[PATCH 5.4 07/66] Revert "dm crypt: use WQ_HIGHPRI for the IO and crypt workqueues"

From: Greg Kroah-Hartman
Date: Wed Nov 27 2019 - 16:12:56 EST


From: Mike Snitzer <snitzer@xxxxxxxxxx>

commit f612b2132db529feac4f965f28a1b9258ea7c22b upstream.

This reverts commit a1b89132dc4f61071bdeaab92ea958e0953380a1.

Revert required hand-patching due to subsequent changes that were
applied since commit a1b89132dc4f61071bdeaab92ea958e0953380a1.

Requires: ed0302e83098d ("dm crypt: make workqueue names device-specific")
Cc: stable@xxxxxxxxxxxxxxx
Bug: https://bugzilla.kernel.org/show_bug.cgi?id=199857
Reported-by: Vito Caputo <vcaputo@xxxxxxxxxxx>
Signed-off-by: Mike Snitzer <snitzer@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
drivers/md/dm-crypt.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)

--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -2700,21 +2700,18 @@ static int crypt_ctr(struct dm_target *t
}

ret = -ENOMEM;
- cc->io_queue = alloc_workqueue("kcryptd_io/%s",
- WQ_HIGHPRI | WQ_CPU_INTENSIVE | WQ_MEM_RECLAIM,
- 1, devname);
+ cc->io_queue = alloc_workqueue("kcryptd_io/%s", WQ_MEM_RECLAIM, 1, devname);
if (!cc->io_queue) {
ti->error = "Couldn't create kcryptd io queue";
goto bad;
}

if (test_bit(DM_CRYPT_SAME_CPU, &cc->flags))
- cc->crypt_queue = alloc_workqueue("kcryptd/%s",
- WQ_HIGHPRI | WQ_CPU_INTENSIVE | WQ_MEM_RECLAIM,
+ cc->crypt_queue = alloc_workqueue("kcryptd/%s", WQ_CPU_INTENSIVE | WQ_MEM_RECLAIM,
1, devname);
else
cc->crypt_queue = alloc_workqueue("kcryptd/%s",
- WQ_HIGHPRI | WQ_CPU_INTENSIVE | WQ_MEM_RECLAIM | WQ_UNBOUND,
+ WQ_CPU_INTENSIVE | WQ_MEM_RECLAIM | WQ_UNBOUND,
num_online_cpus(), devname);
if (!cc->crypt_queue) {
ti->error = "Couldn't create kcryptd queue";