1 files changed, 4 insertions, 1 deletions

diff --git a/fs/btrfs/compression.h b/fs/btrfs/compression.h
index da20755ebf21..0868cc554f14 100644
--- a/fs/btrfs/compression.h
+++ b/fs/btrfs/compression.h
@@ -34,6 +34,8 @@
 /* Maximum size of data before compression */
 #define BTRFS_MAX_UNCOMPRESSED          (SZ_128K)
 
+#define BTRFS_ZLIB_DEFAULT_LEVEL                3
+
 struct compressed_bio {
         /* number of bios pending for this compressed extent */
         refcount_t pending_bios;
@@ -91,7 +93,8 @@ blk_status_t btrfs_submit_compressed_write(struct inode *inode, u64 start,
                                   unsigned long len, u64 disk_start,
                                   unsigned long compressed_len,
                                   struct page **compressed_pages,
-                                  unsigned long nr_pages);
+                                  unsigned long nr_pages,
+                                  unsigned int write_flags);
 blk_status_t btrfs_submit_compressed_read(struct inode *inode, struct bio *bio,
                                  int mirror_num, unsigned long bio_flags);