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authorSergey Senozhatsky <sergey.senozhatsky@gmail.com>2016-07-27 01:22:56 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2016-07-27 02:19:19 +0300
commiteb9f56d82547db407779967a2251ea28969245b0 (patch)
tree1ab7cd190a17fa36070e50ec95d1a6902c0d88c9 /drivers/block/zram
parentce1ed9f98e888aa220fb09da2e2bcfcfba218a27 (diff)
downloadlinux-eb9f56d82547db407779967a2251ea28969245b0.tar.xz
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. [sergey.senozhatsky@gmail.com: zram-add-more-compression-algorithms-v3] Link: http://lkml.kernel.org/r/20160604024902.11778-7-sergey.senozhatsky@gmail.com Link: http://lkml.kernel.org/r/20160531122017.2878-8-sergey.senozhatsky@gmail.com Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Acked-by: Minchan Kim <minchan@kernel.org> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/block/zram')
-rw-r--r--drivers/block/zram/zcomp.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/block/zram/zcomp.c b/drivers/block/zram/zcomp.c
index 9ab45d41624b..32e521a2b8c8 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
};