Lines Matching full:zone
229 struct reada_zone *zone; in reada_find_zone() local
235 zone = NULL; in reada_find_zone()
237 ret = radix_tree_gang_lookup(&dev->reada_zones, (void **)&zone, in reada_find_zone()
239 if (ret == 1 && logical >= zone->start && logical <= zone->end) { in reada_find_zone()
240 kref_get(&zone->refcnt); in reada_find_zone()
242 return zone; in reada_find_zone()
255 zone = kzalloc(sizeof(*zone), GFP_KERNEL); in reada_find_zone()
256 if (!zone) in reada_find_zone()
261 kfree(zone); in reada_find_zone()
265 zone->start = start; in reada_find_zone()
266 zone->end = end; in reada_find_zone()
267 INIT_LIST_HEAD(&zone->list); in reada_find_zone()
268 spin_lock_init(&zone->lock); in reada_find_zone()
269 zone->locked = 0; in reada_find_zone()
270 kref_init(&zone->refcnt); in reada_find_zone()
271 zone->elems = 0; in reada_find_zone()
272 zone->device = dev; /* our device always sits at index 0 */ in reada_find_zone()
275 zone->devs[i] = bbio->stripes[i].dev; in reada_find_zone()
277 zone->ndevs = bbio->num_stripes; in reada_find_zone()
281 (unsigned long)(zone->end >> PAGE_SHIFT), in reada_find_zone()
282 zone); in reada_find_zone()
285 kfree(zone); in reada_find_zone()
286 ret = radix_tree_gang_lookup(&dev->reada_zones, (void **)&zone, in reada_find_zone()
288 if (ret == 1 && logical >= zone->start && logical <= zone->end) in reada_find_zone()
289 kref_get(&zone->refcnt); in reada_find_zone()
291 zone = NULL; in reada_find_zone()
296 return zone; in reada_find_zone()
353 struct reada_zone *zone; in reada_find_extent() local
361 zone = reada_find_zone(dev, logical, bbio); in reada_find_extent()
362 if (!zone) in reada_find_extent()
365 re->zones[re->nzones++] = zone; in reada_find_extent()
366 spin_lock(&zone->lock); in reada_find_extent()
367 if (!zone->elems) in reada_find_extent()
368 kref_get(&zone->refcnt); in reada_find_extent()
369 ++zone->elems; in reada_find_extent()
370 spin_unlock(&zone->lock); in reada_find_extent()
372 kref_put(&zone->refcnt, reada_zone_release); in reada_find_extent()
376 /* not a single zone found, error and out */ in reada_find_extent()
413 * in case of DUP, just add the first zone. As both in reada_find_extent()
464 struct reada_zone *zone; in reada_find_extent() local
466 zone = re->zones[nzones]; in reada_find_extent()
467 kref_get(&zone->refcnt); in reada_find_extent()
468 spin_lock(&zone->lock); in reada_find_extent()
469 --zone->elems; in reada_find_extent()
470 if (zone->elems == 0) { in reada_find_extent()
475 kref_put(&zone->refcnt, reada_zone_release); in reada_find_extent()
477 spin_unlock(&zone->lock); in reada_find_extent()
480 kref_put(&zone->refcnt, reada_zone_release); in reada_find_extent()
502 struct reada_zone *zone = re->zones[i]; in reada_extent_put() local
504 radix_tree_delete(&zone->device->reada_extents, index); in reada_extent_put()
510 struct reada_zone *zone = re->zones[i]; in reada_extent_put() local
512 kref_get(&zone->refcnt); in reada_extent_put()
513 spin_lock(&zone->lock); in reada_extent_put()
514 --zone->elems; in reada_extent_put()
515 if (zone->elems == 0) { in reada_extent_put()
518 kref_put(&zone->refcnt, reada_zone_release); in reada_extent_put()
520 spin_unlock(&zone->lock); in reada_extent_put()
523 kref_put(&zone->refcnt, reada_zone_release); in reada_extent_put()
532 struct reada_zone *zone = container_of(kref, struct reada_zone, refcnt); in reada_zone_release() local
534 radix_tree_delete(&zone->device->reada_zones, in reada_zone_release()
535 zone->end >> PAGE_SHIFT); in reada_zone_release()
537 kfree(zone); in reada_zone_release()
582 static void reada_peer_zones_set_lock(struct reada_zone *zone, int lock) in reada_peer_zones_set_lock() argument
585 unsigned long index = zone->end >> PAGE_SHIFT; in reada_peer_zones_set_lock()
587 for (i = 0; i < zone->ndevs; ++i) { in reada_peer_zones_set_lock()
589 peer = radix_tree_lookup(&zone->devs[i]->reada_zones, index); in reada_peer_zones_set_lock()
590 if (peer && peer->device != zone->device) in reada_peer_zones_set_lock()
612 /* pick the zone with the most elements */ in reada_pick_zone()
614 struct reada_zone *zone; in reada_pick_zone() local
617 (void **)&zone, index, 1); in reada_pick_zone()
620 index = (zone->end >> PAGE_SHIFT) + 1; in reada_pick_zone()
621 if (zone->locked) { in reada_pick_zone()
622 if (zone->elems > top_locked_elems) { in reada_pick_zone()
623 top_locked_elems = zone->elems; in reada_pick_zone()
624 top_locked_zone = zone; in reada_pick_zone()
627 if (zone->elems > top_elems) { in reada_pick_zone()
628 top_elems = zone->elems; in reada_pick_zone()
629 top_zone = zone; in reada_pick_zone()
859 struct reada_zone *zone; in dump_devs() local
861 (void **)&zone, index, 1); in dump_devs()
864 pr_debug(" zone %llu-%llu elems %llu locked %d devs", in dump_devs()
865 zone->start, zone->end, zone->elems, in dump_devs()
866 zone->locked); in dump_devs()
867 for (j = 0; j < zone->ndevs; ++j) { in dump_devs()
869 zone->devs[j]->devid); in dump_devs()
871 if (device->reada_curr_zone == zone) in dump_devs()
873 device->reada_next - zone->start); in dump_devs()
875 index = (zone->end >> PAGE_SHIFT) + 1; in dump_devs()
891 pr_cont(" zone %llu-%llu devs", in dump_devs()
923 pr_cont(" zone %llu-%llu devs", in dump_devs()