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ext2: write superblock only once on unmount 

Currently on unmount if we are mounted R/W, we first write the superblock to
the media if it is dirty, and then write it again, which is not optimal. This
patch makes ext2 write the superblock on unmount less times.

Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Artem Bityutskiy 2012-03-21 18:14:30 +02:00 committed by Jan Kara
parent ee65244b21
commit f2b2242081
1 changed files with 0 additions and 3 deletions
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3
fs/ext2/super.c
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@ -130,9 +130,6 @@ static void ext2_put_super (struct super_block * sb)
dquot_disable(sb, -1, DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED);
if (sb->s_dirt)
ext2_write_super(sb);
ext2_xattr_put_super(sb);
if (!(sb->s_flags & MS_RDONLY)) {
struct ext2_super_block *es = sbi->s_es;