Alexander Aring aaa9d8d842 fs: dlm: fix mismatch of plock results from userspace
[ Upstream commit 57e2c2f2d94cfd551af91cedfa1af6d972487197 ]

When a waiting plock request (F_SETLKW) is sent to userspace
for processing (dlm_controld), the result is returned at a
later time. That result could be incorrectly matched to a
different waiting request in cases where the owner field is
the same (e.g. different threads in a process.) This is fixed
by comparing all the properties in the request and reply.

The results for non-waiting plock requests are now matched
based on list order because the results are returned in the
same order they were sent.

Cc: stable@vger.kernel.org
Signed-off-by: Alexander Aring <aahringo@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-08-30 16:31:51 +02:00
..
2021-07-20 16:15:46 +02:00
2021-05-22 10:59:39 +02:00
2020-08-19 08:15:02 +02:00
2021-07-20 16:15:45 +02:00
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