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: Jan Schmidt <list.btrfs@jan-o-sch.net>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
index da84583..9d49c58 100644
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@ -1493,10 +1493,14 @@
{
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 @@
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;