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-rw-r--r--fs/btrfs/compression.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/btrfs/compression.h b/fs/btrfs/compression.h
index d2781ff8f994..da20755ebf21 100644
--- a/fs/btrfs/compression.h
+++ b/fs/btrfs/compression.h
@@ -76,7 +76,7 @@ struct compressed_bio {
void btrfs_init_compress(void);
void btrfs_exit_compress(void);
-int btrfs_compress_pages(int type, struct address_space *mapping,
+int btrfs_compress_pages(unsigned int type_level, struct address_space *mapping,
u64 start, struct page **pages,
unsigned long *out_pages,
unsigned long *total_in,
@@ -95,6 +95,8 @@ 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);
+
enum btrfs_compression_type {
BTRFS_COMPRESS_NONE = 0,
BTRFS_COMPRESS_ZLIB = 1,
@@ -124,6 +126,8 @@ struct btrfs_compress_op {
struct page *dest_page,
unsigned long start_byte,
size_t srclen, size_t destlen);
+
+ void (*set_level)(struct list_head *ws, unsigned int type);
};
extern const struct btrfs_compress_op btrfs_zlib_compress;