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-rw-r--r--fs/btrfs/compression.h11
1 files changed, 5 insertions, 6 deletions
diff --git a/fs/btrfs/compression.h b/fs/btrfs/compression.h
index 2035b8eb1290..4cb8be9ff88b 100644
--- a/fs/btrfs/compression.h
+++ b/fs/btrfs/compression.h
@@ -156,12 +156,9 @@ struct btrfs_compress_op {
unsigned long start_byte,
size_t srclen, size_t destlen);
- /*
- * 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);
+ /* Maximum level supported by the compression algorithm */
+ unsigned int max_level;
+ unsigned int default_level;
};
/* The heuristic workspaces are managed via the 0th workspace manager */
@@ -175,6 +172,8 @@ extern const struct btrfs_compress_op btrfs_zstd_compress;
const char* btrfs_compress_type2str(enum btrfs_compression_type type);
bool btrfs_compress_is_valid_type(const char *str, size_t len);
+unsigned int btrfs_compress_set_level(int type, unsigned level);
+
int btrfs_compress_heuristic(struct inode *inode, u64 start, u64 end);
#endif