Lines Matching refs:osb
53 static int ocfs2_local_alloc_find_clear_bits(struct ocfs2_super *osb,
60 static int ocfs2_sync_local_to_main(struct ocfs2_super *osb,
66 static int ocfs2_local_alloc_reserve_for_window(struct ocfs2_super *osb,
71 static int ocfs2_local_alloc_new_window(struct ocfs2_super *osb,
75 static int ocfs2_local_alloc_slide_window(struct ocfs2_super *osb,
117 unsigned int ocfs2_la_default_mb(struct ocfs2_super *osb) in ocfs2_la_default_mb() argument
123 struct super_block *sb = osb->sb; in ocfs2_la_default_mb()
125 gd_mb = ocfs2_clusters_to_megabytes(osb->sb, in ocfs2_la_default_mb()
126 8 * ocfs2_group_bitmap_size(sb, 0, osb->s_feature_incompat)); in ocfs2_la_default_mb()
133 if ((sb->s_blocksize == 512 && osb->s_clustersize <= 8192) in ocfs2_la_default_mb()
134 || (sb->s_blocksize == 1024 && osb->s_clustersize == 4096)) in ocfs2_la_default_mb()
180 megs_per_slot = osb->osb_clusters_at_boot / osb->max_slots; in ocfs2_la_default_mb()
181 megs_per_slot = ocfs2_clusters_to_megabytes(osb->sb, megs_per_slot); in ocfs2_la_default_mb()
187 la_max_mb = ocfs2_clusters_to_megabytes(osb->sb, in ocfs2_la_default_mb()
195 void ocfs2_la_set_sizes(struct ocfs2_super *osb, int requested_mb) in ocfs2_la_set_sizes() argument
197 struct super_block *sb = osb->sb; in ocfs2_la_set_sizes()
198 unsigned int la_default_mb = ocfs2_la_default_mb(osb); in ocfs2_la_set_sizes()
208 osb->local_alloc_default_bits = in ocfs2_la_set_sizes()
212 osb->local_alloc_default_bits = in ocfs2_la_set_sizes()
215 osb->local_alloc_default_bits = in ocfs2_la_set_sizes()
219 osb->local_alloc_bits = osb->local_alloc_default_bits; in ocfs2_la_set_sizes()
222 static inline int ocfs2_la_state_enabled(struct ocfs2_super *osb) in ocfs2_la_state_enabled() argument
224 return (osb->local_alloc_state == OCFS2_LA_THROTTLED || in ocfs2_la_state_enabled()
225 osb->local_alloc_state == OCFS2_LA_ENABLED); in ocfs2_la_state_enabled()
228 void ocfs2_local_alloc_seen_free_bits(struct ocfs2_super *osb, in ocfs2_local_alloc_seen_free_bits() argument
231 spin_lock(&osb->osb_lock); in ocfs2_local_alloc_seen_free_bits()
232 if (osb->local_alloc_state == OCFS2_LA_DISABLED || in ocfs2_local_alloc_seen_free_bits()
233 osb->local_alloc_state == OCFS2_LA_THROTTLED) in ocfs2_local_alloc_seen_free_bits()
234 if (num_clusters >= osb->local_alloc_default_bits) { in ocfs2_local_alloc_seen_free_bits()
235 cancel_delayed_work(&osb->la_enable_wq); in ocfs2_local_alloc_seen_free_bits()
236 osb->local_alloc_state = OCFS2_LA_ENABLED; in ocfs2_local_alloc_seen_free_bits()
238 spin_unlock(&osb->osb_lock); in ocfs2_local_alloc_seen_free_bits()
243 struct ocfs2_super *osb = in ocfs2_la_enable_worker() local
246 spin_lock(&osb->osb_lock); in ocfs2_la_enable_worker()
247 osb->local_alloc_state = OCFS2_LA_ENABLED; in ocfs2_la_enable_worker()
248 spin_unlock(&osb->osb_lock); in ocfs2_la_enable_worker()
258 int ocfs2_alloc_should_use_local(struct ocfs2_super *osb, u64 bits) in ocfs2_alloc_should_use_local() argument
263 spin_lock(&osb->osb_lock); in ocfs2_alloc_should_use_local()
264 la_bits = osb->local_alloc_bits; in ocfs2_alloc_should_use_local()
266 if (!ocfs2_la_state_enabled(osb)) in ocfs2_alloc_should_use_local()
279 (unsigned long long)bits, osb->local_alloc_state, la_bits, ret); in ocfs2_alloc_should_use_local()
280 spin_unlock(&osb->osb_lock); in ocfs2_alloc_should_use_local()
284 int ocfs2_load_local_alloc(struct ocfs2_super *osb) in ocfs2_load_local_alloc() argument
293 if (osb->local_alloc_bits == 0) in ocfs2_load_local_alloc()
296 if (osb->local_alloc_bits >= osb->bitmap_cpg) { in ocfs2_load_local_alloc()
299 osb->local_alloc_bits, (osb->bitmap_cpg - 1)); in ocfs2_load_local_alloc()
300 osb->local_alloc_bits = in ocfs2_load_local_alloc()
301 ocfs2_megabytes_to_clusters(osb->sb, in ocfs2_load_local_alloc()
302 ocfs2_la_default_mb(osb)); in ocfs2_load_local_alloc()
306 inode = ocfs2_get_system_file_inode(osb, LOCAL_ALLOC_SYSTEM_INODE, in ocfs2_load_local_alloc()
307 osb->slot_num); in ocfs2_load_local_alloc()
355 osb->local_alloc_bh = alloc_bh; in ocfs2_load_local_alloc()
356 osb->local_alloc_state = OCFS2_LA_ENABLED; in ocfs2_load_local_alloc()
363 trace_ocfs2_load_local_alloc(osb->local_alloc_bits); in ocfs2_load_local_alloc()
377 void ocfs2_shutdown_local_alloc(struct ocfs2_super *osb) in ocfs2_shutdown_local_alloc() argument
388 cancel_delayed_work(&osb->la_enable_wq); in ocfs2_shutdown_local_alloc()
389 flush_workqueue(osb->ocfs2_wq); in ocfs2_shutdown_local_alloc()
391 if (osb->local_alloc_state == OCFS2_LA_UNUSED) in ocfs2_shutdown_local_alloc()
395 ocfs2_get_system_file_inode(osb, in ocfs2_shutdown_local_alloc()
397 osb->slot_num); in ocfs2_shutdown_local_alloc()
404 osb->local_alloc_state = OCFS2_LA_DISABLED; in ocfs2_shutdown_local_alloc()
406 ocfs2_resmap_uninit(&osb->osb_la_resmap); in ocfs2_shutdown_local_alloc()
408 main_bm_inode = ocfs2_get_system_file_inode(osb, in ocfs2_shutdown_local_alloc()
426 handle = ocfs2_start_trans(osb, OCFS2_WINDOW_MOVE_CREDITS); in ocfs2_shutdown_local_alloc()
433 bh = osb->local_alloc_bh; in ocfs2_shutdown_local_alloc()
454 osb->local_alloc_bh = NULL; in ocfs2_shutdown_local_alloc()
455 osb->local_alloc_state = OCFS2_LA_UNUSED; in ocfs2_shutdown_local_alloc()
457 status = ocfs2_sync_local_to_main(osb, handle, alloc_copy, in ocfs2_shutdown_local_alloc()
463 ocfs2_commit_trans(osb, handle); in ocfs2_shutdown_local_alloc()
487 int ocfs2_begin_local_alloc_recovery(struct ocfs2_super *osb, in ocfs2_begin_local_alloc_recovery() argument
500 inode = ocfs2_get_system_file_inode(osb, in ocfs2_begin_local_alloc_recovery()
528 ocfs2_compute_meta_ecc(osb->sb, alloc_bh->b_data, &alloc->i_check); in ocfs2_begin_local_alloc_recovery()
529 status = ocfs2_write_block(osb, alloc_bh, INODE_CACHE(inode)); in ocfs2_begin_local_alloc_recovery()
557 int ocfs2_complete_local_alloc_recovery(struct ocfs2_super *osb, in ocfs2_complete_local_alloc_recovery() argument
565 main_bm_inode = ocfs2_get_system_file_inode(osb, in ocfs2_complete_local_alloc_recovery()
582 handle = ocfs2_start_trans(osb, OCFS2_WINDOW_MOVE_CREDITS); in ocfs2_complete_local_alloc_recovery()
593 status = ocfs2_sync_local_to_main(osb, handle, alloc, in ocfs2_complete_local_alloc_recovery()
598 ocfs2_commit_trans(osb, handle); in ocfs2_complete_local_alloc_recovery()
612 ocfs2_init_steal_slots(osb); in ocfs2_complete_local_alloc_recovery()
625 int ocfs2_reserve_local_alloc_bits(struct ocfs2_super *osb, in ocfs2_reserve_local_alloc_bits() argument
637 ocfs2_get_system_file_inode(osb, in ocfs2_reserve_local_alloc_bits()
639 osb->slot_num); in ocfs2_reserve_local_alloc_bits()
652 spin_lock(&osb->osb_lock); in ocfs2_reserve_local_alloc_bits()
653 if (!ocfs2_la_state_enabled(osb) || in ocfs2_reserve_local_alloc_bits()
654 (bits_wanted > osb->local_alloc_bits)) { in ocfs2_reserve_local_alloc_bits()
655 spin_unlock(&osb->osb_lock); in ocfs2_reserve_local_alloc_bits()
659 spin_unlock(&osb->osb_lock); in ocfs2_reserve_local_alloc_bits()
661 alloc = (struct ocfs2_dinode *) osb->local_alloc_bh->b_data; in ocfs2_reserve_local_alloc_bits()
666 ocfs2_error(osb->sb, "local alloc inode %llu says it has %u used bits, but a count shows %u\n", in ocfs2_reserve_local_alloc_bits()
680 ocfs2_local_alloc_slide_window(osb, local_alloc_inode); in ocfs2_reserve_local_alloc_bits()
694 if (!ocfs2_la_state_enabled(osb)) in ocfs2_reserve_local_alloc_bits()
705 ac->ac_alloc_slot = osb->slot_num; in ocfs2_reserve_local_alloc_bits()
707 get_bh(osb->local_alloc_bh); in ocfs2_reserve_local_alloc_bits()
708 ac->ac_bh = osb->local_alloc_bh; in ocfs2_reserve_local_alloc_bits()
718 bits_wanted, osb->slot_num, status); in ocfs2_reserve_local_alloc_bits()
725 int ocfs2_claim_local_alloc_bits(struct ocfs2_super *osb, in ocfs2_claim_local_alloc_bits() argument
741 alloc = (struct ocfs2_dinode *) osb->local_alloc_bh->b_data; in ocfs2_claim_local_alloc_bits()
744 start = ocfs2_local_alloc_find_clear_bits(osb, alloc, &bits_wanted, in ocfs2_claim_local_alloc_bits()
759 osb->local_alloc_bh, in ocfs2_claim_local_alloc_bits()
766 ocfs2_resmap_claimed_bits(&osb->osb_la_resmap, ac->ac_resv, start, in ocfs2_claim_local_alloc_bits()
773 ocfs2_journal_dirty(handle, osb->local_alloc_bh); in ocfs2_claim_local_alloc_bits()
781 int ocfs2_free_local_alloc_bits(struct ocfs2_super *osb, in ocfs2_free_local_alloc_bits() argument
797 alloc = (struct ocfs2_dinode *) osb->local_alloc_bh->b_data; in ocfs2_free_local_alloc_bits()
806 osb->local_alloc_bh, in ocfs2_free_local_alloc_bits()
817 ocfs2_journal_dirty(handle, osb->local_alloc_bh); in ocfs2_free_local_alloc_bits()
834 static int ocfs2_local_alloc_find_clear_bits(struct ocfs2_super *osb, in ocfs2_local_alloc_find_clear_bits() argument
843 struct ocfs2_reservation_map *resmap = &osb->osb_la_resmap; in ocfs2_local_alloc_find_clear_bits()
868 BUG_ON(osb->osb_resv_level != 0); in ocfs2_local_alloc_find_clear_bits()
960 static int ocfs2_sync_local_to_main(struct ocfs2_super *osb, in ocfs2_sync_local_to_main() argument
986 la_start_blk = ocfs2_clusters_to_blocks(osb->sb, in ocfs2_sync_local_to_main()
1001 ocfs2_clusters_to_blocks(osb->sb, in ocfs2_sync_local_to_main()
1052 static int ocfs2_recalc_la_window(struct ocfs2_super *osb, in ocfs2_recalc_la_window() argument
1058 spin_lock(&osb->osb_lock); in ocfs2_recalc_la_window()
1059 if (osb->local_alloc_state == OCFS2_LA_DISABLED) { in ocfs2_recalc_la_window()
1060 WARN_ON_ONCE(osb->local_alloc_state == OCFS2_LA_DISABLED); in ocfs2_recalc_la_window()
1074 bits = osb->local_alloc_bits >> 1; in ocfs2_recalc_la_window()
1075 if (bits > ocfs2_megabytes_to_clusters(osb->sb, 1)) { in ocfs2_recalc_la_window()
1083 osb->local_alloc_state = OCFS2_LA_THROTTLED; in ocfs2_recalc_la_window()
1084 osb->local_alloc_bits = bits; in ocfs2_recalc_la_window()
1086 osb->local_alloc_state = OCFS2_LA_DISABLED; in ocfs2_recalc_la_window()
1088 queue_delayed_work(osb->ocfs2_wq, &osb->la_enable_wq, in ocfs2_recalc_la_window()
1099 if (osb->local_alloc_state != OCFS2_LA_THROTTLED) in ocfs2_recalc_la_window()
1100 osb->local_alloc_bits = osb->local_alloc_default_bits; in ocfs2_recalc_la_window()
1103 state = osb->local_alloc_state; in ocfs2_recalc_la_window()
1104 spin_unlock(&osb->osb_lock); in ocfs2_recalc_la_window()
1109 static int ocfs2_local_alloc_reserve_for_window(struct ocfs2_super *osb, in ocfs2_local_alloc_reserve_for_window() argument
1124 (*ac)->ac_bits_wanted = osb->local_alloc_bits; in ocfs2_local_alloc_reserve_for_window()
1125 status = ocfs2_reserve_cluster_bitmap_bits(osb, *ac); in ocfs2_local_alloc_reserve_for_window()
1127 if (ocfs2_recalc_la_window(osb, OCFS2_LA_EVENT_ENOSPC) == in ocfs2_local_alloc_reserve_for_window()
1159 static int ocfs2_local_alloc_new_window(struct ocfs2_super *osb, in ocfs2_local_alloc_new_window() argument
1168 alloc = (struct ocfs2_dinode *) osb->local_alloc_bh->b_data; in ocfs2_local_alloc_new_window()
1173 osb->local_alloc_bits); in ocfs2_local_alloc_new_window()
1178 ac->ac_last_group = osb->la_last_gd; in ocfs2_local_alloc_new_window()
1183 status = ocfs2_claim_clusters(handle, ac, osb->local_alloc_bits, in ocfs2_local_alloc_new_window()
1192 if (ocfs2_recalc_la_window(osb, OCFS2_LA_EVENT_FRAGMENTED) == in ocfs2_local_alloc_new_window()
1196 ac->ac_bits_wanted = osb->local_alloc_bits; in ocfs2_local_alloc_new_window()
1198 osb->local_alloc_bits, in ocfs2_local_alloc_new_window()
1209 spin_lock(&osb->osb_lock); in ocfs2_local_alloc_new_window()
1210 osb->local_alloc_bits = cluster_count; in ocfs2_local_alloc_new_window()
1211 spin_unlock(&osb->osb_lock); in ocfs2_local_alloc_new_window()
1220 osb->la_last_gd = ac->ac_last_group; in ocfs2_local_alloc_new_window()
1232 ocfs2_resmap_restart(&osb->osb_la_resmap, cluster_count, in ocfs2_local_alloc_new_window()
1247 static int ocfs2_local_alloc_slide_window(struct ocfs2_super *osb, in ocfs2_local_alloc_slide_window() argument
1258 ocfs2_recalc_la_window(osb, OCFS2_LA_EVENT_SLIDE); in ocfs2_local_alloc_slide_window()
1261 status = ocfs2_local_alloc_reserve_for_window(osb, in ocfs2_local_alloc_slide_window()
1271 handle = ocfs2_start_trans(osb, OCFS2_WINDOW_MOVE_CREDITS); in ocfs2_local_alloc_slide_window()
1279 alloc = (struct ocfs2_dinode *) osb->local_alloc_bh->b_data; in ocfs2_local_alloc_slide_window()
1286 alloc_copy = kmalloc(osb->local_alloc_bh->b_size, GFP_NOFS); in ocfs2_local_alloc_slide_window()
1292 memcpy(alloc_copy, alloc, osb->local_alloc_bh->b_size); in ocfs2_local_alloc_slide_window()
1296 osb->local_alloc_bh, in ocfs2_local_alloc_slide_window()
1304 ocfs2_journal_dirty(handle, osb->local_alloc_bh); in ocfs2_local_alloc_slide_window()
1306 status = ocfs2_sync_local_to_main(osb, handle, alloc_copy, in ocfs2_local_alloc_slide_window()
1313 status = ocfs2_local_alloc_new_window(osb, handle, ac); in ocfs2_local_alloc_slide_window()
1320 atomic_inc(&osb->alloc_stats.moves); in ocfs2_local_alloc_slide_window()
1324 ocfs2_commit_trans(osb, handle); in ocfs2_local_alloc_slide_window()