diff options
Diffstat (limited to 'fs/ext4/extents.c')
| -rw-r--r-- | fs/ext4/extents.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 7858fc1d2501..2730039d4742 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -4374,13 +4374,20 @@ int ext4_ext_map_blocks(handle_t *handle, struct inode *inode, if ((flags & EXT4_GET_BLOCKS_CREATE) == 0) { ext4_lblk_t hole_start, hole_len; + hole_start = map->m_lblk; + hole_len = ext4_ext_determine_hole(inode, path, &hole_start); /* * put just found gap into cache to speed up * subsequent requests */ - hole_start = map->m_lblk; - hole_len = ext4_ext_determine_hole(inode, path, &hole_start); ext4_ext_put_gap_in_cache(inode, hole_start, hole_len); + + /* Update hole_len to reflect hole size after map->m_lblk */ + if (hole_start != map->m_lblk) + hole_len -= map->m_lblk - hole_start; + map->m_pblk = 0; + map->m_len = min_t(unsigned int, map->m_len, hole_len); + goto out2; } |