Commit 3d7b5a28 authored by Jan Schmidt's avatar Jan Schmidt Committed by Josef Bacik
Browse files

Btrfs: automatic rescan after "quota enable" command 



When qgroup tracking is enabled, we do an automatic cycle of the new rescan
mechanism.

Signed-off-by: default avatarJan Schmidt <list.btrfs@jan-o-sch.net>
Signed-off-by: default avatarJosef Bacik <jbacik@fusionio.com>
parent 2f232036

fs/btrfs/qgroup.c

+11 −0
Original line number Diff line number Diff line
@@ -1493,10 +1493,14 @@ int btrfs_run_qgroups(struct btrfs_trans_handle *trans, 
{

	struct btrfs_root *quota_root = fs_info->quota_root;

	int ret = 0;

	int start_rescan_worker = 0;



	if (!quota_root)

		goto out;



	if (!fs_info->quota_enabled && fs_info->pending_quota_state)

		start_rescan_worker = 1;



	fs_info->quota_enabled = fs_info->pending_quota_state;



	spin_lock(&fs_info->qgroup_lock);
@@ -1522,6 +1526,13 @@ int btrfs_run_qgroups(struct btrfs_trans_handle *trans, 
	if (ret)

		fs_info->qgroup_flags |= BTRFS_QGROUP_STATUS_FLAG_INCONSISTENT;



	if (!ret && start_rescan_worker) {

		ret = btrfs_qgroup_rescan(fs_info);

		if (ret)

			pr_err("btrfs: start rescan quota failed: %d\n", ret);

		ret = 0;

	}



out:



	return ret;