fs/dlm/lock.c

194 	printk(KERN_ERR "rsb convert queue:\n");
1647 /* add/remove lkb to rsb's grant/convert/wait queue */
1795 	/* Cancel state was preemptively cleared by a successful convert,
1805 	/* Remove for the convert reply, and premptively remove for the
1806 	   cancel reply.  A convert has been granted while there's still
1809 	   because the app gets the convert result and then can follow up
1810 	   with another op, like convert.  This subsequent op would see the
1999 /* Manipulate lkb's on rsb's convert/granted/waiting queues
2001    revert_lock -- used for cancel, moves lkb from convert to granted
2002    grant_lock  -- used for request and convert, adds lkb to granted or
2003                   moves lkb from convert or waiting to granted
2174  * convert queue from being granted, then deadlk/demote lkb.
2195  * resolving it (by demotion) would lead to the first lock on the convert
2197  * between locks on the convert queue while they couldn't be granted anyway.
2201  * lkb1 exists anywhere in the convert queue and lkb2 comes in with a granted
2203  * deadlk/demote on lkb2 right away and don't let it onto the convert queue.
2206  * both already on the convert queue.
2325 	 * doesn't _have_ to go onto the convert queue where it's processed in
2328 	 * convert is moved to the conversion queue the condition below applies
2336 	 * Even if the convert is compat with all granted locks,
2337 	 * QUECVT forces it behind other locks on the convert queue.
2546    on either the convert or waiting queue.
2547    high is the largest rqmode of all locks blocked on the convert or
2583 	 * If there are locks left on the wait/convert queue then send blocking
3095 	   the ast for the convert. */
3118 		/* else fall through and move to convert queue */
3258 /* remove an existing lkb from the convert or wait queue */
3393 	int error, convert = flags & DLM_LKF_CONVERT;
3401 	if (convert)
3416 	if (convert)
3426 	if (convert || error)
4516 		/* convert would block (be queued) on remote master */
4527 		/* convert was queued on remote master */
4536 		/* convert was granted on remote master */
5467  * we are interested in are those with lkb's on either the convert or
5471  * convert or waiting queues, and attempt to grant on those rsbs.