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dm snap persistent: simplify area_io()
author
Qinglang Miao
<miaoqinglang@huawei.com>
Mon, 21 Sep 2020 13:10:10 +0000
(21:10 +0800)
committer
Mike Snitzer
<snitzer@redhat.com>
Tue, 29 Sep 2020 20:33:12 +0000
(16:33 -0400)
Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
drivers/md/dm-snap-persistent.c
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diff --git
a/drivers/md/dm-snap-persistent.c
b/drivers/md/dm-snap-persistent.c
index
63fab7c
..
8e329c3
100644
(file)
--- a/
drivers/md/dm-snap-persistent.c
+++ b/
drivers/md/dm-snap-persistent.c
@@
-284,16
+284,9
@@
static void skip_metadata(struct pstore *ps)
*/
static int area_io(struct pstore *ps, int op, int op_flags)
{
- int r;
- chunk_t chunk;
-
- chunk = area_location(ps, ps->current_area);
-
- r = chunk_io(ps, ps->area, chunk, op, op_flags, 0);
- if (r)
- return r;
+ chunk_t chunk = area_location(ps, ps->current_area);
- return
0
;
+ return
chunk_io(ps, ps->area, chunk, op, op_flags, 0)
;
}
static void zero_memory_area(struct pstore *ps)