diff options
| author | Alexander Aring <aahringo@redhat.com> | 2024-04-02 15:18:06 -0400 |
|---|---|---|
| committer | David Teigland <teigland@redhat.com> | 2024-04-09 11:44:49 -0500 |
| commit | c288745f1d4a2ead903e81d2f4716e9d40b0ad85 (patch) | |
| tree | 7ecb927ca1d0e6898c78b3ec6c974304dc2e1e58 /fs/dlm/lockspace.c | |
| parent | cc396e2355b5ca6e1aee005f3ce99bab8f37f5ff (diff) | |
dlm: avoid blocking receive at the end of recovery
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>
Diffstat (limited to 'fs/dlm/lockspace.c')
| -rw-r--r-- | fs/dlm/lockspace.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/fs/dlm/lockspace.c b/fs/dlm/lockspace.c index 945139805605..757e473bc619 100644 --- a/fs/dlm/lockspace.c +++ b/fs/dlm/lockspace.c @@ -554,9 +554,7 @@ static int new_lockspace(const char *name, const char *cluster, init_rwsem(&ls->ls_in_recovery); init_rwsem(&ls->ls_recv_active); INIT_LIST_HEAD(&ls->ls_requestqueue); - atomic_set(&ls->ls_requestqueue_cnt, 0); - init_waitqueue_head(&ls->ls_requestqueue_wait); - mutex_init(&ls->ls_requestqueue_mutex); + rwlock_init(&ls->ls_requestqueue_lock); spin_lock_init(&ls->ls_clear_proc_locks); /* Due backwards compatibility with 3.1 we need to use maximum |