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dm writecache: remove superfluous test in persistent_memory_claim
author
Mikulas Patocka
<mpatocka@redhat.com>
Sun, 19 Apr 2020 08:34:00 +0000
(
04:34
-0400)
committer
Mike Snitzer
<snitzer@redhat.com>
Fri, 15 May 2020 14:29:36 +0000
(10:29 -0400)
Remove superfluous test if dax_dev is NULL - dax_direct_access already
does this test.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
drivers/md/dm-writecache.c
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diff --git
a/drivers/md/dm-writecache.c
b/drivers/md/dm-writecache.c
index
613c171
..
d29d3e2
100644
(file)
--- a/
drivers/md/dm-writecache.c
+++ b/
drivers/md/dm-writecache.c
@@
-234,10
+234,6
@@
static int persistent_memory_claim(struct dm_writecache *wc)
wc->memory_vmapped = false;
- if (!wc->ssd_dev->dax_dev) {
- r = -EOPNOTSUPP;
- goto err1;
- }
s = wc->memory_map_size;
p = s >> PAGE_SHIFT;
if (!p) {