Lines Matching refs:sh
308 struct stripe_head *sh, int disks) in r5c_handle_cached_data_endio() argument
312 for (i = sh->disks; i--; ) { in r5c_handle_cached_data_endio()
313 if (sh->dev[i].written) { in r5c_handle_cached_data_endio()
314 set_bit(R5_UPTODATE, &sh->dev[i].flags); in r5c_handle_cached_data_endio()
315 r5c_return_dev_pending_writes(conf, &sh->dev[i]); in r5c_handle_cached_data_endio()
316 md_bitmap_endwrite(conf->mddev->bitmap, sh->sector, in r5c_handle_cached_data_endio()
318 !test_bit(STRIPE_DEGRADED, &sh->state), in r5c_handle_cached_data_endio()
449 void r5c_make_stripe_write_out(struct stripe_head *sh) in r5c_make_stripe_write_out() argument
451 struct r5conf *conf = sh->raid_conf; in r5c_make_stripe_write_out()
456 WARN_ON(!test_bit(STRIPE_R5C_CACHING, &sh->state)); in r5c_make_stripe_write_out()
457 clear_bit(STRIPE_R5C_CACHING, &sh->state); in r5c_make_stripe_write_out()
459 if (!test_and_set_bit(STRIPE_PREREAD_ACTIVE, &sh->state)) in r5c_make_stripe_write_out()
463 static void r5c_handle_data_cached(struct stripe_head *sh) in r5c_handle_data_cached() argument
467 for (i = sh->disks; i--; ) in r5c_handle_data_cached()
468 if (test_and_clear_bit(R5_Wantwrite, &sh->dev[i].flags)) { in r5c_handle_data_cached()
469 set_bit(R5_InJournal, &sh->dev[i].flags); in r5c_handle_data_cached()
470 clear_bit(R5_LOCKED, &sh->dev[i].flags); in r5c_handle_data_cached()
472 clear_bit(STRIPE_LOG_TRAPPED, &sh->state); in r5c_handle_data_cached()
479 static void r5c_handle_parity_cached(struct stripe_head *sh) in r5c_handle_parity_cached() argument
483 for (i = sh->disks; i--; ) in r5c_handle_parity_cached()
484 if (test_bit(R5_InJournal, &sh->dev[i].flags)) in r5c_handle_parity_cached()
485 set_bit(R5_Wantwrite, &sh->dev[i].flags); in r5c_handle_parity_cached()
492 static void r5c_finish_cache_stripe(struct stripe_head *sh) in r5c_finish_cache_stripe() argument
494 struct r5l_log *log = sh->raid_conf->log; in r5c_finish_cache_stripe()
497 BUG_ON(test_bit(STRIPE_R5C_CACHING, &sh->state)); in r5c_finish_cache_stripe()
504 set_bit(R5_InJournal, &sh->dev[sh->pd_idx].flags); in r5c_finish_cache_stripe()
505 } else if (test_bit(STRIPE_R5C_CACHING, &sh->state)) { in r5c_finish_cache_stripe()
506 r5c_handle_data_cached(sh); in r5c_finish_cache_stripe()
508 r5c_handle_parity_cached(sh); in r5c_finish_cache_stripe()
509 set_bit(R5_InJournal, &sh->dev[sh->pd_idx].flags); in r5c_finish_cache_stripe()
515 struct stripe_head *sh, *next; in r5l_io_run_stripes() local
517 list_for_each_entry_safe(sh, next, &io->stripe_list, log_list) { in r5l_io_run_stripes()
518 list_del_init(&sh->log_list); in r5l_io_run_stripes()
520 r5c_finish_cache_stripe(sh); in r5l_io_run_stripes()
522 set_bit(STRIPE_HANDLE, &sh->state); in r5l_io_run_stripes()
523 raid5_release_stripe(sh); in r5l_io_run_stripes()
902 static int r5l_log_stripe(struct r5l_log *log, struct stripe_head *sh, in r5l_log_stripe() argument
922 if (test_and_clear_bit(STRIPE_R5C_PREFLUSH, &sh->state)) in r5l_log_stripe()
925 for (i = 0; i < sh->disks; i++) { in r5l_log_stripe()
926 if (!test_bit(R5_Wantwrite, &sh->dev[i].flags) || in r5l_log_stripe()
927 test_bit(R5_InJournal, &sh->dev[i].flags)) in r5l_log_stripe()
929 if (i == sh->pd_idx || i == sh->qd_idx) in r5l_log_stripe()
931 if (test_bit(R5_WantFUA, &sh->dev[i].flags) && in r5l_log_stripe()
941 raid5_compute_blocknr(sh, i, 0), in r5l_log_stripe()
942 sh->dev[i].log_checksum, 0, false); in r5l_log_stripe()
943 r5l_append_payload_page(log, sh->dev[i].page); in r5l_log_stripe()
948 sh->sector, sh->dev[sh->pd_idx].log_checksum, in r5l_log_stripe()
949 sh->dev[sh->qd_idx].log_checksum, true); in r5l_log_stripe()
950 r5l_append_payload_page(log, sh->dev[sh->pd_idx].page); in r5l_log_stripe()
951 r5l_append_payload_page(log, sh->dev[sh->qd_idx].page); in r5l_log_stripe()
954 sh->sector, sh->dev[sh->pd_idx].log_checksum, in r5l_log_stripe()
956 r5l_append_payload_page(log, sh->dev[sh->pd_idx].page); in r5l_log_stripe()
960 list_add_tail(&sh->log_list, &io->stripe_list); in r5l_log_stripe()
962 sh->log_io = io; in r5l_log_stripe()
967 if (sh->log_start == MaxSector) { in r5l_log_stripe()
968 BUG_ON(!list_empty(&sh->r5c)); in r5l_log_stripe()
969 sh->log_start = io->log_start; in r5l_log_stripe()
971 list_add_tail(&sh->r5c, in r5l_log_stripe()
981 struct stripe_head *sh) in r5l_add_no_space_stripe() argument
984 list_add_tail(&sh->log_list, &log->no_space_stripes); in r5l_add_no_space_stripe()
992 int r5l_write_stripe(struct r5l_log *log, struct stripe_head *sh) in r5l_write_stripe() argument
994 struct r5conf *conf = sh->raid_conf; in r5l_write_stripe()
1005 if (sh->log_io || !test_bit(R5_Wantwrite, &sh->dev[sh->pd_idx].flags) || in r5l_write_stripe()
1006 test_bit(STRIPE_SYNCING, &sh->state)) { in r5l_write_stripe()
1008 clear_bit(STRIPE_LOG_TRAPPED, &sh->state); in r5l_write_stripe()
1012 WARN_ON(test_bit(STRIPE_R5C_CACHING, &sh->state)); in r5l_write_stripe()
1014 for (i = 0; i < sh->disks; i++) { in r5l_write_stripe()
1017 if (!test_bit(R5_Wantwrite, &sh->dev[i].flags) || in r5l_write_stripe()
1018 test_bit(R5_InJournal, &sh->dev[i].flags)) in r5l_write_stripe()
1023 if (test_bit(STRIPE_LOG_TRAPPED, &sh->state)) in r5l_write_stripe()
1025 addr = kmap_atomic(sh->dev[i].page); in r5l_write_stripe()
1026 sh->dev[i].log_checksum = crc32c_le(log->uuid_checksum, in r5l_write_stripe()
1030 parity_pages = 1 + !!(sh->qd_idx >= 0); in r5l_write_stripe()
1033 set_bit(STRIPE_LOG_TRAPPED, &sh->state); in r5l_write_stripe()
1038 clear_bit(STRIPE_DELAYED, &sh->state); in r5l_write_stripe()
1039 atomic_inc(&sh->count); in r5l_write_stripe()
1047 r5l_add_no_space_stripe(log, sh); in r5l_write_stripe()
1050 ret = r5l_log_stripe(log, sh, data_pages, parity_pages); in r5l_write_stripe()
1053 list_add_tail(&sh->log_list, in r5l_write_stripe()
1064 sh->log_start == MaxSector) { in r5l_write_stripe()
1065 r5l_add_no_space_stripe(log, sh); in r5l_write_stripe()
1069 if (sh->log_start == log->last_checkpoint) in r5l_write_stripe()
1072 r5l_add_no_space_stripe(log, sh); in r5l_write_stripe()
1074 ret = r5l_log_stripe(log, sh, data_pages, parity_pages); in r5l_write_stripe()
1077 list_add_tail(&sh->log_list, in r5l_write_stripe()
1134 struct stripe_head *sh; in r5l_run_no_space_stripes() local
1138 sh = list_first_entry(&log->no_space_stripes, in r5l_run_no_space_stripes()
1140 list_del_init(&sh->log_list); in r5l_run_no_space_stripes()
1141 set_bit(STRIPE_HANDLE, &sh->state); in r5l_run_no_space_stripes()
1142 raid5_release_stripe(sh); in r5l_run_no_space_stripes()
1154 struct stripe_head *sh; in r5c_calculate_new_cp() local
1168 sh = list_first_entry(&conf->log->stripe_in_journal_list, in r5c_calculate_new_cp()
1170 new_cp = sh->log_start; in r5c_calculate_new_cp()
1185 struct stripe_head *sh; in r5l_run_no_mem_stripe() local
1190 sh = list_first_entry(&log->no_mem_stripes, in r5l_run_no_mem_stripe()
1192 list_del_init(&sh->log_list); in r5l_run_no_mem_stripe()
1193 set_bit(STRIPE_HANDLE, &sh->state); in r5l_run_no_mem_stripe()
1194 raid5_release_stripe(sh); in r5l_run_no_mem_stripe()
1244 void r5l_stripe_write_finished(struct stripe_head *sh) in r5l_stripe_write_finished() argument
1248 io = sh->log_io; in r5l_stripe_write_finished()
1249 sh->log_io = NULL; in r5l_stripe_write_finished()
1364 static void r5c_flush_stripe(struct r5conf *conf, struct stripe_head *sh) in r5c_flush_stripe() argument
1366 BUG_ON(list_empty(&sh->lru)); in r5c_flush_stripe()
1367 BUG_ON(!test_bit(STRIPE_R5C_CACHING, &sh->state)); in r5c_flush_stripe()
1368 BUG_ON(test_bit(STRIPE_HANDLE, &sh->state)); in r5c_flush_stripe()
1374 BUG_ON(test_bit(STRIPE_ON_RELEASE_LIST, &sh->state)); in r5c_flush_stripe()
1377 list_del_init(&sh->lru); in r5c_flush_stripe()
1378 atomic_inc(&sh->count); in r5c_flush_stripe()
1380 set_bit(STRIPE_HANDLE, &sh->state); in r5c_flush_stripe()
1382 r5c_make_stripe_write_out(sh); in r5c_flush_stripe()
1384 if (test_bit(STRIPE_R5C_PARTIAL_STRIPE, &sh->state)) in r5c_flush_stripe()
1388 raid5_release_stripe(sh); in r5c_flush_stripe()
1400 struct stripe_head *sh, *next; in r5c_flush_cache() local
1407 list_for_each_entry_safe(sh, next, &conf->r5c_full_stripe_list, lru) { in r5c_flush_cache()
1408 r5c_flush_stripe(conf, sh); in r5c_flush_cache()
1414 list_for_each_entry_safe(sh, next, in r5c_flush_cache()
1416 r5c_flush_stripe(conf, sh); in r5c_flush_cache()
1425 struct stripe_head *sh; in r5c_do_reclaim() local
1470 list_for_each_entry(sh, &log->stripe_in_journal_list, r5c) { in r5c_do_reclaim()
1479 if (!list_empty(&sh->lru) && in r5c_do_reclaim()
1480 !test_bit(STRIPE_HANDLE, &sh->state) && in r5c_do_reclaim()
1481 atomic_read(&sh->count) == 0) { in r5c_do_reclaim()
1482 r5c_flush_stripe(conf, sh); in r5c_do_reclaim()
1811 struct stripe_head *sh, in r5l_recovery_load_data() argument
1822 &dd_idx, sh); in r5l_recovery_load_data()
1823 r5l_recovery_read_page(log, ctx, sh->dev[dd_idx].page, log_offset); in r5l_recovery_load_data()
1824 sh->dev[dd_idx].log_checksum = in r5l_recovery_load_data()
1828 set_bit(R5_Wantwrite, &sh->dev[dd_idx].flags); in r5l_recovery_load_data()
1829 set_bit(STRIPE_R5C_CACHING, &sh->state); in r5l_recovery_load_data()
1833 struct stripe_head *sh, in r5l_recovery_load_parity() argument
1842 r5l_recovery_read_page(log, ctx, sh->dev[sh->pd_idx].page, log_offset); in r5l_recovery_load_parity()
1843 sh->dev[sh->pd_idx].log_checksum = in r5l_recovery_load_parity()
1845 set_bit(R5_Wantwrite, &sh->dev[sh->pd_idx].flags); in r5l_recovery_load_parity()
1847 if (sh->qd_idx >= 0) { in r5l_recovery_load_parity()
1849 log, ctx, sh->dev[sh->qd_idx].page, in r5l_recovery_load_parity()
1851 sh->dev[sh->qd_idx].log_checksum = in r5l_recovery_load_parity()
1853 set_bit(R5_Wantwrite, &sh->dev[sh->qd_idx].flags); in r5l_recovery_load_parity()
1855 clear_bit(STRIPE_R5C_CACHING, &sh->state); in r5l_recovery_load_parity()
1858 static void r5l_recovery_reset_stripe(struct stripe_head *sh) in r5l_recovery_reset_stripe() argument
1862 sh->state = 0; in r5l_recovery_reset_stripe()
1863 sh->log_start = MaxSector; in r5l_recovery_reset_stripe()
1864 for (i = sh->disks; i--; ) in r5l_recovery_reset_stripe()
1865 sh->dev[i].flags = 0; in r5l_recovery_reset_stripe()
1870 struct stripe_head *sh, in r5l_recovery_replay_one_stripe() argument
1877 for (disk_index = 0; disk_index < sh->disks; disk_index++) { in r5l_recovery_replay_one_stripe()
1878 if (!test_bit(R5_Wantwrite, &sh->dev[disk_index].flags)) in r5l_recovery_replay_one_stripe()
1880 if (disk_index == sh->qd_idx || disk_index == sh->pd_idx) in r5l_recovery_replay_one_stripe()
1893 for (disk_index = 0; disk_index < sh->disks; disk_index++) { in r5l_recovery_replay_one_stripe()
1894 if (!test_bit(R5_Wantwrite, &sh->dev[disk_index].flags)) in r5l_recovery_replay_one_stripe()
1903 sync_page_io(rdev, sh->sector, PAGE_SIZE, in r5l_recovery_replay_one_stripe()
1904 sh->dev[disk_index].page, REQ_OP_WRITE, 0, in r5l_recovery_replay_one_stripe()
1913 sync_page_io(rrdev, sh->sector, PAGE_SIZE, in r5l_recovery_replay_one_stripe()
1914 sh->dev[disk_index].page, REQ_OP_WRITE, 0, in r5l_recovery_replay_one_stripe()
1923 r5l_recovery_reset_stripe(sh); in r5l_recovery_replay_one_stripe()
1932 struct stripe_head *sh; in r5c_recovery_alloc_stripe() local
1934 sh = raid5_get_active_stripe(conf, stripe_sect, 0, noblock, 0); in r5c_recovery_alloc_stripe()
1935 if (!sh) in r5c_recovery_alloc_stripe()
1938 r5l_recovery_reset_stripe(sh); in r5c_recovery_alloc_stripe()
1940 return sh; in r5c_recovery_alloc_stripe()
1946 struct stripe_head *sh; in r5c_recovery_lookup_stripe() local
1948 list_for_each_entry(sh, list, lru) in r5c_recovery_lookup_stripe()
1949 if (sh->sector == sect) in r5c_recovery_lookup_stripe()
1950 return sh; in r5c_recovery_lookup_stripe()
1958 struct stripe_head *sh, *next; in r5c_recovery_drop_stripes() local
1960 list_for_each_entry_safe(sh, next, cached_stripe_list, lru) { in r5c_recovery_drop_stripes()
1961 r5l_recovery_reset_stripe(sh); in r5c_recovery_drop_stripes()
1962 list_del_init(&sh->lru); in r5c_recovery_drop_stripes()
1963 raid5_release_stripe(sh); in r5c_recovery_drop_stripes()
1971 struct stripe_head *sh, *next; in r5c_recovery_replay_stripes() local
1973 list_for_each_entry_safe(sh, next, cached_stripe_list, lru) in r5c_recovery_replay_stripes()
1974 if (!test_bit(STRIPE_R5C_CACHING, &sh->state)) { in r5c_recovery_replay_stripes()
1975 r5l_recovery_replay_one_stripe(sh->raid_conf, sh, ctx); in r5c_recovery_replay_stripes()
1976 list_del_init(&sh->lru); in r5c_recovery_replay_stripes()
1977 raid5_release_stripe(sh); in r5c_recovery_replay_stripes()
2088 struct stripe_head *sh; in r5c_recovery_analyze_meta_block() local
2118 sh = r5c_recovery_lookup_stripe(cached_stripe_list, in r5c_recovery_analyze_meta_block()
2120 if (sh) { in r5c_recovery_analyze_meta_block()
2121 WARN_ON(test_bit(STRIPE_R5C_CACHING, &sh->state)); in r5c_recovery_analyze_meta_block()
2122 r5l_recovery_reset_stripe(sh); in r5c_recovery_analyze_meta_block()
2123 list_del_init(&sh->lru); in r5c_recovery_analyze_meta_block()
2124 raid5_release_stripe(sh); in r5c_recovery_analyze_meta_block()
2140 sh = r5c_recovery_lookup_stripe(cached_stripe_list, in r5c_recovery_analyze_meta_block()
2143 if (!sh) { in r5c_recovery_analyze_meta_block()
2144 sh = r5c_recovery_alloc_stripe(conf, stripe_sect, 1); in r5c_recovery_analyze_meta_block()
2149 if (!sh) { in r5c_recovery_analyze_meta_block()
2152 sh = r5c_recovery_alloc_stripe( in r5c_recovery_analyze_meta_block()
2155 if (!sh) { in r5c_recovery_analyze_meta_block()
2170 sh = r5c_recovery_alloc_stripe( in r5c_recovery_analyze_meta_block()
2173 if (!sh) { in r5c_recovery_analyze_meta_block()
2178 list_add_tail(&sh->lru, cached_stripe_list); in r5c_recovery_analyze_meta_block()
2182 if (!test_bit(STRIPE_R5C_CACHING, &sh->state) && in r5c_recovery_analyze_meta_block()
2183 test_bit(R5_Wantwrite, &sh->dev[sh->pd_idx].flags)) { in r5c_recovery_analyze_meta_block()
2184 r5l_recovery_replay_one_stripe(conf, sh, ctx); in r5c_recovery_analyze_meta_block()
2185 list_move_tail(&sh->lru, cached_stripe_list); in r5c_recovery_analyze_meta_block()
2187 r5l_recovery_load_data(log, sh, ctx, payload, in r5c_recovery_analyze_meta_block()
2190 r5l_recovery_load_parity(log, sh, ctx, payload, in r5c_recovery_analyze_meta_block()
2211 struct stripe_head *sh) in r5c_recovery_load_one_stripe() argument
2216 for (i = sh->disks; i--; ) { in r5c_recovery_load_one_stripe()
2217 dev = sh->dev + i; in r5c_recovery_load_one_stripe()
2244 struct stripe_head *sh; in r5c_recovery_flush_log() local
2273 list_for_each_entry(sh, &ctx->cached_list, lru) { in r5c_recovery_flush_log()
2274 WARN_ON(!test_bit(STRIPE_R5C_CACHING, &sh->state)); in r5c_recovery_flush_log()
2275 r5c_recovery_load_one_stripe(log, sh); in r5c_recovery_flush_log()
2355 struct stripe_head *sh; in r5c_recovery_rewrite_data_only_stripes() local
2369 list_for_each_entry(sh, &ctx->cached_list, lru) { in r5c_recovery_rewrite_data_only_stripes()
2375 WARN_ON(!test_bit(STRIPE_R5C_CACHING, &sh->state)); in r5c_recovery_rewrite_data_only_stripes()
2382 for (i = sh->disks; i--; ) { in r5c_recovery_rewrite_data_only_stripes()
2383 struct r5dev *dev = &sh->dev[i]; in r5c_recovery_rewrite_data_only_stripes()
2393 raid5_compute_blocknr(sh, i, 0)); in r5c_recovery_rewrite_data_only_stripes()
2413 sh->log_start = ctx->pos; in r5c_recovery_rewrite_data_only_stripes()
2414 list_add_tail(&sh->r5c, &log->stripe_in_journal_list); in r5c_recovery_rewrite_data_only_stripes()
2418 next_checkpoint = sh->log_start; in r5c_recovery_rewrite_data_only_stripes()
2430 struct stripe_head *sh, *next; in r5c_recovery_flush_data_only_stripes() local
2442 list_for_each_entry_safe(sh, next, &ctx->cached_list, lru) { in r5c_recovery_flush_data_only_stripes()
2443 r5c_make_stripe_write_out(sh); in r5c_recovery_flush_data_only_stripes()
2444 set_bit(STRIPE_HANDLE, &sh->state); in r5c_recovery_flush_data_only_stripes()
2445 list_del_init(&sh->lru); in r5c_recovery_flush_data_only_stripes()
2446 raid5_release_stripe(sh); in r5c_recovery_flush_data_only_stripes()
2637 struct stripe_head *sh, in r5c_try_caching_write() argument
2652 if (!test_bit(STRIPE_R5C_CACHING, &sh->state)) { in r5c_try_caching_write()
2670 set_bit(STRIPE_R5C_CACHING, &sh->state); in r5c_try_caching_write()
2681 if (s->failed || test_bit(STRIPE_SYNCING, &sh->state)) { in r5c_try_caching_write()
2682 r5c_make_stripe_write_out(sh); in r5c_try_caching_write()
2687 dev = &sh->dev[i]; in r5c_try_caching_write()
2691 r5c_make_stripe_write_out(sh); in r5c_try_caching_write()
2697 if (!test_bit(STRIPE_R5C_PARTIAL_STRIPE, &sh->state) && in r5c_try_caching_write()
2698 !test_bit(STRIPE_R5C_FULL_STRIPE, &sh->state)) { in r5c_try_caching_write()
2699 tree_index = r5c_tree_index(conf, sh->sector); in r5c_try_caching_write()
2720 r5c_make_stripe_write_out(sh); in r5c_try_caching_write()
2730 set_bit(STRIPE_R5C_PARTIAL_STRIPE, &sh->state); in r5c_try_caching_write()
2735 dev = &sh->dev[i]; in r5c_try_caching_write()
2751 set_bit(STRIPE_LOG_TRAPPED, &sh->state); in r5c_try_caching_write()
2760 void r5c_release_extra_page(struct stripe_head *sh) in r5c_release_extra_page() argument
2762 struct r5conf *conf = sh->raid_conf; in r5c_release_extra_page()
2767 sh->dev[0].orig_page == conf->disks[0].extra_page; in r5c_release_extra_page()
2769 for (i = sh->disks; i--; ) in r5c_release_extra_page()
2770 if (sh->dev[i].page != sh->dev[i].orig_page) { in r5c_release_extra_page()
2771 struct page *p = sh->dev[i].orig_page; in r5c_release_extra_page()
2773 sh->dev[i].orig_page = sh->dev[i].page; in r5c_release_extra_page()
2774 clear_bit(R5_OrigPageUPTDODATE, &sh->dev[i].flags); in r5c_release_extra_page()
2786 void r5c_use_extra_page(struct stripe_head *sh) in r5c_use_extra_page() argument
2788 struct r5conf *conf = sh->raid_conf; in r5c_use_extra_page()
2792 for (i = sh->disks; i--; ) { in r5c_use_extra_page()
2793 dev = &sh->dev[i]; in r5c_use_extra_page()
2805 struct stripe_head *sh, in r5c_finish_stripe_write_out() argument
2815 if (!log || !test_bit(R5_InJournal, &sh->dev[sh->pd_idx].flags)) in r5c_finish_stripe_write_out()
2818 WARN_ON(test_bit(STRIPE_R5C_CACHING, &sh->state)); in r5c_finish_stripe_write_out()
2819 clear_bit(R5_InJournal, &sh->dev[sh->pd_idx].flags); in r5c_finish_stripe_write_out()
2824 for (i = sh->disks; i--; ) { in r5c_finish_stripe_write_out()
2825 clear_bit(R5_InJournal, &sh->dev[i].flags); in r5c_finish_stripe_write_out()
2826 if (test_and_clear_bit(R5_Overlap, &sh->dev[i].flags)) in r5c_finish_stripe_write_out()
2836 if (test_and_clear_bit(STRIPE_FULL_WRITE, &sh->state)) in r5c_finish_stripe_write_out()
2844 list_del_init(&sh->r5c); in r5c_finish_stripe_write_out()
2846 sh->log_start = MaxSector; in r5c_finish_stripe_write_out()
2852 if (test_bit(STRIPE_R5C_PARTIAL_STRIPE, &sh->state) || in r5c_finish_stripe_write_out()
2853 test_bit(STRIPE_R5C_FULL_STRIPE, &sh->state)) { in r5c_finish_stripe_write_out()
2854 tree_index = r5c_tree_index(conf, sh->sector); in r5c_finish_stripe_write_out()
2871 if (test_and_clear_bit(STRIPE_R5C_PARTIAL_STRIPE, &sh->state)) { in r5c_finish_stripe_write_out()
2877 if (test_and_clear_bit(STRIPE_R5C_FULL_STRIPE, &sh->state)) { in r5c_finish_stripe_write_out()
2883 r5l_append_flush_payload(log, sh->sector); in r5c_finish_stripe_write_out()
2885 if (test_bit(STRIPE_SYNC_REQUESTED, &sh->state)) in r5c_finish_stripe_write_out()
2886 set_bit(STRIPE_HANDLE, &sh->state); in r5c_finish_stripe_write_out()
2889 int r5c_cache_data(struct r5l_log *log, struct stripe_head *sh) in r5c_cache_data() argument
2891 struct r5conf *conf = sh->raid_conf; in r5c_cache_data()
2899 for (i = 0; i < sh->disks; i++) { in r5c_cache_data()
2902 if (!test_bit(R5_Wantwrite, &sh->dev[i].flags)) in r5c_cache_data()
2904 addr = kmap_atomic(sh->dev[i].page); in r5c_cache_data()
2905 sh->dev[i].log_checksum = crc32c_le(log->uuid_checksum, in r5c_cache_data()
2916 clear_bit(STRIPE_DELAYED, &sh->state); in r5c_cache_data()
2917 atomic_inc(&sh->count); in r5c_cache_data()
2924 sh->log_start == MaxSector) in r5c_cache_data()
2925 r5l_add_no_space_stripe(log, sh); in r5c_cache_data()
2927 if (sh->log_start == log->last_checkpoint) in r5c_cache_data()
2930 r5l_add_no_space_stripe(log, sh); in r5c_cache_data()
2932 ret = r5l_log_stripe(log, sh, pages, 0); in r5c_cache_data()
2935 list_add_tail(&sh->log_list, &log->no_mem_stripes); in r5c_cache_data()