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File remove_trylock of Package dmraid

Remove call to pthreads_mutex_trylock

Reference bnc
594388
This appears only to be in very recent releases of glibc.
Its presence causes

/sbin/dmraid -ay -p
The dynamic shared library "libdmraid-events-isw.so" could not be loaded:
    /lib/libdmraid-events-isw.so: undefined symbol: pthread_mutex_trylock

on openSUSE 11.3, it is is not used for anything except a simple
logging message.

Signed-off-by: NeilBrown <neilb@suse.de>

---
 1.0.0.rc16/lib/events/libdmraid-events-isw.c |    6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

--- dmraid.orig/1.0.0.rc16/lib/events/libdmraid-events-isw.c
+++ dmraid/1.0.0.rc16/lib/events/libdmraid-events-isw.c
@@ -1433,11 +1433,7 @@ void process_event(struct dm_task *dmt,
 	/*
 	 * Make sure, events are processed sequentially per RAID set.
 	 */
-	if (pthread_mutex_trylock(&rs->event_mutex)) {
-		syslog(LOG_NOTICE,
-		       "  Another thread is handling an event.  Waiting...");
-		pthread_mutex_lock(&rs->event_mutex);
-	}
+	pthread_mutex_lock(&rs->event_mutex);
 
 	do {
 		next = dm_get_next_target(dmt, next, &start, &length,

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File remove_trylock of Package dmraid

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