diff options
Diffstat (limited to 'fs/ext4/extents.c')
| -rw-r--r-- | fs/ext4/extents.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 995be1051cfa..ba91ad3dfcbc 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -4437,6 +4437,18 @@ got_allocated_blocks: allocated = map->m_len; ext4_ext_show_leaf(inode, path); out: + /* + * We never use EXT4_GET_BLOCKS_QUERY_LAST_IN_LEAF with CREATE flag. + * So we know that the depth used here is correct, since there was no + * block allocation done if EXT4_GET_BLOCKS_QUERY_LAST_IN_LEAF is set. + * If tomorrow we start using this QUERY flag with CREATE, then we will + * need to re-calculate the depth as it might have changed due to block + * allocation. + */ + if (flags & EXT4_GET_BLOCKS_QUERY_LAST_IN_LEAF) + if (!err && ex && (ex == EXT_LAST_EXTENT(path[depth].p_hdr))) + map->m_flags |= EXT4_MAP_QUERY_LAST_IN_LEAF; + ext4_free_ext_path(path); trace_ext4_ext_map_blocks_exit(inode, flags, map, |