On Wed, May 25, 2016 at 11:30:03PM +0900, Sergey Senozhatsky wrote:
> A cosmetic change: use the same datatypes as crypto API does.
>
> Signed-off-by: Sergey Senozhatsky <sergey.senozhat...@gmail.com>
> Cc: Minchan Kim <minc...@kernel.org>
> Cc: Joonsoo Kim <iamjoonsoo....@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 6e16fa2..79b30d7 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 u8 *src, unsigned int *dst_len)
Nitpick:
The zcomp doesn't need to depend on implementation(i.e., crypto) so
zcomp_compress should pass void * for src and dst.
I'm not strong aginst changing u8 but your description makes me
think about that.
> {
> /*
> * 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 u8 *src, unsigned int src_len, u8 *dst)
> {
> unsigned int dst_len = PAGE_SIZE;
>
> diff --git a/drivers/block/zram/zcomp.h b/drivers/block/zram/zcomp.h
> index 3fb9dc4..dcc0951 100644
> --- a/drivers/block/zram/zcomp.h
> +++ b/drivers/block/zram/zcomp.h
> @@ -54,11 +54,10 @@ 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 u8 *src, unsigned int *dst_len);
>
> int zcomp_decompress(struct zcomp_strm *zstrm,
> - const unsigned char *src,
> - size_t src_len, unsigned char *dst);
> + const u8 *src, unsigned int src_len, u8 *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
>
