diff options
| -rw-r--r-- | fs/btrfs/extent_io.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 3b557f4fe632..ffa4110f7056 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -939,7 +939,6 @@ static int btrfs_do_readpage(struct folio *folio, struct extent_map **em_cached, u64 cur = start; u64 extent_offset; u64 last_byte = i_size_read(inode); - u64 block_start; struct extent_map *em; int ret = 0; size_t pg_offset = 0; @@ -966,6 +965,7 @@ static int btrfs_do_readpage(struct folio *folio, struct extent_map **em_cached, enum btrfs_compression_type compress_type = BTRFS_COMPRESS_NONE; bool force_bio_submit = false; u64 disk_bytenr; + u64 block_start; ASSERT(IS_ALIGNED(cur, fs_info->sectorsize)); if (cur >= last_byte) { @@ -991,9 +991,11 @@ static int btrfs_do_readpage(struct folio *folio, struct extent_map **em_cached, disk_bytenr = em->disk_bytenr; else disk_bytenr = extent_map_block_start(em) + extent_offset; - block_start = extent_map_block_start(em); + if (em->flags & EXTENT_FLAG_PREALLOC) block_start = EXTENT_MAP_HOLE; + else + block_start = extent_map_block_start(em); /* * If we have a file range that points to a compressed extent |