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Revert "dm crypt: export sysfs of kcryptd workqueue" 

This reverts commit a2b8b2d975.

WQ_SYSFS breaks the ability to reload a DM table due to sysfs kobject
collision (due to active and inactive table). Given lack of
demonstrated need for exposing this workqueue via sysfs: revert
exposing it.

Reported-by: Ignat Korchagin <ignat@cloudflare.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
This commit is contained in:
Mike Snitzer 2020-12-28 16:13:52 -05:00
parent b77709237e
commit 48b0777cd9
1 changed files with 3 additions and 4 deletions
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7
drivers/md/dm-crypt.c
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@ -3166,12 +3166,11 @@ static int crypt_ctr(struct dm_target *ti, unsigned int argc, char **argv)
}
if (test_bit(DM_CRYPT_SAME_CPU, &cc->flags))
cc->crypt_queue = alloc_workqueue("kcryptd-%s", 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_CPU_INTENSIVE | WQ_MEM_RECLAIM |
WQ_UNBOUND | WQ_SYSFS,
cc->crypt_queue = alloc_workqueue("kcryptd/%s",
WQ_CPU_INTENSIVE | WQ_MEM_RECLAIM | WQ_UNBOUND,
num_online_cpus(), devname);
if (!cc->crypt_queue) {
ti->error = "Couldn't create kcryptd queue";