diff options
Diffstat (limited to 'fs/btrfs/qgroup.c')
| -rw-r--r-- | fs/btrfs/qgroup.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index 641ef2679bb1..457219d6a16b 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -2580,6 +2580,21 @@ out: } /* + * Check if the leaf is the last leaf. Which means all node pointers + * are at their last position. + */ +static bool is_last_leaf(struct btrfs_path *path) +{ + int i; + + for (i = 1; i < BTRFS_MAX_LEVEL && path->nodes[i]; i++) { + if (path->slots[i] != btrfs_header_nritems(path->nodes[i]) - 1) + return false; + } + return true; +} + +/* * returns < 0 on error, 0 when more leafs are to be scanned. * returns 1 when done. */ @@ -2591,6 +2606,7 @@ qgroup_rescan_leaf(struct btrfs_fs_info *fs_info, struct btrfs_path *path, struct extent_buffer *scratch_leaf = NULL; struct ulist *roots = NULL; u64 num_bytes; + bool done; int slot; int ret; @@ -2619,6 +2635,7 @@ qgroup_rescan_leaf(struct btrfs_fs_info *fs_info, struct btrfs_path *path, mutex_unlock(&fs_info->qgroup_rescan_lock); return ret; } + done = is_last_leaf(path); btrfs_item_key_to_cpu(path->nodes[0], &found, btrfs_header_nritems(path->nodes[0]) - 1); @@ -2663,6 +2680,8 @@ out: free_extent_buffer(scratch_leaf); } + if (done && !ret) + ret = 1; return ret; } |