227 	struct ocfs2_super *osb = OCFS2_SB(oi->vfs_inode.i_sb);  in ocfs2_dinode_insert_check()  local
230 	mlog_bug_on_msg(!ocfs2_sparse_alloc(osb) &&  in ocfs2_dinode_insert_check()
234 			osb->dev_str,  in ocfs2_dinode_insert_check()
959 int ocfs2_num_free_extents(struct ocfs2_super *osb,  in ocfs2_num_free_extents()  argument
1007 	struct ocfs2_super *osb =  in ocfs2_create_new_meta_bhs()  local
1026 			bhs[i] = sb_getblk(osb->sb, first_blkno);  in ocfs2_create_new_meta_bhs()
1042 			memset(bhs[i]->b_data, 0, osb->sb->s_blocksize);  in ocfs2_create_new_meta_bhs()
1047 			eb->h_fs_generation = cpu_to_le32(osb->fs_generation);  in ocfs2_create_new_meta_bhs()
1053 				cpu_to_le16(ocfs2_extent_recs_per_eb(osb->sb));  in ocfs2_create_new_meta_bhs()
4748 	struct ocfs2_super *osb =  in ocfs2_add_clusters_in_btree()  local
4756 	free_extents = ocfs2_num_free_extents(osb, et);  in ocfs2_add_clusters_in_btree()
4801 	block = ocfs2_clusters_to_blocks(osb->sb, bit_off);  in ocfs2_add_clusters_in_btree()
4827 			ocfs2_free_local_alloc_bits(osb, handle, data_ac,  in ocfs2_add_clusters_in_btree()
4833 					ocfs2_clusters_to_blocks(osb->sb, bit_off),  in ocfs2_add_clusters_in_btree()
5623 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);  in ocfs2_reserve_blocks_for_rec_trunc()  local
5627 	num_free_extents = ocfs2_num_free_extents(osb, et);  in ocfs2_reserve_blocks_for_rec_trunc()
5635 	    (ocfs2_sparse_alloc(osb) && num_free_extents < max_recs_needed))  in ocfs2_reserve_blocks_for_rec_trunc()
5639 		ret = ocfs2_reserve_new_metadata_blocks(osb, extra_blocks, ac);  in ocfs2_reserve_blocks_for_rec_trunc()
5666 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);  in ocfs2_remove_btree_range()  local
5667 	struct inode *tl_inode = osb->osb_tl_inode;  in ocfs2_remove_btree_range()
5677 			ret = ocfs2_lock_refcount_tree(osb, refcount_loc, 1,  in ocfs2_remove_btree_range()
5706 	if (ocfs2_truncate_log_needs_flush(osb)) {  in ocfs2_remove_btree_range()
5707 		ret = __ocfs2_flush_truncate_log(osb);  in ocfs2_remove_btree_range()
5714 	handle = ocfs2_start_trans(osb,  in ocfs2_remove_btree_range()
5715 			ocfs2_remove_extent_credits(osb->sb) + credits);  in ocfs2_remove_btree_range()
5746 					ocfs2_blocks_to_clusters(osb->sb,  in ocfs2_remove_btree_range()
5751 			ret = ocfs2_truncate_log_append(osb, handle,  in ocfs2_remove_btree_range()
5759 	ocfs2_commit_trans(osb, handle);  in ocfs2_remove_btree_range()
5767 		ocfs2_unlock_refcount_tree(osb, ref_tree, 1);  in ocfs2_remove_btree_range()
5772 int ocfs2_truncate_log_needs_flush(struct ocfs2_super *osb)  in ocfs2_truncate_log_needs_flush()  argument
5774 	struct buffer_head *tl_bh = osb->osb_tl_bh;  in ocfs2_truncate_log_needs_flush()
5783 			"%u, count = %u\n", osb->slot_num,  in ocfs2_truncate_log_needs_flush()
5805 int ocfs2_truncate_log_append(struct ocfs2_super *osb,  in ocfs2_truncate_log_append()  argument
5812 	struct inode *tl_inode = osb->osb_tl_inode;  in ocfs2_truncate_log_append()
5813 	struct buffer_head *tl_bh = osb->osb_tl_bh;  in ocfs2_truncate_log_append()
5819 	start_cluster = ocfs2_blocks_to_clusters(osb->sb, start_blk);  in ocfs2_truncate_log_append()
5830 	mlog_bug_on_msg(tl_count > ocfs2_truncate_recs_per_inode(osb->sb) ||  in ocfs2_truncate_log_append()
5835 			ocfs2_truncate_recs_per_inode(osb->sb),  in ocfs2_truncate_log_append()
5876 	osb->truncated_clusters += num_clusters;  in ocfs2_truncate_log_append()
5881 static int ocfs2_replay_truncate_records(struct ocfs2_super *osb,  in ocfs2_replay_truncate_records()  argument
5893 	struct inode *tl_inode = osb->osb_tl_inode;  in ocfs2_replay_truncate_records()
5894 	struct buffer_head *tl_bh = osb->osb_tl_bh;  in ocfs2_replay_truncate_records()
5946 	osb->truncated_clusters = 0;  in ocfs2_replay_truncate_records()
5953 int __ocfs2_flush_truncate_log(struct ocfs2_super *osb)  in __ocfs2_flush_truncate_log()  argument
5958 	struct inode *tl_inode = osb->osb_tl_inode;  in __ocfs2_flush_truncate_log()
5960 	struct buffer_head *tl_bh = osb->osb_tl_bh;  in __ocfs2_flush_truncate_log()
5984 	data_alloc_inode = ocfs2_get_system_file_inode(osb,  in __ocfs2_flush_truncate_log()
6001 	handle = ocfs2_start_trans(osb, OCFS2_TRUNCATE_LOG_UPDATE);  in __ocfs2_flush_truncate_log()
6008 	status = ocfs2_replay_truncate_records(osb, handle, data_alloc_inode,  in __ocfs2_flush_truncate_log()
6013 	ocfs2_commit_trans(osb, handle);  in __ocfs2_flush_truncate_log()
6027 int ocfs2_flush_truncate_log(struct ocfs2_super *osb)  in ocfs2_flush_truncate_log()  argument
6030 	struct inode *tl_inode = osb->osb_tl_inode;  in ocfs2_flush_truncate_log()
6033 	status = __ocfs2_flush_truncate_log(osb);  in ocfs2_flush_truncate_log()
6042 	struct ocfs2_super *osb =  in ocfs2_truncate_log_worker()  local
6046 	status = ocfs2_flush_truncate_log(osb);  in ocfs2_truncate_log_worker()
6050 		ocfs2_init_steal_slots(osb);  in ocfs2_truncate_log_worker()
6054 void ocfs2_schedule_truncate_log_flush(struct ocfs2_super *osb,  in ocfs2_schedule_truncate_log_flush()  argument
6057 	if (osb->osb_tl_inode &&  in ocfs2_schedule_truncate_log_flush()
6058 			atomic_read(&osb->osb_tl_disable) == 0) {  in ocfs2_schedule_truncate_log_flush()
6062 			cancel_delayed_work(&osb->osb_truncate_log_wq);  in ocfs2_schedule_truncate_log_flush()
6064 		queue_delayed_work(ocfs2_wq, &osb->osb_truncate_log_wq,  in ocfs2_schedule_truncate_log_flush()
6069 static int ocfs2_get_truncate_log_info(struct ocfs2_super *osb,  in ocfs2_get_truncate_log_info()  argument
6078 	inode = ocfs2_get_system_file_inode(osb,  in ocfs2_get_truncate_log_info()
6104 int ocfs2_begin_truncate_log_recovery(struct ocfs2_super *osb,  in ocfs2_begin_truncate_log_recovery()  argument
6118 	status = ocfs2_get_truncate_log_info(osb, slot_num, &tl_inode, &tl_bh);  in ocfs2_begin_truncate_log_recovery()
6150 		ocfs2_compute_meta_ecc(osb->sb, tl_bh->b_data, &di->i_check);  in ocfs2_begin_truncate_log_recovery()
6151 		status = ocfs2_write_block(osb, tl_bh, INODE_CACHE(tl_inode));  in ocfs2_begin_truncate_log_recovery()
6172 int ocfs2_complete_truncate_log_recovery(struct ocfs2_super *osb,  in ocfs2_complete_truncate_log_recovery()  argument
6180 	struct inode *tl_inode = osb->osb_tl_inode;  in ocfs2_complete_truncate_log_recovery()
6196 		if (ocfs2_truncate_log_needs_flush(osb)) {  in ocfs2_complete_truncate_log_recovery()
6197 			status = __ocfs2_flush_truncate_log(osb);  in ocfs2_complete_truncate_log_recovery()
6204 		handle = ocfs2_start_trans(osb, OCFS2_TRUNCATE_LOG_UPDATE);  in ocfs2_complete_truncate_log_recovery()
6213 		start_blk = ocfs2_clusters_to_blocks(osb->sb, start_cluster);  in ocfs2_complete_truncate_log_recovery()
6215 		status = ocfs2_truncate_log_append(osb, handle,  in ocfs2_complete_truncate_log_recovery()
6217 		ocfs2_commit_trans(osb, handle);  in ocfs2_complete_truncate_log_recovery()
6230 void ocfs2_truncate_log_shutdown(struct ocfs2_super *osb)  in ocfs2_truncate_log_shutdown()  argument
6233 	struct inode *tl_inode = osb->osb_tl_inode;  in ocfs2_truncate_log_shutdown()
6235 	atomic_set(&osb->osb_tl_disable, 1);  in ocfs2_truncate_log_shutdown()
6238 		cancel_delayed_work(&osb->osb_truncate_log_wq);  in ocfs2_truncate_log_shutdown()
6241 		status = ocfs2_flush_truncate_log(osb);  in ocfs2_truncate_log_shutdown()
6245 		brelse(osb->osb_tl_bh);  in ocfs2_truncate_log_shutdown()
6246 		iput(osb->osb_tl_inode);  in ocfs2_truncate_log_shutdown()
6250 int ocfs2_truncate_log_init(struct ocfs2_super *osb)  in ocfs2_truncate_log_init()  argument
6256 	status = ocfs2_get_truncate_log_info(osb,  in ocfs2_truncate_log_init()
6257 					     osb->slot_num,  in ocfs2_truncate_log_init()
6266 	INIT_DELAYED_WORK(&osb->osb_truncate_log_wq,  in ocfs2_truncate_log_init()
6268 	atomic_set(&osb->osb_tl_disable, 0);  in ocfs2_truncate_log_init()
6269 	osb->osb_tl_bh    = tl_bh;  in ocfs2_truncate_log_init()
6270 	osb->osb_tl_inode = tl_inode;  in ocfs2_truncate_log_init()
6313 static int ocfs2_free_cached_blocks(struct ocfs2_super *osb,  in ocfs2_free_cached_blocks()  argument
6325 	inode = ocfs2_get_system_file_inode(osb, sysfile_type, slot);  in ocfs2_free_cached_blocks()
6340 	handle = ocfs2_start_trans(osb, OCFS2_SUBALLOC_FREE);  in ocfs2_free_cached_blocks()
6375 	ocfs2_commit_trans(osb, handle);  in ocfs2_free_cached_blocks()
6417 static int ocfs2_free_cached_clusters(struct ocfs2_super *osb,  in ocfs2_free_cached_clusters()  argument
6421 	struct inode *tl_inode = osb->osb_tl_inode;  in ocfs2_free_cached_clusters()
6428 		if (ocfs2_truncate_log_needs_flush(osb)) {  in ocfs2_free_cached_clusters()
6429 			ret = __ocfs2_flush_truncate_log(osb);  in ocfs2_free_cached_clusters()
6436 		handle = ocfs2_start_trans(osb, OCFS2_TRUNCATE_LOG_UPDATE);  in ocfs2_free_cached_clusters()
6443 		ret = ocfs2_truncate_log_append(osb, handle, head->free_blk,  in ocfs2_free_cached_clusters()
6446 		ocfs2_commit_trans(osb, handle);  in ocfs2_free_cached_clusters()
6469 int ocfs2_run_deallocs(struct ocfs2_super *osb,  in ocfs2_run_deallocs()  argument
6484 			ret2 = ocfs2_free_cached_blocks(osb,  in ocfs2_run_deallocs()
6499 		ret2 = ocfs2_free_cached_clusters(osb,  in ocfs2_run_deallocs()
6842 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);  in ocfs2_convert_inline_data_to_extents()  local
6846 	loff_t end = osb->s_clustersize;  in ocfs2_convert_inline_data_to_extents()
6853 		pages = kcalloc(ocfs2_pages_per_cluster(osb->sb),  in ocfs2_convert_inline_data_to_extents()
6861 		ret = ocfs2_reserve_clusters(osb, 1, &data_ac);  in ocfs2_convert_inline_data_to_extents()
6868 	handle = ocfs2_start_trans(osb,  in ocfs2_convert_inline_data_to_extents()
6869 				   ocfs2_inline_to_extents_credits(osb->sb));  in ocfs2_convert_inline_data_to_extents()
6888 				       ocfs2_clusters_to_bytes(osb->sb, 1));  in ocfs2_convert_inline_data_to_extents()
6912 		if (!ocfs2_sparse_alloc(osb) &&  in ocfs2_convert_inline_data_to_extents()
6913 		    PAGE_CACHE_SIZE < osb->s_clustersize)  in ocfs2_convert_inline_data_to_extents()
6935 		if (PAGE_CACHE_SIZE > osb->s_clustersize)  in ocfs2_convert_inline_data_to_extents()
6936 			page_end = osb->s_clustersize;  in ocfs2_convert_inline_data_to_extents()
6977 					  ocfs2_clusters_to_bytes(osb->sb, 1));  in ocfs2_convert_inline_data_to_extents()
6981 			ocfs2_free_local_alloc_bits(osb, handle, data_ac,  in ocfs2_convert_inline_data_to_extents()
6987 					ocfs2_clusters_to_blocks(osb->sb, bit_off),  in ocfs2_convert_inline_data_to_extents()
6991 	ocfs2_commit_trans(osb, handle);  in ocfs2_convert_inline_data_to_extents()
7007 int ocfs2_commit_truncate(struct ocfs2_super *osb,  in ocfs2_commit_truncate()  argument
7027 	new_highest_cpos = ocfs2_clusters_for_bytes(osb->sb,  in ocfs2_commit_truncate()
7133 		status = ocfs2_lock_refcount_tree(osb, refcount_loc, 1,  in ocfs2_commit_truncate()
7159 		ocfs2_unlock_refcount_tree(osb, ref_tree, 1);  in ocfs2_commit_truncate()
7161 	ocfs2_schedule_truncate_log_flush(osb, 1);  in ocfs2_commit_truncate()
7163 	ocfs2_run_deallocs(osb, &dealloc);  in ocfs2_commit_truncate()
7179 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);  in ocfs2_truncate_inline()  local
7190 	    !ocfs2_supports_inline_data(osb)) {  in ocfs2_truncate_inline()
7197 			    osb->s_feature_incompat);  in ocfs2_truncate_inline()
7202 	handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);  in ocfs2_truncate_inline()
7240 	ocfs2_commit_trans(osb, handle);  in ocfs2_truncate_inline()
7308 	struct ocfs2_super *osb = OCFS2_SB(sb);  in ocfs2_trim_fs()  local
7318 	start = range->start >> osb->s_clustersize_bits;  in ocfs2_trim_fs()
7319 	len = range->len >> osb->s_clustersize_bits;  in ocfs2_trim_fs()
7320 	minlen = range->minlen >> osb->s_clustersize_bits;  in ocfs2_trim_fs()
7322 	if (minlen >= osb->bitmap_cpg || range->len < sb->s_blocksize)  in ocfs2_trim_fs()
7325 	main_bm_inode = ocfs2_get_system_file_inode(osb,  in ocfs2_trim_fs()
7348 	len = range->len >> osb->s_clustersize_bits;  in ocfs2_trim_fs()
7356 	if (first_group == osb->first_cluster_group_blkno)  in ocfs2_trim_fs()
7361 	last_bit = osb->bitmap_cpg;  in ocfs2_trim_fs()
7365 		if (first_bit + len >= osb->bitmap_cpg)  in ocfs2_trim_fs()
7366 			last_bit = osb->bitmap_cpg;  in ocfs2_trim_fs()
7389 		len -= osb->bitmap_cpg - first_bit;  in ocfs2_trim_fs()
7391 		if (group == osb->first_cluster_group_blkno)  in ocfs2_trim_fs()
7392 			group = ocfs2_clusters_to_blocks(sb, osb->bitmap_cpg);  in ocfs2_trim_fs()
7394 			group += ocfs2_clusters_to_blocks(sb, osb->bitmap_cpg);  in ocfs2_trim_fs()