drivers/md/raid10.c

467 		rdev = conf->mirrors[dev].replacement;
478 			/* Never record new bad blocks to replacement,
760 		rdev = conf->mirrors[disk].replacement;
1250 				  struct bio *bio, bool replacement,
1259 	rdev = replacement ? conf->mirrors[devnum].replacement :
1264 	if (replacement)
1272 	if (!replacement && test_bit(FailFast,
1327 		rrdev = conf->mirrors[i].replacement;
1429 		rrdev = conf->mirrors[d].replacement;
1522 		struct md_rdev *rrdev = conf->mirrors[d].replacement;
1599 	rdev = repl ? conf->mirrors[dev].replacement :
1764 		rrdev = conf->mirrors[disk].replacement;
1837 			struct md_rdev *rrdev = conf->mirrors[disk].replacement;
2077 		if (tmp->replacement
2078 		    && tmp->replacement->recovery_offset == MaxSector
2079 		    && !test_bit(Faulty, &tmp->replacement->flags)
2080 		    && !test_and_set_bit(In_sync, &tmp->replacement->flags)) {
2094 			sysfs_notify_dirent_safe(tmp->replacement->sysfs_state);
2143 			    p->replacement == NULL && repl_slot < 0)
2170 		WRITE_ONCE(p->replacement, rdev);
2191 	else if (rdev == p->replacement)
2192 		rdevp = &p->replacement;
2206 	    (!p->replacement || p->replacement == rdev) &&
2213 	if (p->replacement) {
2215 		WRITE_ONCE(p->rdev, p->replacement);
2216 		clear_bit(Replacement, &p->replacement->flags);
2217 		WRITE_ONCE(p->replacement, NULL);
2311 		rdev = conf->mirrors[d].replacement;
2445 	/* Now write out to any replacement devices
2592 		atomic_inc(&conf->mirrors[d].replacement->nr_pending);
2912 			rdev = conf->mirrors[dev].replacement;
2950 			rdev = conf->mirrors[dev].replacement;
3059 		if (conf->mirrors[i].replacement)
3244 						conf->mirrors[i].replacement;
3330 			mreplace = mirror->replacement;
3350 			/* Unless we are doing a full sync, or a replacement
3466 				/* and maybe write to replacement */
3641 			rdev = conf->mirrors[d].replacement;
3647 			/* Need to set up for writing to the replacement */
3672 						conf->mirrors[d].replacement,
4069 			if (disk->replacement)
4071 			disk->replacement = rdev;
4123 		if (!disk->rdev && disk->replacement) {
4124 			/* The replacement is all we have - use it */
4125 			disk->rdev = disk->replacement;
4126 			disk->replacement = NULL;
4139 		if (disk->replacement &&
4140 		    !test_bit(In_sync, &disk->replacement->flags) &&
4141 		    disk->replacement->saved_raid_disk < 0) {
4843 			rdev2 = conf->mirrors[d].replacement;
4932 			rdev = conf->mirrors[d].replacement;
5061 	rdev = repl ? conf->mirrors[d].replacement :
5103 			rdev = conf->mirrors[d].replacement;