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()
957 int ocfs2_num_free_extents(struct ocfs2_super *osb,  in ocfs2_num_free_extents()  argument
1005 	struct ocfs2_super *osb =  in ocfs2_create_new_meta_bhs()  local
1024 			bhs[i] = sb_getblk(osb->sb, first_blkno);  in ocfs2_create_new_meta_bhs()
1040 			memset(bhs[i]->b_data, 0, osb->sb->s_blocksize);  in ocfs2_create_new_meta_bhs()
1045 			eb->h_fs_generation = cpu_to_le32(osb->fs_generation);  in ocfs2_create_new_meta_bhs()
1051 				cpu_to_le16(ocfs2_extent_recs_per_eb(osb->sb));  in ocfs2_create_new_meta_bhs()
3123 static int ocfs2_remove_rightmost_empty_extent(struct ocfs2_super *osb,  in ocfs2_remove_rightmost_empty_extent()  argument
3132 	handle = ocfs2_start_trans(osb, credits);  in ocfs2_remove_rightmost_empty_extent()
3143 	ocfs2_commit_trans(osb, handle);  in ocfs2_remove_rightmost_empty_extent()
4767 	struct ocfs2_super *osb =  in ocfs2_add_clusters_in_btree()  local
4775 	free_extents = ocfs2_num_free_extents(osb, et);  in ocfs2_add_clusters_in_btree()
4820 	block = ocfs2_clusters_to_blocks(osb->sb, bit_off);  in ocfs2_add_clusters_in_btree()
4846 			ocfs2_free_local_alloc_bits(osb, handle, data_ac,  in ocfs2_add_clusters_in_btree()
4852 					ocfs2_clusters_to_blocks(osb->sb, bit_off),  in ocfs2_add_clusters_in_btree()
5641 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);  in ocfs2_reserve_blocks_for_rec_trunc()  local
5645 	num_free_extents = ocfs2_num_free_extents(osb, et);  in ocfs2_reserve_blocks_for_rec_trunc()
5653 	    (ocfs2_sparse_alloc(osb) && num_free_extents < max_recs_needed))  in ocfs2_reserve_blocks_for_rec_trunc()
5657 		ret = ocfs2_reserve_new_metadata_blocks(osb, extra_blocks, ac);  in ocfs2_reserve_blocks_for_rec_trunc()
5684 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);  in ocfs2_remove_btree_range()  local
5685 	struct inode *tl_inode = osb->osb_tl_inode;  in ocfs2_remove_btree_range()
5695 			ret = ocfs2_lock_refcount_tree(osb, refcount_loc, 1,  in ocfs2_remove_btree_range()
5724 	if (ocfs2_truncate_log_needs_flush(osb)) {  in ocfs2_remove_btree_range()
5725 		ret = __ocfs2_flush_truncate_log(osb);  in ocfs2_remove_btree_range()
5732 	handle = ocfs2_start_trans(osb,  in ocfs2_remove_btree_range()
5733 			ocfs2_remove_extent_credits(osb->sb) + credits);  in ocfs2_remove_btree_range()
5764 					ocfs2_blocks_to_clusters(osb->sb,  in ocfs2_remove_btree_range()
5769 			ret = ocfs2_truncate_log_append(osb, handle,  in ocfs2_remove_btree_range()
5777 	ocfs2_commit_trans(osb, handle);  in ocfs2_remove_btree_range()
5785 		ocfs2_unlock_refcount_tree(osb, ref_tree, 1);  in ocfs2_remove_btree_range()
5790 int ocfs2_truncate_log_needs_flush(struct ocfs2_super *osb)  in ocfs2_truncate_log_needs_flush()  argument
5792 	struct buffer_head *tl_bh = osb->osb_tl_bh;  in ocfs2_truncate_log_needs_flush()
5801 			"%u, count = %u\n", osb->slot_num,  in ocfs2_truncate_log_needs_flush()
5823 int ocfs2_truncate_log_append(struct ocfs2_super *osb,  in ocfs2_truncate_log_append()  argument
5830 	struct inode *tl_inode = osb->osb_tl_inode;  in ocfs2_truncate_log_append()
5831 	struct buffer_head *tl_bh = osb->osb_tl_bh;  in ocfs2_truncate_log_append()
5837 	start_cluster = ocfs2_blocks_to_clusters(osb->sb, start_blk);  in ocfs2_truncate_log_append()
5848 	mlog_bug_on_msg(tl_count > ocfs2_truncate_recs_per_inode(osb->sb) ||  in ocfs2_truncate_log_append()
5853 			ocfs2_truncate_recs_per_inode(osb->sb),  in ocfs2_truncate_log_append()
5894 	osb->truncated_clusters += num_clusters;  in ocfs2_truncate_log_append()
5899 static int ocfs2_replay_truncate_records(struct ocfs2_super *osb,  in ocfs2_replay_truncate_records()  argument
5911 	struct inode *tl_inode = osb->osb_tl_inode;  in ocfs2_replay_truncate_records()
5912 	struct buffer_head *tl_bh = osb->osb_tl_bh;  in ocfs2_replay_truncate_records()
5964 	osb->truncated_clusters = 0;  in ocfs2_replay_truncate_records()
5971 int __ocfs2_flush_truncate_log(struct ocfs2_super *osb)  in __ocfs2_flush_truncate_log()  argument
5976 	struct inode *tl_inode = osb->osb_tl_inode;  in __ocfs2_flush_truncate_log()
5978 	struct buffer_head *tl_bh = osb->osb_tl_bh;  in __ocfs2_flush_truncate_log()
6002 	data_alloc_inode = ocfs2_get_system_file_inode(osb,  in __ocfs2_flush_truncate_log()
6019 	handle = ocfs2_start_trans(osb, OCFS2_TRUNCATE_LOG_UPDATE);  in __ocfs2_flush_truncate_log()
6026 	status = ocfs2_replay_truncate_records(osb, handle, data_alloc_inode,  in __ocfs2_flush_truncate_log()
6031 	ocfs2_commit_trans(osb, handle);  in __ocfs2_flush_truncate_log()
6045 int ocfs2_flush_truncate_log(struct ocfs2_super *osb)  in ocfs2_flush_truncate_log()  argument
6048 	struct inode *tl_inode = osb->osb_tl_inode;  in ocfs2_flush_truncate_log()
6051 	status = __ocfs2_flush_truncate_log(osb);  in ocfs2_flush_truncate_log()
6060 	struct ocfs2_super *osb =  in ocfs2_truncate_log_worker()  local
6064 	status = ocfs2_flush_truncate_log(osb);  in ocfs2_truncate_log_worker()
6068 		ocfs2_init_steal_slots(osb);  in ocfs2_truncate_log_worker()
6072 void ocfs2_schedule_truncate_log_flush(struct ocfs2_super *osb,  in ocfs2_schedule_truncate_log_flush()  argument
6075 	if (osb->osb_tl_inode &&  in ocfs2_schedule_truncate_log_flush()
6076 			atomic_read(&osb->osb_tl_disable) == 0) {  in ocfs2_schedule_truncate_log_flush()
6080 			cancel_delayed_work(&osb->osb_truncate_log_wq);  in ocfs2_schedule_truncate_log_flush()
6082 		queue_delayed_work(ocfs2_wq, &osb->osb_truncate_log_wq,  in ocfs2_schedule_truncate_log_flush()
6087 static int ocfs2_get_truncate_log_info(struct ocfs2_super *osb,  in ocfs2_get_truncate_log_info()  argument
6096 	inode = ocfs2_get_system_file_inode(osb,  in ocfs2_get_truncate_log_info()
6122 int ocfs2_begin_truncate_log_recovery(struct ocfs2_super *osb,  in ocfs2_begin_truncate_log_recovery()  argument
6136 	status = ocfs2_get_truncate_log_info(osb, slot_num, &tl_inode, &tl_bh);  in ocfs2_begin_truncate_log_recovery()
6168 		ocfs2_compute_meta_ecc(osb->sb, tl_bh->b_data, &di->i_check);  in ocfs2_begin_truncate_log_recovery()
6169 		status = ocfs2_write_block(osb, tl_bh, INODE_CACHE(tl_inode));  in ocfs2_begin_truncate_log_recovery()
6190 int ocfs2_complete_truncate_log_recovery(struct ocfs2_super *osb,  in ocfs2_complete_truncate_log_recovery()  argument
6198 	struct inode *tl_inode = osb->osb_tl_inode;  in ocfs2_complete_truncate_log_recovery()
6214 		if (ocfs2_truncate_log_needs_flush(osb)) {  in ocfs2_complete_truncate_log_recovery()
6215 			status = __ocfs2_flush_truncate_log(osb);  in ocfs2_complete_truncate_log_recovery()
6222 		handle = ocfs2_start_trans(osb, OCFS2_TRUNCATE_LOG_UPDATE);  in ocfs2_complete_truncate_log_recovery()
6231 		start_blk = ocfs2_clusters_to_blocks(osb->sb, start_cluster);  in ocfs2_complete_truncate_log_recovery()
6233 		status = ocfs2_truncate_log_append(osb, handle,  in ocfs2_complete_truncate_log_recovery()
6235 		ocfs2_commit_trans(osb, handle);  in ocfs2_complete_truncate_log_recovery()
6248 void ocfs2_truncate_log_shutdown(struct ocfs2_super *osb)  in ocfs2_truncate_log_shutdown()  argument
6251 	struct inode *tl_inode = osb->osb_tl_inode;  in ocfs2_truncate_log_shutdown()
6253 	atomic_set(&osb->osb_tl_disable, 1);  in ocfs2_truncate_log_shutdown()
6256 		cancel_delayed_work(&osb->osb_truncate_log_wq);  in ocfs2_truncate_log_shutdown()
6259 		status = ocfs2_flush_truncate_log(osb);  in ocfs2_truncate_log_shutdown()
6263 		brelse(osb->osb_tl_bh);  in ocfs2_truncate_log_shutdown()
6264 		iput(osb->osb_tl_inode);  in ocfs2_truncate_log_shutdown()
6268 int ocfs2_truncate_log_init(struct ocfs2_super *osb)  in ocfs2_truncate_log_init()  argument
6274 	status = ocfs2_get_truncate_log_info(osb,  in ocfs2_truncate_log_init()
6275 					     osb->slot_num,  in ocfs2_truncate_log_init()
6284 	INIT_DELAYED_WORK(&osb->osb_truncate_log_wq,  in ocfs2_truncate_log_init()
6286 	atomic_set(&osb->osb_tl_disable, 0);  in ocfs2_truncate_log_init()
6287 	osb->osb_tl_bh    = tl_bh;  in ocfs2_truncate_log_init()
6288 	osb->osb_tl_inode = tl_inode;  in ocfs2_truncate_log_init()
6331 static int ocfs2_free_cached_blocks(struct ocfs2_super *osb,  in ocfs2_free_cached_blocks()  argument
6343 	inode = ocfs2_get_system_file_inode(osb, sysfile_type, slot);  in ocfs2_free_cached_blocks()
6358 	handle = ocfs2_start_trans(osb, OCFS2_SUBALLOC_FREE);  in ocfs2_free_cached_blocks()
6393 	ocfs2_commit_trans(osb, handle);  in ocfs2_free_cached_blocks()
6435 static int ocfs2_free_cached_clusters(struct ocfs2_super *osb,  in ocfs2_free_cached_clusters()  argument
6439 	struct inode *tl_inode = osb->osb_tl_inode;  in ocfs2_free_cached_clusters()
6446 		if (ocfs2_truncate_log_needs_flush(osb)) {  in ocfs2_free_cached_clusters()
6447 			ret = __ocfs2_flush_truncate_log(osb);  in ocfs2_free_cached_clusters()
6454 		handle = ocfs2_start_trans(osb, OCFS2_TRUNCATE_LOG_UPDATE);  in ocfs2_free_cached_clusters()
6461 		ret = ocfs2_truncate_log_append(osb, handle, head->free_blk,  in ocfs2_free_cached_clusters()
6464 		ocfs2_commit_trans(osb, handle);  in ocfs2_free_cached_clusters()
6487 int ocfs2_run_deallocs(struct ocfs2_super *osb,  in ocfs2_run_deallocs()  argument
6502 			ret2 = ocfs2_free_cached_blocks(osb,  in ocfs2_run_deallocs()
6517 		ret2 = ocfs2_free_cached_clusters(osb,  in ocfs2_run_deallocs()
6860 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);  in ocfs2_convert_inline_data_to_extents()  local
6864 	loff_t end = osb->s_clustersize;  in ocfs2_convert_inline_data_to_extents()
6871 		pages = kcalloc(ocfs2_pages_per_cluster(osb->sb),  in ocfs2_convert_inline_data_to_extents()
6879 		ret = ocfs2_reserve_clusters(osb, 1, &data_ac);  in ocfs2_convert_inline_data_to_extents()
6886 	handle = ocfs2_start_trans(osb,  in ocfs2_convert_inline_data_to_extents()
6887 				   ocfs2_inline_to_extents_credits(osb->sb));  in ocfs2_convert_inline_data_to_extents()
6906 				       ocfs2_clusters_to_bytes(osb->sb, 1));  in ocfs2_convert_inline_data_to_extents()
6930 		if (!ocfs2_sparse_alloc(osb) &&  in ocfs2_convert_inline_data_to_extents()
6931 		    PAGE_CACHE_SIZE < osb->s_clustersize)  in ocfs2_convert_inline_data_to_extents()
6953 		if (PAGE_CACHE_SIZE > osb->s_clustersize)  in ocfs2_convert_inline_data_to_extents()
6954 			page_end = osb->s_clustersize;  in ocfs2_convert_inline_data_to_extents()
6995 					  ocfs2_clusters_to_bytes(osb->sb, 1));  in ocfs2_convert_inline_data_to_extents()
6999 			ocfs2_free_local_alloc_bits(osb, handle, data_ac,  in ocfs2_convert_inline_data_to_extents()
7005 					ocfs2_clusters_to_blocks(osb->sb, bit_off),  in ocfs2_convert_inline_data_to_extents()
7009 	ocfs2_commit_trans(osb, handle);  in ocfs2_convert_inline_data_to_extents()
7025 int ocfs2_commit_truncate(struct ocfs2_super *osb,  in ocfs2_commit_truncate()  argument
7045 	new_highest_cpos = ocfs2_clusters_for_bytes(osb->sb,  in ocfs2_commit_truncate()
7117 			status = ocfs2_remove_rightmost_empty_extent(osb,  in ocfs2_commit_truncate()
7159 		status = ocfs2_lock_refcount_tree(osb, refcount_loc, 1,  in ocfs2_commit_truncate()
7185 		ocfs2_unlock_refcount_tree(osb, ref_tree, 1);  in ocfs2_commit_truncate()
7187 	ocfs2_schedule_truncate_log_flush(osb, 1);  in ocfs2_commit_truncate()
7189 	ocfs2_run_deallocs(osb, &dealloc);  in ocfs2_commit_truncate()
7205 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);  in ocfs2_truncate_inline()  local
7216 	    !ocfs2_supports_inline_data(osb)) {  in ocfs2_truncate_inline()
7222 			    osb->s_feature_incompat);  in ocfs2_truncate_inline()
7227 	handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);  in ocfs2_truncate_inline()
7265 	ocfs2_commit_trans(osb, handle);  in ocfs2_truncate_inline()
7333 	struct ocfs2_super *osb = OCFS2_SB(sb);  in ocfs2_trim_fs()  local
7343 	start = range->start >> osb->s_clustersize_bits;  in ocfs2_trim_fs()
7344 	len = range->len >> osb->s_clustersize_bits;  in ocfs2_trim_fs()
7345 	minlen = range->minlen >> osb->s_clustersize_bits;  in ocfs2_trim_fs()
7347 	if (minlen >= osb->bitmap_cpg || range->len < sb->s_blocksize)  in ocfs2_trim_fs()
7350 	main_bm_inode = ocfs2_get_system_file_inode(osb,  in ocfs2_trim_fs()
7373 	len = range->len >> osb->s_clustersize_bits;  in ocfs2_trim_fs()
7381 	if (first_group == osb->first_cluster_group_blkno)  in ocfs2_trim_fs()
7386 	last_bit = osb->bitmap_cpg;  in ocfs2_trim_fs()
7390 		if (first_bit + len >= osb->bitmap_cpg)  in ocfs2_trim_fs()
7391 			last_bit = osb->bitmap_cpg;  in ocfs2_trim_fs()
7414 		len -= osb->bitmap_cpg - first_bit;  in ocfs2_trim_fs()
7416 		if (group == osb->first_cluster_group_blkno)  in ocfs2_trim_fs()
7417 			group = ocfs2_clusters_to_blocks(sb, osb->bitmap_cpg);  in ocfs2_trim_fs()
7419 			group += ocfs2_clusters_to_blocks(sb, osb->bitmap_cpg);  in ocfs2_trim_fs()