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-rw-r--r--fs/btrfs/compression.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/btrfs/compression.h b/fs/btrfs/compression.h
index 9976fe0f7526..2035b8eb1290 100644
--- a/fs/btrfs/compression.h
+++ b/fs/btrfs/compression.h
@@ -61,7 +61,7 @@ struct compressed_bio {
* the start of a variable length array of checksums only
* used by reads
*/
- u32 sums;
+ u8 sums[];
};
static inline unsigned int btrfs_compress_type(unsigned int type_level)
@@ -173,6 +173,7 @@ extern const struct btrfs_compress_op btrfs_lzo_compress;
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);
int btrfs_compress_heuristic(struct inode *inode, u64 start, u64 end);