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ext4: convert last user of ext4_mark_super_dirty() to ext4_handle_dirty_super()

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The last user of ext4_mark_super_dirty() in ext4_file_open() is so
rare it can well be modifying the superblock properly by journalling
the change.  Change it and get rid of ext4_mark_super_dirty() as it's
not needed anymore.

Artem: small amendments.
Artem: tested using xfstests for both journalled and non-journalled ext4.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Tested-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
This commit is contained in:
Jan Kara 2012-07-22 20:31:31 -04:00 committed by Theodore Ts'o
parent 97a7406880
commit 044ce47fec
2 changed files with 13 additions and 10 deletions
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9
fs/ext4/ext4.h
View File

@ -2328,15 +2328,6 @@ static inline void ext4_unlock_group(struct super_block *sb,
spin_unlock(ext4_group_lock_ptr(sb, group));
}
static inline void ext4_mark_super_dirty(struct super_block *sb)
{
struct ext4_super_block *es = EXT4_SB(sb)->s_es;
ext4_superblock_csum_set(sb, es);
if (EXT4_SB(sb)->s_journal == NULL)
sb->s_dirt =1;
}
/*
* Block validity checking
*/

14
fs/ext4/file.c
View File

@ -244,9 +244,21 @@ static int ext4_file_open(struct inode * inode, struct file * filp)
path.dentry = mnt->mnt_root;
cp = d_path(&path, buf, sizeof(buf));
if (!IS_ERR(cp)) {
handle_t *handle;
int err;
handle = ext4_journal_start_sb(sb, 1);
if (IS_ERR(handle))
return PTR_ERR(handle);
err = ext4_journal_get_write_access(handle, sbi->s_sbh);
if (err) {
ext4_journal_stop(handle);
return err;
}
strlcpy(sbi->s_es->s_last_mounted, cp,
sizeof(sbi->s_es->s_last_mounted));
ext4_mark_super_dirty(sb);
ext4_handle_dirty_super(handle, sb);
ext4_journal_stop(handle);
}
}
/*