zram: rename zram_decompress_page to __zram_bvec_read

zram_decompress_page naming is not proper because it doesn't decompress
if page was dedup hit or stored with compression.

Use more abstract term and consistent with write path function
__zram_bvec_write.

Link: http://lkml.kernel.org/r/1498459987-24562-4-git-send-email-minchan@kernel.org
Signed-off-by: Minchan Kim <minchan@kernel.org>
Cc: Juneho Choi <juno.choi@lge.com>
Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index 7b16ab0b923a900d50b6d016bb6eaf9d48baf303..7afe0d8487c0eb33b8ae19affdca4e097ea68754 100644 (file)
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -518,7 +518,7 @@ static void zram_free_page(struct zram *zram, size_t index)
        zram_set_obj_size(zram, index, 0);
 }
 
-static int zram_decompress_page(struct zram *zram, struct page *page, u32 index)
+static int __zram_bvec_read(struct zram *zram, struct page *page, u32 index)
 {
        int ret;
        unsigned long handle;
@@ -570,7 +570,7 @@ static int zram_bvec_read(struct zram *zram, struct bio_vec *bvec,
                        return -ENOMEM;
        }
 
-       ret = zram_decompress_page(zram, page, index);
+       ret = __zram_bvec_read(zram, page, index);
        if (unlikely(ret))
                goto out;
 
@@ -718,7 +718,7 @@ static int zram_bvec_write(struct zram *zram, struct bio_vec *bvec,
                if (!page)
                        return -ENOMEM;
 
-               ret = zram_decompress_page(zram, page, index);
+               ret = __zram_bvec_read(zram, page, index);
                if (ret)
                        goto out;