Lines Matching refs:r10_bio
73 static void reshape_request_write(struct mddev *mddev, struct r10bio *r10_bio);
134 struct r10bio *r10_bio; in r10buf_pool_alloc() local
140 r10_bio = r10bio_pool_alloc(gfp_flags, conf); in r10buf_pool_alloc()
141 if (!r10_bio) in r10buf_pool_alloc()
167 r10_bio->devs[j].bio = bio; in r10buf_pool_alloc()
174 r10_bio->devs[j].repl_bio = bio; in r10buf_pool_alloc()
181 struct bio *rbio = r10_bio->devs[j].repl_bio; in r10buf_pool_alloc()
188 bio = r10_bio->devs[j].bio; in r10buf_pool_alloc()
199 rp->raid_bio = r10_bio; in r10buf_pool_alloc()
207 return r10_bio; in r10buf_pool_alloc()
216 if (r10_bio->devs[j].bio) in r10buf_pool_alloc()
217 bio_uninit(r10_bio->devs[j].bio); in r10buf_pool_alloc()
218 kfree(r10_bio->devs[j].bio); in r10buf_pool_alloc()
219 if (r10_bio->devs[j].repl_bio) in r10buf_pool_alloc()
220 bio_uninit(r10_bio->devs[j].repl_bio); in r10buf_pool_alloc()
221 kfree(r10_bio->devs[j].repl_bio); in r10buf_pool_alloc()
225 rbio_pool_free(r10_bio, conf); in r10buf_pool_alloc()
259 static void put_all_bios(struct r10conf *conf, struct r10bio *r10_bio) in put_all_bios() argument
264 struct bio **bio = & r10_bio->devs[i].bio; in put_all_bios()
268 bio = &r10_bio->devs[i].repl_bio; in put_all_bios()
269 if (r10_bio->read_slot < 0 && !BIO_SPECIAL(*bio)) in put_all_bios()
275 static void free_r10bio(struct r10bio *r10_bio) in free_r10bio() argument
277 struct r10conf *conf = r10_bio->mddev->private; in free_r10bio()
279 put_all_bios(conf, r10_bio); in free_r10bio()
280 mempool_free(r10_bio, &conf->r10bio_pool); in free_r10bio()
283 static void put_buf(struct r10bio *r10_bio) in put_buf() argument
285 struct r10conf *conf = r10_bio->mddev->private; in put_buf()
287 mempool_free(r10_bio, &conf->r10buf_pool); in put_buf()
298 static void reschedule_retry(struct r10bio *r10_bio) in reschedule_retry() argument
301 struct mddev *mddev = r10_bio->mddev; in reschedule_retry()
305 list_add(&r10_bio->retry_list, &conf->retry_list); in reschedule_retry()
320 static void raid_end_bio_io(struct r10bio *r10_bio) in raid_end_bio_io() argument
322 struct bio *bio = r10_bio->master_bio; in raid_end_bio_io()
323 struct r10conf *conf = r10_bio->mddev->private; in raid_end_bio_io()
325 if (!test_bit(R10BIO_Uptodate, &r10_bio->state)) in raid_end_bio_io()
335 free_r10bio(r10_bio); in raid_end_bio_io()
341 static inline void update_head_pos(int slot, struct r10bio *r10_bio) in update_head_pos() argument
343 struct r10conf *conf = r10_bio->mddev->private; in update_head_pos()
345 conf->mirrors[r10_bio->devs[slot].devnum].head_position = in update_head_pos()
346 r10_bio->devs[slot].addr + (r10_bio->sectors); in update_head_pos()
352 static int find_bio_disk(struct r10conf *conf, struct r10bio *r10_bio, in find_bio_disk() argument
359 if (r10_bio->devs[slot].bio == bio) in find_bio_disk()
361 if (r10_bio->devs[slot].repl_bio == bio) { in find_bio_disk()
367 update_head_pos(slot, r10_bio); in find_bio_disk()
373 return r10_bio->devs[slot].devnum; in find_bio_disk()
379 struct r10bio *r10_bio = bio->bi_private; in raid10_end_read_request() local
382 struct r10conf *conf = r10_bio->mddev->private; in raid10_end_read_request()
384 slot = r10_bio->read_slot; in raid10_end_read_request()
385 rdev = r10_bio->devs[slot].rdev; in raid10_end_read_request()
389 update_head_pos(slot, r10_bio); in raid10_end_read_request()
401 set_bit(R10BIO_Uptodate, &r10_bio->state); in raid10_end_read_request()
408 if (!_enough(conf, test_bit(R10BIO_Previous, &r10_bio->state), in raid10_end_read_request()
413 raid_end_bio_io(r10_bio); in raid10_end_read_request()
422 (unsigned long long)r10_bio->sector); in raid10_end_read_request()
423 set_bit(R10BIO_ReadError, &r10_bio->state); in raid10_end_read_request()
424 reschedule_retry(r10_bio); in raid10_end_read_request()
428 static void close_write(struct r10bio *r10_bio) in close_write() argument
431 md_bitmap_endwrite(r10_bio->mddev->bitmap, r10_bio->sector, in close_write()
432 r10_bio->sectors, in close_write()
433 !test_bit(R10BIO_Degraded, &r10_bio->state), in close_write()
435 md_write_end(r10_bio->mddev); in close_write()
438 static void one_write_done(struct r10bio *r10_bio) in one_write_done() argument
440 if (atomic_dec_and_test(&r10_bio->remaining)) { in one_write_done()
441 if (test_bit(R10BIO_WriteError, &r10_bio->state)) in one_write_done()
442 reschedule_retry(r10_bio); in one_write_done()
444 close_write(r10_bio); in one_write_done()
445 if (test_bit(R10BIO_MadeGood, &r10_bio->state)) in one_write_done()
446 reschedule_retry(r10_bio); in one_write_done()
448 raid_end_bio_io(r10_bio); in one_write_done()
455 struct r10bio *r10_bio = bio->bi_private; in raid10_end_write_request() local
458 struct r10conf *conf = r10_bio->mddev->private; in raid10_end_write_request()
466 dev = find_bio_disk(conf, r10_bio, bio, &slot, &repl); in raid10_end_write_request()
501 set_bit(R10BIO_WriteError, &r10_bio->state); in raid10_end_write_request()
504 set_bit(R10BIO_Degraded, &r10_bio->state); in raid10_end_write_request()
505 r10_bio->devs[slot].bio = NULL; in raid10_end_write_request()
533 set_bit(R10BIO_Uptodate, &r10_bio->state); in raid10_end_write_request()
537 r10_bio->devs[slot].addr, in raid10_end_write_request()
538 r10_bio->sectors, in raid10_end_write_request()
542 r10_bio->devs[slot].repl_bio = IO_MADE_GOOD; in raid10_end_write_request()
544 r10_bio->devs[slot].bio = IO_MADE_GOOD; in raid10_end_write_request()
546 set_bit(R10BIO_MadeGood, &r10_bio->state); in raid10_end_write_request()
555 one_write_done(r10_bio); in raid10_end_write_request()
730 struct r10bio *r10_bio, in read_balance() argument
733 const sector_t this_sector = r10_bio->sector; in read_balance()
735 int sectors = r10_bio->sectors; in read_balance()
745 raid10_find_phys(conf, r10_bio); in read_balance()
754 clear_bit(R10BIO_FailFast, &r10_bio->state); in read_balance()
775 if (r10_bio->devs[slot].bio == IO_BLOCKED) in read_balance()
777 disk = r10_bio->devs[slot].devnum; in read_balance()
780 r10_bio->devs[slot].addr + sectors > in read_balance()
794 r10_bio->devs[slot].addr + sectors > rdev->recovery_offset) in read_balance()
797 dev_sector = r10_bio->devs[slot].addr; in read_balance()
843 set_bit(R10BIO_FailFast, &r10_bio->state); in read_balance()
853 new_distance = r10_bio->devs[slot].addr; in read_balance()
855 new_distance = abs(r10_bio->devs[slot].addr - in read_balance()
876 r10_bio->read_slot = slot; in read_balance()
1098 static sector_t choose_data_offset(struct r10bio *r10_bio, in choose_data_offset() argument
1102 test_bit(R10BIO_Previous, &r10_bio->state)) in choose_data_offset()
1173 struct r10bio *r10_bio, bool io_accounting) in raid10_read_request() argument
1182 int slot = r10_bio->read_slot; in raid10_read_request()
1186 if (slot >= 0 && r10_bio->devs[slot].rdev) { in raid10_read_request()
1202 disk = r10_bio->devs[slot].devnum; in raid10_read_request()
1209 err_rdev = r10_bio->devs[slot].rdev; in raid10_read_request()
1214 if (!regular_request_wait(mddev, conf, bio, r10_bio->sectors)) in raid10_read_request()
1216 rdev = read_balance(conf, r10_bio, &max_sectors); in raid10_read_request()
1221 (unsigned long long)r10_bio->sector); in raid10_read_request()
1223 raid_end_bio_io(r10_bio); in raid10_read_request()
1230 (unsigned long long)r10_bio->sector); in raid10_read_request()
1239 r10_bio->master_bio = bio; in raid10_read_request()
1240 r10_bio->sectors = max_sectors; in raid10_read_request()
1242 slot = r10_bio->read_slot; in raid10_read_request()
1246 r10_bio->master_bio = bio; in raid10_read_request()
1250 r10_bio->devs[slot].bio = read_bio; in raid10_read_request()
1251 r10_bio->devs[slot].rdev = rdev; in raid10_read_request()
1253 read_bio->bi_iter.bi_sector = r10_bio->devs[slot].addr + in raid10_read_request()
1254 choose_data_offset(r10_bio, rdev); in raid10_read_request()
1258 test_bit(R10BIO_FailFast, &r10_bio->state)) in raid10_read_request()
1260 read_bio->bi_private = r10_bio; in raid10_read_request()
1264 r10_bio->sector); in raid10_read_request()
1269 static void raid10_write_one_disk(struct mddev *mddev, struct r10bio *r10_bio, in raid10_write_one_disk() argument
1279 int devnum = r10_bio->devs[n_copy].devnum; in raid10_write_one_disk()
1294 r10_bio->devs[n_copy].repl_bio = mbio; in raid10_write_one_disk()
1296 r10_bio->devs[n_copy].bio = mbio; in raid10_write_one_disk()
1298 mbio->bi_iter.bi_sector = (r10_bio->devs[n_copy].addr + in raid10_write_one_disk()
1299 choose_data_offset(r10_bio, rdev)); in raid10_write_one_disk()
1306 mbio->bi_private = r10_bio; in raid10_write_one_disk()
1310 r10_bio->sector); in raid10_write_one_disk()
1314 atomic_inc(&r10_bio->remaining); in raid10_write_one_disk()
1343 static void wait_blocked_dev(struct mddev *mddev, struct r10bio *r10_bio) in wait_blocked_dev() argument
1369 sector_t dev_sector = r10_bio->devs[i].addr; in wait_blocked_dev()
1377 if (!r10_bio->sectors) in wait_blocked_dev()
1380 is_bad = is_badblock(rdev, dev_sector, r10_bio->sectors, in wait_blocked_dev()
1408 struct r10bio *r10_bio) in raid10_write_request() argument
1436 sectors = r10_bio->sectors; in raid10_write_request()
1472 r10_bio->read_slot = -1; /* make sure repl_bio gets freed */ in raid10_write_request()
1473 raid10_find_phys(conf, r10_bio); in raid10_write_request()
1475 wait_blocked_dev(mddev, r10_bio); in raid10_write_request()
1478 max_sectors = r10_bio->sectors; in raid10_write_request()
1481 int d = r10_bio->devs[i].devnum; in raid10_write_request()
1490 r10_bio->devs[i].bio = NULL; in raid10_write_request()
1491 r10_bio->devs[i].repl_bio = NULL; in raid10_write_request()
1494 set_bit(R10BIO_Degraded, &r10_bio->state); in raid10_write_request()
1499 sector_t dev_sector = r10_bio->devs[i].addr; in raid10_write_request()
1530 r10_bio->devs[i].bio = bio; in raid10_write_request()
1534 r10_bio->devs[i].repl_bio = bio; in raid10_write_request()
1540 if (max_sectors < r10_bio->sectors) in raid10_write_request()
1541 r10_bio->sectors = max_sectors; in raid10_write_request()
1543 if (r10_bio->sectors < bio_sectors(bio)) { in raid10_write_request()
1544 struct bio *split = bio_split(bio, r10_bio->sectors, in raid10_write_request()
1551 r10_bio->master_bio = bio; in raid10_write_request()
1555 r10_bio->master_bio = bio; in raid10_write_request()
1556 atomic_set(&r10_bio->remaining, 1); in raid10_write_request()
1557 md_bitmap_startwrite(mddev->bitmap, r10_bio->sector, r10_bio->sectors, 0); in raid10_write_request()
1560 if (r10_bio->devs[i].bio) in raid10_write_request()
1561 raid10_write_one_disk(mddev, r10_bio, bio, false, i); in raid10_write_request()
1562 if (r10_bio->devs[i].repl_bio) in raid10_write_request()
1563 raid10_write_one_disk(mddev, r10_bio, bio, true, i); in raid10_write_request()
1565 one_write_done(r10_bio); in raid10_write_request()
1571 struct r10bio *r10_bio; in __make_request() local
1573 r10_bio = mempool_alloc(&conf->r10bio_pool, GFP_NOIO); in __make_request()
1575 r10_bio->master_bio = bio; in __make_request()
1576 r10_bio->sectors = sectors; in __make_request()
1578 r10_bio->mddev = mddev; in __make_request()
1579 r10_bio->sector = bio->bi_iter.bi_sector; in __make_request()
1580 r10_bio->state = 0; in __make_request()
1581 r10_bio->read_slot = -1; in __make_request()
1582 memset(r10_bio->devs, 0, sizeof(r10_bio->devs[0]) * in __make_request()
1586 raid10_read_request(mddev, bio, r10_bio, true); in __make_request()
1588 raid10_write_request(mddev, bio, r10_bio); in __make_request()
1615 struct r10bio *r10_bio = bio->bi_private; in raid10_end_discard_request() local
1616 struct r10conf *conf = r10_bio->mddev->private; in raid10_end_discard_request()
1624 if (!test_bit(R10BIO_Uptodate, &r10_bio->state)) in raid10_end_discard_request()
1625 set_bit(R10BIO_Uptodate, &r10_bio->state); in raid10_end_discard_request()
1627 dev = find_bio_disk(conf, r10_bio, bio, &slot, &repl); in raid10_end_discard_request()
1640 raid_end_discard_bio(r10_bio); in raid10_end_discard_request()
1656 struct r10bio *r10_bio, *first_r10bio; in raid10_handle_discard() local
1761 r10_bio = mempool_alloc(&conf->r10bio_pool, GFP_NOIO); in raid10_handle_discard()
1762 r10_bio->mddev = mddev; in raid10_handle_discard()
1763 r10_bio->state = 0; in raid10_handle_discard()
1764 r10_bio->sectors = 0; in raid10_handle_discard()
1765 memset(r10_bio->devs, 0, sizeof(r10_bio->devs[0]) * geo->raid_disks); in raid10_handle_discard()
1766 wait_blocked_dev(mddev, r10_bio); in raid10_handle_discard()
1776 r10_bio->master_bio = bio; in raid10_handle_discard()
1777 set_bit(R10BIO_Discard, &r10_bio->state); in raid10_handle_discard()
1779 first_r10bio = r10_bio; in raid10_handle_discard()
1781 r10_bio->master_bio = (struct bio *)first_r10bio; in raid10_handle_discard()
1793 r10_bio->devs[disk].bio = NULL; in raid10_handle_discard()
1794 r10_bio->devs[disk].repl_bio = NULL; in raid10_handle_discard()
1804 r10_bio->devs[disk].bio = bio; in raid10_handle_discard()
1808 r10_bio->devs[disk].repl_bio = bio; in raid10_handle_discard()
1814 atomic_set(&r10_bio->remaining, 1); in raid10_handle_discard()
1851 if (r10_bio->devs[disk].bio) { in raid10_handle_discard()
1856 mbio->bi_private = r10_bio; in raid10_handle_discard()
1857 r10_bio->devs[disk].bio = mbio; in raid10_handle_discard()
1858 r10_bio->devs[disk].devnum = disk; in raid10_handle_discard()
1859 atomic_inc(&r10_bio->remaining); in raid10_handle_discard()
1861 dev_start + choose_data_offset(r10_bio, rdev), in raid10_handle_discard()
1865 if (r10_bio->devs[disk].repl_bio) { in raid10_handle_discard()
1870 rbio->bi_private = r10_bio; in raid10_handle_discard()
1871 r10_bio->devs[disk].repl_bio = rbio; in raid10_handle_discard()
1872 r10_bio->devs[disk].devnum = disk; in raid10_handle_discard()
1873 atomic_inc(&r10_bio->remaining); in raid10_handle_discard()
1875 dev_start + choose_data_offset(r10_bio, rrdev), in raid10_handle_discard()
1887 raid_end_discard_bio(r10_bio); in raid10_handle_discard()
1892 raid_end_discard_bio(r10_bio); in raid10_handle_discard()
2278 static void __end_sync_read(struct r10bio *r10_bio, struct bio *bio, int d) in __end_sync_read() argument
2280 struct r10conf *conf = r10_bio->mddev->private; in __end_sync_read()
2283 set_bit(R10BIO_Uptodate, &r10_bio->state); in __end_sync_read()
2288 atomic_add(r10_bio->sectors, in __end_sync_read()
2295 if (test_bit(R10BIO_IsRecover, &r10_bio->state) || in __end_sync_read()
2296 atomic_dec_and_test(&r10_bio->remaining)) { in __end_sync_read()
2300 reschedule_retry(r10_bio); in __end_sync_read()
2306 struct r10bio *r10_bio = get_resync_r10bio(bio); in end_sync_read() local
2307 struct r10conf *conf = r10_bio->mddev->private; in end_sync_read()
2308 int d = find_bio_disk(conf, r10_bio, bio, NULL, NULL); in end_sync_read()
2310 __end_sync_read(r10_bio, bio, d); in end_sync_read()
2316 struct r10bio *r10_bio = bio->bi_private; in end_reshape_read() local
2318 __end_sync_read(r10_bio, bio, r10_bio->read_slot); in end_reshape_read()
2321 static void end_sync_request(struct r10bio *r10_bio) in end_sync_request() argument
2323 struct mddev *mddev = r10_bio->mddev; in end_sync_request()
2325 while (atomic_dec_and_test(&r10_bio->remaining)) { in end_sync_request()
2326 if (r10_bio->master_bio == NULL) { in end_sync_request()
2328 sector_t s = r10_bio->sectors; in end_sync_request()
2329 if (test_bit(R10BIO_MadeGood, &r10_bio->state) || in end_sync_request()
2330 test_bit(R10BIO_WriteError, &r10_bio->state)) in end_sync_request()
2331 reschedule_retry(r10_bio); in end_sync_request()
2333 put_buf(r10_bio); in end_sync_request()
2337 struct r10bio *r10_bio2 = (struct r10bio *)r10_bio->master_bio; in end_sync_request()
2338 if (test_bit(R10BIO_MadeGood, &r10_bio->state) || in end_sync_request()
2339 test_bit(R10BIO_WriteError, &r10_bio->state)) in end_sync_request()
2340 reschedule_retry(r10_bio); in end_sync_request()
2342 put_buf(r10_bio); in end_sync_request()
2343 r10_bio = r10_bio2; in end_sync_request()
2350 struct r10bio *r10_bio = get_resync_r10bio(bio); in end_sync_write() local
2351 struct mddev *mddev = r10_bio->mddev; in end_sync_write()
2360 d = find_bio_disk(conf, r10_bio, bio, &slot, &repl); in end_sync_write()
2374 set_bit(R10BIO_WriteError, &r10_bio->state); in end_sync_write()
2377 r10_bio->devs[slot].addr, in end_sync_write()
2378 r10_bio->sectors, in end_sync_write()
2380 set_bit(R10BIO_MadeGood, &r10_bio->state); in end_sync_write()
2384 end_sync_request(r10_bio); in end_sync_write()
2403 static void sync_request_write(struct mddev *mddev, struct r10bio *r10_bio) in sync_request_write() argument
2411 atomic_set(&r10_bio->remaining, 1); in sync_request_write()
2415 if (!r10_bio->devs[i].bio->bi_status) in sync_request_write()
2422 fbio = r10_bio->devs[i].bio; in sync_request_write()
2423 fbio->bi_iter.bi_size = r10_bio->sectors << 9; in sync_request_write()
2427 vcnt = (r10_bio->sectors + (PAGE_SIZE >> 9) - 1) >> (PAGE_SHIFT - 9); in sync_request_write()
2434 tbio = r10_bio->devs[i].bio; in sync_request_write()
2442 d = r10_bio->devs[i].devnum; in sync_request_write()
2444 if (!r10_bio->devs[i].bio->bi_status) { in sync_request_write()
2449 int sectors = r10_bio->sectors; in sync_request_write()
2462 atomic64_add(r10_bio->sectors, &mddev->resync_mismatches); in sync_request_write()
2481 rp->raid_bio = r10_bio; in sync_request_write()
2483 tbio->bi_iter.bi_sector = r10_bio->devs[i].addr; in sync_request_write()
2489 atomic_inc(&r10_bio->remaining); in sync_request_write()
2504 tbio = r10_bio->devs[i].repl_bio; in sync_request_write()
2507 if (r10_bio->devs[i].bio->bi_end_io != end_sync_write in sync_request_write()
2508 && r10_bio->devs[i].bio != fbio) in sync_request_write()
2510 d = r10_bio->devs[i].devnum; in sync_request_write()
2511 atomic_inc(&r10_bio->remaining); in sync_request_write()
2518 if (atomic_dec_and_test(&r10_bio->remaining)) { in sync_request_write()
2519 md_done_sync(mddev, r10_bio->sectors, 1); in sync_request_write()
2520 put_buf(r10_bio); in sync_request_write()
2534 static void fix_recovery_read_error(struct r10bio *r10_bio) in fix_recovery_read_error() argument
2543 struct mddev *mddev = r10_bio->mddev; in fix_recovery_read_error()
2545 struct bio *bio = r10_bio->devs[0].bio; in fix_recovery_read_error()
2547 int sectors = r10_bio->sectors; in fix_recovery_read_error()
2549 int dr = r10_bio->devs[0].devnum; in fix_recovery_read_error()
2550 int dw = r10_bio->devs[1].devnum; in fix_recovery_read_error()
2563 addr = r10_bio->devs[0].addr + sect, in fix_recovery_read_error()
2571 addr = r10_bio->devs[1].addr + sect; in fix_recovery_read_error()
2595 addr = r10_bio->devs[1].addr + sect; in fix_recovery_read_error()
2617 static void recovery_request_write(struct mddev *mddev, struct r10bio *r10_bio) in recovery_request_write() argument
2621 struct bio *wbio = r10_bio->devs[1].bio; in recovery_request_write()
2622 struct bio *wbio2 = r10_bio->devs[1].repl_bio; in recovery_request_write()
2631 if (!test_bit(R10BIO_Uptodate, &r10_bio->state)) { in recovery_request_write()
2632 fix_recovery_read_error(r10_bio); in recovery_request_write()
2634 end_sync_request(r10_bio); in recovery_request_write()
2636 end_sync_request(r10_bio); in recovery_request_write()
2644 d = r10_bio->devs[1].devnum; in recovery_request_write()
2726 static void fix_read_error(struct r10conf *conf, struct mddev *mddev, struct r10bio *r10_bio) in fix_read_error() argument
2729 int sectors = r10_bio->sectors, slot = r10_bio->read_slot; in fix_read_error()
2732 int d = r10_bio->devs[slot].devnum; in fix_read_error()
2753 r10_bio->devs[slot].bio = IO_BLOCKED; in fix_read_error()
2771 d = r10_bio->devs[sl].devnum; in fix_read_error()
2776 is_badblock(rdev, r10_bio->devs[sl].addr + sect, s, in fix_read_error()
2781 r10_bio->devs[sl].addr + in fix_read_error()
2802 int dn = r10_bio->devs[slot].devnum; in fix_read_error()
2807 r10_bio->devs[slot].addr in fix_read_error()
2811 r10_bio->devs[slot].bio in fix_read_error()
2824 d = r10_bio->devs[sl].devnum; in fix_read_error()
2834 r10_bio->devs[sl].addr + in fix_read_error()
2843 choose_data_offset(r10_bio, in fix_read_error()
2858 d = r10_bio->devs[sl].devnum; in fix_read_error()
2868 r10_bio->devs[sl].addr + in fix_read_error()
2877 choose_data_offset(r10_bio, rdev)), in fix_read_error()
2888 choose_data_offset(r10_bio, rdev)), in fix_read_error()
2903 static int narrow_write_error(struct r10bio *r10_bio, int i) in narrow_write_error() argument
2905 struct bio *bio = r10_bio->master_bio; in narrow_write_error()
2906 struct mddev *mddev = r10_bio->mddev; in narrow_write_error()
2908 struct md_rdev *rdev = conf->mirrors[r10_bio->devs[i].devnum].rdev; in narrow_write_error()
2923 int sect_to_write = r10_bio->sectors; in narrow_write_error()
2931 sector = r10_bio->sector; in narrow_write_error()
2932 sectors = ((r10_bio->sector + block_sectors) in narrow_write_error()
2945 wsector = r10_bio->devs[i].addr + (sector - r10_bio->sector); in narrow_write_error()
2947 choose_data_offset(r10_bio, rdev); in narrow_write_error()
2964 static void handle_read_error(struct mddev *mddev, struct r10bio *r10_bio) in handle_read_error() argument
2966 int slot = r10_bio->read_slot; in handle_read_error()
2969 struct md_rdev *rdev = r10_bio->devs[slot].rdev; in handle_read_error()
2979 bio = r10_bio->devs[slot].bio; in handle_read_error()
2981 r10_bio->devs[slot].bio = NULL; in handle_read_error()
2984 r10_bio->devs[slot].bio = IO_BLOCKED; in handle_read_error()
2987 fix_read_error(conf, mddev, r10_bio); in handle_read_error()
2993 r10_bio->state = 0; in handle_read_error()
2994 raid10_read_request(mddev, r10_bio->master_bio, r10_bio, false); in handle_read_error()
3002 static void handle_write_completed(struct r10conf *conf, struct r10bio *r10_bio) in handle_write_completed() argument
3013 if (test_bit(R10BIO_IsSync, &r10_bio->state) || in handle_write_completed()
3014 test_bit(R10BIO_IsRecover, &r10_bio->state)) { in handle_write_completed()
3016 int dev = r10_bio->devs[m].devnum; in handle_write_completed()
3018 if (r10_bio->devs[m].bio == NULL || in handle_write_completed()
3019 r10_bio->devs[m].bio->bi_end_io == NULL) in handle_write_completed()
3021 if (!r10_bio->devs[m].bio->bi_status) { in handle_write_completed()
3024 r10_bio->devs[m].addr, in handle_write_completed()
3025 r10_bio->sectors, 0); in handle_write_completed()
3029 r10_bio->devs[m].addr, in handle_write_completed()
3030 r10_bio->sectors, 0)) in handle_write_completed()
3034 if (r10_bio->devs[m].repl_bio == NULL || in handle_write_completed()
3035 r10_bio->devs[m].repl_bio->bi_end_io == NULL) in handle_write_completed()
3038 if (!r10_bio->devs[m].repl_bio->bi_status) { in handle_write_completed()
3041 r10_bio->devs[m].addr, in handle_write_completed()
3042 r10_bio->sectors, 0); in handle_write_completed()
3046 r10_bio->devs[m].addr, in handle_write_completed()
3047 r10_bio->sectors, 0)) in handle_write_completed()
3051 put_buf(r10_bio); in handle_write_completed()
3055 int dev = r10_bio->devs[m].devnum; in handle_write_completed()
3056 struct bio *bio = r10_bio->devs[m].bio; in handle_write_completed()
3061 r10_bio->devs[m].addr, in handle_write_completed()
3062 r10_bio->sectors, 0); in handle_write_completed()
3066 if (!narrow_write_error(r10_bio, m)) { in handle_write_completed()
3069 &r10_bio->state); in handle_write_completed()
3073 bio = r10_bio->devs[m].repl_bio; in handle_write_completed()
3078 r10_bio->devs[m].addr, in handle_write_completed()
3079 r10_bio->sectors, 0); in handle_write_completed()
3085 list_add(&r10_bio->retry_list, &conf->bio_end_io_list); in handle_write_completed()
3096 &r10_bio->state)) in handle_write_completed()
3097 close_write(r10_bio); in handle_write_completed()
3098 raid_end_bio_io(r10_bio); in handle_write_completed()
3106 struct r10bio *r10_bio; in raid10d() local
3126 r10_bio = list_first_entry(&tmp, struct r10bio, in raid10d()
3128 list_del(&r10_bio->retry_list); in raid10d()
3130 set_bit(R10BIO_Degraded, &r10_bio->state); in raid10d()
3133 &r10_bio->state)) in raid10d()
3134 close_write(r10_bio); in raid10d()
3135 raid_end_bio_io(r10_bio); in raid10d()
3149 r10_bio = list_entry(head->prev, struct r10bio, retry_list); in raid10d()
3154 mddev = r10_bio->mddev; in raid10d()
3156 if (test_bit(R10BIO_MadeGood, &r10_bio->state) || in raid10d()
3157 test_bit(R10BIO_WriteError, &r10_bio->state)) in raid10d()
3158 handle_write_completed(conf, r10_bio); in raid10d()
3159 else if (test_bit(R10BIO_IsReshape, &r10_bio->state)) in raid10d()
3160 reshape_request_write(mddev, r10_bio); in raid10d()
3161 else if (test_bit(R10BIO_IsSync, &r10_bio->state)) in raid10d()
3162 sync_request_write(mddev, r10_bio); in raid10d()
3163 else if (test_bit(R10BIO_IsRecover, &r10_bio->state)) in raid10d()
3164 recovery_request_write(mddev, r10_bio); in raid10d()
3165 else if (test_bit(R10BIO_ReadError, &r10_bio->state)) in raid10d()
3166 handle_read_error(mddev, r10_bio); in raid10d()
3297 struct r10bio *r10_bio; in raid10_sync_request() local
3447 r10_bio = NULL; in raid10_sync_request()
3475 rb2 = r10_bio; in raid10_sync_request()
3508 r10_bio = raid10_alloc_init_r10buf(conf); in raid10_sync_request()
3509 r10_bio->state = 0; in raid10_sync_request()
3511 atomic_set(&r10_bio->remaining, 0); in raid10_sync_request()
3513 r10_bio->master_bio = (struct bio*)rb2; in raid10_sync_request()
3516 r10_bio->mddev = mddev; in raid10_sync_request()
3517 set_bit(R10BIO_IsRecover, &r10_bio->state); in raid10_sync_request()
3518 r10_bio->sector = sect; in raid10_sync_request()
3520 raid10_find_phys(conf, r10_bio); in raid10_sync_request()
3541 int d = r10_bio->devs[j].devnum; in raid10_sync_request()
3552 sector = r10_bio->devs[j].addr; in raid10_sync_request()
3566 bio = r10_bio->devs[0].bio; in raid10_sync_request()
3573 from_addr = r10_bio->devs[j].addr; in raid10_sync_request()
3581 if (r10_bio->devs[k].devnum == i) in raid10_sync_request()
3584 to_addr = r10_bio->devs[k].addr; in raid10_sync_request()
3585 r10_bio->devs[0].devnum = d; in raid10_sync_request()
3586 r10_bio->devs[0].addr = from_addr; in raid10_sync_request()
3587 r10_bio->devs[1].devnum = i; in raid10_sync_request()
3588 r10_bio->devs[1].addr = to_addr; in raid10_sync_request()
3591 bio = r10_bio->devs[1].bio; in raid10_sync_request()
3599 atomic_inc(&r10_bio->remaining); in raid10_sync_request()
3601 r10_bio->devs[1].bio->bi_end_io = NULL; in raid10_sync_request()
3604 bio = r10_bio->devs[1].repl_bio; in raid10_sync_request()
3620 atomic_inc(&r10_bio->remaining); in raid10_sync_request()
3633 if (r10_bio->devs[k].devnum == i) in raid10_sync_request()
3639 r10_bio->devs[k].addr, in raid10_sync_request()
3645 r10_bio->devs[k].addr, in raid10_sync_request()
3659 put_buf(r10_bio); in raid10_sync_request()
3662 r10_bio = rb2; in raid10_sync_request()
3673 if (r10_bio->devs[0].bio->bi_opf & MD_FAILFAST) { in raid10_sync_request()
3680 int d = r10_bio->devs[j].devnum; in raid10_sync_request()
3687 r10_bio->devs[0].bio->bi_opf in raid10_sync_request()
3692 while (r10_bio) { in raid10_sync_request()
3693 struct r10bio *rb2 = r10_bio; in raid10_sync_request()
3694 r10_bio = (struct r10bio*) rb2->master_bio; in raid10_sync_request()
3725 r10_bio = raid10_alloc_init_r10buf(conf); in raid10_sync_request()
3726 r10_bio->state = 0; in raid10_sync_request()
3728 r10_bio->mddev = mddev; in raid10_sync_request()
3729 atomic_set(&r10_bio->remaining, 0); in raid10_sync_request()
3733 r10_bio->master_bio = NULL; in raid10_sync_request()
3734 r10_bio->sector = sector_nr; in raid10_sync_request()
3735 set_bit(R10BIO_IsSync, &r10_bio->state); in raid10_sync_request()
3736 raid10_find_phys(conf, r10_bio); in raid10_sync_request()
3737 r10_bio->sectors = (sector_nr | chunk_mask) - sector_nr + 1; in raid10_sync_request()
3740 int d = r10_bio->devs[i].devnum; in raid10_sync_request()
3745 if (r10_bio->devs[i].repl_bio) in raid10_sync_request()
3746 r10_bio->devs[i].repl_bio->bi_end_io = NULL; in raid10_sync_request()
3748 bio = r10_bio->devs[i].bio; in raid10_sync_request()
3756 sector = r10_bio->devs[i].addr; in raid10_sync_request()
3770 atomic_inc(&r10_bio->remaining); in raid10_sync_request()
3789 bio = r10_bio->devs[i].repl_bio; in raid10_sync_request()
3792 sector = r10_bio->devs[i].addr; in raid10_sync_request()
3807 int d = r10_bio->devs[i].devnum; in raid10_sync_request()
3808 if (r10_bio->devs[i].bio->bi_end_io) in raid10_sync_request()
3811 if (r10_bio->devs[i].repl_bio && in raid10_sync_request()
3812 r10_bio->devs[i].repl_bio->bi_end_io) in raid10_sync_request()
3817 put_buf(r10_bio); in raid10_sync_request()
3845 r10_bio->sectors = nr_sectors; in raid10_sync_request()
3898 r10_bio = get_resync_r10bio(bio); in raid10_sync_request()
3899 r10_bio->sectors = nr_sectors; in raid10_sync_request()
4813 struct r10bio *r10_bio; in reshape_request() local
4918 r10_bio = raid10_alloc_init_r10buf(conf); in reshape_request()
4919 r10_bio->state = 0; in reshape_request()
4921 atomic_set(&r10_bio->remaining, 0); in reshape_request()
4922 r10_bio->mddev = mddev; in reshape_request()
4923 r10_bio->sector = sector_nr; in reshape_request()
4924 set_bit(R10BIO_IsReshape, &r10_bio->state); in reshape_request()
4925 r10_bio->sectors = last - sector_nr + 1; in reshape_request()
4926 rdev = read_balance(conf, r10_bio, &max_sectors); in reshape_request()
4927 BUG_ON(!test_bit(R10BIO_Previous, &r10_bio->state)); in reshape_request()
4934 mempool_free(r10_bio, &conf->r10buf_pool); in reshape_request()
4941 read_bio->bi_iter.bi_sector = (r10_bio->devs[r10_bio->read_slot].addr in reshape_request()
4943 read_bio->bi_private = r10_bio; in reshape_request()
4945 r10_bio->master_bio = read_bio; in reshape_request()
4946 r10_bio->read_slot = r10_bio->devs[r10_bio->read_slot].devnum; in reshape_request()
4975 __raid10_find_phys(&conf->geo, r10_bio); in reshape_request()
4983 int d = r10_bio->devs[s/2].devnum; in reshape_request()
4987 b = r10_bio->devs[s/2].repl_bio; in reshape_request()
4990 b = r10_bio->devs[s/2].bio; in reshape_request()
4996 b->bi_iter.bi_sector = r10_bio->devs[s/2].addr + in reshape_request()
5007 pages = get_resync_pages(r10_bio->devs[0].bio)->pages; in reshape_request()
5024 r10_bio->sectors = nr_sectors; in reshape_request()
5027 md_sync_acct_bio(read_bio, r10_bio->sectors); in reshape_request()
5028 atomic_inc(&r10_bio->remaining); in reshape_request()
5048 static void end_reshape_request(struct r10bio *r10_bio);
5050 struct r10bio *r10_bio);
5051 static void reshape_request_write(struct mddev *mddev, struct r10bio *r10_bio) in reshape_request_write() argument
5061 if (!test_bit(R10BIO_Uptodate, &r10_bio->state)) in reshape_request_write()
5062 if (handle_reshape_read_error(mddev, r10_bio) < 0) { in reshape_request_write()
5064 md_done_sync(mddev, r10_bio->sectors, 0); in reshape_request_write()
5071 atomic_set(&r10_bio->remaining, 1); in reshape_request_write()
5074 int d = r10_bio->devs[s/2].devnum; in reshape_request_write()
5079 b = r10_bio->devs[s/2].repl_bio; in reshape_request_write()
5082 b = r10_bio->devs[s/2].bio; in reshape_request_write()
5090 md_sync_acct_bio(b, r10_bio->sectors); in reshape_request_write()
5091 atomic_inc(&r10_bio->remaining); in reshape_request_write()
5095 end_reshape_request(r10_bio); in reshape_request_write()
5130 struct r10bio *r10_bio) in handle_reshape_read_error() argument
5133 int sectors = r10_bio->sectors; in handle_reshape_read_error()
5147 pages = get_resync_pages(r10_bio->devs[0].bio)->pages; in handle_reshape_read_error()
5149 r10b->sector = r10_bio->sector; in handle_reshape_read_error()
5206 struct r10bio *r10_bio = get_resync_r10bio(bio); in end_reshape_write() local
5207 struct mddev *mddev = r10_bio->mddev; in end_reshape_write()
5214 d = find_bio_disk(conf, r10_bio, bio, &slot, &repl); in end_reshape_write()
5228 end_reshape_request(r10_bio); in end_reshape_write()
5231 static void end_reshape_request(struct r10bio *r10_bio) in end_reshape_request() argument
5233 if (!atomic_dec_and_test(&r10_bio->remaining)) in end_reshape_request()
5235 md_done_sync(r10_bio->mddev, r10_bio->sectors, 1); in end_reshape_request()
5236 bio_put(r10_bio->master_bio); in end_reshape_request()
5237 put_buf(r10_bio); in end_reshape_request()