drivers/md/dm-raid.c

1112  *    [[no]sync]			Force or prevent recovery of the
1179 	 *   4) Device hadn't completed recovery after previous failure.
1489 		rs->ti->error = "Bogus recovery rates";
1680 /* Setup recovery on @rs */
1694 	 * Other raid set types may skip recovery
2013  * - ongoing recovery
2424 			 * Partial recovery is performed on
2484 			clear_bit(In_sync, &rdev->flags); /* Mandatory for recovery */
2678 	 * avoid false recovery positives in the constructor.
3155 		 * one, prohibit requesting recovery, allow the raid
3167 		/* Takeover ain't recovery, so disable recovery */
3199 			/* Reshaping ain't recovery, so disable recovery */
3205 		/* May not set recovery when a device rebuild is requested */
3368 /* Return enum sync_state for @mddev derived from @recovery flags */
3369 static enum sync_state decipher_sync_action(struct mddev *mddev, unsigned long recovery)
3371 	if (test_bit(MD_RECOVERY_FROZEN, &recovery))
3375 	if (!test_bit(MD_RECOVERY_DONE, &recovery) &&
3376 	    (test_bit(MD_RECOVERY_RUNNING, &recovery) ||
3377 	     (!mddev->ro && test_bit(MD_RECOVERY_NEEDED, &recovery)))) {
3378 		if (test_bit(MD_RECOVERY_RESHAPE, &recovery))
3381 		if (test_bit(MD_RECOVERY_SYNC, &recovery)) {
3382 			if (!test_bit(MD_RECOVERY_REQUESTED, &recovery))
3384 			if (test_bit(MD_RECOVERY_CHECK, &recovery))
3389 		if (test_bit(MD_RECOVERY_RECOVER, &recovery))
3426 static sector_t rs_get_progress(struct raid_set *rs, unsigned long recovery,
3440 		if (state == st_idle && !test_bit(MD_RECOVERY_INTR, &recovery))
3450 			if (test_bit(MD_RECOVERY_RECOVER, &recovery))
3458 			 * Already retrieved recovery offset from curr_resync_completed above.
3478 		else if (test_bit(MD_RECOVERY_NEEDED, &recovery))
3480 			 * We are idle and recovery is needed, prevent 'A' chars race
3520 	unsigned long recovery;
3542 		recovery = rs->md.recovery;
3543 		state = decipher_sync_action(mddev, recovery);
3544 		progress = rs_get_progress(rs, recovery, state, resync_max_sectors);
3689 		recovery = rs->md.recovery;
3690 		state = decipher_sync_action(mddev, recovery);
3749 	clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
3750 	if (decipher_sync_action(mddev, mddev->recovery) != st_idle)
3755 		set_bit(MD_RECOVERY_RECOVER, &mddev->recovery);
3758 			set_bit(MD_RECOVERY_CHECK, &mddev->recovery);
3759 			set_bit(MD_RECOVERY_REQUESTED, &mddev->recovery);
3760 			set_bit(MD_RECOVERY_SYNC, &mddev->recovery);
3762 			set_bit(MD_RECOVERY_REQUESTED, &mddev->recovery);
3763 			set_bit(MD_RECOVERY_SYNC, &mddev->recovery);
3775 	set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
3871 		/* HM FIXME: enhance journal device recovery processing */
3977 	set_bit(MD_RECOVERY_WAIT, &mddev->recovery);
4062 		set_bit(MD_RECOVERY_REQUESTED, &mddev->recovery);
4104 		WARN_ON_ONCE(!test_bit(MD_RECOVERY_FROZEN, &mddev->recovery));
4105 		WARN_ON_ONCE(test_bit(MD_RECOVERY_RUNNING, &mddev->recovery));