diff options
Diffstat (limited to 'fs/btrfs/compression.h')
| -rw-r--r-- | fs/btrfs/compression.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/fs/btrfs/compression.h b/fs/btrfs/compression.h index 2ab8b2f29d88..9976fe0f7526 100644 --- a/fs/btrfs/compression.h +++ b/fs/btrfs/compression.h @@ -97,7 +97,7 @@ blk_status_t btrfs_submit_compressed_write(struct inode *inode, u64 start, blk_status_t btrfs_submit_compressed_read(struct inode *inode, struct bio *bio, int mirror_num, unsigned long bio_flags); -unsigned btrfs_compress_str2level(const char *str); +unsigned int btrfs_compress_str2level(unsigned int type, const char *str); enum btrfs_compression_type { BTRFS_COMPRESS_NONE = 0, @@ -156,7 +156,12 @@ struct btrfs_compress_op { unsigned long start_byte, size_t srclen, size_t destlen); - void (*set_level)(struct list_head *ws, unsigned int type); + /* + * This bounds the level set by the user to be within range of a + * particular compression type. It returns the level that will be used + * if the level is out of bounds or the default if 0 is passed in. + */ + unsigned int (*set_level)(unsigned int level); }; /* The heuristic workspaces are managed via the 0th workspace manager */ |