drivers/md/md.c

2774 	if (mddev->degraded)
2775 		/* If the array is degraded, then skipping spares is both
2782 		 * be degraded any more and the spare can go back to sleep then.
2910 	if (mddev->degraded)
4059 	mddev->degraded = 0;
4086 		mddev->sysfs_degraded = sysfs_get_dirent_safe(mddev->kobj.sd, "degraded");
4999 	return sprintf(page, "%d\n", mddev->degraded);
5001 static struct md_sysfs_entry md_degraded = __ATTR_RO(degraded);
6024 		if (mddev->degraded)
6038 		mddev->sysfs_degraded = sysfs_get_dirent_safe(mddev->kobj.sd, "degraded");
6058 	if (mddev->degraded && !mddev->ro)
6214 	mddev->degraded = 0;
8003 	if (mddev->degraded)
9192  *  5/ If array is degraded, try to add spares devices
9383 	    mddev->degraded != mddev->raid_disks) {
9398 	/* If array is no-longer degraded, then any saved_raid_disk
9401 	if (!mddev->degraded)
9727 	 * device In_sync and mddev->degraded