Commit 499c1804 authored Apr 19, 2020 by Mikulas Patocka Committed by Mike Snitzer May 15, 2020

dm writecache: remove superfluous test in persistent_memory_claim



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>

parent 9431cf6e

drivers/md/dm-writecache.c

+0 −4

Original line number	Diff line number	Diff line
		@@ -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) {

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