From: Artem Bityutskiy Date: Wed, 21 Mar 2012 16:14:30 +0000 (+0200) Subject: ext2: write superblock only once on unmount X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=f2b2242081314ee4385f3b49d92b0adff8324d80;p=deliverable%2Flinux.git 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 Signed-off-by: Jan Kara --- diff --git a/fs/ext2/super.c b/fs/ext2/super.c index e1025c7a437a..12a7916cfa9d 100644 --- a/fs/ext2/super.c +++ b/fs/ext2/super.c @@ -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;