22 #define INC_DIR_INODE_NLINK(i) if (i->i_nlink != 1) { inc_nlink(i); if (i->i_nlink >= REISERFS_LINK…
23 #define DEC_DIR_INODE_NLINK(i) if (i->i_nlink != 1) drop_nlink(i);
29 static int bin_search_in_dir_item(struct reiserfs_dir_entry *de, loff_t off)  in bin_search_in_dir_item()  argument
31 	struct item_head *ih = de->de_ih;  in bin_search_in_dir_item()
32 	struct reiserfs_de_head *deh = de->de_deh;  in bin_search_in_dir_item()
36 	rbound = ih_entry_count(ih) - 1;  in bin_search_in_dir_item()
41 			rbound = j - 1;  in bin_search_in_dir_item()
49 		de->de_entry_num = j;  in bin_search_in_dir_item()
53 	de->de_entry_num = lbound;  in bin_search_in_dir_item()
58  * comment?  maybe something like set de to point to what the path points to?
60 static inline void set_de_item_location(struct reiserfs_dir_entry *de,  in set_de_item_location()  argument
63 	de->de_bh = get_last_bh(path);  in set_de_item_location()
64 	de->de_ih = tp_item_head(path);  in set_de_item_location()
65 	de->de_deh = B_I_DEH(de->de_bh, de->de_ih);  in set_de_item_location()
66 	de->de_item_num = PATH_LAST_POSITION(path);  in set_de_item_location()
72 inline void set_de_name_and_namelen(struct reiserfs_dir_entry *de)  in set_de_name_and_namelen()  argument
74 	struct reiserfs_de_head *deh = de->de_deh + de->de_entry_num;  in set_de_name_and_namelen()
76 	BUG_ON(de->de_entry_num >= ih_entry_count(de->de_ih));  in set_de_name_and_namelen()
78 	de->de_entrylen = entry_length(de->de_bh, de->de_ih, de->de_entry_num);  in set_de_name_and_namelen()
79 	de->de_namelen = de->de_entrylen - (de_with_sd(deh) ? SD_SIZE : 0);  in set_de_name_and_namelen()
80 	de->de_name = ih_item_body(de->de_bh, de->de_ih) + deh_location(deh);  in set_de_name_and_namelen()
81 	if (de->de_name[de->de_namelen - 1] == 0)  in set_de_name_and_namelen()
82 		de->de_namelen = strlen(de->de_name);  in set_de_name_and_namelen()
86 static inline void set_de_object_key(struct reiserfs_dir_entry *de)  in set_de_object_key()  argument
88 	BUG_ON(de->de_entry_num >= ih_entry_count(de->de_ih));  in set_de_object_key()
89 	de->de_dir_id = deh_dir_id(&de->de_deh[de->de_entry_num]);  in set_de_object_key()
90 	de->de_objectid = deh_objectid(&de->de_deh[de->de_entry_num]);  in set_de_object_key()
93 static inline void store_de_entry_key(struct reiserfs_dir_entry *de)  in store_de_entry_key()  argument
95 	struct reiserfs_de_head *deh = de->de_deh + de->de_entry_num;  in store_de_entry_key()
97 	BUG_ON(de->de_entry_num >= ih_entry_count(de->de_ih));  in store_de_entry_key()
100 	de->de_entry_key.version = KEY_FORMAT_3_5;  in store_de_entry_key()
101 	de->de_entry_key.on_disk_key.k_dir_id =  in store_de_entry_key()
102 	    le32_to_cpu(de->de_ih->ih_key.k_dir_id);  in store_de_entry_key()
103 	de->de_entry_key.on_disk_key.k_objectid =  in store_de_entry_key()
104 	    le32_to_cpu(de->de_ih->ih_key.k_objectid);  in store_de_entry_key()
105 	set_cpu_key_k_offset(&de->de_entry_key, deh_offset(deh));  in store_de_entry_key()
106 	set_cpu_key_k_type(&de->de_entry_key, TYPE_DIRENTRY);  in store_de_entry_key()
119 /* The function is NOT SCHEDULE-SAFE! */
121 			struct treepath *path, struct reiserfs_dir_entry *de)  in search_by_entry_key()  argument
129 			reiserfs_error(sb, "vs-7000", "search_by_key "  in search_by_entry_key()
134 		PATH_LAST_POSITION(path)--;  in search_by_entry_key()
145 		reiserfs_error(sb, "vs-7002", "no path to here");  in search_by_entry_key()
149 	set_de_item_location(de, path);  in search_by_entry_key()
152 	if (!is_direntry_le_ih(de->de_ih) ||  in search_by_entry_key()
153 	    COMP_SHORT_KEYS(&de->de_ih->ih_key, key)) {  in search_by_entry_key()
154 		print_block(de->de_bh, 0, -1, -1);  in search_by_entry_key()
155 		reiserfs_panic(sb, "vs-7005", "found item %h is not directory "  in search_by_entry_key()
157 			       "as key %K", de->de_ih, key);  in search_by_entry_key()
163 	 * key. sets de->de_entry_num of de  in search_by_entry_key()
165 	retval = bin_search_in_dir_item(de, cpu_key_k_offset(key));  in search_by_entry_key()
166 	path->pos_in_item = de->de_entry_num;  in search_by_entry_key()
172 		set_de_name_and_namelen(de);  in search_by_entry_key()
173 		set_de_object_key(de);  in search_by_entry_key()
178 /* Keyed 32-bit hash function using TEA in a Davis-Meyer function */
183  * but are thought about. This function should be moved to hashes.c
184  * Jedi, please do so.  -Hans
196 	res = REISERFS_SB(s)->s_hash_function(name, len);  in get_third_component()
198 	/* take bits from 7-th to 30-th including both bounds */  in get_third_component()
209 static int reiserfs_match(struct reiserfs_dir_entry *de,  in reiserfs_match()  argument
214 	if ((namelen == de->de_namelen) &&  in reiserfs_match()
215 	    !memcmp(de->de_name, name, de->de_namelen))  in reiserfs_match()
217 		    (de_visible(de->de_deh + de->de_entry_num) ? NAME_FOUND :  in reiserfs_match()
223 /* de's de_bh, de_ih, de_deh, de_item_num, de_entry_num are set already */
228 				     struct reiserfs_dir_entry *de,  in linear_search_in_dir_item()  argument
231 	struct reiserfs_de_head *deh = de->de_deh;  in linear_search_in_dir_item()
235 	i = de->de_entry_num;  in linear_search_in_dir_item()
237 	if (i == ih_entry_count(de->de_ih) ||  in linear_search_in_dir_item()
240 		i--;  in linear_search_in_dir_item()
243 	RFALSE(de->de_deh != B_I_DEH(de->de_bh, de->de_ih),  in linear_search_in_dir_item()
244 	       "vs-7010: array of entry headers not found");  in linear_search_in_dir_item()
248 	for (; i >= 0; i--, deh--) {  in linear_search_in_dir_item()
256 		if (de->de_gen_number_bit_string)  in linear_search_in_dir_item()
258 				de->de_gen_number_bit_string);  in linear_search_in_dir_item()
261 		de->de_entry_num = i;  in linear_search_in_dir_item()
262 		set_de_name_and_namelen(de);  in linear_search_in_dir_item()
265 		 * de's de_name, de_namelen, de_recordlen are set.  in linear_search_in_dir_item()
269 		     reiserfs_match(de, name, namelen)) != NAME_NOT_FOUND) {  in linear_search_in_dir_item()
272 			set_de_object_key(de);  in linear_search_in_dir_item()
274 			store_de_entry_key(de);  in linear_search_in_dir_item()
276 			/* retval can be NAME_FOUND or NAME_FOUND_INVISIBLE */  in linear_search_in_dir_item()
281 	if (GET_GENERATION_NUMBER(le_ih_k_offset(de->de_ih)) == 0)  in linear_search_in_dir_item()
290 		 *  be 0. Btw, in case of Yura's hash it is probably possible,  in linear_search_in_dir_item()
295 	RFALSE(de->de_item_num,  in linear_search_in_dir_item()
296 	       "vs-7015: two diritems of the same directory in one node?");  in linear_search_in_dir_item()
307 			       struct reiserfs_dir_entry *de)  in reiserfs_find_entry()  argument
312 	if (namelen > REISERFS_MAX_NAME(dir->i_sb->s_blocksize))  in reiserfs_find_entry()
317 		     get_third_component(dir->i_sb, name, namelen),  in reiserfs_find_entry()
322 		    search_by_entry_key(dir->i_sb, &key_to_search,  in reiserfs_find_entry()
323 					path_to_entry, de);  in reiserfs_find_entry()
325 			reiserfs_error(dir->i_sb, "zam-7001", "io error");  in reiserfs_find_entry()
331 		    linear_search_in_dir_item(&key_to_search, de, name,  in reiserfs_find_entry()
338 			path_to_entry->pos_in_item = de->de_entry_num;  in reiserfs_find_entry()
344 		 * and given entry can be there  in reiserfs_find_entry()
347 				     le_ih_k_offset(de->de_ih) - 1);  in reiserfs_find_entry()
358 	struct reiserfs_dir_entry de;  in reiserfs_lookup()  local
361 	if (REISERFS_MAX_NAME(dir->i_sb->s_blocksize) < dentry->d_name.len)  in reiserfs_lookup()
362 		return ERR_PTR(-ENAMETOOLONG);  in reiserfs_lookup()
364 	reiserfs_write_lock(dir->i_sb);  in reiserfs_lookup()
366 	de.de_gen_number_bit_string = NULL;  in reiserfs_lookup()
368 	    reiserfs_find_entry(dir, dentry->d_name.name, dentry->d_name.len,  in reiserfs_lookup()
369 				&path_to_entry, &de);  in reiserfs_lookup()
372 		inode = reiserfs_iget(dir->i_sb,  in reiserfs_lookup()
373 				      (struct cpu_key *)&de.de_dir_id);  in reiserfs_lookup()
375 			reiserfs_write_unlock(dir->i_sb);  in reiserfs_lookup()
376 			return ERR_PTR(-EACCES);  in reiserfs_lookup()
385 			inode->i_flags |= S_PRIVATE;  in reiserfs_lookup()
386 			inode->i_opflags &= ~IOP_XATTR;  in reiserfs_lookup()
389 	reiserfs_write_unlock(dir->i_sb);  in reiserfs_lookup()
391 		return ERR_PTR(-EIO);  in reiserfs_lookup()
405 	struct reiserfs_dir_entry de;  in reiserfs_get_parent()  local
409 	if (dir->i_nlink == 0) {  in reiserfs_get_parent()
410 		return ERR_PTR(-ENOENT);  in reiserfs_get_parent()
412 	de.de_gen_number_bit_string = NULL;  in reiserfs_get_parent()
414 	reiserfs_write_lock(dir->i_sb);  in reiserfs_get_parent()
415 	retval = reiserfs_find_entry(dir, "..", 2, &path_to_entry, &de);  in reiserfs_get_parent()
418 		reiserfs_write_unlock(dir->i_sb);  in reiserfs_get_parent()
419 		return ERR_PTR(-ENOENT);  in reiserfs_get_parent()
421 	inode = reiserfs_iget(dir->i_sb, (struct cpu_key *)&de.de_dir_id);  in reiserfs_get_parent()
422 	reiserfs_write_unlock(dir->i_sb);  in reiserfs_get_parent()
427 /* add entry to the directory (entry can be hidden).
429 insert definition of when hidden directories are used here -Hans
440 	struct reiserfs_dir_entry de;  in reiserfs_add_entry()  local
454 	BUG_ON(!th->t_trans_id);  in reiserfs_add_entry()
456 	/* cannot allow items to be added into a busy deleted directory */  in reiserfs_add_entry()
458 		return -EINVAL;  in reiserfs_add_entry()
460 	if (namelen > REISERFS_MAX_NAME(dir->i_sb->s_blocksize))  in reiserfs_add_entry()
461 		return -ENAMETOOLONG;  in reiserfs_add_entry()
465 		     get_third_component(dir->i_sb, name, namelen),  in reiserfs_add_entry()
473 			return -ENOMEM;  in reiserfs_add_entry()
486 	deh->deh_location = 0;	/* JDM Endian safe if 0 */  in reiserfs_add_entry()
488 	deh->deh_state = 0;	/* JDM Endian safe if 0 */  in reiserfs_add_entry()
489 	/* put key (ino analog) to de */  in reiserfs_add_entry()
492 	deh->deh_dir_id = INODE_PKEY(inode)->k_dir_id;  in reiserfs_add_entry()
494 	deh->deh_objectid = INODE_PKEY(inode)->k_objectid;  in reiserfs_add_entry()
502 	 * entry is ready to be pasted into tree, set 'visibility'  in reiserfs_add_entry()
510 	de.de_gen_number_bit_string = bit_string;  in reiserfs_add_entry()
511 	retval = reiserfs_find_entry(dir, name, namelen, &path, &de);  in reiserfs_add_entry()
518 			return -EIO;  in reiserfs_add_entry()
522 			reiserfs_error(dir->i_sb, "zam-7002",  in reiserfs_add_entry()
527 		return -EEXIST;  in reiserfs_add_entry()
535 		reiserfs_warning(dir->i_sb, "reiserfs-7010",  in reiserfs_add_entry()
541 		return -EBUSY;  in reiserfs_add_entry()
547 	/* update max-hash-collisions counter in reiserfs_sb_info */  in reiserfs_add_entry()
548 	PROC_INFO_MAX(th->t_super, max_hash_collisions, gen_number);  in reiserfs_add_entry()
550 	/* we need to re-search for the insertion point */  in reiserfs_add_entry()
552 		if (search_by_entry_key(dir->i_sb, &entry_key, &path, &de) !=  in reiserfs_add_entry()
554 			reiserfs_warning(dir->i_sb, "vs-7032",  in reiserfs_add_entry()
561 			return -EBUSY;  in reiserfs_add_entry()
576 	dir->i_size += paste_size;  in reiserfs_add_entry()
577 	dir->i_mtime = dir->i_ctime = current_time(dir);  in reiserfs_add_entry()
578 	if (!S_ISDIR(inode->i_mode) && visible)  in reiserfs_add_entry()
589  * This should only be called on inodes that do not have stat data
596 	inode->i_flags |= S_NOQUOTA;  in drop_new_inode()
610 	 * Make inode invalid - just in case we are going to drop it before  in new_inode_init()
613 	INODE_PKEY(inode)->k_objectid = 0;  in new_inode_init()
634 	    2 * (REISERFS_QUOTA_INIT_BLOCKS(dir->i_sb) +  in reiserfs_create()
635 		 REISERFS_QUOTA_TRANS_BLOCKS(dir->i_sb));  in reiserfs_create()
643 	if (!(inode = new_inode(dir->i_sb))) {  in reiserfs_create()
644 		return -ENOMEM;  in reiserfs_create()
653 	retval = reiserfs_security_init(dir, inode, &dentry->d_name, &security);  in reiserfs_create()
659 	reiserfs_write_lock(dir->i_sb);  in reiserfs_create()
661 	retval = journal_begin(&th, dir->i_sb, jbegin_count);  in reiserfs_create()
673 	inode->i_op = &reiserfs_file_inode_operations;  in reiserfs_create()
674 	inode->i_fop = &reiserfs_file_operations;  in reiserfs_create()
675 	inode->i_mapping->a_ops = &reiserfs_address_space_operations;  in reiserfs_create()
678 	    reiserfs_add_entry(&th, dir, dentry->d_name.name,  in reiserfs_create()
679 			       dentry->d_name.len, inode, 1 /*visible */ );  in reiserfs_create()
698 	reiserfs_write_unlock(dir->i_sb);  in reiserfs_create()
715 	    2 * (REISERFS_QUOTA_INIT_BLOCKS(dir->i_sb) +  in reiserfs_mknod()
716 		 REISERFS_QUOTA_TRANS_BLOCKS(dir->i_sb));  in reiserfs_mknod()
722 	if (!(inode = new_inode(dir->i_sb))) {  in reiserfs_mknod()
723 		return -ENOMEM;  in reiserfs_mknod()
732 	retval = reiserfs_security_init(dir, inode, &dentry->d_name, &security);  in reiserfs_mknod()
738 	reiserfs_write_lock(dir->i_sb);  in reiserfs_mknod()
740 	retval = journal_begin(&th, dir->i_sb, jbegin_count);  in reiserfs_mknod()
753 	inode->i_op = &reiserfs_special_inode_operations;  in reiserfs_mknod()
754 	init_special_inode(inode, inode->i_mode, rdev);  in reiserfs_mknod()
763 	    reiserfs_add_entry(&th, dir, dentry->d_name.name,  in reiserfs_mknod()
764 			       dentry->d_name.len, inode, 1 /*visible */ );  in reiserfs_mknod()
781 	reiserfs_write_unlock(dir->i_sb);  in reiserfs_mknod()
798 	    2 * (REISERFS_QUOTA_INIT_BLOCKS(dir->i_sb) +  in reiserfs_mkdir()
799 		 REISERFS_QUOTA_TRANS_BLOCKS(dir->i_sb));  in reiserfs_mkdir()
810 	REISERFS_I(dir)->new_packing_locality = 1;  in reiserfs_mkdir()
813 	if (!(inode = new_inode(dir->i_sb))) {  in reiserfs_mkdir()
814 		return -ENOMEM;  in reiserfs_mkdir()
823 	retval = reiserfs_security_init(dir, inode, &dentry->d_name, &security);  in reiserfs_mkdir()
829 	reiserfs_write_lock(dir->i_sb);  in reiserfs_mkdir()
831 	retval = journal_begin(&th, dir->i_sb, jbegin_count);  in reiserfs_mkdir()
844 				    old_format_only(dir->i_sb) ?  in reiserfs_mkdir()
855 	inode->i_op = &reiserfs_dir_inode_operations;  in reiserfs_mkdir()
856 	inode->i_fop = &reiserfs_dir_operations;  in reiserfs_mkdir()
860 	    reiserfs_add_entry(&th, dir, dentry->d_name.name,  in reiserfs_mkdir()
861 			       dentry->d_name.len, inode, 1 /*visible */ );  in reiserfs_mkdir()
880 	reiserfs_write_unlock(dir->i_sb);  in reiserfs_mkdir()
892 	if (inode->i_size != EMPTY_DIR_SIZE &&  in reiserfs_empty_dir()
893 	    inode->i_size != EMPTY_DIR_SIZE_V1) {  in reiserfs_empty_dir()
906 	struct reiserfs_dir_entry de;  in reiserfs_rmdir()  local
909 	 * we will be doing 2 balancings and update 2 stat data, we  in reiserfs_rmdir()
916 	    4 * REISERFS_QUOTA_TRANS_BLOCKS(dir->i_sb);  in reiserfs_rmdir()
922 	reiserfs_write_lock(dir->i_sb);  in reiserfs_rmdir()
923 	retval = journal_begin(&th, dir->i_sb, jbegin_count);  in reiserfs_rmdir()
927 	de.de_gen_number_bit_string = NULL;  in reiserfs_rmdir()
929 	     reiserfs_find_entry(dir, dentry->d_name.name, dentry->d_name.len,  in reiserfs_rmdir()
930 				 &path, &de)) == NAME_NOT_FOUND) {  in reiserfs_rmdir()
931 		retval = -ENOENT;  in reiserfs_rmdir()
934 		retval = -EIO;  in reiserfs_rmdir()
943 	if (de.de_objectid != inode->i_ino) {  in reiserfs_rmdir()
947 		retval = -EIO;  in reiserfs_rmdir()
951 		retval = -ENOTEMPTY;  in reiserfs_rmdir()
956 	retval = reiserfs_cut_from_item(&th, &path, &de.de_entry_key,  in reiserfs_rmdir()
958 					0 /*new file size - not used here */ );  in reiserfs_rmdir()
962 	if (inode->i_nlink != 2 && inode->i_nlink != 1)  in reiserfs_rmdir()
963 		reiserfs_error(inode->i_sb, "reiserfs-7040",  in reiserfs_rmdir()
965 			       inode->i_nlink);  in reiserfs_rmdir()
968 	inode->i_ctime = dir->i_ctime = dir->i_mtime = current_time(dir);  in reiserfs_rmdir()
972 	dir->i_size -= (DEH_SIZE + de.de_entrylen);  in reiserfs_rmdir()
981 	reiserfs_write_unlock(dir->i_sb);  in reiserfs_rmdir()
992 	reiserfs_write_unlock(dir->i_sb);  in reiserfs_rmdir()
1000 	struct reiserfs_dir_entry de;  in reiserfs_unlink()  local
1013 	 * in this transaction we can be doing at max two balancings and  in reiserfs_unlink()
1021 	    4 * REISERFS_QUOTA_TRANS_BLOCKS(dir->i_sb);  in reiserfs_unlink()
1023 	reiserfs_write_lock(dir->i_sb);  in reiserfs_unlink()
1024 	retval = journal_begin(&th, dir->i_sb, jbegin_count);  in reiserfs_unlink()
1028 	de.de_gen_number_bit_string = NULL;  in reiserfs_unlink()
1030 	     reiserfs_find_entry(dir, dentry->d_name.name, dentry->d_name.len,  in reiserfs_unlink()
1031 				 &path, &de)) == NAME_NOT_FOUND) {  in reiserfs_unlink()
1032 		retval = -ENOENT;  in reiserfs_unlink()
1035 		retval = -EIO;  in reiserfs_unlink()
1042 	if (de.de_objectid != inode->i_ino) {  in reiserfs_unlink()
1046 		retval = -EIO;  in reiserfs_unlink()
1050 	if (!inode->i_nlink) {  in reiserfs_unlink()
1051 		reiserfs_warning(inode->i_sb, "reiserfs-7042",  in reiserfs_unlink()
1053 				 inode->i_ino, inode->i_nlink);  in reiserfs_unlink()
1063 	savelink = inode->i_nlink;  in reiserfs_unlink()
1066 	    reiserfs_cut_from_item(&th, &path, &de.de_entry_key, dir, NULL,  in reiserfs_unlink()
1072 	inode->i_ctime = current_time(inode);  in reiserfs_unlink()
1075 	dir->i_size -= (de.de_entrylen + DEH_SIZE);  in reiserfs_unlink()
1076 	dir->i_ctime = dir->i_mtime = current_time(dir);  in reiserfs_unlink()
1085 	reiserfs_write_unlock(dir->i_sb);  in reiserfs_unlink()
1095 	reiserfs_write_unlock(dir->i_sb);  in reiserfs_unlink()
1116 	    2 * (REISERFS_QUOTA_INIT_BLOCKS(parent_dir->i_sb) +  in reiserfs_symlink()
1117 		 REISERFS_QUOTA_TRANS_BLOCKS(parent_dir->i_sb));  in reiserfs_symlink()
1123 	if (!(inode = new_inode(parent_dir->i_sb))) {  in reiserfs_symlink()
1124 		return -ENOMEM;  in reiserfs_symlink()
1132 	retval = reiserfs_security_init(parent_dir, inode, &dentry->d_name,  in reiserfs_symlink()
1140 	reiserfs_write_lock(parent_dir->i_sb);  in reiserfs_symlink()
1142 	if (item_len > MAX_DIRECT_ITEM_LEN(parent_dir->i_sb->s_blocksize)) {  in reiserfs_symlink()
1143 		retval = -ENAMETOOLONG;  in reiserfs_symlink()
1151 		retval = -ENOMEM;  in reiserfs_symlink()
1157 	retval = journal_begin(&th, parent_dir->i_sb, jbegin_count);  in reiserfs_symlink()
1175 	inode->i_op = &reiserfs_symlink_inode_operations;  in reiserfs_symlink()
1177 	inode->i_mapping->a_ops = &reiserfs_address_space_operations;  in reiserfs_symlink()
1179 	retval = reiserfs_add_entry(&th, parent_dir, dentry->d_name.name,  in reiserfs_symlink()
1180 				    dentry->d_name.len, inode, 1 /*visible */ );  in reiserfs_symlink()
1196 	reiserfs_write_unlock(parent_dir->i_sb);  in reiserfs_symlink()
1212 	    2 * REISERFS_QUOTA_TRANS_BLOCKS(dir->i_sb);  in reiserfs_link()
1218 	reiserfs_write_lock(dir->i_sb);  in reiserfs_link()
1219 	if (inode->i_nlink >= REISERFS_LINK_MAX) {  in reiserfs_link()
1221 		reiserfs_write_unlock(dir->i_sb);  in reiserfs_link()
1222 		return -EMLINK;  in reiserfs_link()
1228 	retval = journal_begin(&th, dir->i_sb, jbegin_count);  in reiserfs_link()
1231 		reiserfs_write_unlock(dir->i_sb);  in reiserfs_link()
1237 	    reiserfs_add_entry(&th, dir, dentry->d_name.name,  in reiserfs_link()
1238 			       dentry->d_name.len, inode, 1 /*visible */ );  in reiserfs_link()
1247 		reiserfs_write_unlock(dir->i_sb);  in reiserfs_link()
1251 	inode->i_ctime = current_time(inode);  in reiserfs_link()
1257 	reiserfs_write_unlock(dir->i_sb);  in reiserfs_link()
1261 /* de contains information pointing to an entry which */
1263 			  struct reiserfs_dir_entry *de)  in de_still_valid()  argument
1265 	struct reiserfs_dir_entry tmp = *de;  in de_still_valid()
1270 	if (tmp.de_namelen != len || memcmp(name, de->de_name, len))  in de_still_valid()
1276 				  struct reiserfs_dir_entry *de,  in entry_points_to_object()  argument
1279 	if (!de_still_valid(name, len, de))  in entry_points_to_object()
1283 		if (!de_visible(de->de_deh + de->de_entry_num))  in entry_points_to_object()
1284 			reiserfs_panic(inode->i_sb, "vs-7042",  in entry_points_to_object()
1285 				       "entry must be visible");  in entry_points_to_object()
1286 		return (de->de_objectid == inode->i_ino) ? 1 : 0;  in entry_points_to_object()
1289 	/* this must be added hidden entry */  in entry_points_to_object()
1290 	if (de_visible(de->de_deh + de->de_entry_num))  in entry_points_to_object()
1291 		reiserfs_panic(NULL, "vs-7043", "entry must be visible");  in entry_points_to_object()
1297 static void set_ino_in_dir_entry(struct reiserfs_dir_entry *de,  in set_ino_in_dir_entry()  argument
1300 	/* JDM These operations are endian safe - both are le */  in set_ino_in_dir_entry()
1301 	de->de_deh[de->de_entry_num].deh_dir_id = key->k_dir_id;  in set_ino_in_dir_entry()
1302 	de->de_deh[de->de_entry_num].deh_objectid = key->k_objectid;  in set_ino_in_dir_entry()
1329 		return -EINVAL;  in reiserfs_rename()
1343 	    4 * REISERFS_QUOTA_TRANS_BLOCKS(old_dir->i_sb);  in reiserfs_rename()
1360 	reiserfs_write_lock(old_dir->i_sb);  in reiserfs_rename()
1362 	    reiserfs_find_entry(old_dir, old_dentry->d_name.name,  in reiserfs_rename()
1363 				old_dentry->d_name.len, &old_entry_path,  in reiserfs_rename()
1367 		reiserfs_write_unlock(old_dir->i_sb);  in reiserfs_rename()
1368 		return -EIO;  in reiserfs_rename()
1371 	if (retval != NAME_FOUND || old_de.de_objectid != old_inode->i_ino) {  in reiserfs_rename()
1372 		reiserfs_write_unlock(old_dir->i_sb);  in reiserfs_rename()
1373 		return -ENOENT;  in reiserfs_rename()
1376 	old_inode_mode = old_inode->i_mode;  in reiserfs_rename()
1385 				reiserfs_write_unlock(old_dir->i_sb);  in reiserfs_rename()
1386 				return -ENOTEMPTY;  in reiserfs_rename()
1391 		 * directory is renamed, its parent directory will be changed,  in reiserfs_rename()
1400 			reiserfs_write_unlock(old_dir->i_sb);  in reiserfs_rename()
1401 			return -EIO;  in reiserfs_rename()
1404 		/* inode number of .. must equal old_dir->i_ino */  in reiserfs_rename()
1405 		if (dot_dot_de.de_objectid != old_dir->i_ino) {  in reiserfs_rename()
1406 			reiserfs_write_unlock(old_dir->i_sb);  in reiserfs_rename()
1407 			return -EIO;  in reiserfs_rename()
1411 	retval = journal_begin(&th, old_dir->i_sb, jbegin_count);  in reiserfs_rename()
1413 		reiserfs_write_unlock(old_dir->i_sb);  in reiserfs_rename()
1419 	    reiserfs_add_entry(&th, new_dir, new_dentry->d_name.name,  in reiserfs_rename()
1420 			       new_dentry->d_name.len, old_inode, 0);  in reiserfs_rename()
1421 	if (retval == -EEXIST) {  in reiserfs_rename()
1423 			reiserfs_panic(old_dir->i_sb, "vs-7050",  in reiserfs_rename()
1428 		reiserfs_write_unlock(old_dir->i_sb);  in reiserfs_rename()
1450 		     search_by_entry_key(new_dir->i_sb, &old_de.de_entry_key,  in reiserfs_rename()
1455 			reiserfs_write_unlock(old_dir->i_sb);  in reiserfs_rename()
1456 			return -EIO;  in reiserfs_rename()
1461 		reiserfs_prepare_for_journal(old_inode->i_sb, old_de.de_bh, 1);  in reiserfs_rename()
1466 		    reiserfs_find_entry(new_dir, new_dentry->d_name.name,  in reiserfs_rename()
1467 					new_dentry->d_name.len, &new_entry_path,  in reiserfs_rename()
1479 			reiserfs_write_unlock(old_dir->i_sb);  in reiserfs_rename()
1480 			return -EIO;  in reiserfs_rename()
1485 		reiserfs_prepare_for_journal(old_inode->i_sb, new_de.de_bh, 1);  in reiserfs_rename()
1487 		if (S_ISDIR(old_inode->i_mode)) {  in reiserfs_rename()
1489 			     search_by_entry_key(new_dir->i_sb,  in reiserfs_rename()
1497 				reiserfs_write_unlock(old_dir->i_sb);  in reiserfs_rename()
1498 				return -EIO;  in reiserfs_rename()
1503 			reiserfs_prepare_for_journal(old_inode->i_sb,  in reiserfs_rename()
1510 		 * should lock the buffers, yes?  -Hans  in reiserfs_rename()
1515 		 * have to be written to deal with multi-path  in reiserfs_rename()
1516 		 * issues -chris  in reiserfs_rename()
1519 		 * sanity checking before doing the rename - avoid races many  in reiserfs_rename()
1520 		 * of the above checks could have scheduled.  We have to be  in reiserfs_rename()
1524 		    !entry_points_to_object(new_dentry->d_name.name,  in reiserfs_rename()
1525 					    new_dentry->d_name.len,  in reiserfs_rename()
1528 		    !entry_points_to_object(old_dentry->d_name.name,  in reiserfs_rename()
1529 					    old_dentry->d_name.len,  in reiserfs_rename()
1531 			reiserfs_restore_prepared_buffer(old_inode->i_sb,  in reiserfs_rename()
1533 			reiserfs_restore_prepared_buffer(old_inode->i_sb,  in reiserfs_rename()
1536 				reiserfs_restore_prepared_buffer(old_inode->  in reiserfs_rename()
1546 				reiserfs_restore_prepared_buffer(old_inode->  in reiserfs_rename()
1549 				reiserfs_restore_prepared_buffer(old_inode->  in reiserfs_rename()
1552 				reiserfs_restore_prepared_buffer(old_inode->  in reiserfs_rename()
1567 	 * ok, all the changes can be done in one fell swoop when we  in reiserfs_rename()
1578 	old_dir->i_ctime = old_dir->i_mtime = ctime;  in reiserfs_rename()
1579 	new_dir->i_ctime = new_dir->i_mtime = ctime;  in reiserfs_rename()
1584 	old_inode->i_ctime = ctime;  in reiserfs_rename()
1588 		if (S_ISDIR(new_dentry_inode->i_mode)) {  in reiserfs_rename()
1593 		new_dentry_inode->i_ctime = ctime;  in reiserfs_rename()
1594 		savelink = new_dentry_inode->i_nlink;  in reiserfs_rename()
1609 		/* old directory lost one link - ".. " of renamed directory */  in reiserfs_rename()
1621 	 * anybody, but it will panic if will not be able to find the  in reiserfs_rename()
1627 		reiserfs_error(old_dir->i_sb, "vs-7060",  in reiserfs_rename()
1630 	old_dir->i_size -= DEH_SIZE + old_de.de_entrylen;  in reiserfs_rename()
1644 	reiserfs_write_unlock(old_dir->i_sb);  in reiserfs_rename()