On Wed, 12 Feb 2020, John Dorminy wrote:
> > Also, the test "!dm_suspended(wc->ti)" in writecache_writeback is not
> > sufficient, because dm_suspended returns zero while writecache_suspend is
> > in progress. We add a variable wc->suspending and set it in
> > writecache_suspend. Without this v
> Also, the test "!dm_suspended(wc->ti)" in writecache_writeback is not
> sufficient, because dm_suspended returns zero while writecache_suspend is
> in progress. We add a variable wc->suspending and set it in
> writecache_suspend. Without this variable, drain_workqueue would spit
> warnings:
> wor
This patch fixes a crash in writecache_writeback when replacing the
dm-writecache target:
general protection fault: [#1] SMP PTI
CPU: 28 PID: 6388 Comm: kworker/28:2 Kdump: loaded Tainted: GW
- -t - 4.18.0-173.el8.x86_64 #1
Hardware name: Dell Inc. PowerEdge R830/0V