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authorTheodore Ts'o <tytso@mit.edu>2010-12-15 20:30:48 -0500
committerTheodore Ts'o <tytso@mit.edu>2010-12-15 20:30:48 -0500
commita2595b8aa67011419dae26b47e474f46df902989 (patch)
treed44d79256f92f32b7958a04e89907f7e1a755767 /fs/ext4
parent673c610033a8202c037ecd068c7a235495acda17 (diff)
ext4: Add second mount options field since the s_mount_opt is full up
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/ext4')
-rw-r--r--fs/ext4/ext4.h8
-rw-r--r--fs/ext4/super.c7
2 files changed, 13 insertions, 2 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index ddae3c43513..17baecbf8cd 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -908,6 +908,13 @@ struct ext4_inode_info {
#define test_opt(sb, opt) (EXT4_SB(sb)->s_mount_opt & \
EXT4_MOUNT_##opt)
+#define clear_opt2(sb, opt) EXT4_SB(sb)->s_mount_opt2 &= \
+ ~EXT4_MOUNT2_##opt
+#define set_opt2(sb, opt) EXT4_SB(sb)->s_mount_opt2 |= \
+ EXT4_MOUNT2_##opt
+#define test_opt2(sb, opt) (EXT4_SB(sb)->s_mount_opt2 & \
+ EXT4_MOUNT2_##opt)
+
#define ext4_set_bit ext2_set_bit
#define ext4_set_bit_atomic ext2_set_bit_atomic
#define ext4_clear_bit ext2_clear_bit
@@ -1073,6 +1080,7 @@ struct ext4_sb_info {
struct ext4_super_block *s_es; /* Pointer to the super block in the buffer */
struct buffer_head **s_group_desc;
unsigned int s_mount_opt;
+ unsigned int s_mount_opt2;
unsigned int s_mount_flags;
ext4_fsblk_t s_sb_block;
uid_t s_resuid;
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 7aa3a790363..072ff973ff2 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1895,12 +1895,12 @@ static int ext4_setup_super(struct super_block *sb, struct ext4_super_block *es,
ext4_commit_super(sb, 1);
if (test_opt(sb, DEBUG))
printk(KERN_INFO "[EXT4 FS bs=%lu, gc=%u, "
- "bpg=%lu, ipg=%lu, mo=%04x]\n",
+ "bpg=%lu, ipg=%lu, mo=%04x, mo2=%04x]\n",
sb->s_blocksize,
sbi->s_groups_count,
EXT4_BLOCKS_PER_GROUP(sb),
EXT4_INODES_PER_GROUP(sb),
- sbi->s_mount_opt);
+ sbi->s_mount_opt, sbi->s_mount_opt2);
return res;
}
@@ -4171,6 +4171,7 @@ static int ext4_unfreeze(struct super_block *sb)
*/
struct ext4_mount_options {
unsigned long s_mount_opt;
+ unsigned long s_mount_opt2;
uid_t s_resuid;
gid_t s_resgid;
unsigned long s_commit_interval;
@@ -4201,6 +4202,7 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
lock_super(sb);
old_sb_flags = sb->s_flags;
old_opts.s_mount_opt = sbi->s_mount_opt;
+ old_opts.s_mount_opt2 = sbi->s_mount_opt2;
old_opts.s_resuid = sbi->s_resuid;
old_opts.s_resgid = sbi->s_resgid;
old_opts.s_commit_interval = sbi->s_commit_interval;
@@ -4354,6 +4356,7 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
restore_opts:
sb->s_flags = old_sb_flags;
sbi->s_mount_opt = old_opts.s_mount_opt;
+ sbi->s_mount_opt2 = old_opts.s_mount_opt2;
sbi->s_resuid = old_opts.s_resuid;
sbi->s_resgid = old_opts.s_resgid;
sbi->s_commit_interval = old_opts.s_commit_interval;