77 			       struct inode *dir,
88 static int ocfs2_supports_dir_trailer(struct inode *dir)  in ocfs2_supports_dir_trailer()  argument
90 	struct ocfs2_super *osb = OCFS2_SB(dir->i_sb);  in ocfs2_supports_dir_trailer()
92 	if (OCFS2_I(dir)->ip_dyn_features & OCFS2_INLINE_DATA_FL)  in ocfs2_supports_dir_trailer()
95 	return ocfs2_meta_ecc(osb) || ocfs2_dir_indexed(dir);  in ocfs2_supports_dir_trailer()
106 static int ocfs2_new_dir_wants_trailer(struct inode *dir)  in ocfs2_new_dir_wants_trailer()  argument
108 	struct ocfs2_super *osb = OCFS2_SB(dir->i_sb);  in ocfs2_new_dir_wants_trailer()
136 static int ocfs2_skip_dir_trailer(struct inode *dir,  in ocfs2_skip_dir_trailer()  argument
143 	if (!ocfs2_supports_dir_trailer(dir))  in ocfs2_skip_dir_trailer()
170 static int ocfs2_dx_dir_link_trailer(struct inode *dir, handle_t *handle,  in ocfs2_dx_dir_link_trailer()  argument
178 	ret = ocfs2_journal_access_dr(handle, INODE_CACHE(dir), dx_root_bh,  in ocfs2_dx_dir_link_trailer()
184 	trailer = ocfs2_trailer_from_bh(dirdata_bh, dir->i_sb);  in ocfs2_dx_dir_link_trailer()
270 static void ocfs2_dx_dir_name_hash(struct inode *dir, const char *name, int len,  in ocfs2_dx_dir_name_hash()  argument
273 	struct ocfs2_super *osb = OCFS2_SB(dir->i_sb);  in ocfs2_dx_dir_name_hash()
316 static int ocfs2_check_dir_entry(struct inode * dir,  in ocfs2_check_dir_entry()  argument
331 		 ((char *) de - bh->b_data) + rlen > dir->i_sb->s_blocksize))  in ocfs2_check_dir_entry()
337 		     (unsigned long long)OCFS2_I(dir)->ip_blkno, error_msg,  in ocfs2_check_dir_entry()
359 					struct inode *dir,  in ocfs2_search_dirblock()  argument
383 			if (!ocfs2_check_dir_entry(dir, de, bh, offset)) {  in ocfs2_search_dirblock()
410 					       struct inode *dir,  in ocfs2_find_entry_id()  argument
418 	ret = ocfs2_read_inode_block(dir, &di_bh);  in ocfs2_find_entry_id()
427 	found = ocfs2_search_dirblock(di_bh, dir, name, namelen, 0,  in ocfs2_find_entry_id()
428 				      data->id_data, i_size_read(dir), res_dir);  in ocfs2_find_entry_id()
476 static int ocfs2_check_dir_trailer(struct inode *dir, struct buffer_head *bh)  in ocfs2_check_dir_trailer()  argument
481 	trailer = ocfs2_trailer_from_bh(bh, dir->i_sb);  in ocfs2_check_dir_trailer()
483 		rc = ocfs2_error(dir->i_sb,  in ocfs2_check_dir_trailer()
490 		rc = ocfs2_error(dir->i_sb,  in ocfs2_check_dir_trailer()
497 	    OCFS2_I(dir)->ip_blkno) {  in ocfs2_check_dir_trailer()
498 		rc = ocfs2_error(dir->i_sb,  in ocfs2_check_dir_trailer()
501 				 (unsigned long long)OCFS2_I(dir)->ip_blkno,  in ocfs2_check_dir_trailer()
552 static int ocfs2_read_dir_block_direct(struct inode *dir, u64 phys,  in ocfs2_read_dir_block_direct()  argument
558 	ret = ocfs2_read_block(INODE_CACHE(dir), phys, &tmp,  in ocfs2_read_dir_block_direct()
565 	if (ocfs2_supports_dir_trailer(dir)) {  in ocfs2_read_dir_block_direct()
566 		ret = ocfs2_check_dir_trailer(dir, tmp);  in ocfs2_read_dir_block_direct()
609 static int ocfs2_read_dx_root(struct inode *dir, struct ocfs2_dinode *di,  in ocfs2_read_dx_root()  argument
616 	ret = ocfs2_read_block(INODE_CACHE(dir), blkno, &tmp,  in ocfs2_read_dx_root()
650 static int ocfs2_read_dx_leaf(struct inode *dir, u64 blkno,  in ocfs2_read_dx_leaf()  argument
656 	ret = ocfs2_read_block(INODE_CACHE(dir), blkno, &tmp,  in ocfs2_read_dx_leaf()
670 static int ocfs2_read_dx_leaves(struct inode *dir, u64 start, int num,  in ocfs2_read_dx_leaves()  argument
675 	ret = ocfs2_read_blocks(INODE_CACHE(dir), start, num, dx_leaf_bhs, 0,  in ocfs2_read_dx_leaves()
684 					       struct inode *dir,  in ocfs2_find_entry_el()  argument
698 	sb = dir->i_sb;  in ocfs2_find_entry_el()
700 	nblocks = i_size_read(dir) >> sb->s_blocksize_bits;  in ocfs2_find_entry_el()
701 	start = OCFS2_I(dir)->ip_dir_start_lookup;  in ocfs2_find_entry_el()
728 				err = ocfs2_read_dir_block(dir, b++, &bh,  in ocfs2_find_entry_el()
735 		if (ocfs2_read_dir_block(dir, block, &bh, 0)) {  in ocfs2_find_entry_el()
740 				    (unsigned long long)OCFS2_I(dir)->ip_blkno,  in ocfs2_find_entry_el()
744 		i = ocfs2_search_dirblock(bh, dir, name, namelen,  in ocfs2_find_entry_el()
749 			OCFS2_I(dir)->ip_dir_start_lookup = block;  in ocfs2_find_entry_el()
767 	nblocks = i_size_read(dir) >> sb->s_blocksize_bits;  in ocfs2_find_entry_el()
909 			       struct inode *dir,  in ocfs2_dx_dir_search()  argument
924 	ocfs2_dx_dir_name_hash(dir, name, namelen, &res->dl_hinfo);  in ocfs2_dx_dir_search()
933 	ret = ocfs2_dx_dir_lookup(dir, dr_el, hinfo, NULL, &phys);  in ocfs2_dx_dir_search()
939 	trace_ocfs2_dx_dir_search((unsigned long long)OCFS2_I(dir)->ip_blkno,  in ocfs2_dx_dir_search()
943 	ret = ocfs2_read_dx_leaf(dir, phys, &dx_leaf_bh);  in ocfs2_dx_dir_search()
973 		ret = ocfs2_read_dir_block_direct(dir,  in ocfs2_dx_dir_search()
986 		found = ocfs2_search_dirblock(dir_ent_bh, dir, name, namelen,  in ocfs2_dx_dir_search()
988 					      dir->i_sb->s_blocksize, &dir_ent);  in ocfs2_dx_dir_search()
1023 			       struct inode *dir,  in ocfs2_find_entry_dx()  argument
1032 	ret = ocfs2_read_inode_block(dir, &di_bh);  in ocfs2_find_entry_dx()
1040 	ret = ocfs2_read_dx_root(dir, di, &dx_root_bh);  in ocfs2_find_entry_dx()
1047 	ret = ocfs2_dx_dir_search(name, namelen, dir, dx_root, lookup);  in ocfs2_find_entry_dx()
1077 		     struct inode *dir, struct ocfs2_dir_lookup_result *lookup)  in ocfs2_find_entry()  argument
1082 	if (ocfs2_dir_indexed(dir))  in ocfs2_find_entry()
1083 		return ocfs2_find_entry_dx(name, namelen, dir, lookup);  in ocfs2_find_entry()
1090 	if (OCFS2_I(dir)->ip_dyn_features & OCFS2_INLINE_DATA_FL)  in ocfs2_find_entry()
1091 		bh = ocfs2_find_entry_id(name, namelen, dir, &res_dir);  in ocfs2_find_entry()
1093 		bh = ocfs2_find_entry_el(name, namelen, dir, &res_dir);  in ocfs2_find_entry()
1106 int ocfs2_update_entry(struct inode *dir, handle_t *handle,  in ocfs2_update_entry()  argument
1121 	if (OCFS2_I(dir)->ip_dyn_features & OCFS2_INLINE_DATA_FL)  in ocfs2_update_entry()
1124 	ret = access(handle, INODE_CACHE(dir), de_bh,  in ocfs2_update_entry()
1144 static int __ocfs2_delete_entry(handle_t *handle, struct inode *dir,  in __ocfs2_delete_entry()  argument
1153 	if (OCFS2_I(dir)->ip_dyn_features & OCFS2_INLINE_DATA_FL)  in __ocfs2_delete_entry()
1160 		if (!ocfs2_check_dir_entry(dir, de, bh, i)) {  in __ocfs2_delete_entry()
1166 			status = access(handle, INODE_CACHE(dir), bh,  in __ocfs2_delete_entry()
1177 			dir->i_version++;  in __ocfs2_delete_entry()
1248 static int ocfs2_delete_entry_dx(handle_t *handle, struct inode *dir,  in ocfs2_delete_entry_dx()  argument
1289 		     (unsigned long long)OCFS2_I(dir)->ip_blkno, index,  in ocfs2_delete_entry_dx()
1299 	trailer = ocfs2_trailer_from_bh(leaf_bh, dir->i_sb);  in ocfs2_delete_entry_dx()
1314 	ret = ocfs2_journal_access_dr(handle, INODE_CACHE(dir), dx_root_bh,  in ocfs2_delete_entry_dx()
1322 		ret = ocfs2_journal_access_dl(handle, INODE_CACHE(dir),  in ocfs2_delete_entry_dx()
1331 	trace_ocfs2_delete_entry_dx((unsigned long long)OCFS2_I(dir)->ip_blkno,  in ocfs2_delete_entry_dx()
1334 	ret = __ocfs2_delete_entry(handle, dir, lookup->dl_entry,  in ocfs2_delete_entry_dx()
1341 	max_rec_len = ocfs2_find_max_rec_len(dir->i_sb, leaf_bh);  in ocfs2_delete_entry_dx()
1365 					struct inode *dir,  in ocfs2_delete_entry_id()  argument
1374 	ret = ocfs2_read_inode_block(dir, &di_bh);  in ocfs2_delete_entry_id()
1383 	ret = __ocfs2_delete_entry(handle, dir, de_del, bh, data->id_data,  in ocfs2_delete_entry_id()
1384 				   i_size_read(dir));  in ocfs2_delete_entry_id()
1392 					struct inode *dir,  in ocfs2_delete_entry_el()  argument
1396 	return __ocfs2_delete_entry(handle, dir, de_del, bh, bh->b_data,  in ocfs2_delete_entry_el()
1405 		       struct inode *dir,  in ocfs2_delete_entry()  argument
1408 	if (ocfs2_dir_indexed(dir))  in ocfs2_delete_entry()
1409 		return ocfs2_delete_entry_dx(handle, dir, res);  in ocfs2_delete_entry()
1411 	if (OCFS2_I(dir)->ip_dyn_features & OCFS2_INLINE_DATA_FL)  in ocfs2_delete_entry()
1412 		return ocfs2_delete_entry_id(handle, dir, res->dl_entry,  in ocfs2_delete_entry()
1415 	return ocfs2_delete_entry_el(handle, dir, res->dl_entry,  in ocfs2_delete_entry()
1473 static int __ocfs2_dx_dir_leaf_insert(struct inode *dir, handle_t *handle,  in __ocfs2_dx_dir_leaf_insert()  argument
1481 	ret = ocfs2_journal_access_dl(handle, INODE_CACHE(dir), dx_leaf_bh,  in __ocfs2_dx_dir_leaf_insert()
1496 static void ocfs2_dx_inline_root_insert(struct inode *dir, handle_t *handle,  in ocfs2_dx_inline_root_insert()  argument
1504 static int ocfs2_dx_dir_insert(struct inode *dir, handle_t *handle,  in ocfs2_dx_dir_insert()  argument
1511 	ret = ocfs2_journal_access_dr(handle, INODE_CACHE(dir), dx_root_bh,  in ocfs2_dx_dir_insert()
1520 		ocfs2_dx_inline_root_insert(dir, handle,  in ocfs2_dx_dir_insert()
1525 		ret = __ocfs2_dx_dir_leaf_insert(dir, handle, &lookup->dl_hinfo,  in ocfs2_dx_dir_insert()
1539 static void ocfs2_remove_block_from_free_list(struct inode *dir,  in ocfs2_remove_block_from_free_list()  argument
1547 	trailer = ocfs2_trailer_from_bh(lookup->dl_leaf_bh, dir->i_sb);  in ocfs2_remove_block_from_free_list()
1555 		prev = ocfs2_trailer_from_bh(bh, dir->i_sb);  in ocfs2_remove_block_from_free_list()
1570 static void ocfs2_recalc_free_list(struct inode *dir, handle_t *handle,  in ocfs2_recalc_free_list()  argument
1577 	max_rec_len = ocfs2_find_max_rec_len(dir->i_sb, lookup->dl_leaf_bh);  in ocfs2_recalc_free_list()
1584 		trailer = ocfs2_trailer_from_bh(lookup->dl_leaf_bh, dir->i_sb);  in ocfs2_recalc_free_list()
1588 		ocfs2_remove_block_from_free_list(dir, handle, lookup);  in ocfs2_recalc_free_list()
1599 		      struct inode *dir,  in __ocfs2_add_entry()  argument
1609 	struct super_block *sb = dir->i_sb;  in __ocfs2_add_entry()
1618 	if (ocfs2_dir_indexed(dir)) {  in __ocfs2_add_entry()
1632 						 INODE_CACHE(dir), bh,  in __ocfs2_add_entry()
1637 						 INODE_CACHE(dir), bh,  in __ocfs2_add_entry()
1644 	} else if (OCFS2_I(dir)->ip_dyn_features & OCFS2_INLINE_DATA_FL) {  in __ocfs2_add_entry()
1646 		size = i_size_read(dir);  in __ocfs2_add_entry()
1660 		if (!ocfs2_check_dir_entry(dir, de, insert_bh, offset)) {  in __ocfs2_add_entry()
1671 		mlog_bug_on_msg(ocfs2_skip_dir_trailer(dir, de, offset, size),  in __ocfs2_add_entry()
1677 				offset, ocfs2_dir_trailer_blk_off(dir->i_sb));  in __ocfs2_add_entry()
1680 			dir->i_mtime = dir->i_ctime = CURRENT_TIME;  in __ocfs2_add_entry()
1681 			retval = ocfs2_mark_inode_dirty(handle, dir, parent_fe_bh);  in __ocfs2_add_entry()
1689 								 INODE_CACHE(dir),  in __ocfs2_add_entry()
1694 								 INODE_CACHE(dir),  in __ocfs2_add_entry()
1698 				if (!retval && ocfs2_dir_indexed(dir))  in __ocfs2_add_entry()
1699 					retval = ocfs2_dx_dir_insert(dir,  in __ocfs2_add_entry()
1729 			if (ocfs2_dir_indexed(dir))  in __ocfs2_add_entry()
1730 				ocfs2_recalc_free_list(dir, handle, lookup);  in __ocfs2_add_entry()
1732 			dir->i_version++;  in __ocfs2_add_entry()
2017 int ocfs2_lookup_ino_from_name(struct inode *dir, const char *name,  in ocfs2_lookup_ino_from_name()  argument
2023 	ret = ocfs2_find_files_on_disk(name, namelen, blkno, dir, &lookup);  in ocfs2_lookup_ino_from_name()
2036 int ocfs2_check_dir_for_entry(struct inode *dir,  in ocfs2_check_dir_for_entry()  argument
2044 		(unsigned long long)OCFS2_I(dir)->ip_blkno, namelen, name);  in ocfs2_check_dir_for_entry()
2046 	if (ocfs2_find_entry(name, namelen, dir, &lookup) == 0) {  in ocfs2_check_dir_for_entry()
2311 				     handle_t *handle, struct inode *dir,  in ocfs2_dx_dir_attach_index()  argument
2326 		ocfs2_trailer_from_bh(dirdata_bh, dir->i_sb);  in ocfs2_dx_dir_attach_index()
2336 				(unsigned long long)OCFS2_I(dir)->ip_blkno,  in ocfs2_dx_dir_attach_index()
2344 	ocfs2_set_new_buffer_uptodate(INODE_CACHE(dir), dx_root_bh);  in ocfs2_dx_dir_attach_index()
2346 	ret = ocfs2_journal_access_dr(handle, INODE_CACHE(dir), dx_root_bh,  in ocfs2_dx_dir_attach_index()
2361 	dx_root->dr_dir_blkno = cpu_to_le64(OCFS2_I(dir)->ip_blkno);  in ocfs2_dx_dir_attach_index()
2378 	ret = ocfs2_journal_access_di(handle, INODE_CACHE(dir), di_bh,  in ocfs2_dx_dir_attach_index()
2387 	spin_lock(&OCFS2_I(dir)->ip_lock);  in ocfs2_dx_dir_attach_index()
2388 	OCFS2_I(dir)->ip_dyn_features |= OCFS2_INDEXED_DIR_FL;  in ocfs2_dx_dir_attach_index()
2389 	di->i_dyn_features = cpu_to_le16(OCFS2_I(dir)->ip_dyn_features);  in ocfs2_dx_dir_attach_index()
2390 	spin_unlock(&OCFS2_I(dir)->ip_lock);  in ocfs2_dx_dir_attach_index()
2403 				       handle_t *handle, struct inode *dir,  in ocfs2_dx_dir_format_cluster()  argument
2419 		ocfs2_set_new_buffer_uptodate(INODE_CACHE(dir), bh);  in ocfs2_dx_dir_format_cluster()
2421 		ret = ocfs2_journal_access_dl(handle, INODE_CACHE(dir), bh,  in ocfs2_dx_dir_format_cluster()
2438 				(unsigned long long)OCFS2_I(dir)->ip_blkno,  in ocfs2_dx_dir_format_cluster()
2455 static int __ocfs2_dx_dir_new_cluster(struct inode *dir,  in __ocfs2_dx_dir_new_cluster()  argument
2464 	struct ocfs2_super *osb = OCFS2_SB(dir->i_sb);  in __ocfs2_dx_dir_new_cluster()
2483 	ret = ocfs2_dx_dir_format_cluster(osb, handle, dir, dx_leaves,  in __ocfs2_dx_dir_new_cluster()
2495 static int ocfs2_dx_dir_new_cluster(struct inode *dir,  in ocfs2_dx_dir_new_cluster()  argument
2506 	ret = __ocfs2_dx_dir_new_cluster(dir, cpos, handle, data_ac, dx_leaves,  in ocfs2_dx_dir_new_cluster()
2612 static int ocfs2_dx_dir_index_block(struct inode *dir,  in ocfs2_dx_dir_index_block()  argument
2627 	limit = de_buf + dir->i_sb->s_blocksize;  in ocfs2_dx_dir_index_block()
2636 		ocfs2_dx_dir_name_hash(dir, de->name, namelen, &hinfo);  in ocfs2_dx_dir_index_block()
2638 		i = ocfs2_dx_dir_hash_idx(OCFS2_SB(dir->i_sb), &hinfo);  in ocfs2_dx_dir_index_block()
2641 		ret = __ocfs2_dx_dir_leaf_insert(dir, handle, &hinfo,  in ocfs2_dx_dir_index_block()
2661 static void ocfs2_dx_dir_index_root_block(struct inode *dir,  in ocfs2_dx_dir_index_root_block()  argument
2674 	limit = de_buf + dir->i_sb->s_blocksize;  in ocfs2_dx_dir_index_root_block()
2682 		ocfs2_dx_dir_name_hash(dir, de->name, de->name_len, &hinfo);  in ocfs2_dx_dir_index_root_block()
2685 				(unsigned long long)dir->i_ino,  in ocfs2_dx_dir_index_root_block()
2704 static int ocfs2_new_dx_should_be_inline(struct inode *dir,  in ocfs2_new_dx_should_be_inline()  argument
2713 	limit = de_buf + i_size_read(dir);  in ocfs2_new_dx_should_be_inline()
2725 	return dirent_count < ocfs2_dx_entries_per_root(dir->i_sb);  in ocfs2_new_dx_should_be_inline()
2743 					     struct inode *dir)  in ocfs2_expand_last_dirent()  argument
2745 	struct super_block *sb = dir->i_sb;  in ocfs2_expand_last_dirent()
2753 	if (ocfs2_new_dir_wants_trailer(dir))  in ocfs2_expand_last_dirent()
2792 static int ocfs2_expand_inline_dir(struct inode *dir, struct buffer_head *di_bh,  in ocfs2_expand_inline_dir()  argument
2798 	struct super_block *sb = dir->i_sb;  in ocfs2_expand_inline_dir()
2803 	struct ocfs2_super *osb = OCFS2_SB(dir->i_sb);  in ocfs2_expand_inline_dir()
2804 	struct ocfs2_inode_info *oi = OCFS2_I(dir);  in ocfs2_expand_inline_dir()
2816 	ocfs2_init_dinode_extent_tree(&et, INODE_CACHE(dir), di_bh);  in ocfs2_expand_inline_dir()
2826 		dx_inline = ocfs2_new_dx_should_be_inline(dir, di_bh);  in ocfs2_expand_inline_dir()
2877 	ret = dquot_alloc_space_nodirty(dir,  in ocfs2_expand_inline_dir()
2889 		ret = __ocfs2_dx_dir_new_cluster(dir, 0, handle, data_ac,  in ocfs2_expand_inline_dir()
2896 		bytes_allocated += ocfs2_clusters_to_bytes(dir->i_sb, 1);  in ocfs2_expand_inline_dir()
2911 	bytes_allocated += ocfs2_clusters_to_bytes(dir->i_sb, 1);  in ocfs2_expand_inline_dir()
2918 	blkno = ocfs2_clusters_to_blocks(dir->i_sb, bit_off);  in ocfs2_expand_inline_dir()
2926 	ocfs2_set_new_buffer_uptodate(INODE_CACHE(dir), dirdata_bh);  in ocfs2_expand_inline_dir()
2928 	ret = ocfs2_journal_access_db(handle, INODE_CACHE(dir), dirdata_bh,  in ocfs2_expand_inline_dir()
2935 	memcpy(dirdata_bh->b_data, di->id2.i_data.id_data, i_size_read(dir));  in ocfs2_expand_inline_dir()
2936 	memset(dirdata_bh->b_data + i_size_read(dir), 0,  in ocfs2_expand_inline_dir()
2937 	       sb->s_blocksize - i_size_read(dir));  in ocfs2_expand_inline_dir()
2938 	i = ocfs2_expand_last_dirent(dirdata_bh->b_data, i_size_read(dir), dir);  in ocfs2_expand_inline_dir()
2939 	if (ocfs2_new_dir_wants_trailer(dir)) {  in ocfs2_expand_inline_dir()
2946 		ocfs2_init_dir_trailer(dir, dirdata_bh, i);  in ocfs2_expand_inline_dir()
2949 	ocfs2_update_inode_fsync_trans(handle, dir, 1);  in ocfs2_expand_inline_dir()
2961 		ret = ocfs2_dx_dir_index_block(dir, handle, dx_leaves,  in ocfs2_expand_inline_dir()
2978 	ret = ocfs2_journal_access_di(handle, INODE_CACHE(dir), di_bh,  in ocfs2_expand_inline_dir()
2990 	ocfs2_dinode_new_extent_list(dir, di);  in ocfs2_expand_inline_dir()
2992 	i_size_write(dir, sb->s_blocksize);  in ocfs2_expand_inline_dir()
2993 	dir->i_mtime = dir->i_ctime = CURRENT_TIME;  in ocfs2_expand_inline_dir()
2996 	di->i_ctime = di->i_mtime = cpu_to_le64(dir->i_ctime.tv_sec);  in ocfs2_expand_inline_dir()
2997 	di->i_ctime_nsec = di->i_mtime_nsec = cpu_to_le32(dir->i_ctime.tv_nsec);  in ocfs2_expand_inline_dir()
2998 	ocfs2_update_inode_fsync_trans(handle, dir, 1);  in ocfs2_expand_inline_dir()
3015 	dir->i_blocks = ocfs2_inode_sector_count(dir);  in ocfs2_expand_inline_dir()
3020 		ret = ocfs2_dx_dir_attach_index(osb, handle, dir, di_bh,  in ocfs2_expand_inline_dir()
3029 			ocfs2_dx_dir_index_root_block(dir, dx_root_bh,  in ocfs2_expand_inline_dir()
3033 						       INODE_CACHE(dir),  in ocfs2_expand_inline_dir()
3053 		blkno = ocfs2_clusters_to_blocks(dir->i_sb, bit_off);  in ocfs2_expand_inline_dir()
3061 		bytes_allocated += ocfs2_clusters_to_bytes(dir->i_sb, 1);  in ocfs2_expand_inline_dir()
3074 			off = ocfs2_dx_dir_hash_idx(OCFS2_SB(dir->i_sb),  in ocfs2_expand_inline_dir()
3085 		dquot_free_space_nodirty(dir, bytes_allocated);  in ocfs2_expand_inline_dir()
3111 			       struct inode *dir,  in ocfs2_do_extend_dir()  argument
3121 	spin_lock(&OCFS2_I(dir)->ip_lock);  in ocfs2_do_extend_dir()
3122 	extend = (i_size_read(dir) == ocfs2_clusters_to_bytes(sb, OCFS2_I(dir)->ip_clusters));  in ocfs2_do_extend_dir()
3123 	spin_unlock(&OCFS2_I(dir)->ip_lock);  in ocfs2_do_extend_dir()
3126 		u32 offset = OCFS2_I(dir)->ip_clusters;  in ocfs2_do_extend_dir()
3128 		status = dquot_alloc_space_nodirty(dir,  in ocfs2_do_extend_dir()
3134 		status = ocfs2_add_inode_data(OCFS2_SB(sb), dir, &offset,  in ocfs2_do_extend_dir()
3144 	v_blkno = ocfs2_blocks_for_bytes(sb, i_size_read(dir));  in ocfs2_do_extend_dir()
3145 	status = ocfs2_extent_map_get_blocks(dir, v_blkno, &p_blkno, NULL, NULL);  in ocfs2_do_extend_dir()
3160 		dquot_free_space_nodirty(dir, ocfs2_clusters_to_bytes(sb, 1));  in ocfs2_do_extend_dir()
3175 			    struct inode *dir,  in ocfs2_extend_dir()  argument
3195 	if (OCFS2_I(dir)->ip_dyn_features & OCFS2_INLINE_DATA_FL) {  in ocfs2_extend_dir()
3202 		status = ocfs2_expand_inline_dir(dir, parent_fe_bh,  in ocfs2_extend_dir()
3233 		down_write(&OCFS2_I(dir)->ip_alloc_sem);  in ocfs2_extend_dir()
3235 		dir_i_size = i_size_read(dir);  in ocfs2_extend_dir()
3240 	down_write(&OCFS2_I(dir)->ip_alloc_sem);  in ocfs2_extend_dir()
3242 	dir_i_size = i_size_read(dir);  in ocfs2_extend_dir()
3243 	trace_ocfs2_extend_dir((unsigned long long)OCFS2_I(dir)->ip_blkno,  in ocfs2_extend_dir()
3247 	spin_lock(&OCFS2_I(dir)->ip_lock);  in ocfs2_extend_dir()
3248 	if (dir_i_size == ocfs2_clusters_to_bytes(sb, OCFS2_I(dir)->ip_clusters)) {  in ocfs2_extend_dir()
3249 		spin_unlock(&OCFS2_I(dir)->ip_lock);  in ocfs2_extend_dir()
3250 		ocfs2_init_dinode_extent_tree(&et, INODE_CACHE(dir),  in ocfs2_extend_dir()
3276 			data_ac->ac_resv = &OCFS2_I(dir)->ip_la_data_resv;  in ocfs2_extend_dir()
3280 		spin_unlock(&OCFS2_I(dir)->ip_lock);  in ocfs2_extend_dir()
3285 	if (ocfs2_dir_indexed(dir))  in ocfs2_extend_dir()
3297 	status = ocfs2_do_extend_dir(osb->sb, handle, dir, parent_fe_bh,  in ocfs2_extend_dir()
3304 	ocfs2_set_new_buffer_uptodate(INODE_CACHE(dir), new_bh);  in ocfs2_extend_dir()
3306 	status = ocfs2_journal_access_db(handle, INODE_CACHE(dir), new_bh,  in ocfs2_extend_dir()
3316 	if (ocfs2_supports_dir_trailer(dir)) {  in ocfs2_extend_dir()
3319 		ocfs2_init_dir_trailer(dir, new_bh, le16_to_cpu(de->rec_len));  in ocfs2_extend_dir()
3321 		if (ocfs2_dir_indexed(dir)) {  in ocfs2_extend_dir()
3322 			status = ocfs2_dx_dir_link_trailer(dir, handle,  in ocfs2_extend_dir()
3332 	ocfs2_update_inode_fsync_trans(handle, dir, 1);  in ocfs2_extend_dir()
3335 	dir_i_size += dir->i_sb->s_blocksize;  in ocfs2_extend_dir()
3336 	i_size_write(dir, dir_i_size);  in ocfs2_extend_dir()
3337 	dir->i_blocks = ocfs2_inode_sector_count(dir);  in ocfs2_extend_dir()
3338 	status = ocfs2_mark_inode_dirty(handle, dir, parent_fe_bh);  in ocfs2_extend_dir()
3351 		up_write(&OCFS2_I(dir)->ip_alloc_sem);  in ocfs2_extend_dir()
3363 static int ocfs2_find_dir_space_id(struct inode *dir, struct buffer_head *di_bh,  in ocfs2_find_dir_space_id()  argument
3369 	struct super_block *sb = dir->i_sb;  in ocfs2_find_dir_space_id()
3374 	unsigned int rec_len, new_rec_len, free_space = dir->i_sb->s_blocksize;  in ocfs2_find_dir_space_id()
3380 	if (ocfs2_new_dir_wants_trailer(dir))  in ocfs2_find_dir_space_id()
3381 		free_space = ocfs2_dir_trailer_blk_off(sb) - i_size_read(dir);  in ocfs2_find_dir_space_id()
3383 		free_space = dir->i_sb->s_blocksize - i_size_read(dir);  in ocfs2_find_dir_space_id()
3386 	limit = de_buf + i_size_read(dir);  in ocfs2_find_dir_space_id()
3392 		if (!ocfs2_check_dir_entry(dir, de, di_bh, offset)) {  in ocfs2_find_dir_space_id()
3434 static int ocfs2_find_dir_space_el(struct inode *dir, const char *name,  in ocfs2_find_dir_space_el()  argument
3441 	struct super_block *sb = dir->i_sb;  in ocfs2_find_dir_space_el()
3443 	int blocksize = dir->i_sb->s_blocksize;  in ocfs2_find_dir_space_el()
3445 	status = ocfs2_read_dir_block(dir, 0, &bh, 0);  in ocfs2_find_dir_space_el()
3457 			if (i_size_read(dir) <= offset) {  in ocfs2_find_dir_space_el()
3465 			status = ocfs2_read_dir_block(dir,  in ocfs2_find_dir_space_el()
3474 		if (!ocfs2_check_dir_entry(dir, de, bh, offset)) {  in ocfs2_find_dir_space_el()
3483 		if (ocfs2_skip_dir_trailer(dir, de, offset % blocksize,  in ocfs2_find_dir_space_el()
3655 static void ocfs2_dx_dir_transfer_leaf(struct inode *dir, u32 split_hash,  in ocfs2_dx_dir_transfer_leaf()  argument
3678 		memcpy(tmp_dx_leaf, orig_dx_leaf, dir->i_sb->s_blocksize);  in ocfs2_dx_dir_transfer_leaf()
3692 		memcpy(orig_dx_leaf, tmp_dx_leaf, dir->i_sb->s_blocksize);  in ocfs2_dx_dir_transfer_leaf()
3713 static int ocfs2_dx_dir_rebalance(struct ocfs2_super *osb, struct inode *dir,  in ocfs2_dx_dir_rebalance()  argument
3732 	trace_ocfs2_dx_dir_rebalance((unsigned long long)OCFS2_I(dir)->ip_blkno,  in ocfs2_dx_dir_rebalance()
3736 	ocfs2_init_dx_root_extent_tree(&et, INODE_CACHE(dir), dx_root_bh);  in ocfs2_dx_dir_rebalance()
3749 		     "%llu, %d\n", (unsigned long long)OCFS2_I(dir)->ip_blkno,  in ocfs2_dx_dir_rebalance()
3769 	ret = ocfs2_lock_allocators(dir, &et, 1, 0, &data_ac, &meta_ac);  in ocfs2_dx_dir_rebalance()
3785 	ret = dquot_alloc_space_nodirty(dir,  in ocfs2_dx_dir_rebalance()
3786 				       ocfs2_clusters_to_bytes(dir->i_sb, 1));  in ocfs2_dx_dir_rebalance()
3791 	ret = ocfs2_journal_access_dl(handle, INODE_CACHE(dir), dx_leaf_bh,  in ocfs2_dx_dir_rebalance()
3841 	orig_leaves_start = ocfs2_block_to_cluster_start(dir->i_sb, leaf_blkno);  in ocfs2_dx_dir_rebalance()
3842 	ret = ocfs2_read_dx_leaves(dir, orig_leaves_start, num_dx_leaves,  in ocfs2_dx_dir_rebalance()
3850 	ret = ocfs2_dx_dir_new_cluster(dir, &et, cpos, handle,  in ocfs2_dx_dir_rebalance()
3859 		ret = ocfs2_journal_access_dl(handle, INODE_CACHE(dir),  in ocfs2_dx_dir_rebalance()
3867 		ret = ocfs2_journal_access_dl(handle, INODE_CACHE(dir),  in ocfs2_dx_dir_rebalance()
3876 	ocfs2_dx_dir_transfer_leaf(dir, split_hash, handle, tmp_dx_leaf,  in ocfs2_dx_dir_rebalance()
3881 		dquot_free_space_nodirty(dir,  in ocfs2_dx_dir_rebalance()
3882 				ocfs2_clusters_to_bytes(dir->i_sb, 1));  in ocfs2_dx_dir_rebalance()
3884 	ocfs2_update_inode_fsync_trans(handle, dir, 1);  in ocfs2_dx_dir_rebalance()
3908 static int ocfs2_find_dir_space_dx(struct ocfs2_super *osb, struct inode *dir,  in ocfs2_find_dir_space_dx()  argument
3924 	ret = ocfs2_dx_dir_lookup(dir, &dx_root->dr_list, &lookup->dl_hinfo,  in ocfs2_find_dir_space_dx()
3931 	ret = ocfs2_read_dx_leaf(dir, blkno, &dx_leaf_bh);  in ocfs2_find_dir_space_dx()
3953 		ret = ocfs2_dx_dir_rebalance(osb, dir, dx_root_bh, dx_leaf_bh,  in ocfs2_find_dir_space_dx()
3981 static int ocfs2_search_dx_free_list(struct inode *dir,  in ocfs2_search_dx_free_list()  argument
4001 		ret = ocfs2_read_dir_block_direct(dir, next_block, &leaf_bh);  in ocfs2_search_dx_free_list()
4007 		db = ocfs2_trailer_from_bh(leaf_bh, dir->i_sb);  in ocfs2_search_dx_free_list()
4029 static int ocfs2_expand_inline_dx_root(struct inode *dir,  in ocfs2_expand_inline_dx_root()  argument
4037 	struct ocfs2_super *osb = OCFS2_SB(dir->i_sb);  in ocfs2_expand_inline_dx_root()
4064 	ret = dquot_alloc_space_nodirty(dir,  in ocfs2_expand_inline_dx_root()
4075 	ret = ocfs2_journal_access_dr(handle, INODE_CACHE(dir), dx_root_bh,  in ocfs2_expand_inline_dx_root()
4082 	ret = __ocfs2_dx_dir_new_cluster(dir, 0, handle, data_ac, dx_leaves,  in ocfs2_expand_inline_dx_root()
4117 	ocfs2_init_dx_root_extent_tree(&et, INODE_CACHE(dir), dx_root_bh);  in ocfs2_expand_inline_dx_root()
4123 	ocfs2_update_inode_fsync_trans(handle, dir, 1);  in ocfs2_expand_inline_dx_root()
4128 		dquot_free_space_nodirty(dir,  in ocfs2_expand_inline_dx_root()
4129 					  ocfs2_clusters_to_bytes(dir->i_sb, 1));  in ocfs2_expand_inline_dx_root()
4160 static int ocfs2_prepare_dx_dir_for_insert(struct inode *dir,  in ocfs2_prepare_dx_dir_for_insert()  argument
4167 	struct ocfs2_super *osb = OCFS2_SB(dir->i_sb);  in ocfs2_prepare_dx_dir_for_insert()
4173 	ret = ocfs2_read_dx_root(dir, di, &dx_root_bh);  in ocfs2_prepare_dx_dir_for_insert()
4197 		ret = ocfs2_expand_inline_dx_root(dir, dx_root_bh);  in ocfs2_prepare_dx_dir_for_insert()
4210 	ret = ocfs2_find_dir_space_dx(osb, dir, di_bh, dx_root_bh, name,  in ocfs2_prepare_dx_dir_for_insert()
4224 	ret = ocfs2_search_dx_free_list(dir, dx_root_bh, namelen, lookup);  in ocfs2_prepare_dx_dir_for_insert()
4235 		ret = ocfs2_extend_dir(osb, dir, di_bh, 1, lookup, &leaf_bh);  in ocfs2_prepare_dx_dir_for_insert()
4263 				 struct inode *dir,  in ocfs2_prepare_dir_for_insert()  argument
4274 		(unsigned long long)OCFS2_I(dir)->ip_blkno, namelen);  in ocfs2_prepare_dir_for_insert()
4294 		ocfs2_dx_dir_name_hash(dir, name, namelen, &lookup->dl_hinfo);  in ocfs2_prepare_dir_for_insert()
4296 	if (ocfs2_dir_indexed(dir)) {  in ocfs2_prepare_dir_for_insert()
4297 		ret = ocfs2_prepare_dx_dir_for_insert(dir, parent_fe_bh,  in ocfs2_prepare_dir_for_insert()
4304 	if (OCFS2_I(dir)->ip_dyn_features & OCFS2_INLINE_DATA_FL) {  in ocfs2_prepare_dir_for_insert()
4305 		ret = ocfs2_find_dir_space_id(dir, parent_fe_bh, name,  in ocfs2_prepare_dir_for_insert()
4308 		ret = ocfs2_find_dir_space_el(dir, name, namelen, &bh);  in ocfs2_prepare_dir_for_insert()
4321 		ret = ocfs2_extend_dir(osb, dir, parent_fe_bh, blocks_wanted,  in ocfs2_prepare_dir_for_insert()
4339 static int ocfs2_dx_dir_remove_index(struct inode *dir,  in ocfs2_dx_dir_remove_index()  argument
4344 	struct ocfs2_super *osb = OCFS2_SB(dir->i_sb);  in ocfs2_dx_dir_remove_index()
4379 	ret = ocfs2_journal_access_di(handle, INODE_CACHE(dir), di_bh,  in ocfs2_dx_dir_remove_index()
4386 	spin_lock(&OCFS2_I(dir)->ip_lock);  in ocfs2_dx_dir_remove_index()
4387 	OCFS2_I(dir)->ip_dyn_features &= ~OCFS2_INDEXED_DIR_FL;  in ocfs2_dx_dir_remove_index()
4388 	di->i_dyn_features = cpu_to_le16(OCFS2_I(dir)->ip_dyn_features);  in ocfs2_dx_dir_remove_index()
4389 	spin_unlock(&OCFS2_I(dir)->ip_lock);  in ocfs2_dx_dir_remove_index()
4391 	ocfs2_update_inode_fsync_trans(handle, dir, 1);  in ocfs2_dx_dir_remove_index()
4420 int ocfs2_dx_dir_truncate(struct inode *dir, struct buffer_head *di_bh)  in ocfs2_dx_dir_truncate()  argument
4426 	struct ocfs2_super *osb = OCFS2_SB(dir->i_sb);  in ocfs2_dx_dir_truncate()
4435 	if (!ocfs2_dir_indexed(dir))  in ocfs2_dx_dir_truncate()
4438 	ret = ocfs2_read_dx_root(dir, di, &dx_root_bh);  in ocfs2_dx_dir_truncate()
4448 	ocfs2_init_dx_root_extent_tree(&et, INODE_CACHE(dir), dx_root_bh);  in ocfs2_dx_dir_truncate()
4452 		ret = ocfs2_dx_dir_lookup_rec(dir, &dx_root->dr_list,  in ocfs2_dx_dir_truncate()
4459 		p_cpos = ocfs2_blocks_to_clusters(dir->i_sb, blkno);  in ocfs2_dx_dir_truncate()
4461 		ret = ocfs2_remove_btree_range(dir, &et, cpos, p_cpos, clen, 0,  in ocfs2_dx_dir_truncate()
4475 	ret = ocfs2_dx_dir_remove_index(dir, di_bh, dx_root_bh);  in ocfs2_dx_dir_truncate()
4481 	ocfs2_remove_from_cache(INODE_CACHE(dir), dx_root_bh);  in ocfs2_dx_dir_truncate()