dlm: avoid blocking receive at the end of recovery

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The end of the recovery process transitioned to normal message
processing by temporarily blocking the receiving context,
processing saved messages, then unblocking the receiving
context.  To avoid blocking the receiving context, the old
wait_queue and mutex are replaced by a new rwlock and the new
RECV_MSG_BLOCKED flag.  Received messages are added to the
list of saved messages, protected by the rwlock, until the
flag is cleared, which happens when all saved messages have
been processed.

Signed-off-by: Alexander Aring <aahringo@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>

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Alexander Aring 2024-04-02 15:18:06 -04:00 • committed by David Teigland

parent cc396e2355

commit c288745f1d

5 changed files with 30 additions and 41 deletions

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5

fs/dlm/dlm_internal.h

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16

fs/dlm/lock.c

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4

fs/dlm/lockspace.c

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5

fs/dlm/member.c

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41

fs/dlm/requestqueue.c

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