Checking the "VFS" quota enabled and dirty bits from generic code means this code will never get called for other implementations, e.g. XFS and GFS2. Grabbing the reference on the superblock really isn't much overhead for a global Q_SYNC call, so just drop this optimization. Signed-off-by: Christoph Hellwig <hch@xxxxxx> Index: linux-2.6/fs/quota/quota.c =================================================================== --- linux-2.6.orig/fs/quota/quota.c 2010-02-16 00:24:14.432004170 +0100 +++ linux-2.6/fs/quota/quota.c 2010-02-16 00:24:58.589255532 +0100 @@ -51,7 +51,6 @@ static int check_quotactl_permission(str static int quota_sync_all(int type) { struct super_block *sb; - int cnt; int ret; if (type >= MAXQUOTAS) @@ -66,20 +65,6 @@ restart: if (!sb->s_qcop || !sb->s_qcop->quota_sync) continue; - /* This test just improves performance so it needn't be - * reliable... */ - for (cnt = 0; cnt < MAXQUOTAS; cnt++) { - if (type != -1 && type != cnt) - continue; - if (!sb_has_quota_active(sb, cnt)) - continue; - if (!info_dirty(&sb_dqopt(sb)->info[cnt]) && - list_empty(&sb_dqopt(sb)->info[cnt].dqi_dirty_list)) - continue; - break; - } - if (cnt == MAXQUOTAS) - continue; sb->s_count++; spin_unlock(&sb_lock); down_read(&sb->s_umount); -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html