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Diffstat (limited to 'fs/f2fs/file.c')
-rw-r--r--fs/f2fs/file.c1469
1 files changed, 1043 insertions, 426 deletions
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index a90173b856f6..f2e7337375e5 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* fs/f2fs/file.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/fs.h>
#include <linux/f2fs_fs.h>
@@ -32,6 +29,7 @@
#include "gc.h"
#include "trace.h"
#include <trace/events/f2fs.h>
+#include <trace/events/android_fs.h>
static int f2fs_filemap_fault(struct vm_fault *vmf)
{
@@ -42,6 +40,8 @@ static int f2fs_filemap_fault(struct vm_fault *vmf)
err = filemap_fault(vmf);
up_read(&F2FS_I(inode)->i_mmap_sem);
+ trace_f2fs_filemap_fault(inode, vmf->pgoff, (unsigned long)err);
+
return err;
}
@@ -50,25 +50,22 @@ static int f2fs_vm_page_mkwrite(struct vm_fault *vmf)
struct page *page = vmf->page;
struct inode *inode = file_inode(vmf->vma->vm_file);
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
- struct dnode_of_data dn;
+ struct dnode_of_data dn = { .node_changed = false };
int err;
- sb_start_pagefault(inode->i_sb);
-
- f2fs_bug_on(sbi, f2fs_has_inline_data(inode));
+ if (unlikely(f2fs_cp_error(sbi))) {
+ err = -EIO;
+ goto err;
+ }
- /* block allocation */
- f2fs_lock_op(sbi);
- set_new_dnode(&dn, inode, NULL, NULL, 0);
- err = f2fs_reserve_block(&dn, page->index);
- if (err) {
- f2fs_unlock_op(sbi);
- goto out;
+ if (!f2fs_is_checkpoint_ready(sbi)) {
+ err = -ENOSPC;
+ goto err;
}
- f2fs_put_dnode(&dn);
- f2fs_unlock_op(sbi);
- f2fs_balance_fs(sbi, dn.node_changed);
+ sb_start_pagefault(inode->i_sb);
+
+ f2fs_bug_on(sbi, f2fs_has_inline_data(inode));
file_update_time(vmf->vma->vm_file);
down_read(&F2FS_I(inode)->i_mmap_sem);
@@ -81,16 +78,34 @@ static int f2fs_vm_page_mkwrite(struct vm_fault *vmf)
goto out_sem;
}
+ /* block allocation */
+ __do_map_lock(sbi, F2FS_GET_BLOCK_PRE_AIO, true);
+ set_new_dnode(&dn, inode, NULL, NULL, 0);
+ err = f2fs_get_block(&dn, page->index);
+ f2fs_put_dnode(&dn);
+ __do_map_lock(sbi, F2FS_GET_BLOCK_PRE_AIO, false);
+ if (err) {
+ unlock_page(page);
+ goto out_sem;
+ }
+
+ /* fill the page */
+ f2fs_wait_on_page_writeback(page, DATA, false, true);
+
+ /* wait for GCed page writeback via META_MAPPING */
+ f2fs_wait_on_block_writeback(inode, dn.data_blkaddr);
+
/*
* check to see if the page is mapped already (no holes)
*/
if (PageMappedToDisk(page))
- goto mapped;
+ goto out_sem;
/* page is wholly or partially inside EOF */
if (((loff_t)(page->index + 1) << PAGE_SHIFT) >
i_size_read(inode)) {
- unsigned offset;
+ loff_t offset;
+
offset = i_size_read(inode) & ~PAGE_MASK;
zero_user_segment(page, offset, PAGE_SIZE);
}
@@ -99,21 +114,16 @@ static int f2fs_vm_page_mkwrite(struct vm_fault *vmf)
SetPageUptodate(page);
f2fs_update_iostat(sbi, APP_MAPPED_IO, F2FS_BLKSIZE);
+ f2fs_update_time(sbi, REQ_TIME);
trace_f2fs_vm_page_mkwrite(page, DATA);
-mapped:
- /* fill the page */
- f2fs_wait_on_page_writeback(page, DATA, false);
-
- /* wait for GCed encrypted page writeback */
- if (f2fs_encrypted_file(inode))
- f2fs_wait_on_block_writeback(sbi, dn.data_blkaddr);
-
out_sem:
up_read(&F2FS_I(inode)->i_mmap_sem);
-out:
+
+ f2fs_balance_fs(sbi, dn.node_changed);
+
sb_end_pagefault(inode->i_sb);
- f2fs_update_time(sbi, REQ_TIME);
+err:
return block_page_mkwrite_return(err);
}
@@ -138,27 +148,34 @@ static int get_parent_ino(struct inode *inode, nid_t *pino)
return 1;
}
-static inline bool need_do_checkpoint(struct inode *inode)
+static inline enum cp_reason_type need_do_checkpoint(struct inode *inode)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
- bool need_cp = false;
+ enum cp_reason_type cp_reason = CP_NO_NEEDED;
- if (!S_ISREG(inode->i_mode) || inode->i_nlink != 1)
- need_cp = true;
+ if (!S_ISREG(inode->i_mode))
+ cp_reason = CP_NON_REGULAR;
+ else if (inode->i_nlink != 1)
+ cp_reason = CP_HARDLINK;
else if (is_sbi_flag_set(sbi, SBI_NEED_CP))
- need_cp = true;
+ cp_reason = CP_SB_NEED_CP;
else if (file_wrong_pino(inode))
- need_cp = true;
- else if (!space_for_roll_forward(sbi))
- need_cp = true;
- else if (!is_checkpointed_node(sbi, F2FS_I(inode)->i_pino))
- need_cp = true;
+ cp_reason = CP_WRONG_PINO;
+ else if (!f2fs_space_for_roll_forward(sbi))
+ cp_reason = CP_NO_SPC_ROLL;
+ else if (!f2fs_is_checkpointed_node(sbi, F2FS_I(inode)->i_pino))
+ cp_reason = CP_NODE_NEED_CP;
else if (test_opt(sbi, FASTBOOT))
- need_cp = true;
- else if (sbi->active_logs == 2)
- need_cp = true;
+ cp_reason = CP_FASTBOOT_MODE;
+ else if (F2FS_OPTION(sbi).active_logs == 2)
+ cp_reason = CP_SPEC_LOG_NUM;
+ else if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_STRICT &&
+ f2fs_need_dentry_mark(sbi, inode->i_ino) &&
+ f2fs_exist_written_data(sbi, F2FS_I(inode)->i_pino,
+ TRANS_DIR_INO))
+ cp_reason = CP_RECOVER_DIR;
- return need_cp;
+ return cp_reason;
}
static bool need_inode_page_update(struct f2fs_sb_info *sbi, nid_t ino)
@@ -166,7 +183,7 @@ static bool need_inode_page_update(struct f2fs_sb_info *sbi, nid_t ino)
struct page *i = find_get_page(NODE_MAPPING(sbi), ino);
bool ret = false;
/* But we need to avoid that there are some inode updates */
- if ((i && PageDirty(i)) || need_inode_block_update(sbi, ino))
+ if ((i && PageDirty(i)) || f2fs_need_inode_block_update(sbi, ino))
ret = true;
f2fs_put_page(i, 0);
return ret;
@@ -193,18 +210,29 @@ static int f2fs_do_sync_file(struct file *file, loff_t start, loff_t end,
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
nid_t ino = inode->i_ino;
int ret = 0;
- bool need_cp = false;
+ enum cp_reason_type cp_reason = 0;
struct writeback_control wbc = {
.sync_mode = WB_SYNC_ALL,
.nr_to_write = LONG_MAX,
.for_reclaim = 0,
};
+ unsigned int seq_id = 0;
- if (unlikely(f2fs_readonly(inode->i_sb)))
+ if (unlikely(f2fs_readonly(inode->i_sb) ||
+ is_sbi_flag_set(sbi, SBI_CP_DISABLED)))
return 0;
trace_f2fs_sync_file_enter(inode);
+ if (trace_android_fs_fsync_start_enabled()) {
+ char *path, pathbuf[MAX_TRACE_PATHBUF_LEN];
+
+ path = android_fstrace_get_pathname(pathbuf,
+ MAX_TRACE_PATHBUF_LEN, inode);
+ trace_android_fs_fsync_start(inode,
+ current->pid, path, current->comm);
+ }
+
if (S_ISDIR(inode->i_mode))
goto go_write;
@@ -215,7 +243,7 @@ static int f2fs_do_sync_file(struct file *file, loff_t start, loff_t end,
clear_inode_flag(inode, FI_NEED_IPU);
if (ret) {
- trace_f2fs_sync_file_exit(inode, need_cp, datasync, ret);
+ trace_f2fs_sync_file_exit(inode, cp_reason, datasync, ret);
return ret;
}
@@ -229,14 +257,14 @@ static int f2fs_do_sync_file(struct file *file, loff_t start, loff_t end,
* if there is no written data, don't waste time to write recovery info.
*/
if (!is_inode_flag_set(inode, FI_APPEND_WRITE) &&
- !exist_written_data(sbi, ino, APPEND_INO)) {
+ !f2fs_exist_written_data(sbi, ino, APPEND_INO)) {
/* it may call write_inode just prior to fsync */
if (need_inode_page_update(sbi, ino))
goto go_write;
if (is_inode_flag_set(inode, FI_UPDATE_WRITE) ||
- exist_written_data(sbi, ino, UPDATE_INO))
+ f2fs_exist_written_data(sbi, ino, UPDATE_INO))
goto flush_out;
goto out;
}
@@ -246,10 +274,10 @@ go_write:
* sudden-power-off.
*/
down_read(&F2FS_I(inode)->i_sem);
- need_cp = need_do_checkpoint(inode);
+ cp_reason = need_do_checkpoint(inode);
up_read(&F2FS_I(inode)->i_sem);
- if (need_cp) {
+ if (cp_reason) {
/* all the dirty node pages should be flushed for POR */
ret = f2fs_sync_fs(inode->i_sb, 1);
@@ -263,7 +291,9 @@ go_write:
goto out;
}
sync_nodes:
- ret = fsync_node_pages(sbi, inode, &wbc, atomic);
+ atomic_inc(&sbi->wb_sync_req[NODE]);
+ ret = f2fs_fsync_node_pages(sbi, inode, &wbc, atomic, &seq_id);
+ atomic_dec(&sbi->wb_sync_req[NODE]);
if (ret)
goto out;
@@ -273,7 +303,7 @@ sync_nodes:
goto out;
}
- if (need_inode_block_update(sbi, ino)) {
+ if (f2fs_need_inode_block_update(sbi, ino)) {
f2fs_mark_inode_dirty_sync(inode, true);
f2fs_write_inode(inode, NULL);
goto sync_nodes;
@@ -288,46 +318,54 @@ sync_nodes:
* given fsync mark.
*/
if (!atomic) {
- ret = wait_on_node_pages_writeback(sbi, ino);
+ ret = f2fs_wait_on_node_pages_writeback(sbi, seq_id);
if (ret)
goto out;
}
/* once recovery info is written, don't need to tack this */
- remove_ino_entry(sbi, ino, APPEND_INO);
+ f2fs_remove_ino_entry(sbi, ino, APPEND_INO);
clear_inode_flag(inode, FI_APPEND_WRITE);
flush_out:
- remove_ino_entry(sbi, ino, UPDATE_INO);
- clear_inode_flag(inode, FI_UPDATE_WRITE);
- if (!atomic)
- ret = f2fs_issue_flush(sbi);
+ if (!atomic && F2FS_OPTION(sbi).fsync_mode != FSYNC_MODE_NOBARRIER)
+ ret = f2fs_issue_flush(sbi, inode->i_ino);
+ if (!ret) {
+ f2fs_remove_ino_entry(sbi, ino, UPDATE_INO);
+ clear_inode_flag(inode, FI_UPDATE_WRITE);
+ f2fs_remove_ino_entry(sbi, ino, FLUSH_INO);
+ }
f2fs_update_time(sbi, REQ_TIME);
out:
- trace_f2fs_sync_file_exit(inode, need_cp, datasync, ret);
+ trace_f2fs_sync_file_exit(inode, cp_reason, datasync, ret);
f2fs_trace_ios(NULL, 1);
+ trace_android_fs_fsync_end(inode, start, end - start);
+
return ret;
}
int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
{
+ if (unlikely(f2fs_cp_error(F2FS_I_SB(file_inode(file)))))
+ return -EIO;
return f2fs_do_sync_file(file, start, end, datasync, false);
}
static pgoff_t __get_first_dirty_index(struct address_space *mapping,
pgoff_t pgofs, int whence)
{
- struct pagevec pvec;
+ struct page *page;
int nr_pages;
if (whence != SEEK_DATA)
return 0;
/* find first dirty page index */
- pagevec_init(&pvec, 0);
- nr_pages = pagevec_lookup_tag(&pvec, mapping, &pgofs,
- PAGECACHE_TAG_DIRTY, 1);
- pgofs = nr_pages ? pvec.pages[0]->index : ULONG_MAX;
- pagevec_release(&pvec);
+ nr_pages = find_get_pages_tag(mapping, &pgofs, PAGECACHE_TAG_DIRTY,
+ 1, &page);
+ if (!nr_pages)
+ return ULONG_MAX;
+ pgofs = page->index;
+ put_page(page);
return pgofs;
}
@@ -337,7 +375,7 @@ static bool __found_offset(struct f2fs_sb_info *sbi, block_t blkaddr,
switch (whence) {
case SEEK_DATA:
if ((blkaddr == NEW_ADDR && dirty == pgofs) ||
- is_valid_data_blkaddr(sbi, blkaddr))
+ __is_valid_data_blkaddr(blkaddr))
return true;
break;
case SEEK_HOLE:
@@ -377,13 +415,13 @@ static loff_t f2fs_seek_block(struct file *file, loff_t offset, int whence)
for (; data_ofs < isize; data_ofs = (loff_t)pgofs << PAGE_SHIFT) {
set_new_dnode(&dn, inode, NULL, NULL, 0);
- err = get_dnode_of_data(&dn, pgofs, LOOKUP_NODE);
+ err = f2fs_get_dnode_of_data(&dn, pgofs, LOOKUP_NODE);
if (err && err != -ENOENT) {
goto fail;
} else if (err == -ENOENT) {
/* direct node does not exists */
if (whence == SEEK_DATA) {
- pgofs = get_next_page_offset(&dn, pgofs);
+ pgofs = f2fs_get_next_page_offset(&dn, pgofs);
continue;
} else {
goto found;
@@ -397,12 +435,13 @@ static loff_t f2fs_seek_block(struct file *file, loff_t offset, int whence)
dn.ofs_in_node++, pgofs++,
data_ofs = (loff_t)pgofs << PAGE_SHIFT) {
block_t blkaddr;
+
blkaddr = datablock_addr(dn.inode,
dn.node_page, dn.ofs_in_node);
if (__is_valid_data_blkaddr(blkaddr) &&
!f2fs_is_valid_blkaddr(F2FS_I_SB(inode),
- blkaddr, DATA_GENERIC)) {
+ blkaddr, DATA_GENERIC_ENHANCE)) {
f2fs_put_dnode(&dn);
goto fail;
}
@@ -454,6 +493,9 @@ static int f2fs_file_mmap(struct file *file, struct vm_area_struct *vma)
struct inode *inode = file_inode(file);
int err;
+ if (unlikely(f2fs_cp_error(F2FS_I_SB(inode))))
+ return -EIO;
+
/* we don't need to use inline_data strictly */
err = f2fs_convert_inline_inode(inode);
if (err)
@@ -466,26 +508,21 @@ static int f2fs_file_mmap(struct file *file, struct vm_area_struct *vma)
static int f2fs_file_open(struct inode *inode, struct file *filp)
{
- struct dentry *dir;
+ int err = fscrypt_file_open(inode, filp);
+
+ if (err)
+ return err;
+
+ err = fsverity_file_open(inode, filp);
+ if (err)
+ return err;
+
+ filp->f_mode |= FMODE_NOWAIT;
- if (f2fs_encrypted_inode(inode)) {
- int ret = fscrypt_get_encryption_info(inode);
- if (ret)
- return -EACCES;
- if (!fscrypt_has_encryption_key(inode))
- return -ENOKEY;
- }
- dir = dget_parent(file_dentry(filp));
- if (f2fs_encrypted_inode(d_inode(dir)) &&
- !fscrypt_has_permitted_context(d_inode(dir), inode)) {
- dput(dir);
- return -EPERM;
- }
- dput(dir);
return dquot_file_open(inode, filp);
}
-int truncate_data_blocks_range(struct dnode_of_data *dn, int count)
+void f2fs_truncate_data_blocks_range(struct dnode_of_data *dn, int count)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(dn->inode);
struct f2fs_node *raw_node;
@@ -501,17 +538,19 @@ int truncate_data_blocks_range(struct dnode_of_data *dn, int count)
for (; count > 0; count--, addr++, dn->ofs_in_node++) {
block_t blkaddr = le32_to_cpu(*addr);
+
if (blkaddr == NULL_ADDR)
continue;
dn->data_blkaddr = NULL_ADDR;
- set_data_blkaddr(dn);
+ f2fs_set_data_blkaddr(dn);
if (__is_valid_data_blkaddr(blkaddr) &&
- !f2fs_is_valid_blkaddr(sbi, blkaddr, DATA_GENERIC))
+ !f2fs_is_valid_blkaddr(sbi, blkaddr,
+ DATA_GENERIC_ENHANCE))
continue;
- invalidate_blocks(sbi, blkaddr);
+ f2fs_invalidate_blocks(sbi, blkaddr);
if (dn->ofs_in_node == 0 && IS_INODE(dn->node_page))
clear_inode_flag(dn->inode, FI_FIRST_BLOCK_WRITTEN);
nr_free++;
@@ -523,7 +562,7 @@ int truncate_data_blocks_range(struct dnode_of_data *dn, int count)
* once we invalidate valid blkaddr in range [ofs, ofs + count],
* we will invalidate all blkaddr in the whole range.
*/
- fofs = start_bidx_of_node(ofs_of_node(dn->node_page),
+ fofs = f2fs_start_bidx_of_node(ofs_of_node(dn->node_page),
dn->inode) + ofs;
f2fs_update_extent_cache_range(dn, fofs, 0, len);
dec_valid_block_count(sbi, dn->inode, nr_free);
@@ -533,18 +572,17 @@ int truncate_data_blocks_range(struct dnode_of_data *dn, int count)
f2fs_update_time(sbi, REQ_TIME);
trace_f2fs_truncate_data_blocks_range(dn->inode, dn->nid,
dn->ofs_in_node, nr_free);
- return nr_free;
}
-void truncate_data_blocks(struct dnode_of_data *dn)
+void f2fs_truncate_data_blocks(struct dnode_of_data *dn)
{
- truncate_data_blocks_range(dn, ADDRS_PER_BLOCK);
+ f2fs_truncate_data_blocks_range(dn, ADDRS_PER_BLOCK(dn->inode));
}
static int truncate_partial_data_page(struct inode *inode, u64 from,
bool cache_only)
{
- unsigned offset = from & (PAGE_SIZE - 1);
+ loff_t offset = from & (PAGE_SIZE - 1);
pgoff_t index = from >> PAGE_SHIFT;
struct address_space *mapping = inode->i_mapping;
struct page *page;
@@ -560,25 +598,24 @@ static int truncate_partial_data_page(struct inode *inode, u64 from,
return 0;
}
- page = get_lock_data_page(inode, index, true);
+ page = f2fs_get_lock_data_page(inode, index, true);
if (IS_ERR(page))
return PTR_ERR(page) == -ENOENT ? 0 : PTR_ERR(page);
truncate_out:
- f2fs_wait_on_page_writeback(page, DATA, true);
+ f2fs_wait_on_page_writeback(page, DATA, true, true);
zero_user(page, offset, PAGE_SIZE - offset);
/* An encrypted inode should have a key and truncate the last page. */
- f2fs_bug_on(F2FS_I_SB(inode), cache_only && f2fs_encrypted_inode(inode));
+ f2fs_bug_on(F2FS_I_SB(inode), cache_only && IS_ENCRYPTED(inode));
if (!cache_only)
set_page_dirty(page);
f2fs_put_page(page, 1);
return 0;
}
-int truncate_blocks(struct inode *inode, u64 from, bool lock)
+int f2fs_truncate_blocks(struct inode *inode, u64 from, bool lock)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
- unsigned int blocksize = inode->i_sb->s_blocksize;
struct dnode_of_data dn;
pgoff_t free_from;
int count = 0, err = 0;
@@ -587,7 +624,7 @@ int truncate_blocks(struct inode *inode, u64 from, bool lock)
trace_f2fs_truncate_blocks_enter(inode, from);
- free_from = (pgoff_t)F2FS_BYTES_TO_BLK(from + blocksize - 1);
+ free_from = (pgoff_t)F2FS_BLK_ALIGN(from);
if (free_from >= sbi->max_file_blocks)
goto free_partial;
@@ -595,21 +632,21 @@ int truncate_blocks(struct inode *inode, u64 from, bool lock)
if (lock)
f2fs_lock_op(sbi);
- ipage = get_node_page(sbi, inode->i_ino);
+ ipage = f2fs_get_node_page(sbi, inode->i_ino);
if (IS_ERR(ipage)) {
err = PTR_ERR(ipage);
goto out;
}
if (f2fs_has_inline_data(inode)) {
- truncate_inline_inode(inode, ipage, from);
+ f2fs_truncate_inline_inode(inode, ipage, from);
f2fs_put_page(ipage, 1);
truncate_page = true;
goto out;
}
set_new_dnode(&dn, inode, ipage, NULL, 0);
- err = get_dnode_of_data(&dn, free_from, LOOKUP_NODE_RA);
+ err = f2fs_get_dnode_of_data(&dn, free_from, LOOKUP_NODE_RA);
if (err) {
if (err == -ENOENT)
goto free_next;
@@ -622,13 +659,13 @@ int truncate_blocks(struct inode *inode, u64 from, bool lock)
f2fs_bug_on(sbi, count < 0);
if (dn.ofs_in_node || IS_INODE(dn.node_page)) {
- truncate_data_blocks_range(&dn, count);
+ f2fs_truncate_data_blocks_range(&dn, count);
free_from += count;
}
f2fs_put_dnode(&dn);
free_next:
- err = truncate_inode_blocks(inode, free_from);
+ err = f2fs_truncate_inode_blocks(inode, free_from);
out:
if (lock)
f2fs_unlock_op(sbi);
@@ -645,18 +682,20 @@ int f2fs_truncate(struct inode *inode)
{
int err;
+ if (unlikely(f2fs_cp_error(F2FS_I_SB(inode))))
+ return -EIO;
+
if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) ||
S_ISLNK(inode->i_mode)))
return 0;
trace_f2fs_truncate(inode);
-#ifdef CONFIG_F2FS_FAULT_INJECTION
if (time_to_inject(F2FS_I_SB(inode), FAULT_TRUNCATE)) {
- f2fs_show_injection_info(FAULT_TRUNCATE);
+ f2fs_show_injection_info(F2FS_I_SB(inode), FAULT_TRUNCATE);
return -EIO;
}
-#endif
+
/* we should check inline_data size */
if (!f2fs_may_inline_data(inode)) {
err = f2fs_convert_inline_inode(inode);
@@ -664,7 +703,7 @@ int f2fs_truncate(struct inode *inode)
return err;
}
- err = truncate_blocks(inode, i_size_read(inode), true);
+ err = f2fs_truncate_blocks(inode, i_size_read(inode), true);
if (err)
return err;
@@ -678,22 +717,28 @@ int f2fs_getattr(const struct path *path, struct kstat *stat,
{
struct inode *inode = d_inode(path->dentry);
struct f2fs_inode_info *fi = F2FS_I(inode);
+ struct f2fs_inode *ri;
unsigned int flags;
- flags = fi->i_flags & (FS_FL_USER_VISIBLE | FS_PROJINHERIT_FL);
- if (flags & FS_APPEND_FL)
+ if (f2fs_has_extra_attr(inode) &&
+ f2fs_sb_has_inode_crtime(F2FS_I_SB(inode)) &&
+ F2FS_FITS_IN_INODE(ri, fi->i_extra_isize, i_crtime)) {
+ stat->result_mask |= STATX_BTIME;
+ stat->btime.tv_sec = fi->i_crtime.tv_sec;
+ stat->btime.tv_nsec = fi->i_crtime.tv_nsec;
+ }
+
+ flags = fi->i_flags;
+ if (flags & F2FS_APPEND_FL)
stat->attributes |= STATX_ATTR_APPEND;
- if (flags & FS_COMPR_FL)
- stat->attributes |= STATX_ATTR_COMPRESSED;
- if (f2fs_encrypted_inode(inode))
+ if (IS_ENCRYPTED(inode))
stat->attributes |= STATX_ATTR_ENCRYPTED;
- if (flags & FS_IMMUTABLE_FL)
+ if (flags & F2FS_IMMUTABLE_FL)
stat->attributes |= STATX_ATTR_IMMUTABLE;
- if (flags & FS_NODUMP_FL)
+ if (flags & F2FS_NODUMP_FL)
stat->attributes |= STATX_ATTR_NODUMP;
stat->attributes_mask |= (STATX_ATTR_APPEND |
- STATX_ATTR_COMPRESSED |
STATX_ATTR_ENCRYPTED |
STATX_ATTR_IMMUTABLE |
STATX_ATTR_NODUMP);
@@ -742,12 +787,22 @@ int f2fs_setattr(struct dentry *dentry, struct iattr *attr)
{
struct inode *inode = d_inode(dentry);
int err;
- bool size_changed = false;
+
+ if (unlikely(f2fs_cp_error(F2FS_I_SB(inode))))
+ return -EIO;
err = setattr_prepare(dentry, attr);
if (err)
return err;
+ err = fscrypt_prepare_setattr(dentry, attr);
+ if (err)
+ return err;
+
+ err = fsverity_prepare_setattr(dentry, attr);
+ if (err)
+ return err;
+
if (is_quota_modification(inode, attr)) {
err = dquot_initialize(inode);
if (err)
@@ -757,52 +812,65 @@ int f2fs_setattr(struct dentry *dentry, struct iattr *attr)
!uid_eq(attr->ia_uid, inode->i_uid)) ||
(attr->ia_valid & ATTR_GID &&
!gid_eq(attr->ia_gid, inode->i_gid))) {
+ f2fs_lock_op(F2FS_I_SB(inode));
err = dquot_transfer(inode, attr);
- if (err)
+ if (err) {
+ set_sbi_flag(F2FS_I_SB(inode),
+ SBI_QUOTA_NEED_REPAIR);
+ f2fs_unlock_op(F2FS_I_SB(inode));
return err;
+ }
+ /*
+ * update uid/gid under lock_op(), so that dquot and inode can
+ * be updated atomically.
+ */
+ if (attr->ia_valid & ATTR_UID)
+ inode->i_uid = attr->ia_uid;
+ if (attr->ia_valid & ATTR_GID)
+ inode->i_gid = attr->ia_gid;
+ f2fs_mark_inode_dirty_sync(inode, true);
+ f2fs_unlock_op(F2FS_I_SB(inode));
}
if (attr->ia_valid & ATTR_SIZE) {
- if (f2fs_encrypted_inode(inode)) {
- err = fscrypt_get_encryption_info(inode);
+ loff_t old_size = i_size_read(inode);
+
+ if (attr->ia_size > MAX_INLINE_DATA(inode)) {
+ /*
+ * should convert inline inode before i_size_write to
+ * keep smaller than inline_data size with inline flag.
+ */
+ err = f2fs_convert_inline_inode(inode);
if (err)
return err;
- if (!fscrypt_has_encryption_key(inode))
- return -ENOKEY;
}
- if (attr->ia_size <= i_size_read(inode)) {
- down_write(&F2FS_I(inode)->i_mmap_sem);
- truncate_setsize(inode, attr->ia_size);
- err = f2fs_truncate(inode);
- up_write(&F2FS_I(inode)->i_mmap_sem);
- if (err)
- return err;
- } else {
- /*
- * do not trim all blocks after i_size if target size is
- * larger than i_size.
- */
- down_write(&F2FS_I(inode)->i_mmap_sem);
- truncate_setsize(inode, attr->ia_size);
- up_write(&F2FS_I(inode)->i_mmap_sem);
+ down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
+ down_write(&F2FS_I(inode)->i_mmap_sem);
- /* should convert inline inode here */
- if (!f2fs_may_inline_data(inode)) {
- err = f2fs_convert_inline_inode(inode);
- if (err)
- return err;
- }
- inode->i_mtime = inode->i_ctime = current_time(inode);
- }
+ truncate_setsize(inode, attr->ia_size);
+
+ if (attr->ia_size <= old_size)
+ err = f2fs_truncate(inode);
+ /*
+ * do not trim all blocks after i_size if target size is
+ * larger than i_size.
+ */
+ up_write(&F2FS_I(inode)->i_mmap_sem);
+ up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
+ if (err)
+ return err;
- size_changed = true;
+ down_write(&F2FS_I(inode)->i_sem);
+ inode->i_mtime = inode->i_ctime = current_time(inode);
+ F2FS_I(inode)->last_disk_size = i_size_read(inode);
+ up_write(&F2FS_I(inode)->i_sem);
}
__setattr_copy(inode, attr);
if (attr->ia_valid & ATTR_MODE) {
- err = posix_acl_chmod(inode, get_inode_mode(inode));
+ err = posix_acl_chmod(inode, f2fs_get_inode_mode(inode));
if (err || is_inode_flag_set(inode, FI_ACL_MODE)) {
inode->i_mode = F2FS_I(inode)->i_acl_mode;
clear_inode_flag(inode, FI_ACL_MODE);
@@ -810,7 +878,7 @@ int f2fs_setattr(struct dentry *dentry, struct iattr *attr)
}
/* file size may changed here */
- f2fs_mark_inode_dirty_sync(inode, size_changed);
+ f2fs_mark_inode_dirty_sync(inode, true);
/* inode change will produce dirty node pages flushed by checkpoint */
f2fs_balance_fs(F2FS_I_SB(inode), true);
@@ -841,20 +909,20 @@ static int fill_zero(struct inode *inode, pgoff_t index,
f2fs_balance_fs(sbi, true);
f2fs_lock_op(sbi);
- page = get_new_data_page(inode, NULL, index, false);
+ page = f2fs_get_new_data_page(inode, NULL, index, false);
f2fs_unlock_op(sbi);
if (IS_ERR(page))
return PTR_ERR(page);
- f2fs_wait_on_page_writeback(page, DATA, true);
+ f2fs_wait_on_page_writeback(page, DATA, true, true);
zero_user(page, start, len);
set_page_dirty(page);
f2fs_put_page(page, 1);
return 0;
}
-int truncate_hole(struct inode *inode, pgoff_t pg_start, pgoff_t pg_end)
+int f2fs_truncate_hole(struct inode *inode, pgoff_t pg_start, pgoff_t pg_end)
{
int err;
@@ -863,10 +931,11 @@ int truncate_hole(struct inode *inode, pgoff_t pg_start, pgoff_t pg_end)
pgoff_t end_offset, count;
set_new_dnode(&dn, inode, NULL, NULL, 0);
- err = get_dnode_of_data(&dn, pg_start, LOOKUP_NODE);
+ err = f2fs_get_dnode_of_data(&dn, pg_start, LOOKUP_NODE);
if (err) {
if (err == -ENOENT) {
- pg_start++;
+ pg_start = f2fs_get_next_page_offset(&dn,
+ pg_start);
continue;
}
return err;
@@ -877,7 +946,7 @@ int truncate_hole(struct inode *inode, pgoff_t pg_start, pgoff_t pg_end)
f2fs_bug_on(F2FS_I_SB(inode), count == 0 || count > end_offset);
- truncate_data_blocks_range(&dn, count);
+ f2fs_truncate_data_blocks_range(&dn, count);
f2fs_put_dnode(&dn);
pg_start += count;
@@ -928,14 +997,19 @@ static int punch_hole(struct inode *inode, loff_t offset, loff_t len)
blk_start = (loff_t)pg_start << PAGE_SHIFT;
blk_end = (loff_t)pg_end << PAGE_SHIFT;
+
+ down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
down_write(&F2FS_I(inode)->i_mmap_sem);
+
truncate_inode_pages_range(mapping, blk_start,
blk_end - 1);
f2fs_lock_op(sbi);
- ret = truncate_hole(inode, pg_start, pg_end);
+ ret = f2fs_truncate_hole(inode, pg_start, pg_end);
f2fs_unlock_op(sbi);
+
up_write(&F2FS_I(inode)->i_mmap_sem);
+ up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
}
}
@@ -951,13 +1025,14 @@ static int __read_out_blkaddrs(struct inode *inode, block_t *blkaddr,
next_dnode:
set_new_dnode(&dn, inode, NULL, NULL, 0);
- ret = get_dnode_of_data(&dn, off, LOOKUP_NODE_RA);
+ ret = f2fs_get_dnode_of_data(&dn, off, LOOKUP_NODE_RA);
if (ret && ret != -ENOENT) {
return ret;
} else if (ret == -ENOENT) {
if (dn.max_level == 0)
return -ENOENT;
- done = min((pgoff_t)ADDRS_PER_BLOCK - dn.ofs_in_node, len);
+ done = min((pgoff_t)ADDRS_PER_BLOCK(inode) - dn.ofs_in_node,
+ len);
blkaddr += done;
do_replace += done;
goto next;
@@ -968,11 +1043,19 @@ next_dnode:
for (i = 0; i < done; i++, blkaddr++, do_replace++, dn.ofs_in_node++) {
*blkaddr = datablock_addr(dn.inode,
dn.node_page, dn.ofs_in_node);
- if (!is_checkpointed_data(sbi, *blkaddr)) {
+
+ if (__is_valid_data_blkaddr(*blkaddr) &&
+ !f2fs_is_valid_blkaddr(sbi, *blkaddr,
+ DATA_GENERIC_ENHANCE)) {
+ f2fs_put_dnode(&dn);
+ return -EFSCORRUPTED;
+ }
+
+ if (!f2fs_is_checkpointed_data(sbi, *blkaddr)) {
if (test_opt(sbi, LFS)) {
f2fs_put_dnode(&dn);
- return -ENOTSUPP;
+ return -EOPNOTSUPP;
}
/* do not invalidate this block address */
@@ -1001,10 +1084,10 @@ static int __roll_back_blkaddrs(struct inode *inode, block_t *blkaddr,
continue;
set_new_dnode(&dn, inode, NULL, NULL, 0);
- ret = get_dnode_of_data(&dn, off + i, LOOKUP_NODE_RA);
+ ret = f2fs_get_dnode_of_data(&dn, off + i, LOOKUP_NODE_RA);
if (ret) {
dec_valid_block_count(sbi, inode, 1);
- invalidate_blocks(sbi, *blkaddr);
+ f2fs_invalidate_blocks(sbi, *blkaddr);
} else {
f2fs_update_data_blkaddr(&dn, *blkaddr);
}
@@ -1034,18 +1117,23 @@ static int __clone_blkaddrs(struct inode *src_inode, struct inode *dst_inode,
pgoff_t ilen;
set_new_dnode(&dn, dst_inode, NULL, NULL, 0);
- ret = get_dnode_of_data(&dn, dst + i, ALLOC_NODE);
+ ret = f2fs_get_dnode_of_data(&dn, dst + i, ALLOC_NODE);
if (ret)
return ret;
- get_node_info(sbi, dn.nid, &ni);
+ ret = f2fs_get_node_info(sbi, dn.nid, &ni);
+ if (ret) {
+ f2fs_put_dnode(&dn);
+ return ret;
+ }
+
ilen = min((pgoff_t)
ADDRS_PER_PAGE(dn.node_page, dst_inode) -
dn.ofs_in_node, len - i);
do {
dn.data_blkaddr = datablock_addr(dn.inode,
dn.node_page, dn.ofs_in_node);
- truncate_data_blocks_range(&dn, 1);
+ f2fs_truncate_data_blocks_range(&dn, 1);
if (do_replace[i]) {
f2fs_i_blocks_write(src_inode,
@@ -1059,7 +1147,7 @@ static int __clone_blkaddrs(struct inode *src_inode, struct inode *dst_inode,
}
dn.ofs_in_node++;
i++;
- new_size = (dst + i) << PAGE_SHIFT;
+ new_size = (loff_t)(dst + i) << PAGE_SHIFT;
if (dst_inode->i_size < new_size)
f2fs_i_size_write(dst_inode, new_size);
} while (--ilen && (do_replace[i] || blkaddr[i] == NULL_ADDR));
@@ -1068,10 +1156,11 @@ static int __clone_blkaddrs(struct inode *src_inode, struct inode *dst_inode,
} else {
struct page *psrc, *pdst;
- psrc = get_lock_data_page(src_inode, src + i, true);
+ psrc = f2fs_get_lock_data_page(src_inode,
+ src + i, true);
if (IS_ERR(psrc))
return PTR_ERR(psrc);
- pdst = get_new_data_page(dst_inode, NULL, dst + i,
+ pdst = f2fs_get_new_data_page(dst_inode, NULL, dst + i,
true);
if (IS_ERR(pdst)) {
f2fs_put_page(psrc, 1);
@@ -1082,7 +1171,8 @@ static int __clone_blkaddrs(struct inode *src_inode, struct inode *dst_inode,
f2fs_put_page(pdst, 1);
f2fs_put_page(psrc, 1);
- ret = truncate_hole(src_inode, src + i, src + i + 1);
+ ret = f2fs_truncate_hole(src_inode,
+ src + i, src + i + 1);
if (ret)
return ret;
i++;
@@ -1101,13 +1191,17 @@ static int __exchange_data_block(struct inode *src_inode,
int ret;
while (len) {
- olen = min((pgoff_t)4 * ADDRS_PER_BLOCK, len);
+ olen = min((pgoff_t)4 * ADDRS_PER_BLOCK(src_inode), len);
- src_blkaddr = kvzalloc(sizeof(block_t) * olen, GFP_KERNEL);
+ src_blkaddr = f2fs_kvzalloc(F2FS_I_SB(src_inode),
+ array_size(olen, sizeof(block_t)),
+ GFP_KERNEL);
if (!src_blkaddr)
return -ENOMEM;
- do_replace = kvzalloc(sizeof(int) * olen, GFP_KERNEL);
+ do_replace = f2fs_kvzalloc(F2FS_I_SB(src_inode),
+ array_size(olen, sizeof(int)),
+ GFP_KERNEL);
if (!do_replace) {
kvfree(src_blkaddr);
return -ENOMEM;
@@ -1133,31 +1227,39 @@ static int __exchange_data_block(struct inode *src_inode,
return 0;
roll_back:
- __roll_back_blkaddrs(src_inode, src_blkaddr, do_replace, src, len);
+ __roll_back_blkaddrs(src_inode, src_blkaddr, do_replace, src, olen);
kvfree(src_blkaddr);
kvfree(do_replace);
return ret;
}
-static int f2fs_do_collapse(struct inode *inode, pgoff_t start, pgoff_t end)
+static int f2fs_do_collapse(struct inode *inode, loff_t offset, loff_t len)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
- pgoff_t nrpages = (i_size_read(inode) + PAGE_SIZE - 1) / PAGE_SIZE;
+ pgoff_t nrpages = DIV_ROUND_UP(i_size_read(inode), PAGE_SIZE);
+ pgoff_t start = offset >> PAGE_SHIFT;
+ pgoff_t end = (offset + len) >> PAGE_SHIFT;
int ret;
f2fs_balance_fs(sbi, true);
- f2fs_lock_op(sbi);
- f2fs_drop_extent_tree(inode);
+ /* avoid gc operation during block exchange */
+ down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
+ down_write(&F2FS_I(inode)->i_mmap_sem);
+ f2fs_lock_op(sbi);
+ f2fs_drop_extent_tree(inode);
+ truncate_pagecache(inode, offset);
ret = __exchange_data_block(inode, inode, end, start, nrpages - end, true);
f2fs_unlock_op(sbi);
+
+ up_write(&F2FS_I(inode)->i_mmap_sem);
+ up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
return ret;
}
static int f2fs_collapse_range(struct inode *inode, loff_t offset, loff_t len)
{
- pgoff_t pg_start, pg_end;
loff_t new_size;
int ret;
@@ -1172,34 +1274,27 @@ static int f2fs_collapse_range(struct inode *inode, loff_t offset, loff_t len)
if (ret)
return ret;
- pg_start = offset >> PAGE_SHIFT;
- pg_end = (offset + len) >> PAGE_SHIFT;
-
- down_write(&F2FS_I(inode)->i_mmap_sem);
/* write out all dirty pages from offset */
ret = filemap_write_and_wait_range(inode->i_mapping, offset, LLONG_MAX);
if (ret)
- goto out;
-
- truncate_pagecache(inode, offset);
+ return ret;
- ret = f2fs_do_collapse(inode, pg_start, pg_end);
+ ret = f2fs_do_collapse(inode, offset, len);
if (ret)
- goto out;
+ return ret;
/* write out all moved pages, if possible */
+ down_write(&F2FS_I(inode)->i_mmap_sem);
filemap_write_and_wait_range(inode->i_mapping, offset, LLONG_MAX);
truncate_pagecache(inode, offset);
new_size = i_size_read(inode) - len;
truncate_pagecache(inode, new_size);
- ret = truncate_blocks(inode, new_size, true);
+ ret = f2fs_truncate_blocks(inode, new_size, true);
+ up_write(&F2FS_I(inode)->i_mmap_sem);
if (!ret)
f2fs_i_size_write(inode, new_size);
-
-out:
- up_write(&F2FS_I(inode)->i_mmap_sem);
return ret;
}
@@ -1219,7 +1314,7 @@ static int f2fs_do_zero_range(struct dnode_of_data *dn, pgoff_t start,
}
dn->ofs_in_node = ofs_in_node;
- ret = reserve_new_blocks(dn, count);
+ ret = f2fs_reserve_new_blocks(dn, count);
if (ret)
return ret;
@@ -1228,7 +1323,7 @@ static int f2fs_do_zero_range(struct dnode_of_data *dn, pgoff_t start,
dn->data_blkaddr = datablock_addr(dn->inode,
dn->node_page, dn->ofs_in_node);
/*
- * reserve_new_blocks will not guarantee entire block
+ * f2fs_reserve_new_blocks will not guarantee entire block
* allocation.
*/
if (dn->data_blkaddr == NULL_ADDR) {
@@ -1236,9 +1331,9 @@ static int f2fs_do_zero_range(struct dnode_of_data *dn, pgoff_t start,
break;
}
if (dn->data_blkaddr != NEW_ADDR) {
- invalidate_blocks(sbi, dn->data_blkaddr);
+ f2fs_invalidate_blocks(sbi, dn->data_blkaddr);
dn->data_blkaddr = NEW_ADDR;
- set_data_blkaddr(dn);
+ f2fs_set_data_blkaddr(dn);
}
}
@@ -1265,12 +1360,9 @@ static int f2fs_zero_range(struct inode *inode, loff_t offset, loff_t len,
if (ret)
return ret;
- down_write(&F2FS_I(inode)->i_mmap_sem);
ret = filemap_write_and_wait_range(mapping, offset, offset + len - 1);
if (ret)
- goto out_sem;
-
- truncate_pagecache_range(inode, offset, offset + len - 1);
+ return ret;
pg_start = ((unsigned long long) offset) >> PAGE_SHIFT;
pg_end = ((unsigned long long) offset + len) >> PAGE_SHIFT;
@@ -1282,7 +1374,7 @@ static int f2fs_zero_range(struct inode *inode, loff_t offset, loff_t len,
ret = fill_zero(inode, pg_start, off_start,
off_end - off_start);
if (ret)
- goto out_sem;
+ return ret;
new_size = max_t(loff_t, new_size, offset + len);
} else {
@@ -1290,7 +1382,7 @@ static int f2fs_zero_range(struct inode *inode, loff_t offset, loff_t len,
ret = fill_zero(inode, pg_start++, off_start,
PAGE_SIZE - off_start);
if (ret)
- goto out_sem;
+ return ret;
new_size = max_t(loff_t, new_size,
(loff_t)pg_start << PAGE_SHIFT);
@@ -1301,12 +1393,21 @@ static int f2fs_zero_range(struct inode *inode, loff_t offset, loff_t len,
unsigned int end_offset;
pgoff_t end;
+ down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
+ down_write(&F2FS_I(inode)->i_mmap_sem);
+
+ truncate_pagecache_range(inode,
+ (loff_t)index << PAGE_SHIFT,
+ ((loff_t)pg_end << PAGE_SHIFT) - 1);
+
f2fs_lock_op(sbi);
set_new_dnode(&dn, inode, NULL, NULL, 0);
- ret = get_dnode_of_data(&dn, index, ALLOC_NODE);
+ ret = f2fs_get_dnode_of_data(&dn, index, ALLOC_NODE);
if (ret) {
f2fs_unlock_op(sbi);
+ up_write(&F2FS_I(inode)->i_mmap_sem);
+ up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
goto out;
}
@@ -1315,7 +1416,10 @@ static int f2fs_zero_range(struct inode *inode, loff_t offset, loff_t len,
ret = f2fs_do_zero_range(&dn, index, end);
f2fs_put_dnode(&dn);
+
f2fs_unlock_op(sbi);
+ up_write(&F2FS_I(inode)->i_mmap_sem);
+ up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
f2fs_balance_fs(sbi, dn.node_changed);
@@ -1343,9 +1447,6 @@ out:
else
f2fs_i_size_write(inode, new_size);
}
-out_sem:
- up_write(&F2FS_I(inode)->i_mmap_sem);
-
return ret;
}
@@ -1375,21 +1476,25 @@ static int f2fs_insert_range(struct inode *inode, loff_t offset, loff_t len)
f2fs_balance_fs(sbi, true);
down_write(&F2FS_I(inode)->i_mmap_sem);
- ret = truncate_blocks(inode, i_size_read(inode), true);
+ ret = f2fs_truncate_blocks(inode, i_size_read(inode), true);
+ up_write(&F2FS_I(inode)->i_mmap_sem);
if (ret)
- goto out;
+ return ret;
/* write out all dirty pages from offset */
ret = filemap_write_and_wait_range(inode->i_mapping, offset, LLONG_MAX);
if (ret)
- goto out;
-
- truncate_pagecache(inode, offset);
+ return ret;
pg_start = offset >> PAGE_SHIFT;
pg_end = (offset + len) >> PAGE_SHIFT;
delta = pg_end - pg_start;
- idx = (i_size_read(inode) + PAGE_SIZE - 1) / PAGE_SIZE;
+ idx = DIV_ROUND_UP(i_size_read(inode), PAGE_SIZE);
+
+ /* avoid gc operation during block exchange */
+ down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
+ down_write(&F2FS_I(inode)->i_mmap_sem);
+ truncate_pagecache(inode, offset);
while (!ret && idx > pg_start) {
nr = idx - pg_start;
@@ -1404,15 +1509,17 @@ static int f2fs_insert_range(struct inode *inode, loff_t offset, loff_t len)
idx + delta, nr, false);
f2fs_unlock_op(sbi);
}
+ up_write(&F2FS_I(inode)->i_mmap_sem);
+ up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
/* write out all moved pages, if possible */
+ down_write(&F2FS_I(inode)->i_mmap_sem);
filemap_write_and_wait_range(inode->i_mapping, offset, LLONG_MAX);
truncate_pagecache(inode, offset);
+ up_write(&F2FS_I(inode)->i_mmap_sem);
if (!ret)
f2fs_i_size_write(inode, new_size);
-out:
- up_write(&F2FS_I(inode)->i_mmap_sem);
return ret;
}
@@ -1420,7 +1527,9 @@ static int expand_inode_data(struct inode *inode, loff_t offset,
loff_t len, int mode)
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
- struct f2fs_map_blocks map = { .m_next_pgofs = NULL };
+ struct f2fs_map_blocks map = { .m_next_pgofs = NULL,
+ .m_next_extent = NULL, .m_seg_type = NO_CHECK_TYPE,
+ .m_may_create = true };
pgoff_t pg_end;
loff_t new_size = i_size_read(inode);
loff_t off_end;
@@ -1444,7 +1553,44 @@ static int expand_inode_data(struct inode *inode, loff_t offset,
if (off_end)
map.m_len++;
- err = f2fs_map_blocks(inode, &map, 1, F2FS_GET_BLOCK_PRE_AIO);
+ if (!map.m_len)
+ return 0;
+
+ if (f2fs_is_pinned_file(inode)) {
+ block_t len = (map.m_len >> sbi->log_blocks_per_seg) <<
+ sbi->log_blocks_per_seg;
+ block_t done = 0;
+
+ if (map.m_len % sbi->blocks_per_seg)
+ len += sbi->blocks_per_seg;
+
+ map.m_len = sbi->blocks_per_seg;
+next_alloc:
+ if (has_not_enough_free_secs(sbi, 0,
+ GET_SEC_FROM_SEG(sbi, overprovision_segments(sbi)))) {
+ mutex_lock(&sbi->gc_mutex);
+ err = f2fs_gc(sbi, true, false, NULL_SEGNO);
+ if (err && err != -ENODATA && err != -EAGAIN)
+ goto out_err;
+ }
+
+ down_write(&sbi->pin_sem);
+ map.m_seg_type = CURSEG_COLD_DATA_PINNED;
+ f2fs_allocate_new_segments(sbi, CURSEG_COLD_DATA);
+ err = f2fs_map_blocks(inode, &map, 1, F2FS_GET_BLOCK_PRE_DIO);
+ up_write(&sbi->pin_sem);
+
+ done += map.m_len;
+ len -= map.m_len;
+ map.m_lblk += map.m_len;
+ if (!err && len)
+ goto next_alloc;
+
+ map.m_len = done;
+ } else {
+ err = f2fs_map_blocks(inode, &map, 1, F2FS_GET_BLOCK_PRE_AIO);
+ }
+out_err:
if (err) {
pgoff_t last_off;
@@ -1454,14 +1600,18 @@ static int expand_inode_data(struct inode *inode, loff_t offset,
last_off = map.m_lblk + map.m_len - 1;
/* update new size to the failed position */
- new_size = (last_off == pg_end) ? offset + len:
+ new_size = (last_off == pg_end) ? offset + len :
(loff_t)(last_off + 1) << PAGE_SHIFT;
} else {
new_size = ((loff_t)pg_end << PAGE_SHIFT) + off_end;
}
- if (!(mode & FALLOC_FL_KEEP_SIZE) && i_size_read(inode) < new_size)
- f2fs_i_size_write(inode, new_size);
+ if (new_size > i_size_read(inode)) {
+ if (mode & FALLOC_FL_KEEP_SIZE)
+ file_set_keep_isize(inode);
+ else
+ f2fs_i_size_write(inode, new_size);
+ }
return err;
}
@@ -1472,11 +1622,16 @@ static long f2fs_fallocate(struct file *file, int mode,
struct inode *inode = file_inode(file);
long ret = 0;
+ if (unlikely(f2fs_cp_error(F2FS_I_SB(inode))))
+ return -EIO;
+ if (!f2fs_is_checkpoint_ready(F2FS_I_SB(inode)))
+ return -ENOSPC;
+
/* f2fs only support ->fallocate for regular file */
if (!S_ISREG(inode->i_mode))
return -EINVAL;
- if (f2fs_encrypted_inode(inode) &&
+ if (IS_ENCRYPTED(inode) &&
(mode & (FALLOC_FL_COLLAPSE_RANGE | FALLOC_FL_INSERT_RANGE)))
return -EOPNOTSUPP;
@@ -1505,8 +1660,6 @@ static long f2fs_fallocate(struct file *file, int mode,
if (!ret) {
inode->i_mtime = inode->i_ctime = current_time(inode);
f2fs_mark_inode_dirty_sync(inode, false);
- if (mode & FALLOC_FL_KEEP_SIZE)
- file_set_keep_isize(inode);
f2fs_update_time(F2FS_I_SB(inode), REQ_TIME);
}
@@ -1529,13 +1682,13 @@ static int f2fs_release_file(struct inode *inode, struct file *filp)
/* some remained atomic pages should discarded */
if (f2fs_is_atomic_file(inode))
- drop_inmem_pages(inode);
+ f2fs_drop_inmem_pages(inode);
if (f2fs_is_volatile_file(inode)) {
- clear_inode_flag(inode, FI_VOLATILE_FILE);
- stat_dec_volatile_write(inode);
set_inode_flag(inode, FI_DROP_CACHE);
filemap_fdatawrite(inode->i_mapping);
clear_inode_flag(inode, FI_DROP_CACHE);
+ clear_inode_flag(inode, FI_VOLATILE_FILE);
+ stat_dec_volatile_write(inode);
}
return 0;
}
@@ -1552,41 +1705,28 @@ static int f2fs_file_flush(struct file *file, fl_owner_t id)
*/
if (f2fs_is_atomic_file(inode) &&
F2FS_I(inode)->inmem_task == current)
- drop_inmem_pages(inode);
+ f2fs_drop_inmem_pages(inode);
return 0;
}
-static int f2fs_ioc_getflags(struct file *filp, unsigned long arg)
-{
- struct inode *inode = file_inode(filp);
- struct f2fs_inode_info *fi = F2FS_I(inode);
- unsigned int flags = fi->i_flags &
- (FS_FL_USER_VISIBLE | FS_PROJINHERIT_FL);
- return put_user(flags, (int __user *)arg);
-}
-
-static int __f2fs_ioc_setflags(struct inode *inode, unsigned int flags)
+static int f2fs_setflags_common(struct inode *inode, u32 iflags, u32 mask)
{
struct f2fs_inode_info *fi = F2FS_I(inode);
- unsigned int oldflags;
/* Is it quota file? Do not allow user to mess with it */
if (IS_NOQUOTA(inode))
return -EPERM;
- flags = f2fs_mask_flags(inode->i_mode, flags);
-
- oldflags = fi->i_flags;
-
- if ((flags ^ oldflags) & (FS_APPEND_FL | FS_IMMUTABLE_FL))
- if (!capable(CAP_LINUX_IMMUTABLE))
- return -EPERM;
+ if ((iflags ^ fi->i_flags) & F2FS_CASEFOLD_FL) {
+ if (!f2fs_sb_has_casefold(F2FS_I_SB(inode)))
+ return -EOPNOTSUPP;
+ if (!f2fs_empty_dir(inode))
+ return -ENOTEMPTY;
+ }
- flags = flags & (FS_FL_USER_MODIFIABLE | FS_PROJINHERIT_FL);
- flags |= oldflags & ~(FS_FL_USER_MODIFIABLE | FS_PROJINHERIT_FL);
- fi->i_flags = flags;
+ fi->i_flags = iflags | (fi->i_flags & ~mask);
- if (fi->i_flags & FS_PROJINHERIT_FL)
+ if (fi->i_flags & F2FS_PROJINHERIT_FL)
set_inode_flag(inode, FI_PROJ_INHERIT);
else
clear_inode_flag(inode, FI_PROJ_INHERIT);
@@ -1597,26 +1737,137 @@ static int __f2fs_ioc_setflags(struct inode *inode, unsigned int flags)
return 0;
}
+/* FS_IOC_GETFLAGS and FS_IOC_SETFLAGS support */
+
+/*
+ * To make a new on-disk f2fs i_flag gettable via FS_IOC_GETFLAGS, add an entry
+ * for it to f2fs_fsflags_map[], and add its FS_*_FL equivalent to
+ * F2FS_GETTABLE_FS_FL. To also make it settable via FS_IOC_SETFLAGS, also add
+ * its FS_*_FL equivalent to F2FS_SETTABLE_FS_FL.
+ */
+
+static const struct {
+ u32 iflag;
+ u32 fsflag;
+} f2fs_fsflags_map[] = {
+ { F2FS_SYNC_FL, FS_SYNC_FL },
+ { F2FS_IMMUTABLE_FL, FS_IMMUTABLE_FL },
+ { F2FS_APPEND_FL, FS_APPEND_FL },
+ { F2FS_NODUMP_FL, FS_NODUMP_FL },
+ { F2FS_NOATIME_FL, FS_NOATIME_FL },
+ { F2FS_INDEX_FL, FS_INDEX_FL },
+ { F2FS_DIRSYNC_FL, FS_DIRSYNC_FL },
+ { F2FS_PROJINHERIT_FL, FS_PROJINHERIT_FL },
+ { F2FS_CASEFOLD_FL, FS_CASEFOLD_FL },
+};
+
+#define F2FS_GETTABLE_FS_FL ( \
+ FS_SYNC_FL | \
+ FS_IMMUTABLE_FL | \
+ FS_APPEND_FL | \
+ FS_NODUMP_FL | \
+ FS_NOATIME_FL | \
+ FS_INDEX_FL | \
+ FS_DIRSYNC_FL | \
+ FS_PROJINHERIT_FL | \
+ FS_ENCRYPT_FL | \
+ FS_INLINE_DATA_FL | \
+ FS_NOCOW_FL | \
+ FS_VERITY_FL | \
+ FS_CASEFOLD_FL)
+
+#define F2FS_SETTABLE_FS_FL ( \
+ FS_SYNC_FL | \
+ FS_IMMUTABLE_FL | \
+ FS_APPEND_FL | \
+ FS_NODUMP_FL | \
+ FS_NOATIME_FL | \
+ FS_DIRSYNC_FL | \
+ FS_PROJINHERIT_FL | \
+ FS_CASEFOLD_FL)
+
+/* Convert f2fs on-disk i_flags to FS_IOC_{GET,SET}FLAGS flags */
+static inline u32 f2fs_iflags_to_fsflags(u32 iflags)
+{
+ u32 fsflags = 0;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(f2fs_fsflags_map); i++)
+ if (iflags & f2fs_fsflags_map[i].iflag)
+ fsflags |= f2fs_fsflags_map[i].fsflag;
+
+ return fsflags;
+}
+
+/* Convert FS_IOC_{GET,SET}FLAGS flags to f2fs on-disk i_flags */
+static inline u32 f2fs_fsflags_to_iflags(u32 fsflags)
+{
+ u32 iflags = 0;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(f2fs_fsflags_map); i++)
+ if (fsflags & f2fs_fsflags_map[i].fsflag)
+ iflags |= f2fs_fsflags_map[i].iflag;
+
+ return iflags;
+}
+
+static int f2fs_ioc_getflags(struct file *filp, unsigned long arg)
+{
+ struct inode *inode = file_inode(filp);
+ struct f2fs_inode_info *fi = F2FS_I(inode);
+ u32 fsflags = f2fs_iflags_to_fsflags(fi->i_flags);
+
+ if (IS_ENCRYPTED(inode))
+ fsflags |= FS_ENCRYPT_FL;
+ if (IS_VERITY(inode))
+ fsflags |= FS_VERITY_FL;
+ if (f2fs_has_inline_data(inode) || f2fs_has_inline_dentry(inode))
+ fsflags |= FS_INLINE_DATA_FL;
+ if (is_inode_flag_set(inode, FI_PIN_FILE))
+ fsflags |= FS_NOCOW_FL;
+
+ fsflags &= F2FS_GETTABLE_FS_FL;
+
+ return put_user(fsflags, (int __user *)arg);
+}
+
static int f2fs_ioc_setflags(struct file *filp, unsigned long arg)
{
struct inode *inode = file_inode(filp);
- unsigned int flags;
+ struct f2fs_inode_info *fi = F2FS_I(inode);
+ u32 fsflags, old_fsflags;
+ u32 iflags;
int ret;
if (!inode_owner_or_capable(inode))
return -EACCES;
- if (get_user(flags, (int __user *)arg))
+ if (get_user(fsflags, (int __user *)arg))
return -EFAULT;
+ if (fsflags & ~F2FS_GETTABLE_FS_FL)
+ return -EOPNOTSUPP;
+ fsflags &= F2FS_SETTABLE_FS_FL;
+
+ iflags = f2fs_fsflags_to_iflags(fsflags);
+ if (f2fs_mask_flags(inode->i_mode, iflags) != iflags)
+ return -EOPNOTSUPP;
+
ret = mnt_want_write_file(filp);
if (ret)
return ret;
inode_lock(inode);
- ret = __f2fs_ioc_setflags(inode, flags);
+ old_fsflags = f2fs_iflags_to_fsflags(fi->i_flags);
+ ret = vfs_ioc_setflags_prepare(inode, old_fsflags, fsflags);
+ if (ret)
+ goto out;
+ ret = f2fs_setflags_common(inode, iflags,
+ f2fs_fsflags_to_iflags(F2FS_SETTABLE_FS_FL));
+out:
inode_unlock(inode);
mnt_drop_write_file(filp);
return ret;
@@ -1632,6 +1883,8 @@ static int f2fs_ioc_getversion(struct file *filp, unsigned long arg)
static int f2fs_ioc_start_atomic_write(struct file *filp)
{
struct inode *inode = file_inode(filp);
+ struct f2fs_inode_info *fi = F2FS_I(inode);
+ struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
int ret;
if (!inode_owner_or_capable(inode))
@@ -1640,44 +1893,56 @@ static int f2fs_ioc_start_atomic_write(struct file *filp)
if (!S_ISREG(inode->i_mode))
return -EINVAL;
+ if (filp->f_flags & O_DIRECT)
+ return -EINVAL;
+
ret = mnt_want_write_file(filp);
if (ret)
return ret;
inode_lock(inode);
- down_write(&F2FS_I(inode)->dio_rwsem[WRITE]);
-
- if (f2fs_is_atomic_file(inode))
+ if (f2fs_is_atomic_file(inode)) {
+ if (is_inode_flag_set(inode, FI_ATOMIC_REVOKE_REQUEST))
+ ret = -EINVAL;
goto out;
+ }
ret = f2fs_convert_inline_inode(inode);
if (ret)
goto out;
- set_inode_flag(inode, FI_ATOMIC_FILE);
- set_inode_flag(inode, FI_HOT_DATA);
- f2fs_update_time(F2FS_I_SB(inode), REQ_TIME);
+ down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
- if (!get_dirty_pages(inode))
- goto inc_stat;
-
- f2fs_msg(F2FS_I_SB(inode)->sb, KERN_WARNING,
- "Unexpected flush for atomic writes: ino=%lu, npages=%u",
- inode->i_ino, get_dirty_pages(inode));
+ /*
+ * Should wait end_io to count F2FS_WB_CP_DATA correctly by
+ * f2fs_is_atomic_file.
+ */
+ if (get_dirty_pages(inode))
+ f2fs_warn(F2FS_I_SB(inode), "Unexpected flush for atomic writes: ino=%lu, npages=%u",
+ inode->i_ino, get_dirty_pages(inode));
ret = filemap_write_and_wait_range(inode->i_mapping, 0, LLONG_MAX);
if (ret) {
- clear_inode_flag(inode, FI_ATOMIC_FILE);
- clear_inode_flag(inode, FI_HOT_DATA);
+ up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
goto out;
}
-inc_stat:
+ spin_lock(&sbi->inode_lock[ATOMIC_FILE]);
+ if (list_empty(&fi->inmem_ilist))
+ list_add_tail(&fi->inmem_ilist, &sbi->inode_list[ATOMIC_FILE]);
+ sbi->atomic_files++;
+ spin_unlock(&sbi->inode_lock[ATOMIC_FILE]);
+
+ /* add inode in inmem_list first and set atomic_file */
+ set_inode_flag(inode, FI_ATOMIC_FILE);
+ clear_inode_flag(inode, FI_ATOMIC_REVOKE_REQUEST);
+ up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]);
+
+ f2fs_update_time(F2FS_I_SB(inode), REQ_TIME);
F2FS_I(inode)->inmem_task = current;
stat_inc_atomic_write(inode);
stat_update_max_atomic_write(inode);
out:
- up_write(&F2FS_I(inode)->dio_rwsem[WRITE]);
inode_unlock(inode);
mnt_drop_write_file(filp);
return ret;
@@ -1695,26 +1960,31 @@ static int f2fs_ioc_commit_atomic_write(struct file *filp)
if (ret)
return ret;
+ f2fs_balance_fs(F2FS_I_SB(inode), true);
+
inode_lock(inode);
- if (f2fs_is_volatile_file(inode))
+ if (f2fs_is_volatile_file(inode)) {
+ ret = -EINVAL;
goto err_out;
+ }
if (f2fs_is_atomic_file(inode)) {
- ret = commit_inmem_pages(inode);
+ ret = f2fs_commit_inmem_pages(inode);
if (ret)
goto err_out;
ret = f2fs_do_sync_file(filp, 0, LLONG_MAX, 0, true);
- if (!ret) {
- clear_inode_flag(inode, FI_ATOMIC_FILE);
- clear_inode_flag(inode, FI_HOT_DATA);
- stat_dec_atomic_write(inode);
- }
+ if (!ret)
+ f2fs_drop_inmem_pages(inode);
} else {
ret = f2fs_do_sync_file(filp, 0, LLONG_MAX, 1, false);
}
err_out:
+ if (is_inode_flag_set(inode, FI_ATOMIC_REVOKE_REQUEST)) {
+ clear_inode_flag(inode, FI_ATOMIC_REVOKE_REQUEST);
+ ret = -EINVAL;
+ }
inode_unlock(inode);
mnt_drop_write_file(filp);
return ret;
@@ -1799,13 +2069,15 @@ static int f2fs_ioc_abort_volatile_write(struct file *filp)
inode_lock(inode);
if (f2fs_is_atomic_file(inode))
- drop_inmem_pages(inode);
+ f2fs_drop_inmem_pages(inode);
if (f2fs_is_volatile_file(inode)) {
clear_inode_flag(inode, FI_VOLATILE_FILE);
stat_dec_volatile_write(inode);
ret = f2fs_do_sync_file(filp, 0, LLONG_MAX, 0, true);
}
+ clear_inode_flag(inode, FI_ATOMIC_REVOKE_REQUEST);
+
inode_unlock(inode);
mnt_drop_write_file(filp);
@@ -1836,31 +2108,58 @@ static int f2fs_ioc_shutdown(struct file *filp, unsigned long arg)
switch (in) {
case F2FS_GOING_DOWN_FULLSYNC:
sb = freeze_bdev(sb->s_bdev);
- if (sb && !IS_ERR(sb)) {
+ if (IS_ERR(sb)) {
+ ret = PTR_ERR(sb);
+ goto out;
+ }
+ if (sb) {
f2fs_stop_checkpoint(sbi, false);
+ set_sbi_flag(sbi, SBI_IS_SHUTDOWN);
thaw_bdev(sb->s_bdev, sb);
}
break;
case F2FS_GOING_DOWN_METASYNC:
/* do checkpoint only */
- f2fs_sync_fs(sb, 1);
+ ret = f2fs_sync_fs(sb, 1);
+ if (ret)
+ goto out;
f2fs_stop_checkpoint(sbi, false);
+ set_sbi_flag(sbi, SBI_IS_SHUTDOWN);
break;
case F2FS_GOING_DOWN_NOSYNC:
f2fs_stop_checkpoint(sbi, false);
+ set_sbi_flag(sbi, SBI_IS_SHUTDOWN);
break;
case F2FS_GOING_DOWN_METAFLUSH:
- sync_meta_pages(sbi, META, LONG_MAX, FS_META_IO);
+ f2fs_sync_meta_pages(sbi, META, LONG_MAX, FS_META_IO);
f2fs_stop_checkpoint(sbi, false);
+ set_sbi_flag(sbi, SBI_IS_SHUTDOWN);
break;
+ case F2FS_GOING_DOWN_NEED_FSCK:
+ set_sbi_flag(sbi, SBI_NEED_FSCK);
+ set_sbi_flag(sbi, SBI_CP_DISABLED_QUICK);
+ set_sbi_flag(sbi, SBI_IS_DIRTY);
+ /* do checkpoint only */
+ ret = f2fs_sync_fs(sb, 1);
+ goto out;
default:
ret = -EINVAL;
goto out;
}
+
+ f2fs_stop_gc_thread(sbi);
+ f2fs_stop_discard_thread(sbi);
+
+ f2fs_drop_discard_cmd(sbi);
+ clear_opt(sbi, DISCARD);
+
f2fs_update_time(sbi, REQ_TIME);
out:
if (in != F2FS_GOING_DOWN_FULLSYNC)
mnt_drop_write_file(filp);
+
+ trace_f2fs_shutdown(sbi, in, ret);
+
return ret;
}
@@ -1875,7 +2174,7 @@ static int f2fs_ioc_fitrim(struct file *filp, unsigned long arg)
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
- if (!blk_queue_discard(q))
+ if (!f2fs_hw_support_discard(F2FS_SB(sb)))
return -EOPNOTSUPP;
if (copy_from_user(&range, (struct fstrim_range __user *)arg,
@@ -1914,6 +2213,9 @@ static int f2fs_ioc_set_encryption_policy(struct file *filp, unsigned long arg)
{
struct inode *inode = file_inode(filp);
+ if (!f2fs_sb_has_encrypt(F2FS_I_SB(inode)))
+ return -EOPNOTSUPP;
+
f2fs_update_time(F2FS_I_SB(inode), REQ_TIME);
return fscrypt_ioctl_set_policy(filp, (const void __user *)arg);
@@ -1921,6 +2223,8 @@ static int f2fs_ioc_set_encryption_policy(struct file *filp, unsigned long arg)
static int f2fs_ioc_get_encryption_policy(struct file *filp, unsigned long arg)
{
+ if (!f2fs_sb_has_encrypt(F2FS_I_SB(file_inode(filp))))
+ return -EOPNOTSUPP;
return fscrypt_ioctl_get_policy(filp, (void __user *)arg);
}
@@ -1930,16 +2234,18 @@ static int f2fs_ioc_get_encryption_pwsalt(struct file *filp, unsigned long arg)
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
int err;
- if (!f2fs_sb_has_crypto(inode->i_sb))
+ if (!f2fs_sb_has_encrypt(sbi))
return -EOPNOTSUPP;
- if (uuid_is_nonzero(sbi->raw_super->encrypt_pw_salt))
- goto got_it;
-
err = mnt_want_write_file(filp);
if (err)
return err;
+ down_write(&sbi->sb_lock);
+
+ if (uuid_is_nonzero(sbi->raw_super->encrypt_pw_salt))
+ goto got_it;
+
/* update superblock with uuid */
generate_random_uuid(sbi->raw_super->encrypt_pw_salt);
@@ -1947,15 +2253,59 @@ static int f2fs_ioc_get_encryption_pwsalt(struct file *filp, unsigned long arg)
if (err) {
/* undo new data */
memset(sbi->raw_super->encrypt_pw_salt, 0, 16);
- mnt_drop_write_file(filp);
- return err;
+ goto out_err;
}
- mnt_drop_write_file(filp);
got_it:
if (copy_to_user((__u8 __user *)arg, sbi->raw_super->encrypt_pw_salt,
16))
- return -EFAULT;
- return 0;
+ err = -EFAULT;
+out_err:
+ up_write(&sbi->sb_lock);
+ mnt_drop_write_file(filp);
+ return err;
+}
+
+static int f2fs_ioc_get_encryption_policy_ex(struct file *filp,
+ unsigned long arg)
+{
+ if (!f2fs_sb_has_encrypt(F2FS_I_SB(file_inode(filp))))
+ return -EOPNOTSUPP;
+
+ return fscrypt_ioctl_get_policy_ex(filp, (void __user *)arg);
+}
+
+static int f2fs_ioc_add_encryption_key(struct file *filp, unsigned long arg)
+{
+ if (!f2fs_sb_has_encrypt(F2FS_I_SB(file_inode(filp))))
+ return -EOPNOTSUPP;
+
+ return fscrypt_ioctl_add_key(filp, (void __user *)arg);
+}
+
+static int f2fs_ioc_remove_encryption_key(struct file *filp, unsigned long arg)
+{
+ if (!f2fs_sb_has_encrypt(F2FS_I_SB(file_inode(filp))))
+ return -EOPNOTSUPP;
+
+ return fscrypt_ioctl_remove_key(filp, (void __user *)arg);
+}
+
+static int f2fs_ioc_remove_encryption_key_all_users(struct file *filp,
+ unsigned long arg)
+{
+ if (!f2fs_sb_has_encrypt(F2FS_I_SB(file_inode(filp))))
+ return -EOPNOTSUPP;
+
+ return fscrypt_ioctl_remove_key_all_users(filp, (void __user *)arg);
+}
+
+static int f2fs_ioc_get_encryption_key_status(struct file *filp,
+ unsigned long arg)
+{
+ if (!f2fs_sb_has_encrypt(F2FS_I_SB(file_inode(filp))))
+ return -EOPNOTSUPP;
+
+ return fscrypt_ioctl_get_key_status(filp, (void __user *)arg);
}
static int f2fs_ioc_gc(struct file *filp, unsigned long arg)
@@ -2011,13 +2361,15 @@ static int f2fs_ioc_gc_range(struct file *filp, unsigned long arg)
if (f2fs_readonly(sbi->sb))
return -EROFS;
+ end = range.start + range.len;
+ if (end < range.start || range.start < MAIN_BLKADDR(sbi) ||
+ end >= MAX_BLKADDR(sbi))
+ return -EINVAL;
+
ret = mnt_want_write_file(filp);
if (ret)
return ret;
- end = range.start + range.len;
- if (range.start < MAIN_BLKADDR(sbi) || end >= MAX_BLKADDR(sbi))
- return -EINVAL;
do_more:
if (!range.sync) {
if (!mutex_trylock(&sbi->gc_mutex)) {
@@ -2049,6 +2401,11 @@ static int f2fs_ioc_write_checkpoint(struct file *filp, unsigned long arg)
if (f2fs_readonly(sbi->sb))
return -EROFS;
+ if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) {
+ f2fs_info(sbi, "Skipping Checkpoint. Checkpoints currently disabled.");
+ return -EINVAL;
+ }
+
ret = mnt_want_write_file(filp);
if (ret)
return ret;
@@ -2064,9 +2421,11 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
struct f2fs_defragment *range)
{
struct inode *inode = file_inode(filp);
- struct f2fs_map_blocks map = { .m_next_pgofs = NULL };
- struct extent_info ei = {0,0,0};
- pgoff_t pg_start, pg_end;
+ struct f2fs_map_blocks map = { .m_next_extent = NULL,
+ .m_seg_type = NO_CHECK_TYPE ,
+ .m_may_create = false };
+ struct extent_info ei = {0, 0, 0};
+ pgoff_t pg_start, pg_end, next_pgofs;
unsigned int blk_per_seg = sbi->blocks_per_seg;
unsigned int total = 0, sec_num;
block_t blk_end = 0;
@@ -2074,7 +2433,7 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
int err;
/* if in-place-update policy is enabled, don't waste time here */
- if (need_inplace_update_policy(inode, NULL))
+ if (f2fs_should_update_inplace(inode, NULL))
return -EINVAL;
pg_start = range->start >> PAGE_SHIFT;
@@ -2100,6 +2459,7 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
}
map.m_lblk = pg_start;
+ map.m_next_pgofs = &next_pgofs;
/*
* lookup mapping info in dnode page cache, skip defragmenting if all
@@ -2113,26 +2473,27 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
goto out;
if (!(map.m_flags & F2FS_MAP_FLAGS)) {
- map.m_lblk++;
+ map.m_lblk = next_pgofs;
continue;
}
- if (blk_end && blk_end != map.m_pblk) {
+ if (blk_end && blk_end != map.m_pblk)
fragmented = true;
- break;
- }
+
+ /* record total count of block that we're going to move */
+ total += map.m_len;
+
blk_end = map.m_pblk + map.m_len;
map.m_lblk += map.m_len;
}
- if (!fragmented)
+ if (!fragmented) {
+ total = 0;
goto out;
+ }
- map.m_lblk = pg_start;
- map.m_len = pg_end - pg_start;
-
- sec_num = (map.m_len + BLKS_PER_SEC(sbi) - 1) / BLKS_PER_SEC(sbi);
+ sec_num = DIV_ROUND_UP(total, BLKS_PER_SEC(sbi));
/*
* make sure there are enough free section for LFS allocation, this can
@@ -2144,6 +2505,10 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi,
goto out;
}
+ map.m_lblk = pg_start;
+ map.m_len = pg_end - pg_start;
+ total = 0;
+
while (map.m_lblk < pg_end) {
pgoff_t idx;
int cnt = 0;
@@ -2155,8 +2520,8 @@ do_map:
goto clear_out;
if (!(map.m_flags & F2FS_MAP_FLAGS)) {
- map.m_lblk++;
- continue;
+ map.m_lblk = next_pgofs;
+ goto check;
}
set_inode_flag(inode, FI_DO_DEFRAG);
@@ -2165,7 +2530,7 @@ do_map:
while (idx < map.m_lblk + map.m_len && cnt < blk_per_seg) {
struct page *page;
- page = get_lock_data_page(inode, idx, true);
+ page = f2fs_get_lock_data_page(inode, idx, true);
if (IS_ERR(page)) {
err = PTR_ERR(page);
goto clear_out;
@@ -2180,8 +2545,8 @@ do_map:
}
map.m_lblk = idx;
-
- if (idx < pg_end && cnt < blk_per_seg)
+check:
+ if (map.m_lblk < pg_end && cnt < blk_per_seg)
goto do_map;
clear_inode_flag(inode, FI_DO_DEFRAG);
@@ -2265,7 +2630,7 @@ static int f2fs_move_file_range(struct file *file_in, loff_t pos_in,
if (!S_ISREG(src->i_mode) || !S_ISREG(dst->i_mode))
return -EINVAL;
- if (f2fs_encrypted_inode(src) || f2fs_encrypted_inode(dst))
+ if (IS_ENCRYPTED(src) || IS_ENCRYPTED(dst))
return -EOPNOTSUPP;
if (src == dst) {
@@ -2277,10 +2642,9 @@ static int f2fs_move_file_range(struct file *file_in, loff_t pos_in,
inode_lock(src);
if (src != dst) {
- if (!inode_trylock(dst)) {
- ret = -EBUSY;
+ ret = -EBUSY;
+ if (!inode_trylock(dst))
goto out;
- }
}
ret = -EINVAL;
@@ -2325,6 +2689,14 @@ static int f2fs_move_file_range(struct file *file_in, loff_t pos_in,
goto out_unlock;
f2fs_balance_fs(sbi, true);
+
+ down_write(&F2FS_I(src)->i_gc_rwsem[WRITE]);
+ if (src != dst) {
+ ret = -EBUSY;
+ if (!down_write_trylock(&F2FS_I(dst)->i_gc_rwsem[WRITE]))
+ goto out_src;
+ }
+
f2fs_lock_op(sbi);
ret = __exchange_data_block(src, dst, pos_in >> F2FS_BLKSIZE_BITS,
pos_out >> F2FS_BLKSIZE_BITS,
@@ -2337,6 +2709,11 @@ static int f2fs_move_file_range(struct file *file_in, loff_t pos_in,
f2fs_i_size_write(dst, dst_osize);
}
f2fs_unlock_op(sbi);
+
+ if (src != dst)
+ up_write(&F2FS_I(dst)->i_gc_rwsem[WRITE]);
+out_src:
+ up_write(&F2FS_I(src)->i_gc_rwsem[WRITE]);
out_unlock:
if (src != dst)
inode_unlock(dst);
@@ -2403,16 +2780,17 @@ static int f2fs_ioc_flush_device(struct file *filp, unsigned long arg)
if (f2fs_readonly(sbi->sb))
return -EROFS;
+ if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED)))
+ return -EINVAL;
+
if (copy_from_user(&range, (struct f2fs_flush_device __user *)arg,
sizeof(range)))
return -EFAULT;
if (!f2fs_is_multi_device(sbi) || sbi->s_ndevs - 1 <= range.dev_num ||
- sbi->segs_per_sec != 1) {
- f2fs_msg(sbi->sb, KERN_WARNING,
- "Can't flush %u in %d for segs_per_sec %u != 1\n",
- range.dev_num, sbi->s_ndevs,
- sbi->segs_per_sec);
+ __is_large_section(sbi)) {
+ f2fs_warn(sbi, "Can't flush %u in %d for segs_per_sec %u != 1",
+ range.dev_num, sbi->s_ndevs, sbi->segs_per_sec);
return -EINVAL;
}
@@ -2461,18 +2839,33 @@ static int f2fs_ioc_get_features(struct file *filp, unsigned long arg)
}
#ifdef CONFIG_QUOTA
+int f2fs_transfer_project_quota(struct inode *inode, kprojid_t kprojid)
+{
+ struct dquot *transfer_to[MAXQUOTAS] = {};
+ struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
+ struct super_block *sb = sbi->sb;
+ int err = 0;
+
+ transfer_to[PRJQUOTA] = dqget(sb, make_kqid_projid(kprojid));
+ if (!IS_ERR(transfer_to[PRJQUOTA])) {
+ err = __dquot_transfer(inode, transfer_to);
+ if (err)
+ set_sbi_flag(sbi, SBI_QUOTA_NEED_REPAIR);
+ dqput(transfer_to[PRJQUOTA]);
+ }
+ return err;
+}
+
static int f2fs_ioc_setproject(struct file *filp, __u32 projid)
{
struct inode *inode = file_inode(filp);
struct f2fs_inode_info *fi = F2FS_I(inode);
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
- struct super_block *sb = sbi->sb;
- struct dquot *transfer_to[MAXQUOTAS] = {};
struct page *ipage;
kprojid_t kprojid;
int err;
- if (!f2fs_sb_has_project_quota(sb)) {
+ if (!f2fs_sb_has_project_quota(sbi)) {
if (projid != F2FS_DEF_PROJID)
return -EOPNOTSUPP;
else
@@ -2487,53 +2880,45 @@ static int f2fs_ioc_setproject(struct file *filp, __u32 projid)
if (projid_eq(kprojid, F2FS_I(inode)->i_projid))
return 0;
- err = mnt_want_write_file(filp);
- if (err)
- return err;
-
err = -EPERM;
- inode_lock(inode);
-
/* Is it quota file? Do not allow user to mess with it */
if (IS_NOQUOTA(inode))
- goto out_unlock;
+ return err;
- ipage = get_node_page(sbi, inode->i_ino);
- if (IS_ERR(ipage)) {
- err = PTR_ERR(ipage);
- goto out_unlock;
- }
+ ipage = f2fs_get_node_page(sbi, inode->i_ino);
+ if (IS_ERR(ipage))
+ return PTR_ERR(ipage);
if (!F2FS_FITS_IN_INODE(F2FS_INODE(ipage), fi->i_extra_isize,
i_projid)) {
err = -EOVERFLOW;
f2fs_put_page(ipage, 1);
- goto out_unlock;
+ return err;
}
f2fs_put_page(ipage, 1);
err = dquot_initialize(inode);
if (err)
- goto out_unlock;
+ return err;
- transfer_to[PRJQUOTA] = dqget(sb, make_kqid_projid(kprojid));
- if (!IS_ERR(transfer_to[PRJQUOTA])) {
- err = __dquot_transfer(inode, transfer_to);
- dqput(transfer_to[PRJQUOTA]);
- if (err)
- goto out_dirty;
- }
+ f2fs_lock_op(sbi);
+ err = f2fs_transfer_project_quota(inode, kprojid);
+ if (err)
+ goto out_unlock;
F2FS_I(inode)->i_projid = kprojid;
inode->i_ctime = current_time(inode);
-out_dirty:
f2fs_mark_inode_dirty_sync(inode, true);
out_unlock:
- inode_unlock(inode);
- mnt_drop_write_file(filp);
+ f2fs_unlock_op(sbi);
return err;
}
#else
+int f2fs_transfer_project_quota(struct inode *inode, kprojid_t kprojid)
+{
+ return 0;
+}
+
static int f2fs_ioc_setproject(struct file *filp, __u32 projid)
{
if (projid != F2FS_DEF_PROJID)
@@ -2542,72 +2927,76 @@ static int f2fs_ioc_setproject(struct file *filp, __u32 projid)
}
#endif
-/* Transfer internal flags to xflags */
-static inline __u32 f2fs_iflags_to_xflags(unsigned long iflags)
-{
- __u32 xflags = 0;
-
- if (iflags & FS_SYNC_FL)
- xflags |= FS_XFLAG_SYNC;
- if (iflags & FS_IMMUTABLE_FL)
- xflags |= FS_XFLAG_IMMUTABLE;
- if (iflags & FS_APPEND_FL)
- xflags |= FS_XFLAG_APPEND;
- if (iflags & FS_NODUMP_FL)
- xflags |= FS_XFLAG_NODUMP;
- if (iflags & FS_NOATIME_FL)
- xflags |= FS_XFLAG_NOATIME;
- if (iflags & FS_PROJINHERIT_FL)
- xflags |= FS_XFLAG_PROJINHERIT;
+/* FS_IOC_FSGETXATTR and FS_IOC_FSSETXATTR support */
+
+/*
+ * To make a new on-disk f2fs i_flag gettable via FS_IOC_FSGETXATTR and settable
+ * via FS_IOC_FSSETXATTR, add an entry for it to f2fs_xflags_map[], and add its
+ * FS_XFLAG_* equivalent to F2FS_SUPPORTED_XFLAGS.
+ */
+
+static const struct {
+ u32 iflag;
+ u32 xflag;
+} f2fs_xflags_map[] = {
+ { F2FS_SYNC_FL, FS_XFLAG_SYNC },
+ { F2FS_IMMUTABLE_FL, FS_XFLAG_IMMUTABLE },
+ { F2FS_APPEND_FL, FS_XFLAG_APPEND },
+ { F2FS_NODUMP_FL, FS_XFLAG_NODUMP },
+ { F2FS_NOATIME_FL, FS_XFLAG_NOATIME },
+ { F2FS_PROJINHERIT_FL, FS_XFLAG_PROJINHERIT },
+};
+
+#define F2FS_SUPPORTED_XFLAGS ( \
+ FS_XFLAG_SYNC | \
+ FS_XFLAG_IMMUTABLE | \
+ FS_XFLAG_APPEND | \
+ FS_XFLAG_NODUMP | \
+ FS_XFLAG_NOATIME | \
+ FS_XFLAG_PROJINHERIT)
+
+/* Convert f2fs on-disk i_flags to FS_IOC_FS{GET,SET}XATTR flags */
+static inline u32 f2fs_iflags_to_xflags(u32 iflags)
+{
+ u32 xflags = 0;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(f2fs_xflags_map); i++)
+ if (iflags & f2fs_xflags_map[i].iflag)
+ xflags |= f2fs_xflags_map[i].xflag;
+
return xflags;
}
-#define F2FS_SUPPORTED_FS_XFLAGS (FS_XFLAG_SYNC | FS_XFLAG_IMMUTABLE | \
- FS_XFLAG_APPEND | FS_XFLAG_NODUMP | \
- FS_XFLAG_NOATIME | FS_XFLAG_PROJINHERIT)
-
-/* Flags we can manipulate with through EXT4_IOC_FSSETXATTR */
-#define F2FS_FL_XFLAG_VISIBLE (FS_SYNC_FL | \
- FS_IMMUTABLE_FL | \
- FS_APPEND_FL | \
- FS_NODUMP_FL | \
- FS_NOATIME_FL | \
- FS_PROJINHERIT_FL)
-
-/* Transfer xflags flags to internal */
-static inline unsigned long f2fs_xflags_to_iflags(__u32 xflags)
-{
- unsigned long iflags = 0;
-
- if (xflags & FS_XFLAG_SYNC)
- iflags |= FS_SYNC_FL;
- if (xflags & FS_XFLAG_IMMUTABLE)
- iflags |= FS_IMMUTABLE_FL;
- if (xflags & FS_XFLAG_APPEND)
- iflags |= FS_APPEND_FL;
- if (xflags & FS_XFLAG_NODUMP)
- iflags |= FS_NODUMP_FL;
- if (xflags & FS_XFLAG_NOATIME)
- iflags |= FS_NOATIME_FL;
- if (xflags & FS_XFLAG_PROJINHERIT)
- iflags |= FS_PROJINHERIT_FL;
+/* Convert FS_IOC_FS{GET,SET}XATTR flags to f2fs on-disk i_flags */
+static inline u32 f2fs_xflags_to_iflags(u32 xflags)
+{
+ u32 iflags = 0;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(f2fs_xflags_map); i++)
+ if (xflags & f2fs_xflags_map[i].xflag)
+ iflags |= f2fs_xflags_map[i].iflag;
return iflags;
}
+static void f2fs_fill_fsxattr(struct inode *inode, struct fsxattr *fa)
+{
+ struct f2fs_inode_info *fi = F2FS_I(inode);
+
+ simple_fill_fsxattr(fa, f2fs_iflags_to_xflags(fi->i_flags));
+
+ if (f2fs_sb_has_project_quota(F2FS_I_SB(inode)))
+ fa->fsx_projid = from_kprojid(&init_user_ns, fi->i_projid);
+}
+
static int f2fs_ioc_fsgetxattr(struct file *filp, unsigned long arg)
{
struct inode *inode = file_inode(filp);
- struct f2fs_inode_info *fi = F2FS_I(inode);
struct fsxattr fa;
- memset(&fa, 0, sizeof(struct fsxattr));
- fa.fsx_xflags = f2fs_iflags_to_xflags(fi->i_flags &
- (FS_FL_USER_VISIBLE | FS_PROJINHERIT_FL));
-
- if (f2fs_sb_has_project_quota(inode->i_sb))
- fa.fsx_projid = (__u32)from_kprojid(&init_user_ns,
- fi->i_projid);
+ f2fs_fill_fsxattr(inode, &fa);
if (copy_to_user((struct fsxattr __user *)arg, &fa, sizeof(fa)))
return -EFAULT;
@@ -2617,9 +3006,8 @@ static int f2fs_ioc_fsgetxattr(struct file *filp, unsigned long arg)
static int f2fs_ioc_fssetxattr(struct file *filp, unsigned long arg)
{
struct inode *inode = file_inode(filp);
- struct f2fs_inode_info *fi = F2FS_I(inode);
- struct fsxattr fa;
- unsigned int flags;
+ struct fsxattr fa, old_fa;
+ u32 iflags;
int err;
if (copy_from_user(&fa, (struct fsxattr __user *)arg, sizeof(fa)))
@@ -2629,11 +3017,11 @@ static int f2fs_ioc_fssetxattr(struct file *filp, unsigned long arg)
if (!inode_owner_or_capable(inode))
return -EACCES;
- if (fa.fsx_xflags & ~F2FS_SUPPORTED_FS_XFLAGS)
+ if (fa.fsx_xflags & ~F2FS_SUPPORTED_XFLAGS)
return -EOPNOTSUPP;
- flags = f2fs_xflags_to_iflags(fa.fsx_xflags);
- if (f2fs_mask_flags(inode->i_mode, flags) != flags)
+ iflags = f2fs_xflags_to_iflags(fa.fsx_xflags);
+ if (f2fs_mask_flags(inode->i_mode, iflags) != iflags)
return -EOPNOTSUPP;
err = mnt_want_write_file(filp);
@@ -2641,23 +3029,194 @@ static int f2fs_ioc_fssetxattr(struct file *filp, unsigned long arg)
return err;
inode_lock(inode);
- flags = (fi->i_flags & ~F2FS_FL_XFLAG_VISIBLE) |
- (flags & F2FS_FL_XFLAG_VISIBLE);
- err = __f2fs_ioc_setflags(inode, flags);
- inode_unlock(inode);
- mnt_drop_write_file(filp);
+
+ f2fs_fill_fsxattr(inode, &old_fa);
+ err = vfs_ioc_fssetxattr_check(inode, &old_fa, &fa);
if (err)
- return err;
+ goto out;
- err = f2fs_ioc_setproject(filp, fa.fsx_projid);
+ err = f2fs_setflags_common(inode, iflags,
+ f2fs_xflags_to_iflags(F2FS_SUPPORTED_XFLAGS));
if (err)
- return err;
+ goto out;
+
+ err = f2fs_ioc_setproject(filp, fa.fsx_projid);
+out:
+ inode_unlock(inode);
+ mnt_drop_write_file(filp);
+ return err;
+}
+
+int f2fs_pin_file_control(struct inode *inode, bool inc)
+{
+ struct f2fs_inode_info *fi = F2FS_I(inode);
+ struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
+ /* Use i_gc_failures for normal file as a risk signal. */
+ if (inc)
+ f2fs_i_gc_failures_write(inode,
+ fi->i_gc_failures[GC_FAILURE_PIN] + 1);
+
+ if (fi->i_gc_failures[GC_FAILURE_PIN] > sbi->gc_pin_file_threshold) {
+ f2fs_warn(sbi, "%s: Enable GC = ino %lx after %x GC trials",
+ __func__, inode->i_ino,
+ fi->i_gc_failures[GC_FAILURE_PIN]);
+ clear_inode_flag(inode, FI_PIN_FILE);
+ return -EAGAIN;
+ }
return 0;
}
+static int f2fs_ioc_set_pin_file(struct file *filp, unsigned long arg)
+{
+ struct inode *inode = file_inode(filp);
+ __u32 pin;
+ int ret = 0;
+
+ if (get_user(pin, (__u32 __user *)arg))
+ return -EFAULT;
+
+ if (!S_ISREG(inode->i_mode))
+ return -EINVAL;
+
+ if (f2fs_readonly(F2FS_I_SB(inode)->sb))
+ return -EROFS;
+
+ ret = mnt_want_write_file(filp);
+ if (ret)
+ return ret;
+
+ inode_lock(inode);
+
+ if (f2fs_should_update_outplace(inode, NULL)) {
+ ret = -EINVAL;
+ goto out;
+ }
+
+ if (!pin) {
+ clear_inode_flag(inode, FI_PIN_FILE);
+ f2fs_i_gc_failures_write(inode, 0);
+ goto done;
+ }
+
+ if (f2fs_pin_file_control(inode, false)) {
+ ret = -EAGAIN;
+ goto out;
+ }
+ ret = f2fs_convert_inline_inode(inode);
+ if (ret)
+ goto out;
+
+ set_inode_flag(inode, FI_PIN_FILE);
+ ret = F2FS_I(inode)->i_gc_failures[GC_FAILURE_PIN];
+done:
+ f2fs_update_time(F2FS_I_SB(inode), REQ_TIME);
+out:
+ inode_unlock(inode);
+ mnt_drop_write_file(filp);
+ return ret;
+}
+
+static int f2fs_ioc_get_pin_file(struct file *filp, unsigned long arg)
+{
+ struct inode *inode = file_inode(filp);
+ __u32 pin = 0;
+
+ if (is_inode_flag_set(inode, FI_PIN_FILE))
+ pin = F2FS_I(inode)->i_gc_failures[GC_FAILURE_PIN];
+ return put_user(pin, (u32 __user *)arg);
+}
+
+int f2fs_precache_extents(struct inode *inode)
+{
+ struct f2fs_inode_info *fi = F2FS_I(inode);
+ struct f2fs_map_blocks map;
+ pgoff_t m_next_extent;
+ loff_t end;
+ int err;
+
+ if (is_inode_flag_set(inode, FI_NO_EXTENT))
+ return -EOPNOTSUPP;
+
+ map.m_lblk = 0;
+ map.m_next_pgofs = NULL;
+ map.m_next_extent = &m_next_extent;
+ map.m_seg_type = NO_CHECK_TYPE;
+ map.m_may_create = false;
+ end = F2FS_I_SB(inode)->max_file_blocks;
+
+ while (map.m_lblk < end) {
+ map.m_len = end - map.m_lblk;
+
+ down_write(&fi->i_gc_rwsem[WRITE]);
+ err = f2fs_map_blocks(inode, &map, 0, F2FS_GET_BLOCK_PRECACHE);
+ up_write(&fi->i_gc_rwsem[WRITE]);
+ if (err)
+ return err;
+
+ map.m_lblk = m_next_extent;
+ }
+
+ return err;
+}
+
+static int f2fs_ioc_precache_extents(struct file *filp, unsigned long arg)
+{
+ return f2fs_precache_extents(file_inode(filp));
+}
+
+static int f2fs_ioc_resize_fs(struct file *filp, unsigned long arg)
+{
+ struct f2fs_sb_info *sbi = F2FS_I_SB(file_inode(filp));
+ __u64 block_count;
+ int ret;
+
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+
+ if (f2fs_readonly(sbi->sb))
+ return -EROFS;
+
+ if (copy_from_user(&block_count, (void __user *)arg,
+ sizeof(block_count)))
+ return -EFAULT;
+
+ ret = f2fs_resize_fs(sbi, block_count);
+
+ return ret;
+}
+
+static int f2fs_ioc_enable_verity(struct file *filp, unsigned long arg)
+{
+ struct inode *inode = file_inode(filp);
+
+ f2fs_update_time(F2FS_I_SB(inode), REQ_TIME);
+
+ if (!f2fs_sb_has_verity(F2FS_I_SB(inode))) {
+ f2fs_warn(F2FS_I_SB(inode),
+ "Can't enable fs-verity on inode %lu: the verity feature is not enabled on this filesystem.\n",
+ inode->i_ino);
+ return -EOPNOTSUPP;
+ }
+
+ return fsverity_ioctl_enable(filp, (const void __user *)arg);
+}
+
+static int f2fs_ioc_measure_verity(struct file *filp, unsigned long arg)
+{
+ if (!f2fs_sb_has_verity(F2FS_I_SB(file_inode(filp))))
+ return -EOPNOTSUPP;
+
+ return fsverity_ioctl_measure(filp, (void __user *)arg);
+}
+
long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
+ if (unlikely(f2fs_cp_error(F2FS_I_SB(file_inode(filp)))))
+ return -EIO;
+ if (!f2fs_is_checkpoint_ready(F2FS_I_SB(file_inode(filp))))
+ return -ENOSPC;
+
switch (cmd) {
case F2FS_IOC_GETFLAGS:
return f2fs_ioc_getflags(filp, arg);
@@ -2685,6 +3244,16 @@ long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
return f2fs_ioc_get_encryption_policy(filp, arg);
case F2FS_IOC_GET_ENCRYPTION_PWSALT:
return f2fs_ioc_get_encryption_pwsalt(filp, arg);
+ case FS_IOC_GET_ENCRYPTION_POLICY_EX:
+ return f2fs_ioc_get_encryption_policy_ex(filp, arg);
+ case FS_IOC_ADD_ENCRYPTION_KEY:
+ return f2fs_ioc_add_encryption_key(filp, arg);
+ case FS_IOC_REMOVE_ENCRYPTION_KEY:
+ return f2fs_ioc_remove_encryption_key(filp, arg);
+ case FS_IOC_REMOVE_ENCRYPTION_KEY_ALL_USERS:
+ return f2fs_ioc_remove_encryption_key_all_users(filp, arg);
+ case FS_IOC_GET_ENCRYPTION_KEY_STATUS:
+ return f2fs_ioc_get_encryption_key_status(filp, arg);
case F2FS_IOC_GARBAGE_COLLECT:
return f2fs_ioc_gc(filp, arg);
case F2FS_IOC_GARBAGE_COLLECT_RANGE:
@@ -2703,6 +3272,18 @@ long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
return f2fs_ioc_fsgetxattr(filp, arg);
case F2FS_IOC_FSSETXATTR:
return f2fs_ioc_fssetxattr(filp, arg);
+ case F2FS_IOC_GET_PIN_FILE:
+ return f2fs_ioc_get_pin_file(filp, arg);
+ case F2FS_IOC_SET_PIN_FILE:
+ return f2fs_ioc_set_pin_file(filp, arg);
+ case F2FS_IOC_PRECACHE_EXTENTS:
+ return f2fs_ioc_precache_extents(filp, arg);
+ case F2FS_IOC_RESIZE_FS:
+ return f2fs_ioc_resize_fs(filp, arg);
+ case FS_IOC_ENABLE_VERITY:
+ return f2fs_ioc_enable_verity(filp, arg);
+ case FS_IOC_MEASURE_VERITY:
+ return f2fs_ioc_measure_verity(filp, arg);
default:
return -ENOTTY;
}
@@ -2712,10 +3293,22 @@ static ssize_t f2fs_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
{
struct file *file = iocb->ki_filp;
struct inode *inode = file_inode(file);
- struct blk_plug plug;
ssize_t ret;
- inode_lock(inode);
+ if (unlikely(f2fs_cp_error(F2FS_I_SB(inode)))) {
+ ret = -EIO;
+ goto out;
+ }
+
+ if (iocb->ki_flags & IOCB_NOWAIT) {
+ if (!inode_trylock(inode)) {
+ ret = -EAGAIN;
+ goto out;
+ }
+ } else {
+ inode_lock(inode);
+ }
+
ret = generic_write_checks(iocb, from);
if (ret > 0) {
bool preallocated = false;
@@ -2725,18 +3318,29 @@ static ssize_t f2fs_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
if (iov_iter_fault_in_readable(from, iov_iter_count(from)))
set_inode_flag(inode, FI_NO_PREALLOC);
- preallocated = true;
- target_size = iocb->ki_pos + iov_iter_count(from);
-
- err = f2fs_preallocate_blocks(iocb, from);
- if (err) {
- clear_inode_flag(inode, FI_NO_PREALLOC);
- inode_unlock(inode);
- return err;
+ if ((iocb->ki_flags & IOCB_NOWAIT)) {
+ if (!f2fs_overwrite_io(inode, iocb->ki_pos,
+ iov_iter_count(from)) ||
+ f2fs_has_inline_data(inode) ||
+ f2fs_force_buffered_io(inode, iocb, from)) {
+ clear_inode_flag(inode, FI_NO_PREALLOC);
+ inode_unlock(inode);
+ ret = -EAGAIN;
+ goto out;
+ }
+ } else {
+ preallocated = true;
+ target_size = iocb->ki_pos + iov_iter_count(from);
+
+ err = f2fs_preallocate_blocks(iocb, from);
+ if (err) {
+ clear_inode_flag(inode, FI_NO_PREALLOC);
+ inode_unlock(inode);
+ ret = err;
+ goto out;
+ }
}
- blk_start_plug(&plug);
ret = __generic_file_write_iter(iocb, from);
- blk_finish_plug(&plug);
clear_inode_flag(inode, FI_NO_PREALLOC);
/* if we couldn't write data, we should deallocate blocks. */
@@ -2747,7 +3351,9 @@ static ssize_t f2fs_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
f2fs_update_iostat(F2FS_I_SB(inode), APP_WRITE_IO, ret);
}
inode_unlock(inode);
-
+out:
+ trace_f2fs_file_write_iter(inode, iocb->ki_pos,
+ iov_iter_count(from), ret);
if (ret > 0)
ret = generic_write_sync(iocb, ret);
return ret;
@@ -2775,6 +3381,11 @@ long f2fs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
case F2FS_IOC_SET_ENCRYPTION_POLICY:
case F2FS_IOC_GET_ENCRYPTION_PWSALT:
case F2FS_IOC_GET_ENCRYPTION_POLICY:
+ case FS_IOC_GET_ENCRYPTION_POLICY_EX:
+ case FS_IOC_ADD_ENCRYPTION_KEY:
+ case FS_IOC_REMOVE_ENCRYPTION_KEY:
+ case FS_IOC_REMOVE_ENCRYPTION_KEY_ALL_USERS:
+ case FS_IOC_GET_ENCRYPTION_KEY_STATUS:
case F2FS_IOC_GARBAGE_COLLECT:
case F2FS_IOC_GARBAGE_COLLECT_RANGE:
case F2FS_IOC_WRITE_CHECKPOINT:
@@ -2784,6 +3395,12 @@ long f2fs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
case F2FS_IOC_GET_FEATURES:
case F2FS_IOC_FSGETXATTR:
case F2FS_IOC_FSSETXATTR:
+ case F2FS_IOC_GET_PIN_FILE:
+ case F2FS_IOC_SET_PIN_FILE:
+ case F2FS_IOC_PRECACHE_EXTENTS:
+ case F2FS_IOC_RESIZE_FS:
+ case FS_IOC_ENABLE_VERITY:
+ case FS_IOC_MEASURE_VERITY:
break;
default:
return -ENOIOCTLCMD;