[PATCH 1/7] zram: rename zstrm find-release functions

From: Sergey Senozhatsky
Date: Wed May 25 2016 - 09:32:58 EST


We don't perform any zstream idle list lookup anymore, so
zcomp_strm_find()/zcomp_strm_release() names are not
representative.

Rename to zcomp_stream_get()/zcomp_stream_put().

Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@xxxxxxxxx>
Cc: Minchan Kim <minchan@xxxxxxxxxx>
Cc: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
---
drivers/block/zram/zcomp.c | 4 ++--
drivers/block/zram/zcomp.h | 4 ++--
drivers/block/zram/zram_drv.c | 8 ++++----
3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/block/zram/zcomp.c b/drivers/block/zram/zcomp.c
index b51a816..400f826 100644
--- a/drivers/block/zram/zcomp.c
+++ b/drivers/block/zram/zcomp.c
@@ -95,12 +95,12 @@ bool zcomp_available_algorithm(const char *comp)
return find_backend(comp) != NULL;
}

-struct zcomp_strm *zcomp_strm_find(struct zcomp *comp)
+struct zcomp_strm *zcomp_stream_get(struct zcomp *comp)
{
return *get_cpu_ptr(comp->stream);
}

-void zcomp_strm_release(struct zcomp *comp, struct zcomp_strm *zstrm)
+void zcomp_stream_put(struct zcomp *comp)
{
put_cpu_ptr(comp->stream);
}
diff --git a/drivers/block/zram/zcomp.h b/drivers/block/zram/zcomp.h
index ffd88cb..944b8e6 100644
--- a/drivers/block/zram/zcomp.h
+++ b/drivers/block/zram/zcomp.h
@@ -48,8 +48,8 @@ bool zcomp_available_algorithm(const char *comp);
struct zcomp *zcomp_create(const char *comp);
void zcomp_destroy(struct zcomp *comp);

-struct zcomp_strm *zcomp_strm_find(struct zcomp *comp);
-void zcomp_strm_release(struct zcomp *comp, struct zcomp_strm *zstrm);
+struct zcomp_strm *zcomp_stream_get(struct zcomp *comp);
+void zcomp_stream_put(struct zcomp *comp);

int zcomp_compress(struct zcomp *comp, struct zcomp_strm *zstrm,
const unsigned char *src, size_t *dst_len);
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index 8fcad8b..9361a5d 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -695,7 +695,7 @@ compress_again:
goto out;
}

- zstrm = zcomp_strm_find(zram->comp);
+ zstrm = zcomp_stream_get(zram->comp);
ret = zcomp_compress(zram->comp, zstrm, uncmem, &clen);
if (!is_partial_io(bvec)) {
kunmap_atomic(user_mem);
@@ -734,7 +734,7 @@ compress_again:
__GFP_NOWARN |
__GFP_HIGHMEM);
if (!handle) {
- zcomp_strm_release(zram->comp, zstrm);
+ zcomp_stream_put(zram->comp);
zstrm = NULL;

atomic64_inc(&zram->stats.writestall);
@@ -769,7 +769,7 @@ compress_again:
memcpy(cmem, src, clen);
}

- zcomp_strm_release(zram->comp, zstrm);
+ zcomp_stream_put(zram->comp);
zstrm = NULL;
zs_unmap_object(meta->mem_pool, handle);

@@ -789,7 +789,7 @@ compress_again:
atomic64_inc(&zram->stats.pages_stored);
out:
if (zstrm)
- zcomp_strm_release(zram->comp, zstrm);
+ zcomp_stream_put(zram->comp);
if (is_partial_io(bvec))
kfree(uncmem);
return ret;
--
2.8.3.394.g3916adf