From e128f9c3f7242318e1c76d204c7ae32bc878b8c7 Mon Sep 17 00:00:00 2001
From: David Sterba <dsterba@suse.com>
Date: Tue, 31 Oct 2017 17:24:26 +0100
Subject: btrfs: compression: add helper for type to string conversion

There are several places opencoding this conversion, add a helper now
that we have 3 compression algorithms.

Signed-off-by: David Sterba <dsterba@suse.com>
---
 fs/btrfs/compression.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'fs/btrfs/compression.h')

diff --git a/fs/btrfs/compression.h b/fs/btrfs/compression.h
index 6b692903a23c..677fa4aa0bd7 100644
--- a/fs/btrfs/compression.h
+++ b/fs/btrfs/compression.h
@@ -137,6 +137,8 @@ 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;
 
+const char* btrfs_compress_type2str(enum btrfs_compression_type type);
+
 int btrfs_compress_heuristic(struct inode *inode, u64 start, u64 end);
 
 #endif
-- 
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