11da177e4SLinus Torvalds /* 21da177e4SLinus Torvalds * linux/fs/hfsplus/catalog.c 31da177e4SLinus Torvalds * 41da177e4SLinus Torvalds * Copyright (C) 2001 51da177e4SLinus Torvalds * Brad Boyer (flar@allandria.com) 61da177e4SLinus Torvalds * (C) 2003 Ardis Technologies <roman@ardistech.com> 71da177e4SLinus Torvalds * 81da177e4SLinus Torvalds * Handling of catalog records 91da177e4SLinus Torvalds */ 101da177e4SLinus Torvalds 111da177e4SLinus Torvalds 121da177e4SLinus Torvalds #include "hfsplus_fs.h" 131da177e4SLinus Torvalds #include "hfsplus_raw.h" 141da177e4SLinus Torvalds 152179d372SDavid Elliott int hfsplus_cat_case_cmp_key(const hfsplus_btree_key *k1, 162179d372SDavid Elliott const hfsplus_btree_key *k2) 171da177e4SLinus Torvalds { 181da177e4SLinus Torvalds __be32 k1p, k2p; 191da177e4SLinus Torvalds 201da177e4SLinus Torvalds k1p = k1->cat.parent; 211da177e4SLinus Torvalds k2p = k2->cat.parent; 221da177e4SLinus Torvalds if (k1p != k2p) 231da177e4SLinus Torvalds return be32_to_cpu(k1p) < be32_to_cpu(k2p) ? -1 : 1; 241da177e4SLinus Torvalds 252179d372SDavid Elliott return hfsplus_strcasecmp(&k1->cat.name, &k2->cat.name); 262179d372SDavid Elliott } 272179d372SDavid Elliott 282179d372SDavid Elliott int hfsplus_cat_bin_cmp_key(const hfsplus_btree_key *k1, 292179d372SDavid Elliott const hfsplus_btree_key *k2) 302179d372SDavid Elliott { 312179d372SDavid Elliott __be32 k1p, k2p; 322179d372SDavid Elliott 332179d372SDavid Elliott k1p = k1->cat.parent; 342179d372SDavid Elliott k2p = k2->cat.parent; 352179d372SDavid Elliott if (k1p != k2p) 362179d372SDavid Elliott return be32_to_cpu(k1p) < be32_to_cpu(k2p) ? -1 : 1; 372179d372SDavid Elliott 382179d372SDavid Elliott return hfsplus_strcmp(&k1->cat.name, &k2->cat.name); 391da177e4SLinus Torvalds } 401da177e4SLinus Torvalds 411da177e4SLinus Torvalds void hfsplus_cat_build_key(struct super_block *sb, hfsplus_btree_key *key, 421da177e4SLinus Torvalds u32 parent, struct qstr *str) 431da177e4SLinus Torvalds { 441da177e4SLinus Torvalds int len; 451da177e4SLinus Torvalds 461da177e4SLinus Torvalds key->cat.parent = cpu_to_be32(parent); 471da177e4SLinus Torvalds if (str) { 481da177e4SLinus Torvalds hfsplus_asc2uni(sb, &key->cat.name, str->name, str->len); 491da177e4SLinus Torvalds len = be16_to_cpu(key->cat.name.length); 501da177e4SLinus Torvalds } else { 511da177e4SLinus Torvalds key->cat.name.length = 0; 521da177e4SLinus Torvalds len = 0; 531da177e4SLinus Torvalds } 541da177e4SLinus Torvalds key->key_len = cpu_to_be16(6 + 2 * len); 551da177e4SLinus Torvalds } 561da177e4SLinus Torvalds 571da177e4SLinus Torvalds static void hfsplus_cat_build_key_uni(hfsplus_btree_key *key, u32 parent, 581da177e4SLinus Torvalds struct hfsplus_unistr *name) 591da177e4SLinus Torvalds { 601da177e4SLinus Torvalds int ustrlen; 611da177e4SLinus Torvalds 621da177e4SLinus Torvalds ustrlen = be16_to_cpu(name->length); 631da177e4SLinus Torvalds key->cat.parent = cpu_to_be32(parent); 641da177e4SLinus Torvalds key->cat.name.length = cpu_to_be16(ustrlen); 651da177e4SLinus Torvalds ustrlen *= 2; 661da177e4SLinus Torvalds memcpy(key->cat.name.unicode, name->unicode, ustrlen); 671da177e4SLinus Torvalds key->key_len = cpu_to_be16(6 + ustrlen); 681da177e4SLinus Torvalds } 691da177e4SLinus Torvalds 7090e61690SChristoph Hellwig void hfsplus_cat_set_perms(struct inode *inode, struct hfsplus_perm *perms) 711da177e4SLinus Torvalds { 721da177e4SLinus Torvalds if (inode->i_flags & S_IMMUTABLE) 731da177e4SLinus Torvalds perms->rootflags |= HFSPLUS_FLG_IMMUTABLE; 741da177e4SLinus Torvalds else 751da177e4SLinus Torvalds perms->rootflags &= ~HFSPLUS_FLG_IMMUTABLE; 761da177e4SLinus Torvalds if (inode->i_flags & S_APPEND) 771da177e4SLinus Torvalds perms->rootflags |= HFSPLUS_FLG_APPEND; 781da177e4SLinus Torvalds else 791da177e4SLinus Torvalds perms->rootflags &= ~HFSPLUS_FLG_APPEND; 8090e61690SChristoph Hellwig 8190e61690SChristoph Hellwig perms->userflags = HFSPLUS_I(inode)->userflags; 821da177e4SLinus Torvalds perms->mode = cpu_to_be16(inode->i_mode); 831da177e4SLinus Torvalds perms->owner = cpu_to_be32(inode->i_uid); 841da177e4SLinus Torvalds perms->group = cpu_to_be32(inode->i_gid); 8590e61690SChristoph Hellwig 8690e61690SChristoph Hellwig if (S_ISREG(inode->i_mode)) 8790e61690SChristoph Hellwig perms->dev = cpu_to_be32(inode->i_nlink); 8890e61690SChristoph Hellwig else if (S_ISBLK(inode->i_mode) || S_ISCHR(inode->i_mode)) 8990e61690SChristoph Hellwig perms->dev = cpu_to_be32(inode->i_rdev); 9090e61690SChristoph Hellwig else 9190e61690SChristoph Hellwig perms->dev = 0; 921da177e4SLinus Torvalds } 931da177e4SLinus Torvalds 941da177e4SLinus Torvalds static int hfsplus_cat_build_record(hfsplus_cat_entry *entry, u32 cnid, struct inode *inode) 951da177e4SLinus Torvalds { 96dd73a01aSChristoph Hellwig struct hfsplus_sb_info *sbi = HFSPLUS_SB(inode->i_sb); 97dd73a01aSChristoph Hellwig 981da177e4SLinus Torvalds if (S_ISDIR(inode->i_mode)) { 991da177e4SLinus Torvalds struct hfsplus_cat_folder *folder; 1001da177e4SLinus Torvalds 1011da177e4SLinus Torvalds folder = &entry->folder; 1021da177e4SLinus Torvalds memset(folder, 0, sizeof(*folder)); 1031da177e4SLinus Torvalds folder->type = cpu_to_be16(HFSPLUS_FOLDER); 1041da177e4SLinus Torvalds folder->id = cpu_to_be32(inode->i_ino); 1056af502deSChristoph Hellwig HFSPLUS_I(inode)->create_date = 1069a4cad95SRoman Zippel folder->create_date = 1079a4cad95SRoman Zippel folder->content_mod_date = 1089a4cad95SRoman Zippel folder->attribute_mod_date = 1099a4cad95SRoman Zippel folder->access_date = hfsp_now2mt(); 11090e61690SChristoph Hellwig hfsplus_cat_set_perms(inode, &folder->permissions); 111dd73a01aSChristoph Hellwig if (inode == sbi->hidden_dir) 1121da177e4SLinus Torvalds /* invisible and namelocked */ 1131da177e4SLinus Torvalds folder->user_info.frFlags = cpu_to_be16(0x5000); 1141da177e4SLinus Torvalds return sizeof(*folder); 1151da177e4SLinus Torvalds } else { 1161da177e4SLinus Torvalds struct hfsplus_cat_file *file; 1171da177e4SLinus Torvalds 1181da177e4SLinus Torvalds file = &entry->file; 1191da177e4SLinus Torvalds memset(file, 0, sizeof(*file)); 1201da177e4SLinus Torvalds file->type = cpu_to_be16(HFSPLUS_FILE); 1211da177e4SLinus Torvalds file->flags = cpu_to_be16(HFSPLUS_FILE_THREAD_EXISTS); 1221da177e4SLinus Torvalds file->id = cpu_to_be32(cnid); 1236af502deSChristoph Hellwig HFSPLUS_I(inode)->create_date = 1249a4cad95SRoman Zippel file->create_date = 1259a4cad95SRoman Zippel file->content_mod_date = 1269a4cad95SRoman Zippel file->attribute_mod_date = 1279a4cad95SRoman Zippel file->access_date = hfsp_now2mt(); 1281da177e4SLinus Torvalds if (cnid == inode->i_ino) { 12990e61690SChristoph Hellwig hfsplus_cat_set_perms(inode, &file->permissions); 1306b192832SRoman Zippel if (S_ISLNK(inode->i_mode)) { 1316b192832SRoman Zippel file->user_info.fdType = cpu_to_be32(HFSP_SYMLINK_TYPE); 1326b192832SRoman Zippel file->user_info.fdCreator = cpu_to_be32(HFSP_SYMLINK_CREATOR); 1336b192832SRoman Zippel } else { 134dd73a01aSChristoph Hellwig file->user_info.fdType = cpu_to_be32(sbi->type); 135dd73a01aSChristoph Hellwig file->user_info.fdCreator = cpu_to_be32(sbi->creator); 1366b192832SRoman Zippel } 1371da177e4SLinus Torvalds if ((file->permissions.rootflags | file->permissions.userflags) & HFSPLUS_FLG_IMMUTABLE) 1381da177e4SLinus Torvalds file->flags |= cpu_to_be16(HFSPLUS_FILE_LOCKED); 1391da177e4SLinus Torvalds } else { 1401da177e4SLinus Torvalds file->user_info.fdType = cpu_to_be32(HFSP_HARDLINK_TYPE); 1411da177e4SLinus Torvalds file->user_info.fdCreator = cpu_to_be32(HFSP_HFSPLUS_CREATOR); 1421da177e4SLinus Torvalds file->user_info.fdFlags = cpu_to_be16(0x100); 1436af502deSChristoph Hellwig file->create_date = HFSPLUS_I(sbi->hidden_dir)->create_date; 144f6089ff8SChristoph Hellwig file->permissions.dev = cpu_to_be32(HFSPLUS_I(inode)->linkid); 1451da177e4SLinus Torvalds } 1461da177e4SLinus Torvalds return sizeof(*file); 1471da177e4SLinus Torvalds } 1481da177e4SLinus Torvalds } 1491da177e4SLinus Torvalds 1501da177e4SLinus Torvalds static int hfsplus_fill_cat_thread(struct super_block *sb, 1511da177e4SLinus Torvalds hfsplus_cat_entry *entry, int type, 1521da177e4SLinus Torvalds u32 parentid, struct qstr *str) 1531da177e4SLinus Torvalds { 1541da177e4SLinus Torvalds entry->type = cpu_to_be16(type); 1551da177e4SLinus Torvalds entry->thread.reserved = 0; 1561da177e4SLinus Torvalds entry->thread.parentID = cpu_to_be32(parentid); 1571da177e4SLinus Torvalds hfsplus_asc2uni(sb, &entry->thread.nodeName, str->name, str->len); 1581da177e4SLinus Torvalds return 10 + be16_to_cpu(entry->thread.nodeName.length) * 2; 1591da177e4SLinus Torvalds } 1601da177e4SLinus Torvalds 1611da177e4SLinus Torvalds /* Try to get a catalog entry for given catalog id */ 1621da177e4SLinus Torvalds int hfsplus_find_cat(struct super_block *sb, u32 cnid, 1631da177e4SLinus Torvalds struct hfs_find_data *fd) 1641da177e4SLinus Torvalds { 1651da177e4SLinus Torvalds hfsplus_cat_entry tmp; 1661da177e4SLinus Torvalds int err; 1671da177e4SLinus Torvalds u16 type; 1681da177e4SLinus Torvalds 1691da177e4SLinus Torvalds hfsplus_cat_build_key(sb, fd->search_key, cnid, NULL); 1701da177e4SLinus Torvalds err = hfs_brec_read(fd, &tmp, sizeof(hfsplus_cat_entry)); 1711da177e4SLinus Torvalds if (err) 1721da177e4SLinus Torvalds return err; 1731da177e4SLinus Torvalds 1741da177e4SLinus Torvalds type = be16_to_cpu(tmp.type); 1751da177e4SLinus Torvalds if (type != HFSPLUS_FOLDER_THREAD && type != HFSPLUS_FILE_THREAD) { 176634725a9SRoman Zippel printk(KERN_ERR "hfs: found bad thread record in catalog\n"); 1771da177e4SLinus Torvalds return -EIO; 1781da177e4SLinus Torvalds } 1791da177e4SLinus Torvalds 180efc7ffcbSEric Sesterhenn if (be16_to_cpu(tmp.thread.nodeName.length) > 255) { 181efc7ffcbSEric Sesterhenn printk(KERN_ERR "hfs: catalog name length corrupted\n"); 182efc7ffcbSEric Sesterhenn return -EIO; 183efc7ffcbSEric Sesterhenn } 184efc7ffcbSEric Sesterhenn 1851da177e4SLinus Torvalds hfsplus_cat_build_key_uni(fd->search_key, be32_to_cpu(tmp.thread.parentID), 1861da177e4SLinus Torvalds &tmp.thread.nodeName); 1871da177e4SLinus Torvalds return hfs_brec_find(fd); 1881da177e4SLinus Torvalds } 1891da177e4SLinus Torvalds 1901da177e4SLinus Torvalds int hfsplus_create_cat(u32 cnid, struct inode *dir, struct qstr *str, struct inode *inode) 1911da177e4SLinus Torvalds { 192dd73a01aSChristoph Hellwig struct super_block *sb = dir->i_sb; 1931da177e4SLinus Torvalds struct hfs_find_data fd; 1941da177e4SLinus Torvalds hfsplus_cat_entry entry; 1951da177e4SLinus Torvalds int entry_size; 1961da177e4SLinus Torvalds int err; 1971da177e4SLinus Torvalds 1981da177e4SLinus Torvalds dprint(DBG_CAT_MOD, "create_cat: %s,%u(%d)\n", str->name, cnid, inode->i_nlink); 199dd73a01aSChristoph Hellwig hfs_find_init(HFSPLUS_SB(sb)->cat_tree, &fd); 2001da177e4SLinus Torvalds 2011da177e4SLinus Torvalds hfsplus_cat_build_key(sb, fd.search_key, cnid, NULL); 2021da177e4SLinus Torvalds entry_size = hfsplus_fill_cat_thread(sb, &entry, S_ISDIR(inode->i_mode) ? 2031da177e4SLinus Torvalds HFSPLUS_FOLDER_THREAD : HFSPLUS_FILE_THREAD, 2041da177e4SLinus Torvalds dir->i_ino, str); 2051da177e4SLinus Torvalds err = hfs_brec_find(&fd); 2061da177e4SLinus Torvalds if (err != -ENOENT) { 2071da177e4SLinus Torvalds if (!err) 2081da177e4SLinus Torvalds err = -EEXIST; 2091da177e4SLinus Torvalds goto err2; 2101da177e4SLinus Torvalds } 2111da177e4SLinus Torvalds err = hfs_brec_insert(&fd, &entry, entry_size); 2121da177e4SLinus Torvalds if (err) 2131da177e4SLinus Torvalds goto err2; 2141da177e4SLinus Torvalds 2151da177e4SLinus Torvalds hfsplus_cat_build_key(sb, fd.search_key, dir->i_ino, str); 2161da177e4SLinus Torvalds entry_size = hfsplus_cat_build_record(&entry, cnid, inode); 2171da177e4SLinus Torvalds err = hfs_brec_find(&fd); 2181da177e4SLinus Torvalds if (err != -ENOENT) { 2191da177e4SLinus Torvalds /* panic? */ 2201da177e4SLinus Torvalds if (!err) 2211da177e4SLinus Torvalds err = -EEXIST; 2221da177e4SLinus Torvalds goto err1; 2231da177e4SLinus Torvalds } 2241da177e4SLinus Torvalds err = hfs_brec_insert(&fd, &entry, entry_size); 2251da177e4SLinus Torvalds if (err) 2261da177e4SLinus Torvalds goto err1; 2271da177e4SLinus Torvalds 2281da177e4SLinus Torvalds dir->i_size++; 2291da177e4SLinus Torvalds dir->i_mtime = dir->i_ctime = CURRENT_TIME_SEC; 230e3494705SChristoph Hellwig hfsplus_mark_inode_dirty(dir, HFSPLUS_I_CAT_DIRTY); 231e3494705SChristoph Hellwig 2321da177e4SLinus Torvalds hfs_find_exit(&fd); 2331da177e4SLinus Torvalds return 0; 2341da177e4SLinus Torvalds 2351da177e4SLinus Torvalds err1: 2361da177e4SLinus Torvalds hfsplus_cat_build_key(sb, fd.search_key, cnid, NULL); 2371da177e4SLinus Torvalds if (!hfs_brec_find(&fd)) 2381da177e4SLinus Torvalds hfs_brec_remove(&fd); 2391da177e4SLinus Torvalds err2: 2401da177e4SLinus Torvalds hfs_find_exit(&fd); 2411da177e4SLinus Torvalds return err; 2421da177e4SLinus Torvalds } 2431da177e4SLinus Torvalds 2441da177e4SLinus Torvalds int hfsplus_delete_cat(u32 cnid, struct inode *dir, struct qstr *str) 2451da177e4SLinus Torvalds { 246dd73a01aSChristoph Hellwig struct super_block *sb = dir->i_sb; 2471da177e4SLinus Torvalds struct hfs_find_data fd; 2481da177e4SLinus Torvalds struct hfsplus_fork_raw fork; 2491da177e4SLinus Torvalds struct list_head *pos; 2501da177e4SLinus Torvalds int err, off; 2511da177e4SLinus Torvalds u16 type; 2521da177e4SLinus Torvalds 2531da177e4SLinus Torvalds dprint(DBG_CAT_MOD, "delete_cat: %s,%u\n", str ? str->name : NULL, cnid); 254dd73a01aSChristoph Hellwig hfs_find_init(HFSPLUS_SB(sb)->cat_tree, &fd); 2551da177e4SLinus Torvalds 2561da177e4SLinus Torvalds if (!str) { 2571da177e4SLinus Torvalds int len; 2581da177e4SLinus Torvalds 2591da177e4SLinus Torvalds hfsplus_cat_build_key(sb, fd.search_key, cnid, NULL); 2601da177e4SLinus Torvalds err = hfs_brec_find(&fd); 2611da177e4SLinus Torvalds if (err) 2621da177e4SLinus Torvalds goto out; 2631da177e4SLinus Torvalds 2641da177e4SLinus Torvalds off = fd.entryoffset + offsetof(struct hfsplus_cat_thread, nodeName); 2651da177e4SLinus Torvalds fd.search_key->cat.parent = cpu_to_be32(dir->i_ino); 2661da177e4SLinus Torvalds hfs_bnode_read(fd.bnode, &fd.search_key->cat.name.length, off, 2); 2671da177e4SLinus Torvalds len = be16_to_cpu(fd.search_key->cat.name.length) * 2; 2681da177e4SLinus Torvalds hfs_bnode_read(fd.bnode, &fd.search_key->cat.name.unicode, off + 2, len); 2691da177e4SLinus Torvalds fd.search_key->key_len = cpu_to_be16(6 + len); 2701da177e4SLinus Torvalds } else 2711da177e4SLinus Torvalds hfsplus_cat_build_key(sb, fd.search_key, dir->i_ino, str); 2721da177e4SLinus Torvalds 2731da177e4SLinus Torvalds err = hfs_brec_find(&fd); 2741da177e4SLinus Torvalds if (err) 2751da177e4SLinus Torvalds goto out; 2761da177e4SLinus Torvalds 2771da177e4SLinus Torvalds type = hfs_bnode_read_u16(fd.bnode, fd.entryoffset); 2781da177e4SLinus Torvalds if (type == HFSPLUS_FILE) { 2791da177e4SLinus Torvalds #if 0 2801da177e4SLinus Torvalds off = fd.entryoffset + offsetof(hfsplus_cat_file, data_fork); 2811da177e4SLinus Torvalds hfs_bnode_read(fd.bnode, &fork, off, sizeof(fork)); 2821da177e4SLinus Torvalds hfsplus_free_fork(sb, cnid, &fork, HFSPLUS_TYPE_DATA); 2831da177e4SLinus Torvalds #endif 2841da177e4SLinus Torvalds 2851da177e4SLinus Torvalds off = fd.entryoffset + offsetof(struct hfsplus_cat_file, rsrc_fork); 2861da177e4SLinus Torvalds hfs_bnode_read(fd.bnode, &fork, off, sizeof(fork)); 2871da177e4SLinus Torvalds hfsplus_free_fork(sb, cnid, &fork, HFSPLUS_TYPE_RSRC); 2881da177e4SLinus Torvalds } 2891da177e4SLinus Torvalds 2906af502deSChristoph Hellwig list_for_each(pos, &HFSPLUS_I(dir)->open_dir_list) { 2911da177e4SLinus Torvalds struct hfsplus_readdir_data *rd = 2921da177e4SLinus Torvalds list_entry(pos, struct hfsplus_readdir_data, list); 2931da177e4SLinus Torvalds if (fd.tree->keycmp(fd.search_key, (void *)&rd->key) < 0) 2941da177e4SLinus Torvalds rd->file->f_pos--; 2951da177e4SLinus Torvalds } 2961da177e4SLinus Torvalds 2971da177e4SLinus Torvalds err = hfs_brec_remove(&fd); 2981da177e4SLinus Torvalds if (err) 2991da177e4SLinus Torvalds goto out; 3001da177e4SLinus Torvalds 3011da177e4SLinus Torvalds hfsplus_cat_build_key(sb, fd.search_key, cnid, NULL); 3021da177e4SLinus Torvalds err = hfs_brec_find(&fd); 3031da177e4SLinus Torvalds if (err) 3041da177e4SLinus Torvalds goto out; 3051da177e4SLinus Torvalds 3061da177e4SLinus Torvalds err = hfs_brec_remove(&fd); 3071da177e4SLinus Torvalds if (err) 3081da177e4SLinus Torvalds goto out; 3091da177e4SLinus Torvalds 3101da177e4SLinus Torvalds dir->i_size--; 3111da177e4SLinus Torvalds dir->i_mtime = dir->i_ctime = CURRENT_TIME_SEC; 312e3494705SChristoph Hellwig hfsplus_mark_inode_dirty(dir, HFSPLUS_I_CAT_DIRTY); 3131da177e4SLinus Torvalds out: 3141da177e4SLinus Torvalds hfs_find_exit(&fd); 3151da177e4SLinus Torvalds 3161da177e4SLinus Torvalds return err; 3171da177e4SLinus Torvalds } 3181da177e4SLinus Torvalds 3191da177e4SLinus Torvalds int hfsplus_rename_cat(u32 cnid, 3201da177e4SLinus Torvalds struct inode *src_dir, struct qstr *src_name, 3211da177e4SLinus Torvalds struct inode *dst_dir, struct qstr *dst_name) 3221da177e4SLinus Torvalds { 323dd73a01aSChristoph Hellwig struct super_block *sb = src_dir->i_sb; 3241da177e4SLinus Torvalds struct hfs_find_data src_fd, dst_fd; 3251da177e4SLinus Torvalds hfsplus_cat_entry entry; 3261da177e4SLinus Torvalds int entry_size, type; 3271da177e4SLinus Torvalds int err = 0; 3281da177e4SLinus Torvalds 3291da177e4SLinus Torvalds dprint(DBG_CAT_MOD, "rename_cat: %u - %lu,%s - %lu,%s\n", cnid, src_dir->i_ino, src_name->name, 3301da177e4SLinus Torvalds dst_dir->i_ino, dst_name->name); 331dd73a01aSChristoph Hellwig hfs_find_init(HFSPLUS_SB(sb)->cat_tree, &src_fd); 3321da177e4SLinus Torvalds dst_fd = src_fd; 3331da177e4SLinus Torvalds 3341da177e4SLinus Torvalds /* find the old dir entry and read the data */ 3351da177e4SLinus Torvalds hfsplus_cat_build_key(sb, src_fd.search_key, src_dir->i_ino, src_name); 3361da177e4SLinus Torvalds err = hfs_brec_find(&src_fd); 3371da177e4SLinus Torvalds if (err) 3381da177e4SLinus Torvalds goto out; 3391da177e4SLinus Torvalds 3401da177e4SLinus Torvalds hfs_bnode_read(src_fd.bnode, &entry, src_fd.entryoffset, 3411da177e4SLinus Torvalds src_fd.entrylength); 3421da177e4SLinus Torvalds 3431da177e4SLinus Torvalds /* create new dir entry with the data from the old entry */ 3441da177e4SLinus Torvalds hfsplus_cat_build_key(sb, dst_fd.search_key, dst_dir->i_ino, dst_name); 3451da177e4SLinus Torvalds err = hfs_brec_find(&dst_fd); 3461da177e4SLinus Torvalds if (err != -ENOENT) { 3471da177e4SLinus Torvalds if (!err) 3481da177e4SLinus Torvalds err = -EEXIST; 3491da177e4SLinus Torvalds goto out; 3501da177e4SLinus Torvalds } 3511da177e4SLinus Torvalds 3521da177e4SLinus Torvalds err = hfs_brec_insert(&dst_fd, &entry, src_fd.entrylength); 3531da177e4SLinus Torvalds if (err) 3541da177e4SLinus Torvalds goto out; 3551da177e4SLinus Torvalds dst_dir->i_size++; 3561da177e4SLinus Torvalds dst_dir->i_mtime = dst_dir->i_ctime = CURRENT_TIME_SEC; 3571da177e4SLinus Torvalds 3581da177e4SLinus Torvalds /* finally remove the old entry */ 3591da177e4SLinus Torvalds hfsplus_cat_build_key(sb, src_fd.search_key, src_dir->i_ino, src_name); 3601da177e4SLinus Torvalds err = hfs_brec_find(&src_fd); 3611da177e4SLinus Torvalds if (err) 3621da177e4SLinus Torvalds goto out; 3631da177e4SLinus Torvalds err = hfs_brec_remove(&src_fd); 3641da177e4SLinus Torvalds if (err) 3651da177e4SLinus Torvalds goto out; 3661da177e4SLinus Torvalds src_dir->i_size--; 3671da177e4SLinus Torvalds src_dir->i_mtime = src_dir->i_ctime = CURRENT_TIME_SEC; 3681da177e4SLinus Torvalds 3691da177e4SLinus Torvalds /* remove old thread entry */ 3701da177e4SLinus Torvalds hfsplus_cat_build_key(sb, src_fd.search_key, cnid, NULL); 3711da177e4SLinus Torvalds err = hfs_brec_find(&src_fd); 3721da177e4SLinus Torvalds if (err) 3731da177e4SLinus Torvalds goto out; 3741da177e4SLinus Torvalds type = hfs_bnode_read_u16(src_fd.bnode, src_fd.entryoffset); 3751da177e4SLinus Torvalds err = hfs_brec_remove(&src_fd); 3761da177e4SLinus Torvalds if (err) 3771da177e4SLinus Torvalds goto out; 3781da177e4SLinus Torvalds 3791da177e4SLinus Torvalds /* create new thread entry */ 3801da177e4SLinus Torvalds hfsplus_cat_build_key(sb, dst_fd.search_key, cnid, NULL); 3811da177e4SLinus Torvalds entry_size = hfsplus_fill_cat_thread(sb, &entry, type, dst_dir->i_ino, dst_name); 3821da177e4SLinus Torvalds err = hfs_brec_find(&dst_fd); 3831da177e4SLinus Torvalds if (err != -ENOENT) { 3841da177e4SLinus Torvalds if (!err) 3851da177e4SLinus Torvalds err = -EEXIST; 3861da177e4SLinus Torvalds goto out; 3871da177e4SLinus Torvalds } 3881da177e4SLinus Torvalds err = hfs_brec_insert(&dst_fd, &entry, entry_size); 389e3494705SChristoph Hellwig 390e3494705SChristoph Hellwig hfsplus_mark_inode_dirty(dst_dir, HFSPLUS_I_CAT_DIRTY); 391e3494705SChristoph Hellwig hfsplus_mark_inode_dirty(src_dir, HFSPLUS_I_CAT_DIRTY); 3921da177e4SLinus Torvalds out: 3931da177e4SLinus Torvalds hfs_bnode_put(dst_fd.bnode); 3941da177e4SLinus Torvalds hfs_find_exit(&src_fd); 3951da177e4SLinus Torvalds return err; 3961da177e4SLinus Torvalds } 397