58 			       struct inode *dir,
69 static int ocfs2_supports_dir_trailer(struct inode *dir)  in ocfs2_supports_dir_trailer()  argument
71 	struct ocfs2_super *osb = OCFS2_SB(dir->i_sb);  in ocfs2_supports_dir_trailer()
73 	if (OCFS2_I(dir)->ip_dyn_features & OCFS2_INLINE_DATA_FL)  in ocfs2_supports_dir_trailer()
76 	return ocfs2_meta_ecc(osb) || ocfs2_dir_indexed(dir);  in ocfs2_supports_dir_trailer()
87 static int ocfs2_new_dir_wants_trailer(struct inode *dir)  in ocfs2_new_dir_wants_trailer()  argument
89 	struct ocfs2_super *osb = OCFS2_SB(dir->i_sb);  in ocfs2_new_dir_wants_trailer()
117 static int ocfs2_skip_dir_trailer(struct inode *dir,  in ocfs2_skip_dir_trailer()  argument
124 	if (!ocfs2_supports_dir_trailer(dir))  in ocfs2_skip_dir_trailer()
151 static int ocfs2_dx_dir_link_trailer(struct inode *dir, handle_t *handle,  in ocfs2_dx_dir_link_trailer()  argument
159 	ret = ocfs2_journal_access_dr(handle, INODE_CACHE(dir), dx_root_bh,  in ocfs2_dx_dir_link_trailer()
165 	trailer = ocfs2_trailer_from_bh(dirdata_bh, dir->i_sb);  in ocfs2_dx_dir_link_trailer()
251 static void ocfs2_dx_dir_name_hash(struct inode *dir, const char *name, int len,  in ocfs2_dx_dir_name_hash()  argument
254 	struct ocfs2_super *osb = OCFS2_SB(dir->i_sb);  in ocfs2_dx_dir_name_hash()
297 static int ocfs2_check_dir_entry(struct inode * dir,  in ocfs2_check_dir_entry()  argument
312 		 ((char *) de - bh->b_data) + rlen > dir->i_sb->s_blocksize))  in ocfs2_check_dir_entry()
318 		     (unsigned long long)OCFS2_I(dir)->ip_blkno, error_msg,  in ocfs2_check_dir_entry()
340 					struct inode *dir,  in ocfs2_search_dirblock()  argument
364 			if (!ocfs2_check_dir_entry(dir, de, bh, offset)) {  in ocfs2_search_dirblock()
391 					       struct inode *dir,  in ocfs2_find_entry_id()  argument
399 	ret = ocfs2_read_inode_block(dir, &di_bh);  in ocfs2_find_entry_id()
408 	found = ocfs2_search_dirblock(di_bh, dir, name, namelen, 0,  in ocfs2_find_entry_id()
409 				      data->id_data, i_size_read(dir), res_dir);  in ocfs2_find_entry_id()
457 static int ocfs2_check_dir_trailer(struct inode *dir, struct buffer_head *bh)  in ocfs2_check_dir_trailer()  argument
462 	trailer = ocfs2_trailer_from_bh(bh, dir->i_sb);  in ocfs2_check_dir_trailer()
464 		rc = ocfs2_error(dir->i_sb,  in ocfs2_check_dir_trailer()
471 		rc = ocfs2_error(dir->i_sb,  in ocfs2_check_dir_trailer()
478 	    OCFS2_I(dir)->ip_blkno) {  in ocfs2_check_dir_trailer()
479 		rc = ocfs2_error(dir->i_sb,  in ocfs2_check_dir_trailer()
482 				 (unsigned long long)OCFS2_I(dir)->ip_blkno,  in ocfs2_check_dir_trailer()
533 static int ocfs2_read_dir_block_direct(struct inode *dir, u64 phys,  in ocfs2_read_dir_block_direct()  argument
539 	ret = ocfs2_read_block(INODE_CACHE(dir), phys, &tmp,  in ocfs2_read_dir_block_direct()
546 	if (ocfs2_supports_dir_trailer(dir)) {  in ocfs2_read_dir_block_direct()
547 		ret = ocfs2_check_dir_trailer(dir, tmp);  in ocfs2_read_dir_block_direct()
590 static int ocfs2_read_dx_root(struct inode *dir, struct ocfs2_dinode *di,  in ocfs2_read_dx_root()  argument
597 	ret = ocfs2_read_block(INODE_CACHE(dir), blkno, &tmp,  in ocfs2_read_dx_root()
631 static int ocfs2_read_dx_leaf(struct inode *dir, u64 blkno,  in ocfs2_read_dx_leaf()  argument
637 	ret = ocfs2_read_block(INODE_CACHE(dir), blkno, &tmp,  in ocfs2_read_dx_leaf()
651 static int ocfs2_read_dx_leaves(struct inode *dir, u64 start, int num,  in ocfs2_read_dx_leaves()  argument
656 	ret = ocfs2_read_blocks(INODE_CACHE(dir), start, num, dx_leaf_bhs, 0,  in ocfs2_read_dx_leaves()
665 					       struct inode *dir,  in ocfs2_find_entry_el()  argument
679 	sb = dir->i_sb;  in ocfs2_find_entry_el()
681 	nblocks = i_size_read(dir) >> sb->s_blocksize_bits;  in ocfs2_find_entry_el()
682 	start = OCFS2_I(dir)->ip_dir_start_lookup;  in ocfs2_find_entry_el()
709 				ocfs2_read_dir_block(dir, b++, &bh,  in ocfs2_find_entry_el()
716 		if (ocfs2_read_dir_block(dir, block, &bh, 0)) {  in ocfs2_find_entry_el()
721 				    (unsigned long long)OCFS2_I(dir)->ip_blkno,  in ocfs2_find_entry_el()
725 		i = ocfs2_search_dirblock(bh, dir, name, namelen,  in ocfs2_find_entry_el()
730 			OCFS2_I(dir)->ip_dir_start_lookup = block;  in ocfs2_find_entry_el()
748 	nblocks = i_size_read(dir) >> sb->s_blocksize_bits;  in ocfs2_find_entry_el()
890 			       struct inode *dir,  in ocfs2_dx_dir_search()  argument
905 	ocfs2_dx_dir_name_hash(dir, name, namelen, &res->dl_hinfo);  in ocfs2_dx_dir_search()
914 	ret = ocfs2_dx_dir_lookup(dir, dr_el, hinfo, NULL, &phys);  in ocfs2_dx_dir_search()
920 	trace_ocfs2_dx_dir_search((unsigned long long)OCFS2_I(dir)->ip_blkno,  in ocfs2_dx_dir_search()
924 	ret = ocfs2_read_dx_leaf(dir, phys, &dx_leaf_bh);  in ocfs2_dx_dir_search()
954 		ret = ocfs2_read_dir_block_direct(dir,  in ocfs2_dx_dir_search()
967 		found = ocfs2_search_dirblock(dir_ent_bh, dir, name, namelen,  in ocfs2_dx_dir_search()
969 					      dir->i_sb->s_blocksize, &dir_ent);  in ocfs2_dx_dir_search()
1004 			       struct inode *dir,  in ocfs2_find_entry_dx()  argument
1013 	ret = ocfs2_read_inode_block(dir, &di_bh);  in ocfs2_find_entry_dx()
1021 	ret = ocfs2_read_dx_root(dir, di, &dx_root_bh);  in ocfs2_find_entry_dx()
1028 	ret = ocfs2_dx_dir_search(name, namelen, dir, dx_root, lookup);  in ocfs2_find_entry_dx()
1058 		     struct inode *dir, struct ocfs2_dir_lookup_result *lookup)  in ocfs2_find_entry()  argument
1063 	if (ocfs2_dir_indexed(dir))  in ocfs2_find_entry()
1064 		return ocfs2_find_entry_dx(name, namelen, dir, lookup);  in ocfs2_find_entry()
1071 	if (OCFS2_I(dir)->ip_dyn_features & OCFS2_INLINE_DATA_FL)  in ocfs2_find_entry()
1072 		bh = ocfs2_find_entry_id(name, namelen, dir, &res_dir);  in ocfs2_find_entry()
1074 		bh = ocfs2_find_entry_el(name, namelen, dir, &res_dir);  in ocfs2_find_entry()
1087 int ocfs2_update_entry(struct inode *dir, handle_t *handle,  in ocfs2_update_entry()  argument
1102 	if (OCFS2_I(dir)->ip_dyn_features & OCFS2_INLINE_DATA_FL)  in ocfs2_update_entry()
1105 	ret = access(handle, INODE_CACHE(dir), de_bh,  in ocfs2_update_entry()
1125 static int __ocfs2_delete_entry(handle_t *handle, struct inode *dir,  in __ocfs2_delete_entry()  argument
1134 	if (OCFS2_I(dir)->ip_dyn_features & OCFS2_INLINE_DATA_FL)  in __ocfs2_delete_entry()
1141 		if (!ocfs2_check_dir_entry(dir, de, bh, i)) {  in __ocfs2_delete_entry()
1147 			status = access(handle, INODE_CACHE(dir), bh,  in __ocfs2_delete_entry()
1158 			inode_inc_iversion(dir);  in __ocfs2_delete_entry()
1229 static int ocfs2_delete_entry_dx(handle_t *handle, struct inode *dir,  in ocfs2_delete_entry_dx()  argument
1270 		     (unsigned long long)OCFS2_I(dir)->ip_blkno, index,  in ocfs2_delete_entry_dx()
1280 	trailer = ocfs2_trailer_from_bh(leaf_bh, dir->i_sb);  in ocfs2_delete_entry_dx()
1295 	ret = ocfs2_journal_access_dr(handle, INODE_CACHE(dir), dx_root_bh,  in ocfs2_delete_entry_dx()
1303 		ret = ocfs2_journal_access_dl(handle, INODE_CACHE(dir),  in ocfs2_delete_entry_dx()
1312 	trace_ocfs2_delete_entry_dx((unsigned long long)OCFS2_I(dir)->ip_blkno,  in ocfs2_delete_entry_dx()
1315 	ret = __ocfs2_delete_entry(handle, dir, lookup->dl_entry,  in ocfs2_delete_entry_dx()
1322 	max_rec_len = ocfs2_find_max_rec_len(dir->i_sb, leaf_bh);  in ocfs2_delete_entry_dx()
1346 					struct inode *dir,  in ocfs2_delete_entry_id()  argument
1355 	ret = ocfs2_read_inode_block(dir, &di_bh);  in ocfs2_delete_entry_id()
1364 	ret = __ocfs2_delete_entry(handle, dir, de_del, bh, data->id_data,  in ocfs2_delete_entry_id()
1365 				   i_size_read(dir));  in ocfs2_delete_entry_id()
1373 					struct inode *dir,  in ocfs2_delete_entry_el()  argument
1377 	return __ocfs2_delete_entry(handle, dir, de_del, bh, bh->b_data,  in ocfs2_delete_entry_el()
1386 		       struct inode *dir,  in ocfs2_delete_entry()  argument
1389 	if (ocfs2_dir_indexed(dir))  in ocfs2_delete_entry()
1390 		return ocfs2_delete_entry_dx(handle, dir, res);  in ocfs2_delete_entry()
1392 	if (OCFS2_I(dir)->ip_dyn_features & OCFS2_INLINE_DATA_FL)  in ocfs2_delete_entry()
1393 		return ocfs2_delete_entry_id(handle, dir, res->dl_entry,  in ocfs2_delete_entry()
1396 	return ocfs2_delete_entry_el(handle, dir, res->dl_entry,  in ocfs2_delete_entry()
1454 static int __ocfs2_dx_dir_leaf_insert(struct inode *dir, handle_t *handle,  in __ocfs2_dx_dir_leaf_insert()  argument
1462 	ret = ocfs2_journal_access_dl(handle, INODE_CACHE(dir), dx_leaf_bh,  in __ocfs2_dx_dir_leaf_insert()
1477 static void ocfs2_dx_inline_root_insert(struct inode *dir, handle_t *handle,  in ocfs2_dx_inline_root_insert()  argument
1485 static int ocfs2_dx_dir_insert(struct inode *dir, handle_t *handle,  in ocfs2_dx_dir_insert()  argument
1492 	ret = ocfs2_journal_access_dr(handle, INODE_CACHE(dir), dx_root_bh,  in ocfs2_dx_dir_insert()
1501 		ocfs2_dx_inline_root_insert(dir, handle,  in ocfs2_dx_dir_insert()
1506 		ret = __ocfs2_dx_dir_leaf_insert(dir, handle, &lookup->dl_hinfo,  in ocfs2_dx_dir_insert()
1520 static void ocfs2_remove_block_from_free_list(struct inode *dir,  in ocfs2_remove_block_from_free_list()  argument
1528 	trailer = ocfs2_trailer_from_bh(lookup->dl_leaf_bh, dir->i_sb);  in ocfs2_remove_block_from_free_list()
1536 		prev = ocfs2_trailer_from_bh(bh, dir->i_sb);  in ocfs2_remove_block_from_free_list()
1551 static void ocfs2_recalc_free_list(struct inode *dir, handle_t *handle,  in ocfs2_recalc_free_list()  argument
1558 	max_rec_len = ocfs2_find_max_rec_len(dir->i_sb, lookup->dl_leaf_bh);  in ocfs2_recalc_free_list()
1565 		trailer = ocfs2_trailer_from_bh(lookup->dl_leaf_bh, dir->i_sb);  in ocfs2_recalc_free_list()
1569 		ocfs2_remove_block_from_free_list(dir, handle, lookup);  in ocfs2_recalc_free_list()
1580 		      struct inode *dir,  in __ocfs2_add_entry()  argument
1590 	struct super_block *sb = dir->i_sb;  in __ocfs2_add_entry()
1599 	if (ocfs2_dir_indexed(dir)) {  in __ocfs2_add_entry()
1613 						 INODE_CACHE(dir), bh,  in __ocfs2_add_entry()
1618 						 INODE_CACHE(dir), bh,  in __ocfs2_add_entry()
1625 	} else if (OCFS2_I(dir)->ip_dyn_features & OCFS2_INLINE_DATA_FL) {  in __ocfs2_add_entry()
1627 		size = i_size_read(dir);  in __ocfs2_add_entry()
1641 		if (!ocfs2_check_dir_entry(dir, de, insert_bh, offset)) {  in __ocfs2_add_entry()
1652 		mlog_bug_on_msg(ocfs2_skip_dir_trailer(dir, de, offset, size),  in __ocfs2_add_entry()
1658 				offset, ocfs2_dir_trailer_blk_off(dir->i_sb));  in __ocfs2_add_entry()
1661 			dir->i_mtime = dir->i_ctime = current_time(dir);  in __ocfs2_add_entry()
1662 			retval = ocfs2_mark_inode_dirty(handle, dir, parent_fe_bh);  in __ocfs2_add_entry()
1670 								 INODE_CACHE(dir),  in __ocfs2_add_entry()
1675 								 INODE_CACHE(dir),  in __ocfs2_add_entry()
1679 				if (!retval && ocfs2_dir_indexed(dir))  in __ocfs2_add_entry()
1680 					retval = ocfs2_dx_dir_insert(dir,  in __ocfs2_add_entry()
1710 			if (ocfs2_dir_indexed(dir))  in __ocfs2_add_entry()
1711 				ocfs2_recalc_free_list(dir, handle, lookup);  in __ocfs2_add_entry()
1713 			inode_inc_iversion(dir);  in __ocfs2_add_entry()
1989 int ocfs2_lookup_ino_from_name(struct inode *dir, const char *name,  in ocfs2_lookup_ino_from_name()  argument
1995 	ret = ocfs2_find_files_on_disk(name, namelen, blkno, dir, &lookup);  in ocfs2_lookup_ino_from_name()
2008 int ocfs2_check_dir_for_entry(struct inode *dir,  in ocfs2_check_dir_for_entry()  argument
2016 		(unsigned long long)OCFS2_I(dir)->ip_blkno, namelen, name);  in ocfs2_check_dir_for_entry()
2018 	if (ocfs2_find_entry(name, namelen, dir, &lookup) == 0) {  in ocfs2_check_dir_for_entry()
2283 				     handle_t *handle, struct inode *dir,  in ocfs2_dx_dir_attach_index()  argument
2298 		ocfs2_trailer_from_bh(dirdata_bh, dir->i_sb);  in ocfs2_dx_dir_attach_index()
2308 				(unsigned long long)OCFS2_I(dir)->ip_blkno,  in ocfs2_dx_dir_attach_index()
2316 	ocfs2_set_new_buffer_uptodate(INODE_CACHE(dir), dx_root_bh);  in ocfs2_dx_dir_attach_index()
2318 	ret = ocfs2_journal_access_dr(handle, INODE_CACHE(dir), dx_root_bh,  in ocfs2_dx_dir_attach_index()
2333 	dx_root->dr_dir_blkno = cpu_to_le64(OCFS2_I(dir)->ip_blkno);  in ocfs2_dx_dir_attach_index()
2350 	ret = ocfs2_journal_access_di(handle, INODE_CACHE(dir), di_bh,  in ocfs2_dx_dir_attach_index()
2359 	spin_lock(&OCFS2_I(dir)->ip_lock);  in ocfs2_dx_dir_attach_index()
2360 	OCFS2_I(dir)->ip_dyn_features |= OCFS2_INDEXED_DIR_FL;  in ocfs2_dx_dir_attach_index()
2361 	di->i_dyn_features = cpu_to_le16(OCFS2_I(dir)->ip_dyn_features);  in ocfs2_dx_dir_attach_index()
2362 	spin_unlock(&OCFS2_I(dir)->ip_lock);  in ocfs2_dx_dir_attach_index()
2375 				       handle_t *handle, struct inode *dir,  in ocfs2_dx_dir_format_cluster()  argument
2391 		ocfs2_set_new_buffer_uptodate(INODE_CACHE(dir), bh);  in ocfs2_dx_dir_format_cluster()
2393 		ret = ocfs2_journal_access_dl(handle, INODE_CACHE(dir), bh,  in ocfs2_dx_dir_format_cluster()
2410 				(unsigned long long)OCFS2_I(dir)->ip_blkno,  in ocfs2_dx_dir_format_cluster()
2427 static int __ocfs2_dx_dir_new_cluster(struct inode *dir,  in __ocfs2_dx_dir_new_cluster()  argument
2436 	struct ocfs2_super *osb = OCFS2_SB(dir->i_sb);  in __ocfs2_dx_dir_new_cluster()
2455 	ret = ocfs2_dx_dir_format_cluster(osb, handle, dir, dx_leaves,  in __ocfs2_dx_dir_new_cluster()
2467 static int ocfs2_dx_dir_new_cluster(struct inode *dir,  in ocfs2_dx_dir_new_cluster()  argument
2478 	ret = __ocfs2_dx_dir_new_cluster(dir, cpos, handle, data_ac, dx_leaves,  in ocfs2_dx_dir_new_cluster()
2584 static int ocfs2_dx_dir_index_block(struct inode *dir,  in ocfs2_dx_dir_index_block()  argument
2599 	limit = de_buf + dir->i_sb->s_blocksize;  in ocfs2_dx_dir_index_block()
2608 		ocfs2_dx_dir_name_hash(dir, de->name, namelen, &hinfo);  in ocfs2_dx_dir_index_block()
2610 		i = ocfs2_dx_dir_hash_idx(OCFS2_SB(dir->i_sb), &hinfo);  in ocfs2_dx_dir_index_block()
2613 		ret = __ocfs2_dx_dir_leaf_insert(dir, handle, &hinfo,  in ocfs2_dx_dir_index_block()
2633 static void ocfs2_dx_dir_index_root_block(struct inode *dir,  in ocfs2_dx_dir_index_root_block()  argument
2646 	limit = de_buf + dir->i_sb->s_blocksize;  in ocfs2_dx_dir_index_root_block()
2654 		ocfs2_dx_dir_name_hash(dir, de->name, de->name_len, &hinfo);  in ocfs2_dx_dir_index_root_block()
2657 				(unsigned long long)dir->i_ino,  in ocfs2_dx_dir_index_root_block()
2676 static int ocfs2_new_dx_should_be_inline(struct inode *dir,  in ocfs2_new_dx_should_be_inline()  argument
2685 	limit = de_buf + i_size_read(dir);  in ocfs2_new_dx_should_be_inline()
2697 	return dirent_count < ocfs2_dx_entries_per_root(dir->i_sb);  in ocfs2_new_dx_should_be_inline()
2715 					     struct inode *dir)  in ocfs2_expand_last_dirent()  argument
2717 	struct super_block *sb = dir->i_sb;  in ocfs2_expand_last_dirent()
2725 	if (ocfs2_new_dir_wants_trailer(dir))  in ocfs2_expand_last_dirent()
2764 static int ocfs2_expand_inline_dir(struct inode *dir, struct buffer_head *di_bh,  in ocfs2_expand_inline_dir()  argument
2770 	struct super_block *sb = dir->i_sb;  in ocfs2_expand_inline_dir()
2775 	struct ocfs2_super *osb = OCFS2_SB(dir->i_sb);  in ocfs2_expand_inline_dir()
2776 	struct ocfs2_inode_info *oi = OCFS2_I(dir);  in ocfs2_expand_inline_dir()
2788 	ocfs2_init_dinode_extent_tree(&et, INODE_CACHE(dir), di_bh);  in ocfs2_expand_inline_dir()
2798 		dx_inline = ocfs2_new_dx_should_be_inline(dir, di_bh);  in ocfs2_expand_inline_dir()
2849 	ret = dquot_alloc_space_nodirty(dir,  in ocfs2_expand_inline_dir()
2861 		ret = __ocfs2_dx_dir_new_cluster(dir, 0, handle, data_ac,  in ocfs2_expand_inline_dir()
2868 		bytes_allocated += ocfs2_clusters_to_bytes(dir->i_sb, 1);  in ocfs2_expand_inline_dir()
2883 	bytes_allocated += ocfs2_clusters_to_bytes(dir->i_sb, 1);  in ocfs2_expand_inline_dir()
2890 	blkno = ocfs2_clusters_to_blocks(dir->i_sb, bit_off);  in ocfs2_expand_inline_dir()
2898 	ocfs2_set_new_buffer_uptodate(INODE_CACHE(dir), dirdata_bh);  in ocfs2_expand_inline_dir()
2900 	ret = ocfs2_journal_access_db(handle, INODE_CACHE(dir), dirdata_bh,  in ocfs2_expand_inline_dir()
2907 	memcpy(dirdata_bh->b_data, di->id2.i_data.id_data, i_size_read(dir));  in ocfs2_expand_inline_dir()
2908 	memset(dirdata_bh->b_data + i_size_read(dir), 0,  in ocfs2_expand_inline_dir()
2909 	       sb->s_blocksize - i_size_read(dir));  in ocfs2_expand_inline_dir()
2910 	i = ocfs2_expand_last_dirent(dirdata_bh->b_data, i_size_read(dir), dir);  in ocfs2_expand_inline_dir()
2911 	if (ocfs2_new_dir_wants_trailer(dir)) {  in ocfs2_expand_inline_dir()
2918 		ocfs2_init_dir_trailer(dir, dirdata_bh, i);  in ocfs2_expand_inline_dir()
2921 	ocfs2_update_inode_fsync_trans(handle, dir, 1);  in ocfs2_expand_inline_dir()
2933 		ret = ocfs2_dx_dir_index_block(dir, handle, dx_leaves,  in ocfs2_expand_inline_dir()
2950 	ret = ocfs2_journal_access_di(handle, INODE_CACHE(dir), di_bh,  in ocfs2_expand_inline_dir()
2962 	ocfs2_dinode_new_extent_list(dir, di);  in ocfs2_expand_inline_dir()
2964 	i_size_write(dir, sb->s_blocksize);  in ocfs2_expand_inline_dir()
2965 	dir->i_mtime = dir->i_ctime = current_time(dir);  in ocfs2_expand_inline_dir()
2968 	di->i_ctime = di->i_mtime = cpu_to_le64(dir->i_ctime.tv_sec);  in ocfs2_expand_inline_dir()
2969 	di->i_ctime_nsec = di->i_mtime_nsec = cpu_to_le32(dir->i_ctime.tv_nsec);  in ocfs2_expand_inline_dir()
2970 	ocfs2_update_inode_fsync_trans(handle, dir, 1);  in ocfs2_expand_inline_dir()
2987 	dir->i_blocks = ocfs2_inode_sector_count(dir);  in ocfs2_expand_inline_dir()
2992 		ret = ocfs2_dx_dir_attach_index(osb, handle, dir, di_bh,  in ocfs2_expand_inline_dir()
3001 			ocfs2_dx_dir_index_root_block(dir, dx_root_bh,  in ocfs2_expand_inline_dir()
3005 						       INODE_CACHE(dir),  in ocfs2_expand_inline_dir()
3025 		blkno = ocfs2_clusters_to_blocks(dir->i_sb, bit_off);  in ocfs2_expand_inline_dir()
3033 		bytes_allocated += ocfs2_clusters_to_bytes(dir->i_sb, 1);  in ocfs2_expand_inline_dir()
3057 		dquot_free_space_nodirty(dir, bytes_allocated);  in ocfs2_expand_inline_dir()
3083 			       struct inode *dir,  in ocfs2_do_extend_dir()  argument
3093 	spin_lock(&OCFS2_I(dir)->ip_lock);  in ocfs2_do_extend_dir()
3094 	extend = (i_size_read(dir) == ocfs2_clusters_to_bytes(sb, OCFS2_I(dir)->ip_clusters));  in ocfs2_do_extend_dir()
3095 	spin_unlock(&OCFS2_I(dir)->ip_lock);  in ocfs2_do_extend_dir()
3098 		u32 offset = OCFS2_I(dir)->ip_clusters;  in ocfs2_do_extend_dir()
3100 		status = dquot_alloc_space_nodirty(dir,  in ocfs2_do_extend_dir()
3106 		status = ocfs2_add_inode_data(OCFS2_SB(sb), dir, &offset,  in ocfs2_do_extend_dir()
3116 	v_blkno = ocfs2_blocks_for_bytes(sb, i_size_read(dir));  in ocfs2_do_extend_dir()
3117 	status = ocfs2_extent_map_get_blocks(dir, v_blkno, &p_blkno, NULL, NULL);  in ocfs2_do_extend_dir()
3132 		dquot_free_space_nodirty(dir, ocfs2_clusters_to_bytes(sb, 1));  in ocfs2_do_extend_dir()
3147 			    struct inode *dir,  in ocfs2_extend_dir()  argument
3167 	if (OCFS2_I(dir)->ip_dyn_features & OCFS2_INLINE_DATA_FL) {  in ocfs2_extend_dir()
3174 		status = ocfs2_expand_inline_dir(dir, parent_fe_bh,  in ocfs2_extend_dir()
3205 		down_write(&OCFS2_I(dir)->ip_alloc_sem);  in ocfs2_extend_dir()
3207 		dir_i_size = i_size_read(dir);  in ocfs2_extend_dir()
3212 	down_write(&OCFS2_I(dir)->ip_alloc_sem);  in ocfs2_extend_dir()
3214 	dir_i_size = i_size_read(dir);  in ocfs2_extend_dir()
3215 	trace_ocfs2_extend_dir((unsigned long long)OCFS2_I(dir)->ip_blkno,  in ocfs2_extend_dir()
3219 	spin_lock(&OCFS2_I(dir)->ip_lock);  in ocfs2_extend_dir()
3220 	if (dir_i_size == ocfs2_clusters_to_bytes(sb, OCFS2_I(dir)->ip_clusters)) {  in ocfs2_extend_dir()
3221 		spin_unlock(&OCFS2_I(dir)->ip_lock);  in ocfs2_extend_dir()
3222 		ocfs2_init_dinode_extent_tree(&et, INODE_CACHE(dir),  in ocfs2_extend_dir()
3248 			data_ac->ac_resv = &OCFS2_I(dir)->ip_la_data_resv;  in ocfs2_extend_dir()
3252 		spin_unlock(&OCFS2_I(dir)->ip_lock);  in ocfs2_extend_dir()
3257 	if (ocfs2_dir_indexed(dir))  in ocfs2_extend_dir()
3269 	status = ocfs2_do_extend_dir(osb->sb, handle, dir, parent_fe_bh,  in ocfs2_extend_dir()
3276 	ocfs2_set_new_buffer_uptodate(INODE_CACHE(dir), new_bh);  in ocfs2_extend_dir()
3278 	status = ocfs2_journal_access_db(handle, INODE_CACHE(dir), new_bh,  in ocfs2_extend_dir()
3288 	if (ocfs2_supports_dir_trailer(dir)) {  in ocfs2_extend_dir()
3291 		ocfs2_init_dir_trailer(dir, new_bh, le16_to_cpu(de->rec_len));  in ocfs2_extend_dir()
3293 		if (ocfs2_dir_indexed(dir)) {  in ocfs2_extend_dir()
3294 			status = ocfs2_dx_dir_link_trailer(dir, handle,  in ocfs2_extend_dir()
3304 	ocfs2_update_inode_fsync_trans(handle, dir, 1);  in ocfs2_extend_dir()
3307 	dir_i_size += dir->i_sb->s_blocksize;  in ocfs2_extend_dir()
3308 	i_size_write(dir, dir_i_size);  in ocfs2_extend_dir()
3309 	dir->i_blocks = ocfs2_inode_sector_count(dir);  in ocfs2_extend_dir()
3310 	status = ocfs2_mark_inode_dirty(handle, dir, parent_fe_bh);  in ocfs2_extend_dir()
3323 		up_write(&OCFS2_I(dir)->ip_alloc_sem);  in ocfs2_extend_dir()
3335 static int ocfs2_find_dir_space_id(struct inode *dir, struct buffer_head *di_bh,  in ocfs2_find_dir_space_id()  argument
3341 	struct super_block *sb = dir->i_sb;  in ocfs2_find_dir_space_id()
3352 	if (ocfs2_new_dir_wants_trailer(dir))  in ocfs2_find_dir_space_id()
3353 		free_space = ocfs2_dir_trailer_blk_off(sb) - i_size_read(dir);  in ocfs2_find_dir_space_id()
3355 		free_space = dir->i_sb->s_blocksize - i_size_read(dir);  in ocfs2_find_dir_space_id()
3358 	limit = de_buf + i_size_read(dir);  in ocfs2_find_dir_space_id()
3364 		if (!ocfs2_check_dir_entry(dir, de, di_bh, offset)) {  in ocfs2_find_dir_space_id()
3406 static int ocfs2_find_dir_space_el(struct inode *dir, const char *name,  in ocfs2_find_dir_space_el()  argument
3413 	struct super_block *sb = dir->i_sb;  in ocfs2_find_dir_space_el()
3415 	int blocksize = dir->i_sb->s_blocksize;  in ocfs2_find_dir_space_el()
3417 	status = ocfs2_read_dir_block(dir, 0, &bh, 0);  in ocfs2_find_dir_space_el()
3429 			if (i_size_read(dir) <= offset) {  in ocfs2_find_dir_space_el()
3437 			status = ocfs2_read_dir_block(dir,  in ocfs2_find_dir_space_el()
3446 		if (!ocfs2_check_dir_entry(dir, de, bh, offset)) {  in ocfs2_find_dir_space_el()
3455 		if (ocfs2_skip_dir_trailer(dir, de, offset % blocksize,  in ocfs2_find_dir_space_el()
3627 static void ocfs2_dx_dir_transfer_leaf(struct inode *dir, u32 split_hash,  in ocfs2_dx_dir_transfer_leaf()  argument
3649 		memcpy(tmp_dx_leaf, orig_dx_leaf, dir->i_sb->s_blocksize);  in ocfs2_dx_dir_transfer_leaf()
3663 		memcpy(orig_dx_leaf, tmp_dx_leaf, dir->i_sb->s_blocksize);  in ocfs2_dx_dir_transfer_leaf()
3684 static int ocfs2_dx_dir_rebalance(struct ocfs2_super *osb, struct inode *dir,  in ocfs2_dx_dir_rebalance()  argument
3703 	trace_ocfs2_dx_dir_rebalance((unsigned long long)OCFS2_I(dir)->ip_blkno,  in ocfs2_dx_dir_rebalance()
3707 	ocfs2_init_dx_root_extent_tree(&et, INODE_CACHE(dir), dx_root_bh);  in ocfs2_dx_dir_rebalance()
3720 		     "%llu, %d\n", (unsigned long long)OCFS2_I(dir)->ip_blkno,  in ocfs2_dx_dir_rebalance()
3740 	ret = ocfs2_lock_allocators(dir, &et, 1, 0, &data_ac, &meta_ac);  in ocfs2_dx_dir_rebalance()
3756 	ret = dquot_alloc_space_nodirty(dir,  in ocfs2_dx_dir_rebalance()
3757 				       ocfs2_clusters_to_bytes(dir->i_sb, 1));  in ocfs2_dx_dir_rebalance()
3762 	ret = ocfs2_journal_access_dl(handle, INODE_CACHE(dir), dx_leaf_bh,  in ocfs2_dx_dir_rebalance()
3812 	orig_leaves_start = ocfs2_block_to_cluster_start(dir->i_sb, leaf_blkno);  in ocfs2_dx_dir_rebalance()
3813 	ret = ocfs2_read_dx_leaves(dir, orig_leaves_start, num_dx_leaves,  in ocfs2_dx_dir_rebalance()
3821 	ret = ocfs2_dx_dir_new_cluster(dir, &et, cpos, handle,  in ocfs2_dx_dir_rebalance()
3830 		ret = ocfs2_journal_access_dl(handle, INODE_CACHE(dir),  in ocfs2_dx_dir_rebalance()
3838 		ret = ocfs2_journal_access_dl(handle, INODE_CACHE(dir),  in ocfs2_dx_dir_rebalance()
3847 	ocfs2_dx_dir_transfer_leaf(dir, split_hash, handle, tmp_dx_leaf,  in ocfs2_dx_dir_rebalance()
3852 		dquot_free_space_nodirty(dir,  in ocfs2_dx_dir_rebalance()
3853 				ocfs2_clusters_to_bytes(dir->i_sb, 1));  in ocfs2_dx_dir_rebalance()
3855 	ocfs2_update_inode_fsync_trans(handle, dir, 1);  in ocfs2_dx_dir_rebalance()
3879 static int ocfs2_find_dir_space_dx(struct ocfs2_super *osb, struct inode *dir,  in ocfs2_find_dir_space_dx()  argument
3895 	ret = ocfs2_dx_dir_lookup(dir, &dx_root->dr_list, &lookup->dl_hinfo,  in ocfs2_find_dir_space_dx()
3902 	ret = ocfs2_read_dx_leaf(dir, blkno, &dx_leaf_bh);  in ocfs2_find_dir_space_dx()
3924 		ret = ocfs2_dx_dir_rebalance(osb, dir, dx_root_bh, dx_leaf_bh,  in ocfs2_find_dir_space_dx()
3952 static int ocfs2_search_dx_free_list(struct inode *dir,  in ocfs2_search_dx_free_list()  argument
3972 		ret = ocfs2_read_dir_block_direct(dir, next_block, &leaf_bh);  in ocfs2_search_dx_free_list()
3978 		db = ocfs2_trailer_from_bh(leaf_bh, dir->i_sb);  in ocfs2_search_dx_free_list()
4000 static int ocfs2_expand_inline_dx_root(struct inode *dir,  in ocfs2_expand_inline_dx_root()  argument
4008 	struct ocfs2_super *osb = OCFS2_SB(dir->i_sb);  in ocfs2_expand_inline_dx_root()
4035 	ret = dquot_alloc_space_nodirty(dir,  in ocfs2_expand_inline_dx_root()
4046 	ret = ocfs2_journal_access_dr(handle, INODE_CACHE(dir), dx_root_bh,  in ocfs2_expand_inline_dx_root()
4053 	ret = __ocfs2_dx_dir_new_cluster(dir, 0, handle, data_ac, dx_leaves,  in ocfs2_expand_inline_dx_root()
4088 	ocfs2_init_dx_root_extent_tree(&et, INODE_CACHE(dir), dx_root_bh);  in ocfs2_expand_inline_dx_root()
4094 	ocfs2_update_inode_fsync_trans(handle, dir, 1);  in ocfs2_expand_inline_dx_root()
4099 		dquot_free_space_nodirty(dir,  in ocfs2_expand_inline_dx_root()
4100 					  ocfs2_clusters_to_bytes(dir->i_sb, 1));  in ocfs2_expand_inline_dx_root()
4131 static int ocfs2_prepare_dx_dir_for_insert(struct inode *dir,  in ocfs2_prepare_dx_dir_for_insert()  argument
4138 	struct ocfs2_super *osb = OCFS2_SB(dir->i_sb);  in ocfs2_prepare_dx_dir_for_insert()
4144 	ret = ocfs2_read_dx_root(dir, di, &dx_root_bh);  in ocfs2_prepare_dx_dir_for_insert()
4168 		ret = ocfs2_expand_inline_dx_root(dir, dx_root_bh);  in ocfs2_prepare_dx_dir_for_insert()
4181 	ret = ocfs2_find_dir_space_dx(osb, dir, di_bh, dx_root_bh, name,  in ocfs2_prepare_dx_dir_for_insert()
4195 	ret = ocfs2_search_dx_free_list(dir, dx_root_bh, namelen, lookup);  in ocfs2_prepare_dx_dir_for_insert()
4206 		ret = ocfs2_extend_dir(osb, dir, di_bh, 1, lookup, &leaf_bh);  in ocfs2_prepare_dx_dir_for_insert()
4234 				 struct inode *dir,  in ocfs2_prepare_dir_for_insert()  argument
4245 		(unsigned long long)OCFS2_I(dir)->ip_blkno, namelen);  in ocfs2_prepare_dir_for_insert()
4265 		ocfs2_dx_dir_name_hash(dir, name, namelen, &lookup->dl_hinfo);  in ocfs2_prepare_dir_for_insert()
4267 	if (ocfs2_dir_indexed(dir)) {  in ocfs2_prepare_dir_for_insert()
4268 		ret = ocfs2_prepare_dx_dir_for_insert(dir, parent_fe_bh,  in ocfs2_prepare_dir_for_insert()
4275 	if (OCFS2_I(dir)->ip_dyn_features & OCFS2_INLINE_DATA_FL) {  in ocfs2_prepare_dir_for_insert()
4276 		ret = ocfs2_find_dir_space_id(dir, parent_fe_bh, name,  in ocfs2_prepare_dir_for_insert()
4279 		ret = ocfs2_find_dir_space_el(dir, name, namelen, &bh);  in ocfs2_prepare_dir_for_insert()
4292 		ret = ocfs2_extend_dir(osb, dir, parent_fe_bh, blocks_wanted,  in ocfs2_prepare_dir_for_insert()
4310 static int ocfs2_dx_dir_remove_index(struct inode *dir,  in ocfs2_dx_dir_remove_index()  argument
4315 	struct ocfs2_super *osb = OCFS2_SB(dir->i_sb);  in ocfs2_dx_dir_remove_index()
4350 	ret = ocfs2_journal_access_di(handle, INODE_CACHE(dir), di_bh,  in ocfs2_dx_dir_remove_index()
4357 	spin_lock(&OCFS2_I(dir)->ip_lock);  in ocfs2_dx_dir_remove_index()
4358 	OCFS2_I(dir)->ip_dyn_features &= ~OCFS2_INDEXED_DIR_FL;  in ocfs2_dx_dir_remove_index()
4359 	di->i_dyn_features = cpu_to_le16(OCFS2_I(dir)->ip_dyn_features);  in ocfs2_dx_dir_remove_index()
4360 	spin_unlock(&OCFS2_I(dir)->ip_lock);  in ocfs2_dx_dir_remove_index()
4362 	ocfs2_update_inode_fsync_trans(handle, dir, 1);  in ocfs2_dx_dir_remove_index()
4391 int ocfs2_dx_dir_truncate(struct inode *dir, struct buffer_head *di_bh)  in ocfs2_dx_dir_truncate()  argument
4397 	struct ocfs2_super *osb = OCFS2_SB(dir->i_sb);  in ocfs2_dx_dir_truncate()
4406 	if (!ocfs2_dir_indexed(dir))  in ocfs2_dx_dir_truncate()
4409 	ret = ocfs2_read_dx_root(dir, di, &dx_root_bh);  in ocfs2_dx_dir_truncate()
4419 	ocfs2_init_dx_root_extent_tree(&et, INODE_CACHE(dir), dx_root_bh);  in ocfs2_dx_dir_truncate()
4423 		ret = ocfs2_dx_dir_lookup_rec(dir, &dx_root->dr_list,  in ocfs2_dx_dir_truncate()
4430 		p_cpos = ocfs2_blocks_to_clusters(dir->i_sb, blkno);  in ocfs2_dx_dir_truncate()
4432 		ret = ocfs2_remove_btree_range(dir, &et, cpos, p_cpos, clen, 0,  in ocfs2_dx_dir_truncate()
4446 	ret = ocfs2_dx_dir_remove_index(dir, di_bh, dx_root_bh);  in ocfs2_dx_dir_truncate()
4452 	ocfs2_remove_from_cache(INODE_CACHE(dir), dx_root_bh);  in ocfs2_dx_dir_truncate()