diff options
| author | Sergey Senozhatsky <sergey.senozhatsky@gmail.com> | 2015-06-26 00:00:27 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-06-26 02:00:36 +0200 |
| commit | 17162f41f04a3ba5a6b887a8e8e7f78159fa4a70 (patch) | |
| tree | 57462ac2bba440e78effd88ec27363f1af7ee4b6 | |
| parent | zram: add dynamic device add/remove functionality (diff) | |
| download | linux-17162f41f04a3ba5a6b887a8e8e7f78159fa4a70.tar.xz linux-17162f41f04a3ba5a6b887a8e8e7f78159fa4a70.zip | |
zram: cosmetic zram_bvec_write() cleanup
`bool locked' local variable tells us if we should perform
zcomp_strm_release() or not (jumped to `out' label before
zcomp_strm_find() occurred), which is equivalent to `zstrm' being or not
being NULL. remove `locked' and check `zstrm' instead.
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | drivers/block/zram/zram_drv.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index 830f0eb501fa..a129d52711a6 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -642,8 +642,7 @@ static int zram_bvec_write(struct zram *zram, struct bio_vec *bvec, u32 index, struct page *page; unsigned char *user_mem, *cmem, *src, *uncmem = NULL; struct zram_meta *meta = zram->meta; - struct zcomp_strm *zstrm; - bool locked = false; + struct zcomp_strm *zstrm = NULL; unsigned long alloced_pages; page = bvec->bv_page; @@ -663,7 +662,6 @@ static int zram_bvec_write(struct zram *zram, struct bio_vec *bvec, u32 index, } zstrm = zcomp_strm_find(zram->comp); - locked = true; user_mem = kmap_atomic(page); if (is_partial_io(bvec)) { @@ -735,7 +733,7 @@ static int zram_bvec_write(struct zram *zram, struct bio_vec *bvec, u32 index, } zcomp_strm_release(zram->comp, zstrm); - locked = false; + zstrm = NULL; zs_unmap_object(meta->mem_pool, handle); /* @@ -753,7 +751,7 @@ static int zram_bvec_write(struct zram *zram, struct bio_vec *bvec, u32 index, atomic64_add(clen, &zram->stats.compr_data_size); atomic64_inc(&zram->stats.pages_stored); out: - if (locked) + if (zstrm) zcomp_strm_release(zram->comp, zstrm); if (is_partial_io(bvec)) kfree(uncmem); |