diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index 7e02cd61da73..08c8ab199b6e 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -1030,6 +1030,7 @@ out_add_root: ret = qgroup_rescan_init(fs_info, 0, 1); if (!ret) { qgroup_rescan_zero_tracking(fs_info); + fs_info->qgroup_rescan_running = true; btrfs_queue_work(fs_info->qgroup_rescan_workers, &fs_info->qgroup_rescan_work); } @@ -3263,7 +3264,6 @@ qgroup_rescan_init(struct btrfs_fs_info *fs_info, u64 progress_objectid, sizeof(fs_info->qgroup_rescan_progress)); fs_info->qgroup_rescan_progress.objectid = progress_objectid; init_completion(&fs_info->qgroup_rescan_completion); - fs_info->qgroup_rescan_running = true; spin_unlock(&fs_info->qgroup_lock); mutex_unlock(&fs_info->qgroup_rescan_lock); @@ -3326,8 +3326,11 @@ btrfs_qgroup_rescan(struct btrfs_fs_info *fs_info) qgroup_rescan_zero_tracking(fs_info); + mutex_lock(&fs_info->qgroup_rescan_lock); + fs_info->qgroup_rescan_running = true; btrfs_queue_work(fs_info->qgroup_rescan_workers, &fs_info->qgroup_rescan_work); + mutex_unlock(&fs_info->qgroup_rescan_lock); return 0; } @@ -3363,9 +3366,13 @@ int btrfs_qgroup_wait_for_completion(struct btrfs_fs_info *fs_info, void btrfs_qgroup_rescan_resume(struct btrfs_fs_info *fs_info) { - if (fs_info->qgroup_flags & BTRFS_QGROUP_STATUS_FLAG_RESCAN) + if (fs_info->qgroup_flags & BTRFS_QGROUP_STATUS_FLAG_RESCAN) { + mutex_lock(&fs_info->qgroup_rescan_lock); + fs_info->qgroup_rescan_running = true; btrfs_queue_work(fs_info->qgroup_rescan_workers, &fs_info->qgroup_rescan_work); + mutex_unlock(&fs_info->qgroup_rescan_lock); + } } /*