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Use list_remove_head() where possible.

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... instead of list_head() + list_remove().  On FreeBSD the list
functions are not inlined, so in addition to more compact code
this also saves another function call.

Reviewed-by: Brian Atkinson <batkinson@lanl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by:	Alexander Motin <mav@FreeBSD.org>
Sponsored by:	iXsystems, Inc.
Closes #14955
This commit is contained in:
Alexander Motin
2023-06-09 13:12:52 -04:00
committed by GitHub
parent 55b1842f92
commit b3ad3f48d9
20 changed files with 34 additions and 76 deletions
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module/zfs/dsl_scan.c
+1 -3
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@@ -3437,10 +3437,8 @@ scan_io_queues_run_one(void *arg)
* If we were suspended in the middle of processing,
* requeue any unfinished sios and exit.
*/
while ((sio = list_head(&sio_list)) != NULL) {
list_remove(&sio_list, sio);
while ((sio = list_remove_head(&sio_list)) != NULL)
scan_io_queue_insert_impl(queue, sio);
}
queue->q_zio = NULL;
mutex_exit(q_lock);