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path: root/fs/f2fs/super.c
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Diffstat (limited to 'fs/f2fs/super.c')
-rw-r--r--fs/f2fs/super.c1947
1 files changed, 1439 insertions, 508 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index e4aabfc21bd4..47898dc931ef 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* fs/f2fs/super.c
*
* Copyright (c) 2012 Samsung Electronics Co., Ltd.
* http://www.samsung.com/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/module.h>
#include <linux/init.h>
@@ -26,6 +23,7 @@
#include <linux/f2fs_fs.h>
#include <linux/sysfs.h>
#include <linux/quota.h>
+#include <linux/unicode.h>
#include "f2fs.h"
#include "node.h"
@@ -41,31 +39,39 @@ static struct kmem_cache *f2fs_inode_cachep;
#ifdef CONFIG_F2FS_FAULT_INJECTION
-char *fault_name[FAULT_MAX] = {
+const char *f2fs_fault_name[FAULT_MAX] = {
[FAULT_KMALLOC] = "kmalloc",
+ [FAULT_KVMALLOC] = "kvmalloc",
[FAULT_PAGE_ALLOC] = "page alloc",
+ [FAULT_PAGE_GET] = "page get",
+ [FAULT_ALLOC_BIO] = "alloc bio",
[FAULT_ALLOC_NID] = "alloc nid",
[FAULT_ORPHAN] = "orphan",
[FAULT_BLOCK] = "no more block",
[FAULT_DIR_DEPTH] = "too big dir depth",
[FAULT_EVICT_INODE] = "evict_inode fail",
[FAULT_TRUNCATE] = "truncate fail",
- [FAULT_IO] = "IO error",
+ [FAULT_READ_IO] = "read IO error",
[FAULT_CHECKPOINT] = "checkpoint error",
+ [FAULT_DISCARD] = "discard error",
+ [FAULT_WRITE_IO] = "write IO error",
};
-static void f2fs_build_fault_attr(struct f2fs_sb_info *sbi,
- unsigned int rate)
+void f2fs_build_fault_attr(struct f2fs_sb_info *sbi, unsigned int rate,
+ unsigned int type)
{
- struct f2fs_fault_info *ffi = &sbi->fault_info;
+ struct f2fs_fault_info *ffi = &F2FS_OPTION(sbi).fault_info;
if (rate) {
atomic_set(&ffi->inject_ops, 0);
ffi->inject_rate = rate;
- ffi->inject_type = (1 << FAULT_MAX) - 1;
- } else {
- memset(ffi, 0, sizeof(struct f2fs_fault_info));
}
+
+ if (type)
+ ffi->inject_type = type;
+
+ if (!rate && !type)
+ memset(ffi, 0, sizeof(struct f2fs_fault_info));
}
#endif
@@ -92,6 +98,7 @@ enum {
Opt_disable_ext_identify,
Opt_inline_xattr,
Opt_noinline_xattr,
+ Opt_inline_xattr_size,
Opt_inline_data,
Opt_inline_dentry,
Opt_noinline_dentry,
@@ -103,9 +110,13 @@ enum {
Opt_noextent_cache,
Opt_noinline_data,
Opt_data_flush,
+ Opt_reserve_root,
+ Opt_resgid,
+ Opt_resuid,
Opt_mode,
Opt_io_size_bits,
Opt_fault_injection,
+ Opt_fault_type,
Opt_lazytime,
Opt_nolazytime,
Opt_quota,
@@ -122,6 +133,14 @@ enum {
Opt_jqfmt_vfsold,
Opt_jqfmt_vfsv0,
Opt_jqfmt_vfsv1,
+ Opt_whint,
+ Opt_alloc,
+ Opt_fsync,
+ Opt_test_dummy_encryption,
+ Opt_checkpoint_disable,
+ Opt_checkpoint_disable_cap,
+ Opt_checkpoint_disable_cap_perc,
+ Opt_checkpoint_enable,
Opt_err,
};
@@ -141,6 +160,7 @@ static match_table_t f2fs_tokens = {
{Opt_disable_ext_identify, "disable_ext_identify"},
{Opt_inline_xattr, "inline_xattr"},
{Opt_noinline_xattr, "noinline_xattr"},
+ {Opt_inline_xattr_size, "inline_xattr_size=%u"},
{Opt_inline_data, "inline_data"},
{Opt_inline_dentry, "inline_dentry"},
{Opt_noinline_dentry, "noinline_dentry"},
@@ -152,9 +172,13 @@ static match_table_t f2fs_tokens = {
{Opt_noextent_cache, "noextent_cache"},
{Opt_noinline_data, "noinline_data"},
{Opt_data_flush, "data_flush"},
+ {Opt_reserve_root, "reserve_root=%u"},
+ {Opt_resgid, "resgid=%u"},
+ {Opt_resuid, "resuid=%u"},
{Opt_mode, "mode=%s"},
{Opt_io_size_bits, "io_bits=%u"},
{Opt_fault_injection, "fault_injection=%u"},
+ {Opt_fault_type, "fault_type=%u"},
{Opt_lazytime, "lazytime"},
{Opt_nolazytime, "nolazytime"},
{Opt_quota, "quota"},
@@ -171,21 +195,88 @@ static match_table_t f2fs_tokens = {
{Opt_jqfmt_vfsold, "jqfmt=vfsold"},
{Opt_jqfmt_vfsv0, "jqfmt=vfsv0"},
{Opt_jqfmt_vfsv1, "jqfmt=vfsv1"},
+ {Opt_whint, "whint_mode=%s"},
+ {Opt_alloc, "alloc_mode=%s"},
+ {Opt_fsync, "fsync_mode=%s"},
+ {Opt_test_dummy_encryption, "test_dummy_encryption"},
+ {Opt_checkpoint_disable, "checkpoint=disable"},
+ {Opt_checkpoint_disable_cap, "checkpoint=disable:%u"},
+ {Opt_checkpoint_disable_cap_perc, "checkpoint=disable:%u%%"},
+ {Opt_checkpoint_enable, "checkpoint=enable"},
{Opt_err, NULL},
};
-void f2fs_msg(struct super_block *sb, const char *level, const char *fmt, ...)
+void f2fs_printk(struct f2fs_sb_info *sbi, const char *fmt, ...)
{
struct va_format vaf;
va_list args;
+ int level;
va_start(args, fmt);
- vaf.fmt = fmt;
+
+ level = printk_get_level(fmt);
+ vaf.fmt = printk_skip_level(fmt);
vaf.va = &args;
- printk_ratelimited("%sF2FS-fs (%s): %pV\n", level, sb->s_id, &vaf);
+ printk("%c%cF2FS-fs (%s): %pV\n",
+ KERN_SOH_ASCII, level, sbi->sb->s_id, &vaf);
+
va_end(args);
}
+#ifdef CONFIG_UNICODE
+static const struct f2fs_sb_encodings {
+ __u16 magic;
+ char *name;
+ char *version;
+} f2fs_sb_encoding_map[] = {
+ {F2FS_ENC_UTF8_12_1, "utf8", "12.1.0"},
+};
+
+static int f2fs_sb_read_encoding(const struct f2fs_super_block *sb,
+ const struct f2fs_sb_encodings **encoding,
+ __u16 *flags)
+{
+ __u16 magic = le16_to_cpu(sb->s_encoding);
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(f2fs_sb_encoding_map); i++)
+ if (magic == f2fs_sb_encoding_map[i].magic)
+ break;
+
+ if (i >= ARRAY_SIZE(f2fs_sb_encoding_map))
+ return -EINVAL;
+
+ *encoding = &f2fs_sb_encoding_map[i];
+ *flags = le16_to_cpu(sb->s_encoding_flags);
+
+ return 0;
+}
+#endif
+
+static inline void limit_reserve_root(struct f2fs_sb_info *sbi)
+{
+ block_t limit = min((sbi->user_block_count << 1) / 1000,
+ sbi->user_block_count - sbi->reserved_blocks);
+
+ /* limit is 0.2% */
+ if (test_opt(sbi, RESERVE_ROOT) &&
+ F2FS_OPTION(sbi).root_reserved_blocks > limit) {
+ F2FS_OPTION(sbi).root_reserved_blocks = limit;
+ f2fs_info(sbi, "Reduce reserved blocks for root = %u",
+ F2FS_OPTION(sbi).root_reserved_blocks);
+ }
+ if (!test_opt(sbi, RESERVE_ROOT) &&
+ (!uid_eq(F2FS_OPTION(sbi).s_resuid,
+ make_kuid(&init_user_ns, F2FS_DEF_RESUID)) ||
+ !gid_eq(F2FS_OPTION(sbi).s_resgid,
+ make_kgid(&init_user_ns, F2FS_DEF_RESGID))))
+ f2fs_info(sbi, "Ignore s_resuid=%u, s_resgid=%u w/o reserve_root",
+ from_kuid_munged(&init_user_ns,
+ F2FS_OPTION(sbi).s_resuid),
+ from_kgid_munged(&init_user_ns,
+ F2FS_OPTION(sbi).s_resgid));
+}
+
static void init_once(void *foo)
{
struct f2fs_inode_info *fi = (struct f2fs_inode_info *) foo;
@@ -203,37 +294,37 @@ static int f2fs_set_qf_name(struct super_block *sb, int qtype,
char *qname;
int ret = -EINVAL;
- if (sb_any_quota_loaded(sb) && !sbi->s_qf_names[qtype]) {
- f2fs_msg(sb, KERN_ERR,
- "Cannot change journaled "
- "quota options when quota turned on");
+ if (sb_any_quota_loaded(sb) && !F2FS_OPTION(sbi).s_qf_names[qtype]) {
+ f2fs_err(sbi, "Cannot change journaled quota options when quota turned on");
return -EINVAL;
}
+ if (f2fs_sb_has_quota_ino(sbi)) {
+ f2fs_info(sbi, "QUOTA feature is enabled, so ignore qf_name");
+ return 0;
+ }
+
qname = match_strdup(args);
if (!qname) {
- f2fs_msg(sb, KERN_ERR,
- "Not enough memory for storing quotafile name");
- return -EINVAL;
+ f2fs_err(sbi, "Not enough memory for storing quotafile name");
+ return -ENOMEM;
}
- if (sbi->s_qf_names[qtype]) {
- if (strcmp(sbi->s_qf_names[qtype], qname) == 0)
+ if (F2FS_OPTION(sbi).s_qf_names[qtype]) {
+ if (strcmp(F2FS_OPTION(sbi).s_qf_names[qtype], qname) == 0)
ret = 0;
else
- f2fs_msg(sb, KERN_ERR,
- "%s quota file already specified",
+ f2fs_err(sbi, "%s quota file already specified",
QTYPE2NAME(qtype));
goto errout;
}
if (strchr(qname, '/')) {
- f2fs_msg(sb, KERN_ERR,
- "quotafile must be on filesystem root");
+ f2fs_err(sbi, "quotafile must be on filesystem root");
goto errout;
}
- sbi->s_qf_names[qtype] = qname;
+ F2FS_OPTION(sbi).s_qf_names[qtype] = qname;
set_opt(sbi, QUOTA);
return 0;
errout:
- kfree(qname);
+ kvfree(qname);
return ret;
}
@@ -241,13 +332,12 @@ static int f2fs_clear_qf_name(struct super_block *sb, int qtype)
{
struct f2fs_sb_info *sbi = F2FS_SB(sb);
- if (sb_any_quota_loaded(sb) && sbi->s_qf_names[qtype]) {
- f2fs_msg(sb, KERN_ERR, "Cannot change journaled quota options"
- " when quota turned on");
+ if (sb_any_quota_loaded(sb) && F2FS_OPTION(sbi).s_qf_names[qtype]) {
+ f2fs_err(sbi, "Cannot change journaled quota options when quota turned on");
return -EINVAL;
}
- kfree(sbi->s_qf_names[qtype]);
- sbi->s_qf_names[qtype] = NULL;
+ kvfree(F2FS_OPTION(sbi).s_qf_names[qtype]);
+ F2FS_OPTION(sbi).s_qf_names[qtype] = NULL;
return 0;
}
@@ -258,35 +348,41 @@ static int f2fs_check_quota_options(struct f2fs_sb_info *sbi)
* 'grpquota' mount options are allowed even without quota feature
* to support legacy quotas in quota files.
*/
- if (test_opt(sbi, PRJQUOTA) && !f2fs_sb_has_project_quota(sbi->sb)) {
- f2fs_msg(sbi->sb, KERN_ERR, "Project quota feature not enabled. "
- "Cannot enable project quota enforcement.");
+ if (test_opt(sbi, PRJQUOTA) && !f2fs_sb_has_project_quota(sbi)) {
+ f2fs_err(sbi, "Project quota feature not enabled. Cannot enable project quota enforcement.");
return -1;
}
- if (sbi->s_qf_names[USRQUOTA] || sbi->s_qf_names[GRPQUOTA] ||
- sbi->s_qf_names[PRJQUOTA]) {
- if (test_opt(sbi, USRQUOTA) && sbi->s_qf_names[USRQUOTA])
+ if (F2FS_OPTION(sbi).s_qf_names[USRQUOTA] ||
+ F2FS_OPTION(sbi).s_qf_names[GRPQUOTA] ||
+ F2FS_OPTION(sbi).s_qf_names[PRJQUOTA]) {
+ if (test_opt(sbi, USRQUOTA) &&
+ F2FS_OPTION(sbi).s_qf_names[USRQUOTA])
clear_opt(sbi, USRQUOTA);
- if (test_opt(sbi, GRPQUOTA) && sbi->s_qf_names[GRPQUOTA])
+ if (test_opt(sbi, GRPQUOTA) &&
+ F2FS_OPTION(sbi).s_qf_names[GRPQUOTA])
clear_opt(sbi, GRPQUOTA);
- if (test_opt(sbi, PRJQUOTA) && sbi->s_qf_names[PRJQUOTA])
+ if (test_opt(sbi, PRJQUOTA) &&
+ F2FS_OPTION(sbi).s_qf_names[PRJQUOTA])
clear_opt(sbi, PRJQUOTA);
if (test_opt(sbi, GRPQUOTA) || test_opt(sbi, USRQUOTA) ||
test_opt(sbi, PRJQUOTA)) {
- f2fs_msg(sbi->sb, KERN_ERR, "old and new quota "
- "format mixing");
+ f2fs_err(sbi, "old and new quota format mixing");
return -1;
}
- if (!sbi->s_jquota_fmt) {
- f2fs_msg(sbi->sb, KERN_ERR, "journaled quota format "
- "not specified");
+ if (!F2FS_OPTION(sbi).s_jquota_fmt) {
+ f2fs_err(sbi, "journaled quota format not specified");
return -1;
}
}
+
+ if (f2fs_sb_has_quota_ino(sbi) && F2FS_OPTION(sbi).s_jquota_fmt) {
+ f2fs_info(sbi, "QUOTA feature is enabled, so ignore jquota_fmt");
+ F2FS_OPTION(sbi).s_jquota_fmt = 0;
+ }
return 0;
}
#endif
@@ -294,10 +390,11 @@ static int f2fs_check_quota_options(struct f2fs_sb_info *sbi)
static int parse_options(struct super_block *sb, char *options)
{
struct f2fs_sb_info *sbi = F2FS_SB(sb);
- struct request_queue *q;
substring_t args[MAX_OPT_ARGS];
char *p, *name;
int arg = 0;
+ kuid_t uid;
+ kgid_t gid;
#ifdef CONFIG_QUOTA
int ret;
#endif
@@ -332,10 +429,10 @@ static int parse_options(struct super_block *sb, char *options)
set_opt(sbi, BG_GC);
set_opt(sbi, FORCE_FG_GC);
} else {
- kfree(name);
+ kvfree(name);
return -EINVAL;
}
- kfree(name);
+ kvfree(name);
break;
case Opt_disable_roll_forward:
set_opt(sbi, DISABLE_ROLL_FORWARD);
@@ -347,19 +444,11 @@ static int parse_options(struct super_block *sb, char *options)
return -EINVAL;
break;
case Opt_discard:
- q = bdev_get_queue(sb->s_bdev);
- if (blk_queue_discard(q)) {
- set_opt(sbi, DISCARD);
- } else if (!f2fs_sb_mounted_blkzoned(sb)) {
- f2fs_msg(sb, KERN_WARNING,
- "mounting with \"discard\" option, but "
- "the device does not support discard");
- }
+ set_opt(sbi, DISCARD);
break;
case Opt_nodiscard:
- if (f2fs_sb_mounted_blkzoned(sb)) {
- f2fs_msg(sb, KERN_WARNING,
- "discard is required for zoned block devices");
+ if (f2fs_sb_has_blkzoned(sbi)) {
+ f2fs_warn(sbi, "discard is required for zoned block devices");
return -EINVAL;
}
clear_opt(sbi, DISCARD);
@@ -383,22 +472,24 @@ static int parse_options(struct super_block *sb, char *options)
case Opt_noinline_xattr:
clear_opt(sbi, INLINE_XATTR);
break;
+ case Opt_inline_xattr_size:
+ if (args->from && match_int(args, &arg))
+ return -EINVAL;
+ set_opt(sbi, INLINE_XATTR_SIZE);
+ F2FS_OPTION(sbi).inline_xattr_size = arg;
+ break;
#else
case Opt_user_xattr:
- f2fs_msg(sb, KERN_INFO,
- "user_xattr options not supported");
+ f2fs_info(sbi, "user_xattr options not supported");
break;
case Opt_nouser_xattr:
- f2fs_msg(sb, KERN_INFO,
- "nouser_xattr options not supported");
+ f2fs_info(sbi, "nouser_xattr options not supported");
break;
case Opt_inline_xattr:
- f2fs_msg(sb, KERN_INFO,
- "inline_xattr options not supported");
+ f2fs_info(sbi, "inline_xattr options not supported");
break;
case Opt_noinline_xattr:
- f2fs_msg(sb, KERN_INFO,
- "noinline_xattr options not supported");
+ f2fs_info(sbi, "noinline_xattr options not supported");
break;
#endif
#ifdef CONFIG_F2FS_FS_POSIX_ACL
@@ -410,10 +501,10 @@ static int parse_options(struct super_block *sb, char *options)
break;
#else
case Opt_acl:
- f2fs_msg(sb, KERN_INFO, "acl options not supported");
+ f2fs_info(sbi, "acl options not supported");
break;
case Opt_noacl:
- f2fs_msg(sb, KERN_INFO, "noacl options not supported");
+ f2fs_info(sbi, "noacl options not supported");
break;
#endif
case Opt_active_logs:
@@ -421,7 +512,7 @@ static int parse_options(struct super_block *sb, char *options)
return -EINVAL;
if (arg != 2 && arg != 4 && arg != NR_CURSEG_TYPE)
return -EINVAL;
- sbi->active_logs = arg;
+ F2FS_OPTION(sbi).active_logs = arg;
break;
case Opt_disable_ext_identify:
set_opt(sbi, DISABLE_EXT_IDENTIFY);
@@ -459,6 +550,37 @@ static int parse_options(struct super_block *sb, char *options)
case Opt_data_flush:
set_opt(sbi, DATA_FLUSH);
break;
+ case Opt_reserve_root:
+ if (args->from && match_int(args, &arg))
+ return -EINVAL;
+ if (test_opt(sbi, RESERVE_ROOT)) {
+ f2fs_info(sbi, "Preserve previous reserve_root=%u",
+ F2FS_OPTION(sbi).root_reserved_blocks);
+ } else {
+ F2FS_OPTION(sbi).root_reserved_blocks = arg;
+ set_opt(sbi, RESERVE_ROOT);
+ }
+ break;
+ case Opt_resuid:
+ if (args->from && match_int(args, &arg))
+ return -EINVAL;
+ uid = make_kuid(current_user_ns(), arg);
+ if (!uid_valid(uid)) {
+ f2fs_err(sbi, "Invalid uid value %d", arg);
+ return -EINVAL;
+ }
+ F2FS_OPTION(sbi).s_resuid = uid;
+ break;
+ case Opt_resgid:
+ if (args->from && match_int(args, &arg))
+ return -EINVAL;
+ gid = make_kgid(current_user_ns(), arg);
+ if (!gid_valid(gid)) {
+ f2fs_err(sbi, "Invalid gid value %d", arg);
+ return -EINVAL;
+ }
+ F2FS_OPTION(sbi).s_resgid = gid;
+ break;
case Opt_mode:
name = match_strdup(&args[0]);
@@ -466,11 +588,9 @@ static int parse_options(struct super_block *sb, char *options)
return -ENOMEM;
if (strlen(name) == 8 &&
!strncmp(name, "adaptive", 8)) {
- if (f2fs_sb_mounted_blkzoned(sb)) {
- f2fs_msg(sb, KERN_WARNING,
- "adaptive mode is not allowed with "
- "zoned block device feature");
- kfree(name);
+ if (f2fs_sb_has_blkzoned(sbi)) {
+ f2fs_warn(sbi, "adaptive mode is not allowed with zoned block device feature");
+ kvfree(name);
return -EINVAL;
}
set_opt_mode(sbi, F2FS_MOUNT_ADAPTIVE);
@@ -478,33 +598,44 @@ static int parse_options(struct super_block *sb, char *options)
!strncmp(name, "lfs", 3)) {
set_opt_mode(sbi, F2FS_MOUNT_LFS);
} else {
- kfree(name);
+ kvfree(name);
return -EINVAL;
}
- kfree(name);
+ kvfree(name);
break;
case Opt_io_size_bits:
if (args->from && match_int(args, &arg))
return -EINVAL;
- if (arg > __ilog2_u32(BIO_MAX_PAGES)) {
- f2fs_msg(sb, KERN_WARNING,
- "Not support %d, larger than %d",
- 1 << arg, BIO_MAX_PAGES);
+ if (arg <= 0 || arg > __ilog2_u32(BIO_MAX_PAGES)) {
+ f2fs_warn(sbi, "Not support %d, larger than %d",
+ 1 << arg, BIO_MAX_PAGES);
return -EINVAL;
}
- sbi->write_io_size_bits = arg;
+ F2FS_OPTION(sbi).write_io_size_bits = arg;
break;
+#ifdef CONFIG_F2FS_FAULT_INJECTION
case Opt_fault_injection:
if (args->from && match_int(args, &arg))
return -EINVAL;
-#ifdef CONFIG_F2FS_FAULT_INJECTION
- f2fs_build_fault_attr(sbi, arg);
+ f2fs_build_fault_attr(sbi, arg, F2FS_ALL_FAULT_TYPE);
+ set_opt(sbi, FAULT_INJECTION);
+ break;
+
+ case Opt_fault_type:
+ if (args->from && match_int(args, &arg))
+ return -EINVAL;
+ f2fs_build_fault_attr(sbi, 0, arg);
set_opt(sbi, FAULT_INJECTION);
+ break;
#else
- f2fs_msg(sb, KERN_INFO,
- "FAULT_INJECTION was not selected");
-#endif
+ case Opt_fault_injection:
+ f2fs_info(sbi, "fault_injection options not supported");
+ break;
+
+ case Opt_fault_type:
+ f2fs_info(sbi, "fault_type options not supported");
break;
+#endif
case Opt_lazytime:
sb->s_flags |= MS_LAZYTIME;
break;
@@ -553,13 +684,13 @@ static int parse_options(struct super_block *sb, char *options)
return ret;
break;
case Opt_jqfmt_vfsold:
- sbi->s_jquota_fmt = QFMT_VFS_OLD;
+ F2FS_OPTION(sbi).s_jquota_fmt = QFMT_VFS_OLD;
break;
case Opt_jqfmt_vfsv0:
- sbi->s_jquota_fmt = QFMT_VFS_V0;
+ F2FS_OPTION(sbi).s_jquota_fmt = QFMT_VFS_V0;
break;
case Opt_jqfmt_vfsv1:
- sbi->s_jquota_fmt = QFMT_VFS_V1;
+ F2FS_OPTION(sbi).s_jquota_fmt = QFMT_VFS_V1;
break;
case Opt_noquota:
clear_opt(sbi, QUOTA);
@@ -582,28 +713,170 @@ static int parse_options(struct super_block *sb, char *options)
case Opt_jqfmt_vfsv0:
case Opt_jqfmt_vfsv1:
case Opt_noquota:
- f2fs_msg(sb, KERN_INFO,
- "quota operations not supported");
+ f2fs_info(sbi, "quota operations not supported");
break;
#endif
+ case Opt_whint:
+ name = match_strdup(&args[0]);
+ if (!name)
+ return -ENOMEM;
+ if (strlen(name) == 10 &&
+ !strncmp(name, "user-based", 10)) {
+ F2FS_OPTION(sbi).whint_mode = WHINT_MODE_USER;
+ } else if (strlen(name) == 3 &&
+ !strncmp(name, "off", 3)) {
+ F2FS_OPTION(sbi).whint_mode = WHINT_MODE_OFF;
+ } else if (strlen(name) == 8 &&
+ !strncmp(name, "fs-based", 8)) {
+ F2FS_OPTION(sbi).whint_mode = WHINT_MODE_FS;
+ } else {
+ kvfree(name);
+ return -EINVAL;
+ }
+ kvfree(name);
+ break;
+ case Opt_alloc:
+ name = match_strdup(&args[0]);
+ if (!name)
+ return -ENOMEM;
+
+ if (strlen(name) == 7 &&
+ !strncmp(name, "default", 7)) {
+ F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_DEFAULT;
+ } else if (strlen(name) == 5 &&
+ !strncmp(name, "reuse", 5)) {
+ F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_REUSE;
+ } else {
+ kvfree(name);
+ return -EINVAL;
+ }
+ kvfree(name);
+ break;
+ case Opt_fsync:
+ name = match_strdup(&args[0]);
+ if (!name)
+ return -ENOMEM;
+ if (strlen(name) == 5 &&
+ !strncmp(name, "posix", 5)) {
+ F2FS_OPTION(sbi).fsync_mode = FSYNC_MODE_POSIX;
+ } else if (strlen(name) == 6 &&
+ !strncmp(name, "strict", 6)) {
+ F2FS_OPTION(sbi).fsync_mode = FSYNC_MODE_STRICT;
+ } else if (strlen(name) == 9 &&
+ !strncmp(name, "nobarrier", 9)) {
+ F2FS_OPTION(sbi).fsync_mode =
+ FSYNC_MODE_NOBARRIER;
+ } else {
+ kvfree(name);
+ return -EINVAL;
+ }
+ kvfree(name);
+ break;
+ case Opt_test_dummy_encryption:
+#ifdef CONFIG_FS_ENCRYPTION
+ if (!f2fs_sb_has_encrypt(sbi)) {
+ f2fs_err(sbi, "Encrypt feature is off");
+ return -EINVAL;
+ }
+
+ F2FS_OPTION(sbi).test_dummy_encryption = true;
+ f2fs_info(sbi, "Test dummy encryption mode enabled");
+#else
+ f2fs_info(sbi, "Test dummy encryption mount option ignored");
+#endif
+ break;
+ case Opt_checkpoint_disable_cap_perc:
+ if (args->from && match_int(args, &arg))
+ return -EINVAL;
+ if (arg < 0 || arg > 100)
+ return -EINVAL;
+ if (arg == 100)
+ F2FS_OPTION(sbi).unusable_cap =
+ sbi->user_block_count;
+ else
+ F2FS_OPTION(sbi).unusable_cap =
+ (sbi->user_block_count / 100) * arg;
+ set_opt(sbi, DISABLE_CHECKPOINT);
+ break;
+ case Opt_checkpoint_disable_cap:
+ if (args->from && match_int(args, &arg))
+ return -EINVAL;
+ F2FS_OPTION(sbi).unusable_cap = arg;
+ set_opt(sbi, DISABLE_CHECKPOINT);
+ break;
+ case Opt_checkpoint_disable:
+ set_opt(sbi, DISABLE_CHECKPOINT);
+ break;
+ case Opt_checkpoint_enable:
+ clear_opt(sbi, DISABLE_CHECKPOINT);
+ break;
default:
- f2fs_msg(sb, KERN_ERR,
- "Unrecognized mount option \"%s\" or missing value",
- p);
+ f2fs_err(sbi, "Unrecognized mount option \"%s\" or missing value",
+ p);
return -EINVAL;
}
}
#ifdef CONFIG_QUOTA
if (f2fs_check_quota_options(sbi))
return -EINVAL;
+#else
+ if (f2fs_sb_has_quota_ino(sbi) && !f2fs_readonly(sbi->sb)) {
+ f2fs_info(sbi, "Filesystem with quota feature cannot be mounted RDWR without CONFIG_QUOTA");
+ return -EINVAL;
+ }
+ if (f2fs_sb_has_project_quota(sbi) && !f2fs_readonly(sbi->sb)) {
+ f2fs_err(sbi, "Filesystem with project quota feature cannot be mounted RDWR without CONFIG_QUOTA");
+ return -EINVAL;
+ }
+#endif
+#ifndef CONFIG_UNICODE
+ if (f2fs_sb_has_casefold(sbi)) {
+ f2fs_err(sbi,
+ "Filesystem with casefold feature cannot be mounted without CONFIG_UNICODE");
+ return -EINVAL;
+ }
#endif
if (F2FS_IO_SIZE_BITS(sbi) && !test_opt(sbi, LFS)) {
- f2fs_msg(sb, KERN_ERR,
- "Should set mode=lfs with %uKB-sized IO",
- F2FS_IO_SIZE_KB(sbi));
+ f2fs_err(sbi, "Should set mode=lfs with %uKB-sized IO",
+ F2FS_IO_SIZE_KB(sbi));
+ return -EINVAL;
+ }
+
+ if (test_opt(sbi, INLINE_XATTR_SIZE)) {
+ int min_size, max_size;
+
+ if (!f2fs_sb_has_extra_attr(sbi) ||
+ !f2fs_sb_has_flexible_inline_xattr(sbi)) {
+ f2fs_err(sbi, "extra_attr or flexible_inline_xattr feature is off");
+ return -EINVAL;
+ }
+ if (!test_opt(sbi, INLINE_XATTR)) {
+ f2fs_err(sbi, "inline_xattr_size option should be set with inline_xattr option");
+ return -EINVAL;
+ }
+
+ min_size = sizeof(struct f2fs_xattr_header) / sizeof(__le32);
+ max_size = MAX_INLINE_XATTR_SIZE;
+
+ if (F2FS_OPTION(sbi).inline_xattr_size < min_size ||
+ F2FS_OPTION(sbi).inline_xattr_size > max_size) {
+ f2fs_err(sbi, "inline xattr size is out of range: %d ~ %d",
+ min_size, max_size);
+ return -EINVAL;
+ }
+ }
+
+ if (test_opt(sbi, DISABLE_CHECKPOINT) && test_opt(sbi, LFS)) {
+ f2fs_err(sbi, "LFS not compatible with checkpoint=disable\n");
return -EINVAL;
}
+
+ /* Not pass down write hints if the number of active logs is lesser
+ * than NR_CURSEG_TYPE.
+ */
+ if (F2FS_OPTION(sbi).active_logs != NR_CURSEG_TYPE)
+ F2FS_OPTION(sbi).whint_mode = WHINT_MODE_OFF;
return 0;
}
@@ -618,24 +891,18 @@ static struct inode *f2fs_alloc_inode(struct super_block *sb)
init_once((void *) fi);
/* Initialize f2fs-specific inode info */
- fi->vfs_inode.i_version = 1;
atomic_set(&fi->dirty_pages, 0);
- fi->i_current_depth = 1;
- fi->i_advise = 0;
init_rwsem(&fi->i_sem);
INIT_LIST_HEAD(&fi->dirty_list);
INIT_LIST_HEAD(&fi->gdirty_list);
+ INIT_LIST_HEAD(&fi->inmem_ilist);
INIT_LIST_HEAD(&fi->inmem_pages);
mutex_init(&fi->inmem_lock);
- init_rwsem(&fi->dio_rwsem[READ]);
- init_rwsem(&fi->dio_rwsem[WRITE]);
+ init_rwsem(&fi->i_gc_rwsem[READ]);
+ init_rwsem(&fi->i_gc_rwsem[WRITE]);
init_rwsem(&fi->i_mmap_sem);
init_rwsem(&fi->i_xattr_sem);
-#ifdef CONFIG_QUOTA
- memset(&fi->i_dquot, 0, sizeof(fi->i_dquot));
- fi->i_reserved_quota = 0;
-#endif
/* Will be used by directory only */
fi->i_dir_level = F2FS_SB(sb)->dir_level;
@@ -644,7 +911,21 @@ static struct inode *f2fs_alloc_inode(struct super_block *sb)
static int f2fs_drop_inode(struct inode *inode)
{
+ struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
int ret;
+
+ /*
+ * during filesystem shutdown, if checkpoint is disabled,
+ * drop useless meta/node dirty pages.
+ */
+ if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) {
+ if (inode->i_ino == F2FS_NODE_INO(sbi) ||
+ inode->i_ino == F2FS_META_INO(sbi)) {
+ trace_f2fs_drop_inode(inode, 1);
+ return 1;
+ }
+ }
+
/*
* This is to avoid a deadlock condition like below.
* writeback_single_inode(inode)
@@ -660,7 +941,7 @@ static int f2fs_drop_inode(struct inode *inode)
/* some remained atomic pages should discarded */
if (f2fs_is_atomic_file(inode))
- drop_inmem_pages(inode);
+ f2fs_drop_inmem_pages(inode);
/* should remain fi->extent_tree for writepage */
f2fs_destroy_extent_node(inode);
@@ -668,12 +949,15 @@ static int f2fs_drop_inode(struct inode *inode)
sb_start_intwrite(inode->i_sb);
f2fs_i_size_write(inode, 0);
+ f2fs_submit_merged_write_cond(F2FS_I_SB(inode),
+ inode, NULL, 0, DATA);
+ truncate_inode_pages_final(inode->i_mapping);
+
if (F2FS_HAS_BLOCKS(inode))
f2fs_truncate(inode);
sb_end_intwrite(inode->i_sb);
- fscrypt_put_encryption_info(inode, NULL);
spin_lock(&inode->i_lock);
atomic_dec(&inode->i_count);
}
@@ -681,6 +965,8 @@ static int f2fs_drop_inode(struct inode *inode)
return 0;
}
ret = generic_drop_inode(inode);
+ if (!ret)
+ ret = fscrypt_drop_inode(inode);
trace_f2fs_drop_inode(inode, ret);
return ret;
}
@@ -750,6 +1036,9 @@ static void f2fs_dirty_inode(struct inode *inode, int flags)
static void f2fs_i_callback(struct rcu_head *head)
{
struct inode *inode = container_of(head, struct inode, i_rcu);
+
+ fscrypt_free_inode(inode);
+
kmem_cache_free(f2fs_inode_cachep, F2FS_I(inode));
}
@@ -771,16 +1060,17 @@ static void destroy_device_list(struct f2fs_sb_info *sbi)
for (i = 0; i < sbi->s_ndevs; i++) {
blkdev_put(FDEV(i).bdev, FMODE_EXCL);
#ifdef CONFIG_BLK_DEV_ZONED
- kfree(FDEV(i).blkz_type);
+ kvfree(FDEV(i).blkz_seq);
#endif
}
- kfree(sbi->devs);
+ kvfree(sbi->devs);
}
static void f2fs_put_super(struct super_block *sb)
{
struct f2fs_sb_info *sbi = F2FS_SB(sb);
int i;
+ bool dropped;
f2fs_quota_off_umount(sb);
@@ -792,32 +1082,30 @@ static void f2fs_put_super(struct super_block *sb)
* But, the previous checkpoint was not done by umount, it needs to do
* clean checkpoint again.
*/
- if (is_sbi_flag_set(sbi, SBI_IS_DIRTY) ||
- !is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG)) {
+ if ((is_sbi_flag_set(sbi, SBI_IS_DIRTY) ||
+ !is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG))) {
struct cp_control cpc = {
.reason = CP_UMOUNT,
};
- write_checkpoint(sbi, &cpc);
+ f2fs_write_checkpoint(sbi, &cpc);
}
/* be sure to wait for any on-going discard commands */
- f2fs_wait_discard_bios(sbi, true);
+ dropped = f2fs_issue_discard_timeout(sbi);
- if (f2fs_discard_en(sbi) && !sbi->discard_blks) {
+ if ((f2fs_hw_support_discard(sbi) || f2fs_hw_should_discard(sbi)) &&
+ !sbi->discard_blks && !dropped) {
struct cp_control cpc = {
.reason = CP_UMOUNT | CP_TRIMMED,
};
- write_checkpoint(sbi, &cpc);
+ f2fs_write_checkpoint(sbi, &cpc);
}
- /* write_checkpoint can update stat informaion */
- f2fs_destroy_stats(sbi);
-
/*
* normally superblock is clean, so we need to release this.
* In addition, EIO will skip do checkpoint, we need this as well.
*/
- release_ino_entry(sbi, true);
+ f2fs_release_ino_entry(sbi, true);
f2fs_leave_shrinker(sbi);
mutex_unlock(&sbi->umount_mutex);
@@ -825,32 +1113,48 @@ static void f2fs_put_super(struct super_block *sb)
/* our cp_error case, we can wait for any writeback page */
f2fs_flush_merged_writes(sbi);
+ f2fs_wait_on_all_pages_writeback(sbi);
+
+ f2fs_bug_on(sbi, sbi->fsync_node_num);
+
iput(sbi->node_inode);
+ sbi->node_inode = NULL;
+
iput(sbi->meta_inode);
+ sbi->meta_inode = NULL;
+
+ /*
+ * iput() can update stat information, if f2fs_write_checkpoint()
+ * above failed with error.
+ */
+ f2fs_destroy_stats(sbi);
/* destroy f2fs internal modules */
- destroy_node_manager(sbi);
- destroy_segment_manager(sbi);
+ f2fs_destroy_node_manager(sbi);
+ f2fs_destroy_segment_manager(sbi);
- kfree(sbi->ckpt);
+ kvfree(sbi->ckpt);
f2fs_unregister_sysfs(sbi);
sb->s_fs_info = NULL;
if (sbi->s_chksum_driver)
crypto_free_shash(sbi->s_chksum_driver);
- kfree(sbi->raw_super);
+ kvfree(sbi->raw_super);
destroy_device_list(sbi);
mempool_destroy(sbi->write_io_dummy);
#ifdef CONFIG_QUOTA
for (i = 0; i < MAXQUOTAS; i++)
- kfree(sbi->s_qf_names[i]);
+ kvfree(F2FS_OPTION(sbi).s_qf_names[i]);
#endif
destroy_percpu_info(sbi);
for (i = 0; i < NR_PAGE_TYPE; i++)
- kfree(sbi->write_io[i]);
- kfree(sbi);
+ kvfree(sbi->write_io[i]);
+#ifdef CONFIG_UNICODE
+ utf8_unload(sbi->s_encoding);
+#endif
+ kvfree(sbi);
}
int f2fs_sync_fs(struct super_block *sb, int sync)
@@ -858,6 +1162,11 @@ int f2fs_sync_fs(struct super_block *sb, int sync)
struct f2fs_sb_info *sbi = F2FS_SB(sb);
int err = 0;
+ if (unlikely(f2fs_cp_error(sbi)))
+ return 0;
+ if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED)))
+ return 0;
+
trace_f2fs_sync_fs(sb, sync);
if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING)))
@@ -869,7 +1178,7 @@ int f2fs_sync_fs(struct super_block *sb, int sync)
cpc.reason = __get_cp_reason(sbi);
mutex_lock(&sbi->gc_mutex);
- err = write_checkpoint(sbi, &cpc);
+ err = f2fs_write_checkpoint(sbi, &cpc);
mutex_unlock(&sbi->gc_mutex);
}
f2fs_trace_ios(NULL, 1);
@@ -910,11 +1219,15 @@ static int f2fs_statfs_project(struct super_block *sb,
dquot = dqget(sb, qid);
if (IS_ERR(dquot))
return PTR_ERR(dquot);
- spin_lock(&dq_data_lock);
+ spin_lock(&dquot->dq_dqb_lock);
+
+ limit = 0;
+ if (dquot->dq_dqb.dqb_bsoftlimit)
+ limit = dquot->dq_dqb.dqb_bsoftlimit;
+ if (dquot->dq_dqb.dqb_bhardlimit &&
+ (!limit || dquot->dq_dqb.dqb_bhardlimit < limit))
+ limit = dquot->dq_dqb.dqb_bhardlimit;
- limit = (dquot->dq_dqb.dqb_bsoftlimit ?
- dquot->dq_dqb.dqb_bsoftlimit :
- dquot->dq_dqb.dqb_bhardlimit) >> sb->s_blocksize_bits;
if (limit && buf->f_blocks > limit) {
curblock = dquot->dq_dqb.dqb_curspace >> sb->s_blocksize_bits;
buf->f_blocks = limit;
@@ -923,9 +1236,13 @@ static int f2fs_statfs_project(struct super_block *sb,
(buf->f_blocks - curblock) : 0;
}
- limit = dquot->dq_dqb.dqb_isoftlimit ?
- dquot->dq_dqb.dqb_isoftlimit :
- dquot->dq_dqb.dqb_ihardlimit;
+ limit = 0;
+ if (dquot->dq_dqb.dqb_isoftlimit)
+ limit = dquot->dq_dqb.dqb_isoftlimit;
+ if (dquot->dq_dqb.dqb_ihardlimit &&
+ (!limit || dquot->dq_dqb.dqb_ihardlimit < limit))
+ limit = dquot->dq_dqb.dqb_ihardlimit;
+
if (limit && buf->f_files > limit) {
buf->f_files = limit;
buf->f_ffree =
@@ -933,7 +1250,7 @@ static int f2fs_statfs_project(struct super_block *sb,
(buf->f_files - dquot->dq_dqb.dqb_curinodes) : 0;
}
- spin_unlock(&dq_data_lock);
+ spin_unlock(&dquot->dq_dqb_lock);
dqput(dquot);
return 0;
}
@@ -944,20 +1261,31 @@ static int f2fs_statfs(struct dentry *dentry, struct kstatfs *buf)
struct super_block *sb = dentry->d_sb;
struct f2fs_sb_info *sbi = F2FS_SB(sb);
u64 id = huge_encode_dev(sb->s_bdev->bd_dev);
- block_t total_count, user_block_count, start_count, ovp_count;
+ block_t total_count, user_block_count, start_count;
u64 avail_node_count;
total_count = le64_to_cpu(sbi->raw_super->block_count);
user_block_count = sbi->user_block_count;
start_count = le32_to_cpu(sbi->raw_super->segment0_blkaddr);
- ovp_count = SM_I(sbi)->ovp_segments << sbi->log_blocks_per_seg;
buf->f_type = F2FS_SUPER_MAGIC;
buf->f_bsize = sbi->blocksize;
buf->f_blocks = total_count - start_count;
- buf->f_bfree = user_block_count - valid_user_blocks(sbi) + ovp_count;
- buf->f_bavail = user_block_count - valid_user_blocks(sbi) -
- sbi->reserved_blocks;
+ buf->f_bfree = user_block_count - valid_user_blocks(sbi) -
+ sbi->current_reserved_blocks;
+
+ spin_lock(&sbi->stat_lock);
+ if (unlikely(buf->f_bfree <= sbi->unusable_block_count))
+ buf->f_bfree = 0;
+ else
+ buf->f_bfree -= sbi->unusable_block_count;
+ spin_unlock(&sbi->stat_lock);
+
+ if (buf->f_bfree > F2FS_OPTION(sbi).root_reserved_blocks)
+ buf->f_bavail = buf->f_bfree -
+ F2FS_OPTION(sbi).root_reserved_blocks;
+ else
+ buf->f_bavail = 0;
avail_node_count = sbi->total_node_count - F2FS_RESERVED_NODE_NUM;
@@ -989,10 +1317,10 @@ static inline void f2fs_show_quota_options(struct seq_file *seq,
#ifdef CONFIG_QUOTA
struct f2fs_sb_info *sbi = F2FS_SB(sb);
- if (sbi->s_jquota_fmt) {
+ if (F2FS_OPTION(sbi).s_jquota_fmt) {
char *fmtname = "";
- switch (sbi->s_jquota_fmt) {
+ switch (F2FS_OPTION(sbi).s_jquota_fmt) {
case QFMT_VFS_OLD:
fmtname = "vfsold";
break;
@@ -1006,14 +1334,17 @@ static inline void f2fs_show_quota_options(struct seq_file *seq,
seq_printf(seq, ",jqfmt=%s", fmtname);
}
- if (sbi->s_qf_names[USRQUOTA])
- seq_show_option(seq, "usrjquota", sbi->s_qf_names[USRQUOTA]);
+ if (F2FS_OPTION(sbi).s_qf_names[USRQUOTA])
+ seq_show_option(seq, "usrjquota",
+ F2FS_OPTION(sbi).s_qf_names[USRQUOTA]);
- if (sbi->s_qf_names[GRPQUOTA])
- seq_show_option(seq, "grpjquota", sbi->s_qf_names[GRPQUOTA]);
+ if (F2FS_OPTION(sbi).s_qf_names[GRPQUOTA])
+ seq_show_option(seq, "grpjquota",
+ F2FS_OPTION(sbi).s_qf_names[GRPQUOTA]);
- if (sbi->s_qf_names[PRJQUOTA])
- seq_show_option(seq, "prjjquota", sbi->s_qf_names[PRJQUOTA]);
+ if (F2FS_OPTION(sbi).s_qf_names[PRJQUOTA])
+ seq_show_option(seq, "prjjquota",
+ F2FS_OPTION(sbi).s_qf_names[PRJQUOTA]);
#endif
}
@@ -1033,6 +1364,8 @@ static int f2fs_show_options(struct seq_file *seq, struct dentry *root)
seq_puts(seq, ",disable_roll_forward");
if (test_opt(sbi, DISCARD))
seq_puts(seq, ",discard");
+ else
+ seq_puts(seq, ",nodiscard");
if (test_opt(sbi, NOHEAP))
seq_puts(seq, ",no_heap");
else
@@ -1046,6 +1379,9 @@ static int f2fs_show_options(struct seq_file *seq, struct dentry *root)
seq_puts(seq, ",inline_xattr");
else
seq_puts(seq, ",noinline_xattr");
+ if (test_opt(sbi, INLINE_XATTR_SIZE))
+ seq_printf(seq, ",inline_xattr_size=%u",
+ F2FS_OPTION(sbi).inline_xattr_size);
#endif
#ifdef CONFIG_F2FS_FS_POSIX_ACL
if (test_opt(sbi, POSIX_ACL))
@@ -1081,13 +1417,24 @@ static int f2fs_show_options(struct seq_file *seq, struct dentry *root)
seq_puts(seq, "adaptive");
else if (test_opt(sbi, LFS))
seq_puts(seq, "lfs");
- seq_printf(seq, ",active_logs=%u", sbi->active_logs);
+ seq_printf(seq, ",active_logs=%u", F2FS_OPTION(sbi).active_logs);
+ if (test_opt(sbi, RESERVE_ROOT))
+ seq_printf(seq, ",reserve_root=%u,resuid=%u,resgid=%u",
+ F2FS_OPTION(sbi).root_reserved_blocks,
+ from_kuid_munged(&init_user_ns,
+ F2FS_OPTION(sbi).s_resuid),
+ from_kgid_munged(&init_user_ns,
+ F2FS_OPTION(sbi).s_resgid));
if (F2FS_IO_SIZE_BITS(sbi))
- seq_printf(seq, ",io_size=%uKB", F2FS_IO_SIZE_KB(sbi));
+ seq_printf(seq, ",io_bits=%u",
+ F2FS_OPTION(sbi).write_io_size_bits);
#ifdef CONFIG_F2FS_FAULT_INJECTION
- if (test_opt(sbi, FAULT_INJECTION))
+ if (test_opt(sbi, FAULT_INJECTION)) {
seq_printf(seq, ",fault_injection=%u",
- sbi->fault_info.inject_rate);
+ F2FS_OPTION(sbi).fault_info.inject_rate);
+ seq_printf(seq, ",fault_type=%u",
+ F2FS_OPTION(sbi).fault_info.inject_type);
+ }
#endif
#ifdef CONFIG_QUOTA
if (test_opt(sbi, QUOTA))
@@ -1100,14 +1447,43 @@ static int f2fs_show_options(struct seq_file *seq, struct dentry *root)
seq_puts(seq, ",prjquota");
#endif
f2fs_show_quota_options(seq, sbi->sb);
+ if (F2FS_OPTION(sbi).whint_mode == WHINT_MODE_USER)
+ seq_printf(seq, ",whint_mode=%s", "user-based");
+ else if (F2FS_OPTION(sbi).whint_mode == WHINT_MODE_FS)
+ seq_printf(seq, ",whint_mode=%s", "fs-based");
+#ifdef CONFIG_FS_ENCRYPTION
+ if (F2FS_OPTION(sbi).test_dummy_encryption)
+ seq_puts(seq, ",test_dummy_encryption");
+#endif
+ if (F2FS_OPTION(sbi).alloc_mode == ALLOC_MODE_DEFAULT)
+ seq_printf(seq, ",alloc_mode=%s", "default");
+ else if (F2FS_OPTION(sbi).alloc_mode == ALLOC_MODE_REUSE)
+ seq_printf(seq, ",alloc_mode=%s", "reuse");
+
+ if (test_opt(sbi, DISABLE_CHECKPOINT))
+ seq_printf(seq, ",checkpoint=disable:%u",
+ F2FS_OPTION(sbi).unusable_cap);
+ if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_POSIX)
+ seq_printf(seq, ",fsync_mode=%s", "posix");
+ else if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_STRICT)
+ seq_printf(seq, ",fsync_mode=%s", "strict");
+ else if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_NOBARRIER)
+ seq_printf(seq, ",fsync_mode=%s", "nobarrier");
return 0;
}
static void default_options(struct f2fs_sb_info *sbi)
{
/* init some FS parameters */
- sbi->active_logs = NR_CURSEG_TYPE;
+ F2FS_OPTION(sbi).active_logs = NR_CURSEG_TYPE;
+ F2FS_OPTION(sbi).inline_xattr_size = DEFAULT_INLINE_XATTR_ADDRS;
+ F2FS_OPTION(sbi).whint_mode = WHINT_MODE_OFF;
+ F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_DEFAULT;
+ F2FS_OPTION(sbi).fsync_mode = FSYNC_MODE_POSIX;
+ F2FS_OPTION(sbi).test_dummy_encryption = false;
+ F2FS_OPTION(sbi).s_resuid = make_kuid(&init_user_ns, F2FS_DEF_RESUID);
+ F2FS_OPTION(sbi).s_resgid = make_kgid(&init_user_ns, F2FS_DEF_RESGID);
set_opt(sbi, BG_GC);
set_opt(sbi, INLINE_XATTR);
@@ -1116,13 +1492,14 @@ static void default_options(struct f2fs_sb_info *sbi)
set_opt(sbi, EXTENT_CACHE);
set_opt(sbi, NOHEAP);
sbi->sb->s_flags |= MS_LAZYTIME;
+ clear_opt(sbi, DISABLE_CHECKPOINT);
+ F2FS_OPTION(sbi).unusable_cap = 0;
set_opt(sbi, FLUSH_MERGE);
- if (f2fs_sb_mounted_blkzoned(sbi->sb)) {
+ set_opt(sbi, DISCARD);
+ if (f2fs_sb_has_blkzoned(sbi))
set_opt_mode(sbi, F2FS_MOUNT_LFS);
- set_opt(sbi, DISCARD);
- } else {
+ else
set_opt_mode(sbi, F2FS_MOUNT_ADAPTIVE);
- }
#ifdef CONFIG_F2FS_FS_XATTR
set_opt(sbi, XATTR_USER);
@@ -1131,9 +1508,80 @@ static void default_options(struct f2fs_sb_info *sbi)
set_opt(sbi, POSIX_ACL);
#endif
-#ifdef CONFIG_F2FS_FAULT_INJECTION
- f2fs_build_fault_attr(sbi, 0);
+ f2fs_build_fault_attr(sbi, 0, 0);
+}
+
+#ifdef CONFIG_QUOTA
+static int f2fs_enable_quotas(struct super_block *sb);
#endif
+
+static int f2fs_disable_checkpoint(struct f2fs_sb_info *sbi)
+{
+ unsigned int s_flags = sbi->sb->s_flags;
+ struct cp_control cpc;
+ int err = 0;
+ int ret;
+ block_t unusable;
+
+ if (s_flags & SB_RDONLY) {
+ f2fs_err(sbi, "checkpoint=disable on readonly fs");
+ return -EINVAL;
+ }
+ sbi->sb->s_flags |= SB_ACTIVE;
+
+ f2fs_update_time(sbi, DISABLE_TIME);
+
+ while (!f2fs_time_over(sbi, DISABLE_TIME)) {
+ mutex_lock(&sbi->gc_mutex);
+ err = f2fs_gc(sbi, true, false, NULL_SEGNO);
+ if (err == -ENODATA) {
+ err = 0;
+ break;
+ }
+ if (err && err != -EAGAIN)
+ break;
+ }
+
+ ret = sync_filesystem(sbi->sb);
+ if (ret || err) {
+ err = ret ? ret: err;
+ goto restore_flag;
+ }
+
+ unusable = f2fs_get_unusable_blocks(sbi);
+ if (f2fs_disable_cp_again(sbi, unusable)) {
+ err = -EAGAIN;
+ goto restore_flag;
+ }
+
+ mutex_lock(&sbi->gc_mutex);
+ cpc.reason = CP_PAUSE;
+ set_sbi_flag(sbi, SBI_CP_DISABLED);
+ err = f2fs_write_checkpoint(sbi, &cpc);
+ if (err)
+ goto out_unlock;
+
+ spin_lock(&sbi->stat_lock);
+ sbi->unusable_block_count = unusable;
+ spin_unlock(&sbi->stat_lock);
+
+out_unlock:
+ mutex_unlock(&sbi->gc_mutex);
+restore_flag:
+ sbi->sb->s_flags = s_flags; /* Restore MS_RDONLY status */
+ return err;
+}
+
+static void f2fs_enable_checkpoint(struct f2fs_sb_info *sbi)
+{
+ mutex_lock(&sbi->gc_mutex);
+ f2fs_dirty_to_prefree(sbi);
+
+ clear_sbi_flag(sbi, SBI_CP_DISABLED);
+ set_sbi_flag(sbi, SBI_IS_DIRTY);
+ mutex_unlock(&sbi->gc_mutex);
+
+ f2fs_sync_fs(sbi->sb, 1);
}
static int f2fs_remount(struct super_block *sb, int *flags, char *data)
@@ -1141,16 +1589,14 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
struct f2fs_sb_info *sbi = F2FS_SB(sb);
struct f2fs_mount_info org_mount_opt;
unsigned long old_sb_flags;
- int err, active_logs;
+ int err;
bool need_restart_gc = false;
bool need_stop_gc = false;
bool no_extent_cache = !test_opt(sbi, EXTENT_CACHE);
-#ifdef CONFIG_F2FS_FAULT_INJECTION
- struct f2fs_fault_info ffi = sbi->fault_info;
-#endif
+ bool disable_checkpoint = test_opt(sbi, DISABLE_CHECKPOINT);
+ bool no_io_align = !F2FS_IO_ALIGNED(sbi);
+ bool checkpoint_changed;
#ifdef CONFIG_QUOTA
- int s_jquota_fmt;
- char *s_qf_names[MAXQUOTAS];
int i, j;
#endif
@@ -1160,21 +1606,21 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
*/
org_mount_opt = sbi->mount_opt;
old_sb_flags = sb->s_flags;
- active_logs = sbi->active_logs;
#ifdef CONFIG_QUOTA
- s_jquota_fmt = sbi->s_jquota_fmt;
+ org_mount_opt.s_jquota_fmt = F2FS_OPTION(sbi).s_jquota_fmt;
for (i = 0; i < MAXQUOTAS; i++) {
- if (sbi->s_qf_names[i]) {
- s_qf_names[i] = kstrdup(sbi->s_qf_names[i],
- GFP_KERNEL);
- if (!s_qf_names[i]) {
+ if (F2FS_OPTION(sbi).s_qf_names[i]) {
+ org_mount_opt.s_qf_names[i] =
+ kstrdup(F2FS_OPTION(sbi).s_qf_names[i],
+ GFP_KERNEL);
+ if (!org_mount_opt.s_qf_names[i]) {
for (j = 0; j < i; j++)
- kfree(s_qf_names[j]);
+ kvfree(org_mount_opt.s_qf_names[j]);
return -ENOMEM;
}
} else {
- s_qf_names[i] = NULL;
+ org_mount_opt.s_qf_names[i] = NULL;
}
}
#endif
@@ -1182,8 +1628,8 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
/* recover superblocks we couldn't write due to previous RO mount */
if (!(*flags & MS_RDONLY) && is_sbi_flag_set(sbi, SBI_NEED_SB_WRITE)) {
err = f2fs_commit_super(sbi, false);
- f2fs_msg(sb, KERN_INFO,
- "Try to recover all the superblocks, ret: %d", err);
+ f2fs_info(sbi, "Try to recover all the superblocks, ret: %d",
+ err);
if (!err)
clear_sbi_flag(sbi, SBI_NEED_SB_WRITE);
}
@@ -1194,6 +1640,8 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
err = parse_options(sb, data);
if (err)
goto restore_opts;
+ checkpoint_changed =
+ disable_checkpoint != test_opt(sbi, DISABLE_CHECKPOINT);
/*
* Previous and new state of filesystem is RO,
@@ -1202,21 +1650,39 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
if (f2fs_readonly(sb) && (*flags & MS_RDONLY))
goto skip;
+#ifdef CONFIG_QUOTA
if (!f2fs_readonly(sb) && (*flags & MS_RDONLY)) {
err = dquot_suspend(sb, -1);
if (err < 0)
goto restore_opts;
- } else {
+ } else if (f2fs_readonly(sb) && !(*flags & SB_RDONLY)) {
/* dquot_resume needs RW */
sb->s_flags &= ~MS_RDONLY;
- dquot_resume(sb, -1);
+ if (sb_any_quota_suspended(sb)) {
+ dquot_resume(sb, -1);
+ } else if (f2fs_sb_has_quota_ino(sbi)) {
+ err = f2fs_enable_quotas(sb);
+ if (err)
+ goto restore_opts;
+ }
}
-
+#endif
/* disallow enable/disable extent_cache dynamically */
if (no_extent_cache == !!test_opt(sbi, EXTENT_CACHE)) {
err = -EINVAL;
- f2fs_msg(sbi->sb, KERN_WARNING,
- "switch extent_cache option is not allowed");
+ f2fs_warn(sbi, "switch extent_cache option is not allowed");
+ goto restore_opts;
+ }
+
+ if (no_io_align == !!F2FS_IO_ALIGNED(sbi)) {
+ err = -EINVAL;
+ f2fs_warn(sbi, "switch io_bits option is not allowed");
+ goto restore_opts;
+ }
+
+ if ((*flags & SB_RDONLY) && test_opt(sbi, DISABLE_CHECKPOINT)) {
+ err = -EINVAL;
+ f2fs_warn(sbi, "disabling checkpoint not compatible with read-only");
goto restore_opts;
}
@@ -1227,17 +1693,18 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
*/
if ((*flags & MS_RDONLY) || !test_opt(sbi, BG_GC)) {
if (sbi->gc_thread) {
- stop_gc_thread(sbi);
+ f2fs_stop_gc_thread(sbi);
need_restart_gc = true;
}
} else if (!sbi->gc_thread) {
- err = start_gc_thread(sbi);
+ err = f2fs_start_gc_thread(sbi);
if (err)
goto restore_opts;
need_stop_gc = true;
}
- if (*flags & MS_RDONLY) {
+ if (*flags & MS_RDONLY ||
+ F2FS_OPTION(sbi).whint_mode != org_mount_opt.whint_mode) {
writeback_inodes_sb(sb, WB_REASON_SYNC);
sync_inodes_sb(sb);
@@ -1247,15 +1714,25 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
clear_sbi_flag(sbi, SBI_IS_CLOSE);
}
+ if (checkpoint_changed) {
+ if (test_opt(sbi, DISABLE_CHECKPOINT)) {
+ err = f2fs_disable_checkpoint(sbi);
+ if (err)
+ goto restore_gc;
+ } else {
+ f2fs_enable_checkpoint(sbi);
+ }
+ }
+
/*
* We stop issue flush thread if FS is mounted as RO
* or if flush_merge is not passed in mount option.
*/
if ((*flags & MS_RDONLY) || !test_opt(sbi, FLUSH_MERGE)) {
clear_opt(sbi, FLUSH_MERGE);
- destroy_flush_cmd_control(sbi, false);
+ f2fs_destroy_flush_cmd_control(sbi, false);
} else {
- err = create_flush_cmd_control(sbi);
+ err = f2fs_create_flush_cmd_control(sbi);
if (err)
goto restore_gc;
}
@@ -1263,35 +1740,32 @@ skip:
#ifdef CONFIG_QUOTA
/* Release old quota file names */
for (i = 0; i < MAXQUOTAS; i++)
- kfree(s_qf_names[i]);
+ kvfree(org_mount_opt.s_qf_names[i]);
#endif
/* Update the POSIXACL Flag */
sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
(test_opt(sbi, POSIX_ACL) ? MS_POSIXACL : 0);
+ limit_reserve_root(sbi);
+ *flags = (*flags & ~SB_LAZYTIME) | (sb->s_flags & SB_LAZYTIME);
return 0;
restore_gc:
if (need_restart_gc) {
- if (start_gc_thread(sbi))
- f2fs_msg(sbi->sb, KERN_WARNING,
- "background gc thread has stopped");
+ if (f2fs_start_gc_thread(sbi))
+ f2fs_warn(sbi, "background gc thread has stopped");
} else if (need_stop_gc) {
- stop_gc_thread(sbi);
+ f2fs_stop_gc_thread(sbi);
}
restore_opts:
#ifdef CONFIG_QUOTA
- sbi->s_jquota_fmt = s_jquota_fmt;
+ F2FS_OPTION(sbi).s_jquota_fmt = org_mount_opt.s_jquota_fmt;
for (i = 0; i < MAXQUOTAS; i++) {
- kfree(sbi->s_qf_names[i]);
- sbi->s_qf_names[i] = s_qf_names[i];
+ kvfree(F2FS_OPTION(sbi).s_qf_names[i]);
+ F2FS_OPTION(sbi).s_qf_names[i] = org_mount_opt.s_qf_names[i];
}
#endif
sbi->mount_opt = org_mount_opt;
- sbi->active_logs = active_logs;
sb->s_flags = old_sb_flags;
-#ifdef CONFIG_F2FS_FAULT_INJECTION
- sbi->fault_info = ffi;
-#endif
return err;
}
@@ -1319,9 +1793,15 @@ static ssize_t f2fs_quota_read(struct super_block *sb, int type, char *data,
while (toread > 0) {
tocopy = min_t(unsigned long, sb->s_blocksize - offset, toread);
repeat:
- page = read_mapping_page(mapping, blkidx, NULL);
- if (IS_ERR(page))
+ page = read_cache_page_gfp(mapping, blkidx, GFP_NOFS);
+ if (IS_ERR(page)) {
+ if (PTR_ERR(page) == -ENOMEM) {
+ congestion_wait(BLK_RW_ASYNC, HZ/50);
+ goto repeat;
+ }
+ set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR);
return PTR_ERR(page);
+ }
lock_page(page);
@@ -1331,6 +1811,7 @@ repeat:
}
if (unlikely(!PageUptodate(page))) {
f2fs_put_page(page, 1);
+ set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR);
return -EIO;
}
@@ -1364,11 +1845,17 @@ static ssize_t f2fs_quota_write(struct super_block *sb, int type,
while (towrite > 0) {
tocopy = min_t(unsigned long, sb->s_blocksize - offset,
towrite);
-
+retry:
err = a_ops->write_begin(NULL, mapping, off, tocopy, 0,
&page, NULL);
- if (unlikely(err))
+ if (unlikely(err)) {
+ if (err == -ENOMEM) {
+ congestion_wait(BLK_RW_ASYNC, HZ/50);
+ goto retry;
+ }
+ set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR);
break;
+ }
kaddr = kmap_atomic(page);
memcpy(kaddr + offset, data, tocopy);
@@ -1385,8 +1872,7 @@ static ssize_t f2fs_quota_write(struct super_block *sb, int type,
}
if (len == towrite)
- return 0;
- inode->i_version++;
+ return err;
inode->i_mtime = inode->i_ctime = current_time(inode);
f2fs_mark_inode_dirty_sync(inode, false);
return len - towrite;
@@ -1404,54 +1890,166 @@ static qsize_t *f2fs_get_reserved_space(struct inode *inode)
static int f2fs_quota_on_mount(struct f2fs_sb_info *sbi, int type)
{
- return dquot_quota_on_mount(sbi->sb, sbi->s_qf_names[type],
- sbi->s_jquota_fmt, type);
+ if (is_set_ckpt_flags(sbi, CP_QUOTA_NEED_FSCK_FLAG)) {
+ f2fs_err(sbi, "quota sysfile may be corrupted, skip loading it");
+ return 0;
+ }
+
+ return dquot_quota_on_mount(sbi->sb, F2FS_OPTION(sbi).s_qf_names[type],
+ F2FS_OPTION(sbi).s_jquota_fmt, type);
}
-void f2fs_enable_quota_files(struct f2fs_sb_info *sbi)
+int f2fs_enable_quota_files(struct f2fs_sb_info *sbi, bool rdonly)
{
- int i, ret;
+ int enabled = 0;
+ int i, err;
+
+ if (f2fs_sb_has_quota_ino(sbi) && rdonly) {
+ err = f2fs_enable_quotas(sbi->sb);
+ if (err) {
+ f2fs_err(sbi, "Cannot turn on quota_ino: %d", err);
+ return 0;
+ }
+ return 1;
+ }
for (i = 0; i < MAXQUOTAS; i++) {
- if (sbi->s_qf_names[i]) {
- ret = f2fs_quota_on_mount(sbi, i);
- if (ret < 0)
- f2fs_msg(sbi->sb, KERN_ERR,
- "Cannot turn on journaled "
- "quota: error %d", ret);
+ if (F2FS_OPTION(sbi).s_qf_names[i]) {
+ err = f2fs_quota_on_mount(sbi, i);
+ if (!err) {
+ enabled = 1;
+ continue;
+ }
+ f2fs_err(sbi, "Cannot turn on quotas: %d on %d",
+ err, i);
}
}
+ return enabled;
+}
+
+static int f2fs_quota_enable(struct super_block *sb, int type, int format_id,
+ unsigned int flags)
+{
+ struct inode *qf_inode;
+ unsigned long qf_inum;
+ int err;
+
+ BUG_ON(!f2fs_sb_has_quota_ino(F2FS_SB(sb)));
+
+ qf_inum = f2fs_qf_ino(sb, type);
+ if (!qf_inum)
+ return -EPERM;
+
+ qf_inode = f2fs_iget(sb, qf_inum);
+ if (IS_ERR(qf_inode)) {
+ f2fs_err(F2FS_SB(sb), "Bad quota inode %u:%lu", type, qf_inum);
+ return PTR_ERR(qf_inode);
+ }
+
+ /* Don't account quota for quota files to avoid recursion */
+ qf_inode->i_flags |= S_NOQUOTA;
+ err = dquot_enable(qf_inode, type, format_id, flags);
+ iput(qf_inode);
+ return err;
+}
+
+static int f2fs_enable_quotas(struct super_block *sb)
+{
+ struct f2fs_sb_info *sbi = F2FS_SB(sb);
+ int type, err = 0;
+ unsigned long qf_inum;
+ bool quota_mopt[MAXQUOTAS] = {
+ test_opt(sbi, USRQUOTA),
+ test_opt(sbi, GRPQUOTA),
+ test_opt(sbi, PRJQUOTA),
+ };
+
+ if (is_set_ckpt_flags(F2FS_SB(sb), CP_QUOTA_NEED_FSCK_FLAG)) {
+ f2fs_err(sbi, "quota file may be corrupted, skip loading it");
+ return 0;
+ }
+
+ sb_dqopt(sb)->flags |= DQUOT_QUOTA_SYS_FILE;
+
+ for (type = 0; type < MAXQUOTAS; type++) {
+ qf_inum = f2fs_qf_ino(sb, type);
+ if (qf_inum) {
+ err = f2fs_quota_enable(sb, type, QFMT_VFS_V1,
+ DQUOT_USAGE_ENABLED |
+ (quota_mopt[type] ? DQUOT_LIMITS_ENABLED : 0));
+ if (err) {
+ f2fs_err(sbi, "Failed to enable quota tracking (type=%d, err=%d). Please run fsck to fix.",
+ type, err);
+ for (type--; type >= 0; type--)
+ dquot_quota_off(sb, type);
+ set_sbi_flag(F2FS_SB(sb),
+ SBI_QUOTA_NEED_REPAIR);
+ return err;
+ }
+ }
+ }
+ return 0;
}
-static int f2fs_quota_sync(struct super_block *sb, int type)
+int f2fs_quota_sync(struct super_block *sb, int type)
{
+ struct f2fs_sb_info *sbi = F2FS_SB(sb);
struct quota_info *dqopt = sb_dqopt(sb);
int cnt;
int ret;
+ /*
+ * do_quotactl
+ * f2fs_quota_sync
+ * down_read(quota_sem)
+ * dquot_writeback_dquots()
+ * f2fs_dquot_commit
+ * block_operation
+ * down_read(quota_sem)
+ */
+ f2fs_lock_op(sbi);
+
+ down_read(&sbi->quota_sem);
ret = dquot_writeback_dquots(sb, type);
if (ret)
- return ret;
+ goto out;
/*
* Now when everything is written we can discard the pagecache so
* that userspace sees the changes.
*/
for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
+ struct address_space *mapping;
+
if (type != -1 && cnt != type)
continue;
if (!sb_has_quota_active(sb, cnt))
continue;
- ret = filemap_write_and_wait(dqopt->files[cnt]->i_mapping);
+ mapping = dqopt->files[cnt]->i_mapping;
+
+ ret = filemap_fdatawrite(mapping);
if (ret)
- return ret;
+ goto out;
+
+ /* if we are using journalled quota */
+ if (is_journalled_quota(sbi))
+ continue;
+
+ ret = filemap_fdatawait(mapping);
+ if (ret)
+ set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR);
inode_lock(dqopt->files[cnt]);
truncate_inode_pages(&dqopt->files[cnt]->i_data, 0);
inode_unlock(dqopt->files[cnt]);
}
- return 0;
+out:
+ if (ret)
+ set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR);
+ up_read(&sbi->quota_sem);
+ f2fs_unlock_op(sbi);
+ return ret;
}
static int f2fs_quota_on(struct super_block *sb, int type, int format_id,
@@ -1460,6 +2058,12 @@ static int f2fs_quota_on(struct super_block *sb, int type, int format_id,
struct inode *inode;
int err;
+ /* if quota sysfile exists, deny enabling quota with specific file */
+ if (f2fs_sb_has_quota_ino(F2FS_SB(sb))) {
+ f2fs_err(F2FS_SB(sb), "quota sysfile already exists");
+ return -EBUSY;
+ }
+
err = f2fs_quota_sync(sb, type);
if (err)
return err;
@@ -1471,16 +2075,15 @@ static int f2fs_quota_on(struct super_block *sb, int type, int format_id,
inode = d_inode(path->dentry);
inode_lock(inode);
- F2FS_I(inode)->i_flags |= FS_NOATIME_FL | FS_IMMUTABLE_FL;
- inode_set_flags(inode, S_NOATIME | S_IMMUTABLE,
- S_NOATIME | S_IMMUTABLE);
+ F2FS_I(inode)->i_flags |= F2FS_NOATIME_FL | F2FS_IMMUTABLE_FL;
+ f2fs_set_inode_flags(inode);
inode_unlock(inode);
f2fs_mark_inode_dirty_sync(inode, false);
return 0;
}
-static int f2fs_quota_off(struct super_block *sb, int type)
+static int __f2fs_quota_off(struct super_block *sb, int type)
{
struct inode *inode = sb_dqopt(sb)->files[type];
int err;
@@ -1493,12 +2096,12 @@ static int f2fs_quota_off(struct super_block *sb, int type)
goto out_put;
err = dquot_quota_off(sb, type);
- if (err)
+ if (err || f2fs_sb_has_quota_ino(F2FS_SB(sb)))
goto out_put;
inode_lock(inode);
- F2FS_I(inode)->i_flags &= ~(FS_NOATIME_FL | FS_IMMUTABLE_FL);
- inode_set_flags(inode, 0, S_NOATIME | S_IMMUTABLE);
+ F2FS_I(inode)->i_flags &= ~(F2FS_NOATIME_FL | F2FS_IMMUTABLE_FL);
+ f2fs_set_inode_flags(inode);
inode_unlock(inode);
f2fs_mark_inode_dirty_sync(inode, false);
out_put:
@@ -1506,21 +2109,36 @@ out_put:
return err;
}
+static int f2fs_quota_off(struct super_block *sb, int type)
+{
+ struct f2fs_sb_info *sbi = F2FS_SB(sb);
+ int err;
+
+ err = __f2fs_quota_off(sb, type);
+
+ /*
+ * quotactl can shutdown journalled quota, result in inconsistence
+ * between quota record and fs data by following updates, tag the
+ * flag to let fsck be aware of it.
+ */
+ if (is_journalled_quota(sbi))
+ set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR);
+ return err;
+}
+
void f2fs_quota_off_umount(struct super_block *sb)
{
int type;
int err;
for (type = 0; type < MAXQUOTAS; type++) {
- err = f2fs_quota_off(sb, type);
+ err = __f2fs_quota_off(sb, type);
if (err) {
int ret = dquot_quota_off(sb, type);
- f2fs_msg(sb, KERN_ERR,
- "Fail to turn off disk quota "
- "(type: %d, err: %d, ret:%d), Please "
- "run fsck to fix it.", type, err, ret);
- set_sbi_flag(F2FS_SB(sb), SBI_NEED_FSCK);
+ f2fs_err(F2FS_SB(sb), "Fail to turn off disk quota (type: %d, err: %d, ret:%d), Please run fsck to fix it.",
+ type, err, ret);
+ set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR);
}
}
/*
@@ -1531,7 +2149,88 @@ void f2fs_quota_off_umount(struct super_block *sb)
sync_filesystem(sb);
}
-int f2fs_get_projid(struct inode *inode, kprojid_t *projid)
+static void f2fs_truncate_quota_inode_pages(struct super_block *sb)
+{
+ struct quota_info *dqopt = sb_dqopt(sb);
+ int type;
+
+ for (type = 0; type < MAXQUOTAS; type++) {
+ if (!dqopt->files[type])
+ continue;
+ f2fs_inode_synced(dqopt->files[type]);
+ }
+}
+
+static int f2fs_dquot_commit(struct dquot *dquot)
+{
+ struct f2fs_sb_info *sbi = F2FS_SB(dquot->dq_sb);
+ int ret;
+
+ down_read(&sbi->quota_sem);
+ ret = dquot_commit(dquot);
+ if (ret < 0)
+ set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR);
+ up_read(&sbi->quota_sem);
+ return ret;
+}
+
+static int f2fs_dquot_acquire(struct dquot *dquot)
+{
+ struct f2fs_sb_info *sbi = F2FS_SB(dquot->dq_sb);
+ int ret;
+
+ down_read(&sbi->quota_sem);
+ ret = dquot_acquire(dquot);
+ if (ret < 0)
+ set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR);
+ up_read(&sbi->quota_sem);
+ return ret;
+}
+
+static int f2fs_dquot_release(struct dquot *dquot)
+{
+ struct f2fs_sb_info *sbi = F2FS_SB(dquot->dq_sb);
+ int ret;
+
+ down_read(&sbi->quota_sem);
+ ret = dquot_release(dquot);
+ if (ret < 0)
+ set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR);
+ up_read(&sbi->quota_sem);
+ return ret;
+}
+
+static int f2fs_dquot_mark_dquot_dirty(struct dquot *dquot)
+{
+ struct super_block *sb = dquot->dq_sb;
+ struct f2fs_sb_info *sbi = F2FS_SB(sb);
+ int ret;
+
+ down_read(&sbi->quota_sem);
+ ret = dquot_mark_dquot_dirty(dquot);
+
+ /* if we are using journalled quota */
+ if (is_journalled_quota(sbi))
+ set_sbi_flag(sbi, SBI_QUOTA_NEED_FLUSH);
+
+ up_read(&sbi->quota_sem);
+ return ret;
+}
+
+static int f2fs_dquot_commit_info(struct super_block *sb, int type)
+{
+ struct f2fs_sb_info *sbi = F2FS_SB(sb);
+ int ret;
+
+ down_read(&sbi->quota_sem);
+ ret = dquot_commit_info(sb, type);
+ if (ret < 0)
+ set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR);
+ up_read(&sbi->quota_sem);
+ return ret;
+}
+
+static int f2fs_get_projid(struct inode *inode, kprojid_t *projid)
{
*projid = F2FS_I(inode)->i_projid;
return 0;
@@ -1539,11 +2238,11 @@ int f2fs_get_projid(struct inode *inode, kprojid_t *projid)
static const struct dquot_operations f2fs_quota_operations = {
.get_reserved_space = f2fs_get_reserved_space,
- .write_dquot = dquot_commit,
- .acquire_dquot = dquot_acquire,
- .release_dquot = dquot_release,
- .mark_dirty = dquot_mark_dquot_dirty,
- .write_info = dquot_commit_info,
+ .write_dquot = f2fs_dquot_commit,
+ .acquire_dquot = f2fs_dquot_acquire,
+ .release_dquot = f2fs_dquot_release,
+ .mark_dirty = f2fs_dquot_mark_dquot_dirty,
+ .write_info = f2fs_dquot_commit_info,
.alloc_dquot = dquot_alloc,
.destroy_dquot = dquot_destroy,
.get_projid = f2fs_get_projid,
@@ -1561,6 +2260,11 @@ static const struct quotactl_ops f2fs_quotactl_ops = {
.get_nextdqblk = dquot_get_next_dqblk,
};
#else
+int f2fs_quota_sync(struct super_block *sb, int type)
+{
+ return 0;
+}
+
void f2fs_quota_off_umount(struct super_block *sb)
{
}
@@ -1587,7 +2291,7 @@ static const struct super_operations f2fs_sops = {
.remount_fs = f2fs_remount,
};
-#ifdef CONFIG_F2FS_FS_ENCRYPTION
+#ifdef CONFIG_FS_ENCRYPTION
static int f2fs_get_context(struct inode *inode, void *ctx, size_t len)
{
return f2fs_getxattr(inode, F2FS_XATTR_INDEX_ENCRYPTION,
@@ -1598,28 +2302,35 @@ static int f2fs_get_context(struct inode *inode, void *ctx, size_t len)
static int f2fs_set_context(struct inode *inode, const void *ctx, size_t len,
void *fs_data)
{
+ struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
+
+ /*
+ * Encrypting the root directory is not allowed because fsck
+ * expects lost+found directory to exist and remain unencrypted
+ * if LOST_FOUND feature is enabled.
+ *
+ */
+ if (f2fs_sb_has_lost_found(sbi) &&
+ inode->i_ino == F2FS_ROOT_INO(sbi))
+ return -EPERM;
+
return f2fs_setxattr(inode, F2FS_XATTR_INDEX_ENCRYPTION,
F2FS_XATTR_NAME_ENCRYPTION_CONTEXT,
ctx, len, fs_data, XATTR_CREATE);
}
-static unsigned f2fs_max_namelen(struct inode *inode)
+static bool f2fs_dummy_context(struct inode *inode)
{
- return S_ISLNK(inode->i_mode) ?
- inode->i_sb->s_blocksize : F2FS_NAME_LEN;
+ return DUMMY_ENCRYPTION_ENABLED(F2FS_I_SB(inode));
}
static const struct fscrypt_operations f2fs_cryptops = {
.key_prefix = "f2fs:",
.get_context = f2fs_get_context,
.set_context = f2fs_set_context,
- .is_encrypted = f2fs_encrypted_inode,
+ .dummy_context = f2fs_dummy_context,
.empty_dir = f2fs_empty_dir,
- .max_namelen = f2fs_max_namelen,
-};
-#else
-static const struct fscrypt_operations f2fs_cryptops = {
- .is_encrypted = f2fs_encrypted_inode,
+ .max_namelen = F2FS_NAME_LEN,
};
#endif
@@ -1629,7 +2340,7 @@ static struct inode *f2fs_nfs_get_inode(struct super_block *sb,
struct f2fs_sb_info *sbi = F2FS_SB(sb);
struct inode *inode;
- if (check_nid_range(sbi, ino))
+ if (f2fs_check_nid_range(sbi, ino))
return ERR_PTR(-ESTALE);
/*
@@ -1671,11 +2382,11 @@ static const struct export_operations f2fs_export_ops = {
static loff_t max_file_blocks(void)
{
loff_t result = 0;
- loff_t leaf_count = ADDRS_PER_BLOCK;
+ loff_t leaf_count = DEF_ADDRS_PER_BLOCK;
/*
* note: previously, result is equal to (DEF_ADDRS_PER_INODE -
- * F2FS_INLINE_XATTR_ADDRS), but now f2fs try to reserve more
+ * DEFAULT_INLINE_XATTR_ADDRS), but now f2fs try to reserve more
* space in inode.i_addr, it will be more safe to reassign
* result as zero.
*/
@@ -1700,7 +2411,6 @@ static int __f2fs_commit_super(struct buffer_head *bh,
lock_buffer(bh);
if (super)
memcpy(bh->b_data + F2FS_SUPER_OFFSET, super, sizeof(*super));
- set_buffer_uptodate(bh);
set_buffer_dirty(bh);
unlock_buffer(bh);
@@ -1733,55 +2443,49 @@ static inline bool sanity_check_area_boundary(struct f2fs_sb_info *sbi,
(segment_count << log_blocks_per_seg);
if (segment0_blkaddr != cp_blkaddr) {
- f2fs_msg(sb, KERN_INFO,
- "Mismatch start address, segment0(%u) cp_blkaddr(%u)",
- segment0_blkaddr, cp_blkaddr);
+ f2fs_info(sbi, "Mismatch start address, segment0(%u) cp_blkaddr(%u)",
+ segment0_blkaddr, cp_blkaddr);
return true;
}
if (cp_blkaddr + (segment_count_ckpt << log_blocks_per_seg) !=
sit_blkaddr) {
- f2fs_msg(sb, KERN_INFO,
- "Wrong CP boundary, start(%u) end(%u) blocks(%u)",
- cp_blkaddr, sit_blkaddr,
- segment_count_ckpt << log_blocks_per_seg);
+ f2fs_info(sbi, "Wrong CP boundary, start(%u) end(%u) blocks(%u)",
+ cp_blkaddr, sit_blkaddr,
+ segment_count_ckpt << log_blocks_per_seg);
return true;
}
if (sit_blkaddr + (segment_count_sit << log_blocks_per_seg) !=
nat_blkaddr) {
- f2fs_msg(sb, KERN_INFO,
- "Wrong SIT boundary, start(%u) end(%u) blocks(%u)",
- sit_blkaddr, nat_blkaddr,
- segment_count_sit << log_blocks_per_seg);
+ f2fs_info(sbi, "Wrong SIT boundary, start(%u) end(%u) blocks(%u)",
+ sit_blkaddr, nat_blkaddr,
+ segment_count_sit << log_blocks_per_seg);
return true;
}
if (nat_blkaddr + (segment_count_nat << log_blocks_per_seg) !=
ssa_blkaddr) {
- f2fs_msg(sb, KERN_INFO,
- "Wrong NAT boundary, start(%u) end(%u) blocks(%u)",
- nat_blkaddr, ssa_blkaddr,
- segment_count_nat << log_blocks_per_seg);
+ f2fs_info(sbi, "Wrong NAT boundary, start(%u) end(%u) blocks(%u)",
+ nat_blkaddr, ssa_blkaddr,
+ segment_count_nat << log_blocks_per_seg);
return true;
}
if (ssa_blkaddr + (segment_count_ssa << log_blocks_per_seg) !=
main_blkaddr) {
- f2fs_msg(sb, KERN_INFO,
- "Wrong SSA boundary, start(%u) end(%u) blocks(%u)",
- ssa_blkaddr, main_blkaddr,
- segment_count_ssa << log_blocks_per_seg);
+ f2fs_info(sbi, "Wrong SSA boundary, start(%u) end(%u) blocks(%u)",
+ ssa_blkaddr, main_blkaddr,
+ segment_count_ssa << log_blocks_per_seg);
return true;
}
if (main_end_blkaddr > seg_end_blkaddr) {
- f2fs_msg(sb, KERN_INFO,
- "Wrong MAIN_AREA boundary, start(%u) end(%u) block(%u)",
- main_blkaddr,
- segment0_blkaddr +
- (segment_count << log_blocks_per_seg),
- segment_count_main << log_blocks_per_seg);
+ f2fs_info(sbi, "Wrong MAIN_AREA boundary, start(%u) end(%u) block(%u)",
+ main_blkaddr,
+ segment0_blkaddr +
+ (segment_count << log_blocks_per_seg),
+ segment_count_main << log_blocks_per_seg);
return true;
} else if (main_end_blkaddr < seg_end_blkaddr) {
int err = 0;
@@ -1798,12 +2502,11 @@ static inline bool sanity_check_area_boundary(struct f2fs_sb_info *sbi,
err = __f2fs_commit_super(bh, NULL);
res = err ? "failed" : "done";
}
- f2fs_msg(sb, KERN_INFO,
- "Fix alignment : %s, start(%u) end(%u) block(%u)",
- res, main_blkaddr,
- segment0_blkaddr +
- (segment_count << log_blocks_per_seg),
- segment_count_main << log_blocks_per_seg);
+ f2fs_info(sbi, "Fix alignment : %s, start(%u) end(%u) block(%u)",
+ res, main_blkaddr,
+ segment0_blkaddr +
+ (segment_count << log_blocks_per_seg),
+ segment_count_main << log_blocks_per_seg);
if (err)
return true;
}
@@ -1817,38 +2520,51 @@ static int sanity_check_raw_super(struct f2fs_sb_info *sbi,
block_t total_sections, blocks_per_seg;
struct f2fs_super_block *raw_super = (struct f2fs_super_block *)
(bh->b_data + F2FS_SUPER_OFFSET);
- struct super_block *sb = sbi->sb;
unsigned int blocksize;
+ size_t crc_offset = 0;
+ __u32 crc = 0;
if (le32_to_cpu(raw_super->magic) != F2FS_SUPER_MAGIC) {
- f2fs_msg(sb, KERN_INFO,
- "Magic Mismatch, valid(0x%x) - read(0x%x)",
- F2FS_SUPER_MAGIC, le32_to_cpu(raw_super->magic));
+ f2fs_info(sbi, "Magic Mismatch, valid(0x%x) - read(0x%x)",
+ F2FS_SUPER_MAGIC, le32_to_cpu(raw_super->magic));
return -EINVAL;
}
+ /* Check checksum_offset and crc in superblock */
+ if (__F2FS_HAS_FEATURE(raw_super, F2FS_FEATURE_SB_CHKSUM)) {
+ crc_offset = le32_to_cpu(raw_super->checksum_offset);
+ if (crc_offset !=
+ offsetof(struct f2fs_super_block, crc)) {
+ f2fs_info(sbi, "Invalid SB checksum offset: %zu",
+ crc_offset);
+ return -EFSCORRUPTED;
+ }
+ crc = le32_to_cpu(raw_super->crc);
+ if (!f2fs_crc_valid(sbi, crc, raw_super, crc_offset)) {
+ f2fs_info(sbi, "Invalid SB checksum value: %u", crc);
+ return -EFSCORRUPTED;
+ }
+ }
+
/* Currently, support only 4KB page cache size */
if (F2FS_BLKSIZE != PAGE_SIZE) {
- f2fs_msg(sb, KERN_INFO,
- "Invalid page_cache_size (%lu), supports only 4KB\n",
- PAGE_SIZE);
+ f2fs_info(sbi, "Invalid page_cache_size (%lu), supports only 4KB",
+ PAGE_SIZE);
return -EFSCORRUPTED;
}
/* Currently, support only 4KB block size */
blocksize = 1 << le32_to_cpu(raw_super->log_blocksize);
if (blocksize != F2FS_BLKSIZE) {
- f2fs_msg(sb, KERN_INFO,
- "Invalid blocksize (%u), supports only 4KB\n",
- blocksize);
+ f2fs_info(sbi, "Invalid blocksize (%u), supports only 4KB",
+ blocksize);
return -EFSCORRUPTED;
}
/* check log blocks per segment */
if (le32_to_cpu(raw_super->log_blocks_per_seg) != 9) {
- f2fs_msg(sb, KERN_INFO,
- "Invalid log blocks per segment (%u)\n",
- le32_to_cpu(raw_super->log_blocks_per_seg));
+ f2fs_info(sbi, "Invalid log blocks per segment (%u)",
+ le32_to_cpu(raw_super->log_blocks_per_seg));
return -EFSCORRUPTED;
}
@@ -1857,17 +2573,16 @@ static int sanity_check_raw_super(struct f2fs_sb_info *sbi,
F2FS_MAX_LOG_SECTOR_SIZE ||
le32_to_cpu(raw_super->log_sectorsize) <
F2FS_MIN_LOG_SECTOR_SIZE) {
- f2fs_msg(sb, KERN_INFO, "Invalid log sectorsize (%u)",
- le32_to_cpu(raw_super->log_sectorsize));
+ f2fs_info(sbi, "Invalid log sectorsize (%u)",
+ le32_to_cpu(raw_super->log_sectorsize));
return -EFSCORRUPTED;
}
if (le32_to_cpu(raw_super->log_sectors_per_block) +
le32_to_cpu(raw_super->log_sectorsize) !=
F2FS_MAX_LOG_SECTOR_SIZE) {
- f2fs_msg(sb, KERN_INFO,
- "Invalid log sectors per block(%u) log sectorsize(%u)",
- le32_to_cpu(raw_super->log_sectors_per_block),
- le32_to_cpu(raw_super->log_sectorsize));
+ f2fs_info(sbi, "Invalid log sectors per block(%u) log sectorsize(%u)",
+ le32_to_cpu(raw_super->log_sectors_per_block),
+ le32_to_cpu(raw_super->log_sectorsize));
return -EFSCORRUPTED;
}
@@ -1881,55 +2596,66 @@ static int sanity_check_raw_super(struct f2fs_sb_info *sbi,
if (segment_count > F2FS_MAX_SEGMENT ||
segment_count < F2FS_MIN_SEGMENTS) {
- f2fs_msg(sb, KERN_INFO,
- "Invalid segment count (%u)",
- segment_count);
+ f2fs_info(sbi, "Invalid segment count (%u)", segment_count);
return -EFSCORRUPTED;
}
if (total_sections > segment_count ||
total_sections < F2FS_MIN_SEGMENTS ||
segs_per_sec > segment_count || !segs_per_sec) {
- f2fs_msg(sb, KERN_INFO,
- "Invalid segment/section count (%u, %u x %u)",
- segment_count, total_sections, segs_per_sec);
+ f2fs_info(sbi, "Invalid segment/section count (%u, %u x %u)",
+ segment_count, total_sections, segs_per_sec);
return -EFSCORRUPTED;
}
if ((segment_count / segs_per_sec) < total_sections) {
- f2fs_msg(sb, KERN_INFO,
- "Small segment_count (%u < %u * %u)",
- segment_count, segs_per_sec, total_sections);
+ f2fs_info(sbi, "Small segment_count (%u < %u * %u)",
+ segment_count, segs_per_sec, total_sections);
return -EFSCORRUPTED;
}
if (segment_count > (le64_to_cpu(raw_super->block_count) >> 9)) {
- f2fs_msg(sb, KERN_INFO,
- "Wrong segment_count / block_count (%u > %llu)",
- segment_count, le64_to_cpu(raw_super->block_count));
+ f2fs_info(sbi, "Wrong segment_count / block_count (%u > %llu)",
+ segment_count, le64_to_cpu(raw_super->block_count));
return -EFSCORRUPTED;
}
+ if (RDEV(0).path[0]) {
+ block_t dev_seg_count = le32_to_cpu(RDEV(0).total_segments);
+ int i = 1;
+
+ while (i < MAX_DEVICES && RDEV(i).path[0]) {
+ dev_seg_count += le32_to_cpu(RDEV(i).total_segments);
+ i++;
+ }
+ if (segment_count != dev_seg_count) {
+ f2fs_info(sbi, "Segment count (%u) mismatch with total segments from devices (%u)",
+ segment_count, dev_seg_count);
+ return -EFSCORRUPTED;
+ }
+ }
+
if (secs_per_zone > total_sections || !secs_per_zone) {
- f2fs_msg(sb, KERN_INFO,
- "Wrong secs_per_zone / total_sections (%u, %u)",
- secs_per_zone, total_sections);
+ f2fs_info(sbi, "Wrong secs_per_zone / total_sections (%u, %u)",
+ secs_per_zone, total_sections);
return -EFSCORRUPTED;
}
- if (le32_to_cpu(raw_super->extension_count) > F2FS_MAX_EXTENSION) {
- f2fs_msg(sb, KERN_INFO,
- "Corrupted extension count (%u > %u)",
- le32_to_cpu(raw_super->extension_count),
- F2FS_MAX_EXTENSION);
+ if (le32_to_cpu(raw_super->extension_count) > F2FS_MAX_EXTENSION ||
+ raw_super->hot_ext_count > F2FS_MAX_EXTENSION ||
+ (le32_to_cpu(raw_super->extension_count) +
+ raw_super->hot_ext_count) > F2FS_MAX_EXTENSION) {
+ f2fs_info(sbi, "Corrupted extension count (%u + %u > %u)",
+ le32_to_cpu(raw_super->extension_count),
+ raw_super->hot_ext_count,
+ F2FS_MAX_EXTENSION);
return -EFSCORRUPTED;
}
if (le32_to_cpu(raw_super->cp_payload) >
(blocks_per_seg - F2FS_CP_PACKS)) {
- f2fs_msg(sb, KERN_INFO,
- "Insane cp_payload (%u > %u)",
- le32_to_cpu(raw_super->cp_payload),
- blocks_per_seg - F2FS_CP_PACKS);
+ f2fs_info(sbi, "Insane cp_payload (%u > %u)",
+ le32_to_cpu(raw_super->cp_payload),
+ blocks_per_seg - F2FS_CP_PACKS);
return -EFSCORRUPTED;
}
@@ -1937,11 +2663,10 @@ static int sanity_check_raw_super(struct f2fs_sb_info *sbi,
if (le32_to_cpu(raw_super->node_ino) != 1 ||
le32_to_cpu(raw_super->meta_ino) != 2 ||
le32_to_cpu(raw_super->root_ino) != 3) {
- f2fs_msg(sb, KERN_INFO,
- "Invalid Fs Meta Ino: node(%u) meta(%u) root(%u)",
- le32_to_cpu(raw_super->node_ino),
- le32_to_cpu(raw_super->meta_ino),
- le32_to_cpu(raw_super->root_ino));
+ f2fs_info(sbi, "Invalid Fs Meta Ino: node(%u) meta(%u) root(%u)",
+ le32_to_cpu(raw_super->node_ino),
+ le32_to_cpu(raw_super->meta_ino),
+ le32_to_cpu(raw_super->root_ino));
return -EFSCORRUPTED;
}
@@ -1952,7 +2677,7 @@ static int sanity_check_raw_super(struct f2fs_sb_info *sbi,
return 0;
}
-int sanity_check_ckpt(struct f2fs_sb_info *sbi)
+int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi)
{
unsigned int total, fsmeta;
struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi);
@@ -1964,7 +2689,8 @@ int sanity_check_ckpt(struct f2fs_sb_info *sbi)
unsigned int log_blocks_per_seg;
unsigned int segment_count_main;
unsigned int cp_pack_start_sum, cp_payload;
- block_t user_block_count;
+ block_t user_block_count, valid_user_blocks;
+ block_t avail_node_count, valid_node_count;
int i, j;
total = le32_to_cpu(raw_super->segment_count);
@@ -1984,8 +2710,7 @@ int sanity_check_ckpt(struct f2fs_sb_info *sbi)
if (unlikely(fsmeta < F2FS_MIN_SEGMENTS ||
ovp_segments == 0 || reserved_segments == 0)) {
- f2fs_msg(sbi->sb, KERN_ERR,
- "Wrong layout: check mkfs.f2fs version");
+ f2fs_err(sbi, "Wrong layout: check mkfs.f2fs version");
return 1;
}
@@ -1994,8 +2719,23 @@ int sanity_check_ckpt(struct f2fs_sb_info *sbi)
log_blocks_per_seg = le32_to_cpu(raw_super->log_blocks_per_seg);
if (!user_block_count || user_block_count >=
segment_count_main << log_blocks_per_seg) {
- f2fs_msg(sbi->sb, KERN_ERR,
- "Wrong user_block_count: %u", user_block_count);
+ f2fs_err(sbi, "Wrong user_block_count: %u",
+ user_block_count);
+ return 1;
+ }
+
+ valid_user_blocks = le64_to_cpu(ckpt->valid_block_count);
+ if (valid_user_blocks > user_block_count) {
+ f2fs_err(sbi, "Wrong valid_user_blocks: %u, user_block_count: %u",
+ valid_user_blocks, user_block_count);
+ return 1;
+ }
+
+ valid_node_count = le32_to_cpu(ckpt->valid_node_count);
+ avail_node_count = sbi->total_node_count - F2FS_RESERVED_NODE_NUM;
+ if (valid_node_count > avail_node_count) {
+ f2fs_err(sbi, "Wrong valid_node_count: %u, avail_node_count: %u",
+ valid_node_count, avail_node_count);
return 1;
}
@@ -2009,10 +2749,9 @@ int sanity_check_ckpt(struct f2fs_sb_info *sbi)
for (j = i + 1; j < NR_CURSEG_NODE_TYPE; j++) {
if (le32_to_cpu(ckpt->cur_node_segno[i]) ==
le32_to_cpu(ckpt->cur_node_segno[j])) {
- f2fs_msg(sbi->sb, KERN_ERR,
- "Node segment (%u, %u) has the same "
- "segno: %u", i, j,
- le32_to_cpu(ckpt->cur_node_segno[i]));
+ f2fs_err(sbi, "Node segment (%u, %u) has the same segno: %u",
+ i, j,
+ le32_to_cpu(ckpt->cur_node_segno[i]));
return 1;
}
}
@@ -2024,10 +2763,9 @@ int sanity_check_ckpt(struct f2fs_sb_info *sbi)
for (j = i + 1; j < NR_CURSEG_DATA_TYPE; j++) {
if (le32_to_cpu(ckpt->cur_data_segno[i]) ==
le32_to_cpu(ckpt->cur_data_segno[j])) {
- f2fs_msg(sbi->sb, KERN_ERR,
- "Data segment (%u, %u) has the same "
- "segno: %u", i, j,
- le32_to_cpu(ckpt->cur_data_segno[i]));
+ f2fs_err(sbi, "Data segment (%u, %u) has the same segno: %u",
+ i, j,
+ le32_to_cpu(ckpt->cur_data_segno[i]));
return 1;
}
}
@@ -2036,10 +2774,9 @@ int sanity_check_ckpt(struct f2fs_sb_info *sbi)
for (j = 0; j < NR_CURSEG_DATA_TYPE; j++) {
if (le32_to_cpu(ckpt->cur_node_segno[i]) ==
le32_to_cpu(ckpt->cur_data_segno[j])) {
- f2fs_msg(sbi->sb, KERN_ERR,
- "Node segment (%u) and Data segment (%u)"
- " has the same segno: %u", i, j,
- le32_to_cpu(ckpt->cur_node_segno[i]));
+ f2fs_err(sbi, "Node segment (%u) and Data segment (%u) has the same segno: %u",
+ i, j,
+ le32_to_cpu(ckpt->cur_node_segno[i]));
return 1;
}
}
@@ -2050,9 +2787,8 @@ int sanity_check_ckpt(struct f2fs_sb_info *sbi)
if (sit_bitmap_size != ((sit_segs / 2) << log_blocks_per_seg) / 8 ||
nat_bitmap_size != ((nat_segs / 2) << log_blocks_per_seg) / 8) {
- f2fs_msg(sbi->sb, KERN_ERR,
- "Wrong bitmap size: sit: %u, nat:%u",
- sit_bitmap_size, nat_bitmap_size);
+ f2fs_err(sbi, "Wrong bitmap size: sit: %u, nat:%u",
+ sit_bitmap_size, nat_bitmap_size);
return 1;
}
@@ -2061,14 +2797,22 @@ int sanity_check_ckpt(struct f2fs_sb_info *sbi)
if (cp_pack_start_sum < cp_payload + 1 ||
cp_pack_start_sum > blocks_per_seg - 1 -
NR_CURSEG_TYPE) {
- f2fs_msg(sbi->sb, KERN_ERR,
- "Wrong cp_pack_start_sum: %u",
- cp_pack_start_sum);
+ f2fs_err(sbi, "Wrong cp_pack_start_sum: %u",
+ cp_pack_start_sum);
+ return 1;
+ }
+
+ if (__is_set_ckpt_flags(ckpt, CP_LARGE_NAT_BITMAP_FLAG) &&
+ le32_to_cpu(ckpt->checksum_offset) != CP_MIN_CHKSUM_OFFSET) {
+ f2fs_warn(sbi, "using deprecated layout of large_nat_bitmap, "
+ "please run fsck v1.13.0 or higher to repair, chksum_offset: %u, "
+ "fixed with patch: \"f2fs-tools: relocate chksum_offset for large_nat_bitmap feature\"",
+ le32_to_cpu(ckpt->checksum_offset));
return 1;
}
if (unlikely(f2fs_cp_error(sbi))) {
- f2fs_msg(sbi->sb, KERN_ERR, "A bug case: need to run fsck");
+ f2fs_err(sbi, "A bug case: need to run fsck");
return 1;
}
return 0;
@@ -2077,7 +2821,7 @@ int sanity_check_ckpt(struct f2fs_sb_info *sbi)
static void init_sb_info(struct f2fs_sb_info *sbi)
{
struct f2fs_super_block *raw_super = sbi->raw_super;
- int i, j;
+ int i;
sbi->log_sectors_per_block =
le32_to_cpu(raw_super->log_sectors_per_block);
@@ -2095,24 +2839,37 @@ static void init_sb_info(struct f2fs_sb_info *sbi)
sbi->node_ino_num = le32_to_cpu(raw_super->node_ino);
sbi->meta_ino_num = le32_to_cpu(raw_super->meta_ino);
sbi->cur_victim_sec = NULL_SECNO;
+ sbi->next_victim_seg[BG_GC] = NULL_SEGNO;
+ sbi->next_victim_seg[FG_GC] = NULL_SEGNO;
sbi->max_victim_search = DEF_MAX_VICTIM_SEARCH;
+ sbi->migration_granularity = sbi->segs_per_sec;
sbi->dir_level = DEF_DIR_LEVEL;
sbi->interval_time[CP_TIME] = DEF_CP_INTERVAL;
sbi->interval_time[REQ_TIME] = DEF_IDLE_INTERVAL;
+ sbi->interval_time[DISCARD_TIME] = DEF_IDLE_INTERVAL;
+ sbi->interval_time[GC_TIME] = DEF_IDLE_INTERVAL;
+ sbi->interval_time[DISABLE_TIME] = DEF_DISABLE_INTERVAL;
+ sbi->interval_time[UMOUNT_DISCARD_TIMEOUT] =
+ DEF_UMOUNT_DISCARD_TIMEOUT;
clear_sbi_flag(sbi, SBI_NEED_FSCK);
for (i = 0; i < NR_COUNT_TYPE; i++)
atomic_set(&sbi->nr_pages[i], 0);
- atomic_set(&sbi->wb_sync_req, 0);
+ for (i = 0; i < META; i++)
+ atomic_set(&sbi->wb_sync_req[i], 0);
INIT_LIST_HEAD(&sbi->s_list);
mutex_init(&sbi->umount_mutex);
- for (i = 0; i < NR_PAGE_TYPE - 1; i++)
- for (j = HOT; j < NR_TEMP_TYPE; j++)
- mutex_init(&sbi->wio_mutex[i][j]);
+ init_rwsem(&sbi->io_order_lock);
spin_lock_init(&sbi->cp_lock);
+
+ sbi->dirty_device = 0;
+ spin_lock_init(&sbi->dev_lock);
+
+ init_rwsem(&sbi->sb_lock);
+ init_rwsem(&sbi->pin_sem);
}
static int init_percpu_info(struct f2fs_sb_info *sbi)
@@ -2142,7 +2899,7 @@ static int init_blkz_info(struct f2fs_sb_info *sbi, int devi)
unsigned int n = 0;
int err = -EIO;
- if (!f2fs_sb_mounted_blkzoned(sbi->sb))
+ if (!f2fs_sb_has_blkzoned(sbi))
return 0;
if (sbi->blocks_per_blkz && sbi->blocks_per_blkz !=
@@ -2158,14 +2915,19 @@ static int init_blkz_info(struct f2fs_sb_info *sbi, int devi)
if (nr_sectors & (bdev_zone_sectors(bdev) - 1))
FDEV(devi).nr_blkz++;
- FDEV(devi).blkz_type = kmalloc(FDEV(devi).nr_blkz, GFP_KERNEL);
- if (!FDEV(devi).blkz_type)
+ FDEV(devi).blkz_seq = f2fs_kzalloc(sbi,
+ BITS_TO_LONGS(FDEV(devi).nr_blkz)
+ * sizeof(unsigned long),
+ GFP_KERNEL);
+ if (!FDEV(devi).blkz_seq)
return -ENOMEM;
#define F2FS_REPORT_NR_ZONES 4096
- zones = kcalloc(F2FS_REPORT_NR_ZONES, sizeof(struct blk_zone),
- GFP_KERNEL);
+ zones = f2fs_kzalloc(sbi,
+ array_size(F2FS_REPORT_NR_ZONES,
+ sizeof(struct blk_zone)),
+ GFP_KERNEL);
if (!zones)
return -ENOMEM;
@@ -2184,13 +2946,14 @@ static int init_blkz_info(struct f2fs_sb_info *sbi, int devi)
}
for (i = 0; i < nr_zones; i++) {
- FDEV(devi).blkz_type[n] = zones[i].type;
+ if (zones[i].type != BLK_ZONE_TYPE_CONVENTIONAL)
+ set_bit(n, FDEV(devi).blkz_seq);
sector += zones[i].len;
n++;
}
}
- kfree(zones);
+ kvfree(zones);
return err;
}
@@ -2219,19 +2982,20 @@ static int read_raw_super_block(struct f2fs_sb_info *sbi,
for (block = 0; block < 2; block++) {
bh = sb_bread(sb, block);
if (!bh) {
- f2fs_msg(sb, KERN_ERR, "Unable to read %dth superblock",
- block + 1);
+ f2fs_err(sbi, "Unable to read %dth superblock",
+ block + 1);
err = -EIO;
+ *recovery = 1;
continue;
}
/* sanity checking of raw super */
err = sanity_check_raw_super(sbi, bh);
if (err) {
- f2fs_msg(sb, KERN_ERR,
- "Can't find valid F2FS filesystem in %dth superblock",
- block + 1);
+ f2fs_err(sbi, "Can't find valid F2FS filesystem in %dth superblock",
+ block + 1);
brelse(bh);
+ *recovery = 1;
continue;
}
@@ -2244,13 +3008,9 @@ static int read_raw_super_block(struct f2fs_sb_info *sbi,
brelse(bh);
}
- /* Fail to read any one of the superblocks*/
- if (err < 0)
- *recovery = 1;
-
/* No valid superblock */
if (!*raw_super)
- kfree(super);
+ kvfree(super);
else
err = 0;
@@ -2260,6 +3020,7 @@ static int read_raw_super_block(struct f2fs_sb_info *sbi,
int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover)
{
struct buffer_head *bh;
+ __u32 crc = 0;
int err;
if ((recover && f2fs_readonly(sbi->sb)) ||
@@ -2268,8 +3029,15 @@ int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover)
return -EROFS;
}
+ /* we should update superblock crc here */
+ if (!recover && f2fs_sb_has_sb_chksum(sbi)) {
+ crc = f2fs_crc32(sbi, F2FS_RAW_SUPER(sbi),
+ offsetof(struct f2fs_super_block, crc));
+ F2FS_RAW_SUPER(sbi)->crc = cpu_to_le32(crc);
+ }
+
/* write back-up superblock first */
- bh = sb_getblk(sbi->sb, sbi->valid_super_block ? 0: 1);
+ bh = sb_bread(sbi->sb, sbi->valid_super_block ? 0 : 1);
if (!bh)
return -EIO;
err = __f2fs_commit_super(bh, F2FS_RAW_SUPER(sbi));
@@ -2280,7 +3048,7 @@ int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover)
return err;
/* write current valid superblock */
- bh = sb_getblk(sbi->sb, sbi->valid_super_block);
+ bh = sb_bread(sbi->sb, sbi->valid_super_block);
if (!bh)
return -EIO;
err = __f2fs_commit_super(bh, F2FS_RAW_SUPER(sbi));
@@ -2305,8 +3073,10 @@ static int f2fs_scan_devices(struct f2fs_sb_info *sbi)
* Initialize multiple devices information, or single
* zoned block device information.
*/
- sbi->devs = kcalloc(max_devices, sizeof(struct f2fs_dev_info),
- GFP_KERNEL);
+ sbi->devs = f2fs_kzalloc(sbi,
+ array_size(max_devices,
+ sizeof(struct f2fs_dev_info)),
+ GFP_KERNEL);
if (!sbi->devs)
return -ENOMEM;
@@ -2348,50 +3118,108 @@ static int f2fs_scan_devices(struct f2fs_sb_info *sbi)
#ifdef CONFIG_BLK_DEV_ZONED
if (bdev_zoned_model(FDEV(i).bdev) == BLK_ZONED_HM &&
- !f2fs_sb_mounted_blkzoned(sbi->sb)) {
- f2fs_msg(sbi->sb, KERN_ERR,
- "Zoned block device feature not enabled\n");
+ !f2fs_sb_has_blkzoned(sbi)) {
+ f2fs_err(sbi, "Zoned block device feature not enabled\n");
return -EINVAL;
}
if (bdev_zoned_model(FDEV(i).bdev) != BLK_ZONED_NONE) {
if (init_blkz_info(sbi, i)) {
- f2fs_msg(sbi->sb, KERN_ERR,
- "Failed to initialize F2FS blkzone information");
+ f2fs_err(sbi, "Failed to initialize F2FS blkzone information");
return -EINVAL;
}
if (max_devices == 1)
break;
- f2fs_msg(sbi->sb, KERN_INFO,
- "Mount Device [%2d]: %20s, %8u, %8x - %8x (zone: %s)",
- i, FDEV(i).path,
- FDEV(i).total_segments,
- FDEV(i).start_blk, FDEV(i).end_blk,
- bdev_zoned_model(FDEV(i).bdev) == BLK_ZONED_HA ?
- "Host-aware" : "Host-managed");
+ f2fs_info(sbi, "Mount Device [%2d]: %20s, %8u, %8x - %8x (zone: %s)",
+ i, FDEV(i).path,
+ FDEV(i).total_segments,
+ FDEV(i).start_blk, FDEV(i).end_blk,
+ bdev_zoned_model(FDEV(i).bdev) == BLK_ZONED_HA ?
+ "Host-aware" : "Host-managed");
continue;
}
#endif
- f2fs_msg(sbi->sb, KERN_INFO,
- "Mount Device [%2d]: %20s, %8u, %8x - %8x",
- i, FDEV(i).path,
- FDEV(i).total_segments,
- FDEV(i).start_blk, FDEV(i).end_blk);
- }
- f2fs_msg(sbi->sb, KERN_INFO,
- "IO Block Size: %8d KB", F2FS_IO_SIZE_KB(sbi));
+ f2fs_info(sbi, "Mount Device [%2d]: %20s, %8u, %8x - %8x",
+ i, FDEV(i).path,
+ FDEV(i).total_segments,
+ FDEV(i).start_blk, FDEV(i).end_blk);
+ }
+ f2fs_info(sbi,
+ "IO Block Size: %8d KB", F2FS_IO_SIZE_KB(sbi));
return 0;
}
+static int f2fs_setup_casefold(struct f2fs_sb_info *sbi)
+{
+#ifdef CONFIG_UNICODE
+ if (f2fs_sb_has_casefold(sbi) && !sbi->s_encoding) {
+ const struct f2fs_sb_encodings *encoding_info;
+ struct unicode_map *encoding;
+ __u16 encoding_flags;
+
+ if (f2fs_sb_has_encrypt(sbi)) {
+ f2fs_err(sbi,
+ "Can't mount with encoding and encryption");
+ return -EINVAL;
+ }
+
+ if (f2fs_sb_read_encoding(sbi->raw_super, &encoding_info,
+ &encoding_flags)) {
+ f2fs_err(sbi,
+ "Encoding requested by superblock is unknown");
+ return -EINVAL;
+ }
+
+ encoding = utf8_load(encoding_info->version);
+ if (IS_ERR(encoding)) {
+ f2fs_err(sbi,
+ "can't mount with superblock charset: %s-%s "
+ "not supported by the kernel. flags: 0x%x.",
+ encoding_info->name, encoding_info->version,
+ encoding_flags);
+ return PTR_ERR(encoding);
+ }
+ f2fs_info(sbi, "Using encoding defined by superblock: "
+ "%s-%s with flags 0x%hx", encoding_info->name,
+ encoding_info->version?:"\b", encoding_flags);
+
+ sbi->s_encoding = encoding;
+ sbi->s_encoding_flags = encoding_flags;
+ sbi->sb->s_d_op = &f2fs_dentry_ops;
+ }
+#else
+ if (f2fs_sb_has_casefold(sbi)) {
+ f2fs_err(sbi, "Filesystem with casefold feature cannot be mounted without CONFIG_UNICODE");
+ return -EINVAL;
+ }
+#endif
+ return 0;
+}
+
+static void f2fs_tuning_parameters(struct f2fs_sb_info *sbi)
+{
+ struct f2fs_sm_info *sm_i = SM_I(sbi);
+
+ /* adjust parameters according to the volume size */
+ if (sm_i->main_segments <= SMALL_VOLUME_SEGMENTS) {
+ F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_REUSE;
+ sm_i->dcc_info->discard_granularity = 1;
+ sm_i->ipu_policy = 1 << F2FS_IPU_FORCE;
+ }
+
+ sbi->readdir_ra = 1;
+}
+
static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
{
struct f2fs_sb_info *sbi;
struct f2fs_super_block *raw_super;
struct inode *root;
int err;
- bool retry = true, need_fsck = false;
+ bool skip_recovery = false, need_fsck = false;
char *options = NULL;
int recovery, i, valid_super_block;
struct curseg_info *seg_i;
+ int retry_cnt = 1;
try_onemore:
err = -EINVAL;
@@ -2409,7 +3237,7 @@ try_onemore:
/* Load the checksum driver */
sbi->s_chksum_driver = crypto_alloc_shash("crc32", 0, 0);
if (IS_ERR(sbi->s_chksum_driver)) {
- f2fs_msg(sb, KERN_ERR, "Cannot load crc32 driver.");
+ f2fs_err(sbi, "Cannot load crc32 driver.");
err = PTR_ERR(sbi->s_chksum_driver);
sbi->s_chksum_driver = NULL;
goto free_sbi;
@@ -2417,7 +3245,7 @@ try_onemore:
/* set a block size */
if (unlikely(!sb_set_blocksize(sb, F2FS_BLKSIZE))) {
- f2fs_msg(sb, KERN_ERR, "unable to set blocksize");
+ f2fs_err(sbi, "unable to set blocksize");
goto free_sbi;
}
@@ -2430,7 +3258,7 @@ try_onemore:
sbi->raw_super = raw_super;
/* precompute checksum seed for metadata */
- if (f2fs_sb_has_inode_chksum(sb))
+ if (f2fs_sb_has_inode_chksum(sbi))
sbi->s_chksum_seed = f2fs_chksum(sbi, ~0, raw_super->uuid,
sizeof(raw_super->uuid));
@@ -2440,9 +3268,8 @@ try_onemore:
* devices, but mandatory for host-managed zoned block devices.
*/
#ifndef CONFIG_BLK_DEV_ZONED
- if (f2fs_sb_mounted_blkzoned(sb)) {
- f2fs_msg(sb, KERN_ERR,
- "Zoned block device support is not enabled\n");
+ if (f2fs_sb_has_blkzoned(sbi)) {
+ f2fs_err(sbi, "Zoned block device support is not enabled");
err = -EOPNOTSUPP;
goto free_sb_buf;
}
@@ -2463,16 +3290,31 @@ try_onemore:
sb->s_maxbytes = sbi->max_file_blocks <<
le32_to_cpu(raw_super->log_blocksize);
sb->s_max_links = F2FS_LINK_MAX;
- get_random_bytes(&sbi->s_next_generation, sizeof(u32));
+
+ err = f2fs_setup_casefold(sbi);
+ if (err)
+ goto free_options;
#ifdef CONFIG_QUOTA
sb->dq_op = &f2fs_quota_operations;
sb->s_qcop = &f2fs_quotactl_ops;
sb->s_quota_types = QTYPE_MASK_USR | QTYPE_MASK_GRP | QTYPE_MASK_PRJ;
+
+ if (f2fs_sb_has_quota_ino(sbi)) {
+ for (i = 0; i < MAXQUOTAS; i++) {
+ if (f2fs_qf_ino(sbi->sb, i))
+ sbi->nquota_files++;
+ }
+ }
#endif
sb->s_op = &f2fs_sops;
+#ifdef CONFIG_FS_ENCRYPTION
sb->s_cop = &f2fs_cryptops;
+#endif
+#ifdef CONFIG_FS_VERITY
+ sb->s_vop = &f2fs_verityops;
+#endif
sb->s_xattr = f2fs_xattr_handlers;
sb->s_export_op = &f2fs_export_ops;
sb->s_magic = F2FS_SUPER_MAGIC;
@@ -2480,11 +3322,14 @@ try_onemore:
sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
(test_opt(sbi, POSIX_ACL) ? MS_POSIXACL : 0);
memcpy(&sb->s_uuid, raw_super->uuid, sizeof(raw_super->uuid));
+ sb->s_iflags |= SB_I_CGROUPWB;
/* init f2fs-specific super block info */
sbi->valid_super_block = valid_super_block;
mutex_init(&sbi->gc_mutex);
+ mutex_init(&sbi->writepages);
mutex_init(&sbi->cp_mutex);
+ mutex_init(&sbi->resize_mutex);
init_rwsem(&sbi->node_write);
init_rwsem(&sbi->node_change);
@@ -2500,11 +3345,14 @@ try_onemore:
int n = (i == META) ? 1: NR_TEMP_TYPE;
int j;
- sbi->write_io[i] = kmalloc(n * sizeof(struct f2fs_bio_info),
- GFP_KERNEL);
+ sbi->write_io[i] =
+ f2fs_kmalloc(sbi,
+ array_size(n,
+ sizeof(struct f2fs_bio_info)),
+ GFP_KERNEL);
if (!sbi->write_io[i]) {
err = -ENOMEM;
- goto free_options;
+ goto free_bio_info;
}
for (j = HOT; j < n; j++) {
@@ -2513,44 +3361,57 @@ try_onemore:
sbi->write_io[i][j].bio = NULL;
spin_lock_init(&sbi->write_io[i][j].io_lock);
INIT_LIST_HEAD(&sbi->write_io[i][j].io_list);
+ INIT_LIST_HEAD(&sbi->write_io[i][j].bio_list);
+ init_rwsem(&sbi->write_io[i][j].bio_list_lock);
}
}
init_rwsem(&sbi->cp_rwsem);
+ init_rwsem(&sbi->quota_sem);
init_waitqueue_head(&sbi->cp_wait);
init_sb_info(sbi);
err = init_percpu_info(sbi);
if (err)
- goto free_options;
+ goto free_bio_info;
- if (F2FS_IO_SIZE(sbi) > 1) {
+ if (F2FS_IO_ALIGNED(sbi)) {
sbi->write_io_dummy =
mempool_create_page_pool(2 * (F2FS_IO_SIZE(sbi) - 1), 0);
if (!sbi->write_io_dummy) {
err = -ENOMEM;
- goto free_options;
+ goto free_percpu;
}
}
/* get an inode for meta space */
sbi->meta_inode = f2fs_iget(sb, F2FS_META_INO(sbi));
if (IS_ERR(sbi->meta_inode)) {
- f2fs_msg(sb, KERN_ERR, "Failed to read F2FS meta data inode");
+ f2fs_err(sbi, "Failed to read F2FS meta data inode");
err = PTR_ERR(sbi->meta_inode);
goto free_io_dummy;
}
- err = get_valid_checkpoint(sbi);
+ err = f2fs_get_valid_checkpoint(sbi);
if (err) {
- f2fs_msg(sb, KERN_ERR, "Failed to get valid F2FS checkpoint");
+ f2fs_err(sbi, "Failed to get valid F2FS checkpoint");
goto free_meta_inode;
}
+ if (__is_set_ckpt_flags(F2FS_CKPT(sbi), CP_QUOTA_NEED_FSCK_FLAG))
+ set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR);
+ if (__is_set_ckpt_flags(F2FS_CKPT(sbi), CP_DISABLED_QUICK_FLAG)) {
+ set_sbi_flag(sbi, SBI_CP_DISABLED_QUICK);
+ sbi->interval_time[DISABLE_TIME] = DEF_DISABLE_QUICK_INTERVAL;
+ }
+
+ if (__is_set_ckpt_flags(F2FS_CKPT(sbi), CP_FSCK_FLAG))
+ set_sbi_flag(sbi, SBI_NEED_FSCK);
+
/* Initialize device list */
err = f2fs_scan_devices(sbi);
if (err) {
- f2fs_msg(sb, KERN_ERR, "Failed to find devices");
+ f2fs_err(sbi, "Failed to find devices");
goto free_devices;
}
@@ -2563,27 +3424,32 @@ try_onemore:
le64_to_cpu(sbi->ckpt->valid_block_count);
sbi->last_valid_block_count = sbi->total_valid_block_count;
sbi->reserved_blocks = 0;
+ sbi->current_reserved_blocks = 0;
+ limit_reserve_root(sbi);
for (i = 0; i < NR_INODE_TYPE; i++) {
INIT_LIST_HEAD(&sbi->inode_list[i]);
spin_lock_init(&sbi->inode_lock[i]);
}
+ mutex_init(&sbi->flush_lock);
+
+ f2fs_init_extent_cache_info(sbi);
- init_extent_cache_info(sbi);
+ f2fs_init_ino_entry_info(sbi);
- init_ino_entry_info(sbi);
+ f2fs_init_fsync_node_info(sbi);
/* setup f2fs internal modules */
- err = build_segment_manager(sbi);
+ err = f2fs_build_segment_manager(sbi);
if (err) {
- f2fs_msg(sb, KERN_ERR,
- "Failed to initialize F2FS segment manager");
+ f2fs_err(sbi, "Failed to initialize F2FS segment manager (%d)",
+ err);
goto free_sm;
}
- err = build_node_manager(sbi);
+ err = f2fs_build_node_manager(sbi);
if (err) {
- f2fs_msg(sb, KERN_ERR,
- "Failed to initialize F2FS node manager");
+ f2fs_err(sbi, "Failed to initialize F2FS node manager (%d)",
+ err);
goto free_nm;
}
@@ -2598,30 +3464,29 @@ try_onemore:
sbi->kbytes_written =
le64_to_cpu(seg_i->journal->info.kbytes_written);
- build_gc_manager(sbi);
+ f2fs_build_gc_manager(sbi);
+
+ err = f2fs_build_stats(sbi);
+ if (err)
+ goto free_nm;
/* get an inode for node space */
sbi->node_inode = f2fs_iget(sb, F2FS_NODE_INO(sbi));
if (IS_ERR(sbi->node_inode)) {
- f2fs_msg(sb, KERN_ERR, "Failed to read node inode");
+ f2fs_err(sbi, "Failed to read node inode");
err = PTR_ERR(sbi->node_inode);
- goto free_nm;
+ goto free_stats;
}
- f2fs_join_shrinker(sbi);
-
- err = f2fs_build_stats(sbi);
- if (err)
- goto free_nm;
-
/* read root inode and dentry */
root = f2fs_iget(sb, F2FS_ROOT_INO(sbi));
if (IS_ERR(root)) {
- f2fs_msg(sb, KERN_ERR, "Failed to read root inode");
+ f2fs_err(sbi, "Failed to read root inode");
err = PTR_ERR(root);
goto free_node_inode;
}
- if (!S_ISDIR(root->i_mode) || !root->i_blocks || !root->i_size) {
+ if (!S_ISDIR(root->i_mode) || !root->i_blocks ||
+ !root->i_size || !root->i_nlink) {
iput(root);
err = -EINVAL;
goto free_node_inode;
@@ -2630,17 +3495,28 @@ try_onemore:
sb->s_root = d_make_root(root); /* allocate root dentry */
if (!sb->s_root) {
err = -ENOMEM;
- goto free_root_inode;
+ goto free_node_inode;
}
err = f2fs_register_sysfs(sbi);
if (err)
goto free_root_inode;
+#ifdef CONFIG_QUOTA
+ /* Enable quota usage during mount */
+ if (f2fs_sb_has_quota_ino(sbi) && !f2fs_readonly(sb)) {
+ err = f2fs_enable_quotas(sb);
+ if (err)
+ f2fs_err(sbi, "Cannot turn on quotas: error %d", err);
+ }
+#endif
/* if there are nt orphan nodes free them */
- err = recover_orphan_inodes(sbi);
+ err = f2fs_recover_orphan_inodes(sbi);
if (err)
- goto free_sysfs;
+ goto free_meta;
+
+ if (unlikely(is_set_ckpt_flags(sbi, CP_DISABLED_FLAG)))
+ goto reset_checkpoint;
/* recover fsynced data */
if (!test_opt(sbi, DISABLE_ROLL_FORWARD)) {
@@ -2648,118 +3524,151 @@ try_onemore:
* mount should be failed, when device has readonly mode, and
* previous checkpoint was not done by clean system shutdown.
*/
- if (bdev_read_only(sb->s_bdev) &&
- !is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG)) {
- err = -EROFS;
- goto free_meta;
+ if (f2fs_hw_is_readonly(sbi)) {
+ if (!is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG)) {
+ err = -EROFS;
+ f2fs_err(sbi, "Need to recover fsync data, but write access unavailable");
+ goto free_meta;
+ }
+ f2fs_info(sbi, "write access unavailable, skipping recovery");
+ goto reset_checkpoint;
}
if (need_fsck)
set_sbi_flag(sbi, SBI_NEED_FSCK);
- if (!retry)
- goto skip_recovery;
+ if (skip_recovery)
+ goto reset_checkpoint;
- err = recover_fsync_data(sbi, false);
+ err = f2fs_recover_fsync_data(sbi, false);
if (err < 0) {
+ if (err != -ENOMEM)
+ skip_recovery = true;
need_fsck = true;
- f2fs_msg(sb, KERN_ERR,
- "Cannot recover all fsync data errno=%d", err);
+ f2fs_err(sbi, "Cannot recover all fsync data errno=%d",
+ err);
goto free_meta;
}
} else {
- err = recover_fsync_data(sbi, true);
+ err = f2fs_recover_fsync_data(sbi, true);
if (!f2fs_readonly(sb) && err > 0) {
err = -EINVAL;
- f2fs_msg(sb, KERN_ERR,
- "Need to recover fsync data");
- goto free_sysfs;
+ f2fs_err(sbi, "Need to recover fsync data");
+ goto free_meta;
}
}
-skip_recovery:
- /* recover_fsync_data() cleared this already */
+reset_checkpoint:
+ /* f2fs_recover_fsync_data() cleared this already */
clear_sbi_flag(sbi, SBI_POR_DOING);
+ if (test_opt(sbi, DISABLE_CHECKPOINT)) {
+ err = f2fs_disable_checkpoint(sbi);
+ if (err)
+ goto sync_free_meta;
+ } else if (is_set_ckpt_flags(sbi, CP_DISABLED_FLAG)) {
+ f2fs_enable_checkpoint(sbi);
+ }
+
/*
* If filesystem is not mounted as read-only then
* do start the gc_thread.
*/
if (test_opt(sbi, BG_GC) && !f2fs_readonly(sb)) {
/* After POR, we can run background GC thread.*/
- err = start_gc_thread(sbi);
+ err = f2fs_start_gc_thread(sbi);
if (err)
- goto free_meta;
+ goto sync_free_meta;
}
- kfree(options);
+ kvfree(options);
/* recover broken superblock */
if (recovery) {
err = f2fs_commit_super(sbi, true);
- f2fs_msg(sb, KERN_INFO,
- "Try to recover %dth superblock, ret: %d",
- sbi->valid_super_block ? 1 : 2, err);
+ f2fs_info(sbi, "Try to recover %dth superblock, ret: %d",
+ sbi->valid_super_block ? 1 : 2, err);
}
- f2fs_msg(sbi->sb, KERN_NOTICE, "Mounted with checkpoint version = %llx",
- cur_cp_version(F2FS_CKPT(sbi)));
+ f2fs_join_shrinker(sbi);
+
+ f2fs_tuning_parameters(sbi);
+
+ f2fs_notice(sbi, "Mounted with checkpoint version = %llx",
+ cur_cp_version(F2FS_CKPT(sbi)));
f2fs_update_time(sbi, CP_TIME);
f2fs_update_time(sbi, REQ_TIME);
+ clear_sbi_flag(sbi, SBI_CP_DISABLED_QUICK);
return 0;
+sync_free_meta:
+ /* safe to flush all the data */
+ sync_filesystem(sbi->sb);
+ retry_cnt = 0;
+
free_meta:
- f2fs_sync_inode_meta(sbi);
+#ifdef CONFIG_QUOTA
+ f2fs_truncate_quota_inode_pages(sb);
+ if (f2fs_sb_has_quota_ino(sbi) && !f2fs_readonly(sb))
+ f2fs_quota_off_umount(sbi->sb);
+#endif
/*
- * Some dirty meta pages can be produced by recover_orphan_inodes()
+ * Some dirty meta pages can be produced by f2fs_recover_orphan_inodes()
* failed by EIO. Then, iput(node_inode) can trigger balance_fs_bg()
- * followed by write_checkpoint() through f2fs_write_node_pages(), which
- * falls into an infinite loop in sync_meta_pages().
+ * followed by f2fs_write_checkpoint() through f2fs_write_node_pages(), which
+ * falls into an infinite loop in f2fs_sync_meta_pages().
*/
truncate_inode_pages_final(META_MAPPING(sbi));
-free_sysfs:
+ /* evict some inodes being cached by GC */
+ evict_inodes(sb);
f2fs_unregister_sysfs(sbi);
free_root_inode:
dput(sb->s_root);
sb->s_root = NULL;
free_node_inode:
+ f2fs_release_ino_entry(sbi, true);
truncate_inode_pages_final(NODE_MAPPING(sbi));
- mutex_lock(&sbi->umount_mutex);
- release_ino_entry(sbi, true);
- f2fs_leave_shrinker(sbi);
iput(sbi->node_inode);
- mutex_unlock(&sbi->umount_mutex);
+ sbi->node_inode = NULL;
+free_stats:
f2fs_destroy_stats(sbi);
free_nm:
- destroy_node_manager(sbi);
+ f2fs_destroy_node_manager(sbi);
free_sm:
- destroy_segment_manager(sbi);
+ f2fs_destroy_segment_manager(sbi);
free_devices:
destroy_device_list(sbi);
- kfree(sbi->ckpt);
+ kvfree(sbi->ckpt);
free_meta_inode:
make_bad_inode(sbi->meta_inode);
iput(sbi->meta_inode);
+ sbi->meta_inode = NULL;
free_io_dummy:
mempool_destroy(sbi->write_io_dummy);
-free_options:
- for (i = 0; i < NR_PAGE_TYPE; i++)
- kfree(sbi->write_io[i]);
+free_percpu:
destroy_percpu_info(sbi);
+free_bio_info:
+ for (i = 0; i < NR_PAGE_TYPE; i++)
+ kvfree(sbi->write_io[i]);
+
+#ifdef CONFIG_UNICODE
+ utf8_unload(sbi->s_encoding);
+#endif
+free_options:
#ifdef CONFIG_QUOTA
for (i = 0; i < MAXQUOTAS; i++)
- kfree(sbi->s_qf_names[i]);
+ kvfree(F2FS_OPTION(sbi).s_qf_names[i]);
#endif
- kfree(options);
+ kvfree(options);
free_sb_buf:
- kfree(raw_super);
+ kvfree(raw_super);
free_sbi:
if (sbi->s_chksum_driver)
crypto_free_shash(sbi->s_chksum_driver);
- kfree(sbi);
+ kvfree(sbi);
/* give only one another chance */
- if (retry) {
- retry = false;
+ if (retry_cnt > 0 && skip_recovery) {
+ retry_cnt--;
shrink_dcache_sb(sb);
goto try_onemore;
}
@@ -2775,9 +3684,22 @@ static struct dentry *f2fs_mount(struct file_system_type *fs_type, int flags,
static void kill_f2fs_super(struct super_block *sb)
{
if (sb->s_root) {
- set_sbi_flag(F2FS_SB(sb), SBI_IS_CLOSE);
- stop_gc_thread(F2FS_SB(sb));
- stop_discard_thread(F2FS_SB(sb));
+ struct f2fs_sb_info *sbi = F2FS_SB(sb);
+
+ set_sbi_flag(sbi, SBI_IS_CLOSE);
+ f2fs_stop_gc_thread(sbi);
+ f2fs_stop_discard_thread(sbi);
+
+ if (is_sbi_flag_set(sbi, SBI_IS_DIRTY) ||
+ !is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG)) {
+ struct cp_control cpc = {
+ .reason = CP_UMOUNT,
+ };
+ f2fs_write_checkpoint(sbi, &cpc);
+ }
+
+ if (is_sbi_flag_set(sbi, SBI_IS_RECOVERED) && f2fs_readonly(sb))
+ sb->s_flags &= ~SB_RDONLY;
}
kill_block_super(sb);
}
@@ -2826,16 +3748,16 @@ static int __init init_f2fs_fs(void)
err = init_inodecache();
if (err)
goto fail;
- err = create_node_manager_caches();
+ err = f2fs_create_node_manager_caches();
if (err)
goto free_inodecache;
- err = create_segment_manager_caches();
+ err = f2fs_create_segment_manager_caches();
if (err)
goto free_node_manager_caches;
- err = create_checkpoint_caches();
+ err = f2fs_create_checkpoint_caches();
if (err)
goto free_segment_manager_caches;
- err = create_extent_cache();
+ err = f2fs_create_extent_cache();
if (err)
goto free_checkpoint_caches;
err = f2fs_init_sysfs();
@@ -2847,25 +3769,32 @@ static int __init init_f2fs_fs(void)
err = register_filesystem(&f2fs_fs_type);
if (err)
goto free_shrinker;
- err = f2fs_create_root_stats();
+ f2fs_create_root_stats();
+ err = f2fs_init_post_read_processing();
+ if (err)
+ goto free_root_stats;
+ err = f2fs_init_bio_entry_cache();
if (err)
- goto free_filesystem;
+ goto free_post_read;
return 0;
-free_filesystem:
+free_post_read:
+ f2fs_destroy_post_read_processing();
+free_root_stats:
+ f2fs_destroy_root_stats();
unregister_filesystem(&f2fs_fs_type);
free_shrinker:
unregister_shrinker(&f2fs_shrinker_info);
free_sysfs:
f2fs_exit_sysfs();
free_extent_cache:
- destroy_extent_cache();
+ f2fs_destroy_extent_cache();
free_checkpoint_caches:
- destroy_checkpoint_caches();
+ f2fs_destroy_checkpoint_caches();
free_segment_manager_caches:
- destroy_segment_manager_caches();
+ f2fs_destroy_segment_manager_caches();
free_node_manager_caches:
- destroy_node_manager_caches();
+ f2fs_destroy_node_manager_caches();
free_inodecache:
destroy_inodecache();
fail:
@@ -2874,14 +3803,16 @@ fail:
static void __exit exit_f2fs_fs(void)
{
+ f2fs_destroy_bio_entry_cache();
+ f2fs_destroy_post_read_processing();
f2fs_destroy_root_stats();
unregister_filesystem(&f2fs_fs_type);
unregister_shrinker(&f2fs_shrinker_info);
f2fs_exit_sysfs();
- destroy_extent_cache();
- destroy_checkpoint_caches();
- destroy_segment_manager_caches();
- destroy_node_manager_caches();
+ f2fs_destroy_extent_cache();
+ f2fs_destroy_checkpoint_caches();
+ f2fs_destroy_segment_manager_caches();
+ f2fs_destroy_node_manager_caches();
destroy_inodecache();
f2fs_destroy_trace_ios();
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-18 09:15:52 +0000