[PATCH v2 3/8] zram: align zcomp interface to crypto comp API

[Sergey Senozhatsky <sergey.senozhatsky@gmail.com>]

A cosmetic change:
update zcomp interface to be more aligned with the crypto API.

Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
---
 drivers/block/zram/zcomp.c    | 5 ++---
 drivers/block/zram/zcomp.h    | 5 ++---
 drivers/block/zram/zram_drv.c | 2 +-
 3 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/drivers/block/zram/zcomp.c b/drivers/block/zram/zcomp.c
index 241d3c8..f357268 100644
--- a/drivers/block/zram/zcomp.c
+++ b/drivers/block/zram/zcomp.c
@@ -103,7 +103,7 @@ void zcomp_stream_put(struct zcomp *comp)
 }
 
 int zcomp_compress(struct zcomp_strm *zstrm,
-		const unsigned char *src, unsigned int *dst_len)
+		const void *src, unsigned int *dst_len)
 {
 	/*
 	 * Our dst memory (zstrm->buffer) is always `2 * PAGE_SIZE' sized
@@ -127,8 +127,7 @@ int zcomp_compress(struct zcomp_strm *zstrm,
 }
 
 int zcomp_decompress(struct zcomp_strm *zstrm,
-		const unsigned char *src,
-		size_t src_len, unsigned char *dst)
+		const void *src, unsigned int src_len, void *dst)
 {
 	unsigned int dst_len = PAGE_SIZE;
 
diff --git a/drivers/block/zram/zcomp.h b/drivers/block/zram/zcomp.h
index 5ad1ffe..c914ab7 100644
--- a/drivers/block/zram/zcomp.h
+++ b/drivers/block/zram/zcomp.h
@@ -49,11 +49,10 @@ struct zcomp_strm *zcomp_stream_get(struct zcomp *comp);
 void zcomp_stream_put(struct zcomp *comp);
 
 int zcomp_compress(struct zcomp_strm *zstrm,
-		const unsigned char *src, unsigned int *dst_len);
+		const void *src, unsigned int *dst_len);
 
 int zcomp_decompress(struct zcomp_strm *zstrm,
-		const unsigned char *src,
-		size_t src_len, unsigned char *dst);
+		const void *src, unsigned int src_len, void *dst);
 
 bool zcomp_set_max_streams(struct zcomp *comp, int num_strm);
 #endif /* _ZCOMP_H_ */
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index 99c8be7..65d1403 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -563,7 +563,7 @@ static int zram_decompress_page(struct zram *zram, char *mem, u32 index)
 	unsigned char *cmem;
 	struct zram_meta *meta = zram->meta;
 	unsigned long handle;
-	size_t size;
+	unsigned int size;
 
 	bit_spin_lock(ZRAM_ACCESS, &meta->table[index].value);
 	handle = meta->table[index].handle;
-- 
2.8.3.394.g3916adf