diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 401ea09ae4b8..97050a3edc32 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -4931,7 +4931,8 @@ int btrfs_get_free_objectid(struct btrfs_root *root, u64 *objectid) goto out; } - *objectid = root->free_objectid++; + while (find_qgroup_rb(root->fs_info, root->free_objectid++)); + *objectid = root->free_objectid; ret = 0; out: mutex_unlock(&root->objectid_mutex); diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index edb84cc03237..3705e7d57057 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -171,7 +171,7 @@ qgroup_rescan_init(struct btrfs_fs_info *fs_info, u64 progress_objectid, static void qgroup_rescan_zero_tracking(struct btrfs_fs_info *fs_info); /* must be called with qgroup_ioctl_lock held */ -static struct btrfs_qgroup *find_qgroup_rb(struct btrfs_fs_info *fs_info, +struct btrfs_qgroup *find_qgroup_rb(struct btrfs_fs_info *fs_info, u64 qgroupid) { struct rb_node *n = fs_info->qgroup_tree.rb_node; diff --git a/fs/btrfs/qgroup.h b/fs/btrfs/qgroup.h index 855a4f978761..96c6aa31ca91 100644 --- a/fs/btrfs/qgroup.h +++ b/fs/btrfs/qgroup.h @@ -425,4 +425,6 @@ bool btrfs_check_quota_leak(struct btrfs_fs_info *fs_info); int btrfs_record_squota_delta(struct btrfs_fs_info *fs_info, struct btrfs_squota_delta *delta); +struct btrfs_qgroup *find_qgroup_rb(struct btrfs_fs_info *fs_info, + u64 qgroupid); #endif