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-rw-r--r--fs/btrfs/compression.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/btrfs/compression.h b/fs/btrfs/compression.h
index 87f6d3332163..d2781ff8f994 100644
--- a/fs/btrfs/compression.h
+++ b/fs/btrfs/compression.h
@@ -99,8 +99,8 @@ enum btrfs_compression_type {
BTRFS_COMPRESS_NONE = 0,
BTRFS_COMPRESS_ZLIB = 1,
BTRFS_COMPRESS_LZO = 2,
- BTRFS_COMPRESS_TYPES = 2,
- BTRFS_COMPRESS_LAST = 3,
+ BTRFS_COMPRESS_ZSTD = 3,
+ BTRFS_COMPRESS_TYPES = 3,
};
struct btrfs_compress_op {
@@ -128,5 +128,8 @@ struct btrfs_compress_op {
extern const struct btrfs_compress_op btrfs_zlib_compress;
extern const struct btrfs_compress_op btrfs_lzo_compress;
+extern const struct btrfs_compress_op btrfs_zstd_compress;
+
+int btrfs_compress_heuristic(struct inode *inode, u64 start, u64 end);
#endif