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(parent: 830ffff) | patch
dm writecache: reject asynchronous pmem devices
authorMichal Suchanek <msuchanek@suse.de>
Tue, 30 Jun 2020 15:49:24 +0000 (17:49 +0200)
committerMike Snitzer <snitzer@redhat.com>
Wed, 8 Jul 2020 15:06:57 +0000 (11:06 -0400)
commitf32ba3fc80afb1e46a52cd0cfc47955481ba0110
tree26716b5314274854e059edb71bd7396c0f8e559ftree | snapshot
parent830ffff0971710a7a1fb9ec82dd191ef22305c05commit | diff
dm writecache: reject asynchronous pmem devices

DM writecache does not handle asynchronous pmem. Reject it when
supplied as cache.

Link: https://lore.kernel.org/linux-nvdimm/87lfk5hahc.fsf@linux.ibm.com/
Fixes: 8a509cfdf794 ("virtio-pmem: Add virtio pmem driver")
Signed-off-by: Michal Suchanek <msuchanek@suse.de>
Acked-by: Mikulas Patocka <mpatocka@redhat.com>
Cc: stable@vger.kernel.org # 5.3+
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
drivers/md/dm-writecache.c diff | blob | history
Linux Kernel Source Tree.