From: David Sterba <dsterba@suse.cz> Date: Mon, 18 Nov 2013 13:24:20 +0000 (+0100) Subject: btrfs: reserve no transaction units in btrfs_feature_attr_store X-Git-Tag: firefly_0821_release~176^2~3883^2~274 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=43d87fa23154d135a2a1006bc6656ae73ae84190;p=firefly-linux-kernel-4.4.55.git btrfs: reserve no transaction units in btrfs_feature_attr_store Added in patch "btrfs: add ability to change features via sysfs", modifications to superblock don't need to reserve metadata blocks when starting a transaction. Signed-off-by: David Sterba <dsterba@suse.cz> Signed-off-by: Josef Bacik <jbacik@fb.com> Signed-off-by: Chris Mason <clm@fb.com> --- diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c index 669fdf777b6c..8fdc0520e298 100644 --- a/fs/btrfs/sysfs.c +++ b/fs/btrfs/sysfs.c @@ -150,7 +150,7 @@ static ssize_t btrfs_feature_attr_store(struct kobject *kobj, btrfs_info(fs_info, "%s %s feature flag", val ? "Setting" : "Clearing", fa->kobj_attr.attr.name); - trans = btrfs_start_transaction(fs_info->fs_root, 1); + trans = btrfs_start_transaction(fs_info->fs_root, 0); if (IS_ERR(trans)) return PTR_ERR(trans);