The patch titled
Subject: zram: cosmetic zram_bvec_write() cleanup
has been removed from the -mm tree. Its filename was
zram-cosmetic-zram_bvec_write-cleanup.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Sergey Senozhatsky <sergey.senozhatsky@xxxxxxxxx>
Subject: 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@xxxxxxxxx>
Acked-by: Minchan Kim <minchan@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/block/zram/zram_drv.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
diff -puN drivers/block/zram/zram_drv.c~zram-cosmetic-zram_bvec_write-cleanup drivers/block/zram/zram_drv.c
--- a/drivers/block/zram/zram_drv.c~zram-cosmetic-zram_bvec_write-cleanup
+++ a/drivers/block/zram/zram_drv.c
@@ -642,8 +642,7 @@ static int zram_bvec_write(struct zram *
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 *
}
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 *
}
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 *
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);
_
Patches currently in -mm which might be from sergey.senozhatsky@xxxxxxxxx are
origin.patch
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