linux-kernel - [PATCH v3 6/7] zram: add more compression algorithms

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Message-Id: <20160604024902.11778-7-sergey.senozhatsky@gmail.com>
Date:	Sat,  4 Jun 2016 11:49:01 +0900
From:	Sergey Senozhatsky <sergey.senozhatsky@...il.com>
To:	Minchan Kim <minchan@...nel.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Joonsoo Kim <iamjoonsoo.kim@....com>,
	linux-kernel@...r.kernel.org,
	Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
	Sergey Senozhatsky <sergey.senozhatsky@...il.com>
Subject: [PATCH v3 6/7] zram: add more compression algorithms

Add "deflate", "lz4hc", "842" algorithms to the list of
known compression backends. The real availability of those
algorithms, however, depends on the corresponding
CONFIG_CRYPTO_FOO config options.

Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@...il.com>
Cc: Minchan Kim <minchan@...nel.org>
Cc: Joonsoo Kim <iamjoonsoo.kim@....com>
---
 drivers/block/zram/zcomp.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/block/zram/zcomp.c b/drivers/block/zram/zcomp.c
index 9ab45d4..32e521a 100644
--- a/drivers/block/zram/zcomp.c
+++ b/drivers/block/zram/zcomp.c
@@ -23,6 +23,15 @@ static const char * const backends[] = {
 #if IS_ENABLED(CONFIG_CRYPTO_LZ4)
 	"lz4",
 #endif
+#if IS_ENABLED(CONFIG_CRYPTO_DEFLATE)
+	"deflate",
+#endif
+#if IS_ENABLED(CONFIG_CRYPTO_LZ4HC)
+	"lz4hc",
+#endif
+#if IS_ENABLED(CONFIG_CRYPTO_842)
+	"842",
+#endif
 	NULL
 };
 
-- 
2.8.3.394.g3916adf