diff options
| -rw-r--r-- | fs/ext4/extents.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 5f7295287de..4fec6b74638 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -3244,8 +3244,15 @@ static int ext4_ext_fiemap_cb(struct inode *inode, struct ext4_ext_path *path, * XXX this might miss a single-block extent at EXT_MAX_BLOCK */ if (ext4_ext_next_allocated_block(path) == EXT_MAX_BLOCK || - newex->ec_block + newex->ec_len - 1 == EXT_MAX_BLOCK) + newex->ec_block + newex->ec_len - 1 == EXT_MAX_BLOCK) { + loff_t size = i_size_read(inode); + loff_t bs = EXT4_BLOCK_SIZE(inode->i_sb); + flags |= FIEMAP_EXTENT_LAST; + if ((flags & FIEMAP_EXTENT_DELALLOC) && + logical+length > size) + length = (size - logical + bs - 1) & ~(bs-1); + } error = fiemap_fill_next_extent(fieinfo, logical, physical, length, flags); |