diff options
Diffstat (limited to 'fs/btrfs/compression.h')
| -rw-r--r-- | fs/btrfs/compression.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/btrfs/compression.h b/fs/btrfs/compression.h index 03bb9d143fa7..93cc92974dee 100644 --- a/fs/btrfs/compression.h +++ b/fs/btrfs/compression.h @@ -32,6 +32,8 @@ static_assert((BTRFS_MAX_COMPRESSED % PAGE_SIZE) == 0); #define BTRFS_ZLIB_DEFAULT_LEVEL 3 +struct page; + struct compressed_bio { /* Number of compressed pages in the array */ unsigned int nr_pages; @@ -96,6 +98,9 @@ void btrfs_submit_compressed_read(struct btrfs_bio *bbio); unsigned int btrfs_compress_str2level(unsigned int type, const char *str); +struct page *btrfs_alloc_compr_page(void); +void btrfs_free_compr_page(struct page *page); + enum btrfs_compression_type { BTRFS_COMPRESS_NONE = 0, BTRFS_COMPRESS_ZLIB = 1, |