Lines Matching refs:dir
294 static struct buffer_head * ext4_dx_find_entry(struct inode *dir,
298 struct inode *dir, struct inode *inode);
577 static inline unsigned dx_root_limit(struct inode *dir, unsigned infosize) in dx_root_limit() argument
579 unsigned int entry_space = dir->i_sb->s_blocksize - in dx_root_limit()
583 if (ext4_has_feature_metadata_csum(dir->i_sb)) in dx_root_limit()
588 static inline unsigned dx_node_limit(struct inode *dir) in dx_node_limit() argument
590 unsigned int entry_space = dir->i_sb->s_blocksize - in dx_node_limit()
591 ext4_dir_rec_len(0, dir); in dx_node_limit()
593 if (ext4_has_feature_metadata_csum(dir->i_sb)) in dx_node_limit()
621 static struct stats dx_show_leaf(struct inode *dir, in dx_show_leaf() argument
646 if (!IS_ENCRYPTED(dir)) { in dx_show_leaf()
648 (void) ext4fs_dirhash(dir, de->name, in dx_show_leaf()
666 res = fscrypt_fname_disk_to_usr(dir, in dx_show_leaf()
680 if (IS_CASEFOLDED(dir)) in dx_show_leaf()
683 (void) ext4fs_dirhash(dir, in dx_show_leaf()
695 (void) ext4fs_dirhash(dir, de->name, in dx_show_leaf()
701 space += ext4_dir_rec_len(de->name_len, dir); in dx_show_leaf()
710 struct stats dx_show_entries(struct dx_hash_info *hinfo, struct inode *dir, in dx_show_entries() argument
713 unsigned blocksize = dir->i_sb->s_blocksize; in dx_show_entries()
725 bh = ext4_bread(NULL,dir, block, 0); in dx_show_entries()
729 dx_show_entries(hinfo, dir, ((struct dx_node *) bh->b_data)->entries, levels - 1): in dx_show_entries()
730 dx_show_leaf(dir, hinfo, (struct ext4_dir_entry_2 *) in dx_show_entries()
778 dx_probe(struct ext4_filename *fname, struct inode *dir, in dx_probe() argument
791 frame->bh = ext4_read_dirblock(dir, 0, INDEX); in dx_probe()
800 ext4_warning_inode(dir, "Unrecognised inode hash code %u", in dx_probe()
804 if (ext4_hash_in_dirent(dir)) { in dx_probe()
806 ext4_warning_inode(dir, in dx_probe()
812 ext4_warning_inode(dir, in dx_probe()
821 hinfo->hash_version += EXT4_SB(dir->i_sb)->s_hash_unsigned; in dx_probe()
822 hinfo->seed = EXT4_SB(dir->i_sb)->s_hash_seed; in dx_probe()
825 !(IS_ENCRYPTED(dir) && IS_CASEFOLDED(dir))) { in dx_probe()
826 int ret = ext4fs_dirhash(dir, fname_name(fname), in dx_probe()
836 ext4_warning_inode(dir, "Unimplemented hash flags: %#06x", in dx_probe()
842 if (indirect >= ext4_dir_htree_level(dir->i_sb)) { in dx_probe()
843 ext4_warning(dir->i_sb, in dx_probe()
845 "supported value", dir->i_ino, in dx_probe()
846 ext4_dir_htree_level(dir->i_sb)); in dx_probe()
847 if (ext4_dir_htree_level(dir->i_sb) < EXT4_HTREE_LEVEL) { in dx_probe()
848 ext4_warning(dir->i_sb, "Enable large directory " in dx_probe()
857 if (dx_get_limit(entries) != dx_root_limit(dir, in dx_probe()
859 ext4_warning_inode(dir, "dx entry: limit %u != root limit %u", in dx_probe()
861 dx_root_limit(dir, root->info.info_length)); in dx_probe()
871 ext4_warning_inode(dir, in dx_probe()
900 ext4_warning_inode(dir, in dx_probe()
910 frame->bh = ext4_read_dirblock(dir, block, INDEX); in dx_probe()
919 if (dx_get_limit(entries) != dx_node_limit(dir)) { in dx_probe()
920 ext4_warning_inode(dir, in dx_probe()
922 dx_get_limit(entries), dx_node_limit(dir)); in dx_probe()
933 ext4_warning_inode(dir, in dx_probe()
975 static int ext4_htree_next_block(struct inode *dir, __u32 hash, in ext4_htree_next_block() argument
1021 bh = ext4_read_dirblock(dir, dx_get_block(p->at), INDEX); in ext4_htree_next_block()
1039 struct inode *dir, ext4_lblk_t block, in htree_dirblock_to_tree() argument
1047 int csum = ext4_has_feature_metadata_csum(dir->i_sb); in htree_dirblock_to_tree()
1051 bh = ext4_read_dirblock(dir, block, DIRENT_HTREE); in htree_dirblock_to_tree()
1058 dir->i_sb->s_blocksize - in htree_dirblock_to_tree()
1060 csum ? NULL : dir)); in htree_dirblock_to_tree()
1062 if (IS_ENCRYPTED(dir)) { in htree_dirblock_to_tree()
1063 err = fscrypt_prepare_readdir(dir); in htree_dirblock_to_tree()
1076 for (; de < top; de = ext4_next_entry(de, dir->i_sb->s_blocksize)) { in htree_dirblock_to_tree()
1077 if (ext4_check_dir_entry(dir, NULL, de, bh, in htree_dirblock_to_tree()
1079 (block<<EXT4_BLOCK_SIZE_BITS(dir->i_sb)) in htree_dirblock_to_tree()
1084 if (ext4_hash_in_dirent(dir)) { in htree_dirblock_to_tree()
1093 err = ext4fs_dirhash(dir, de->name, in htree_dirblock_to_tree()
1106 if (!IS_ENCRYPTED(dir)) { in htree_dirblock_to_tree()
1118 err = fscrypt_fname_disk_to_usr(dir, hinfo->hash, in htree_dirblock_to_tree()
1157 struct inode *dir; in ext4_htree_fill_tree() local
1166 dir = file_inode(dir_file); in ext4_htree_fill_tree()
1167 if (!(ext4_test_inode_flag(dir, EXT4_INODE_INDEX))) { in ext4_htree_fill_tree()
1168 if (ext4_hash_in_dirent(dir)) in ext4_htree_fill_tree()
1172 EXT4_SB(dir->i_sb)->s_def_hash_version; in ext4_htree_fill_tree()
1175 EXT4_SB(dir->i_sb)->s_hash_unsigned; in ext4_htree_fill_tree()
1176 hinfo.seed = EXT4_SB(dir->i_sb)->s_hash_seed; in ext4_htree_fill_tree()
1177 if (ext4_has_inline_data(dir)) { in ext4_htree_fill_tree()
1179 count = ext4_inlinedir_to_tree(dir_file, dir, 0, in ext4_htree_fill_tree()
1188 count = htree_dirblock_to_tree(dir_file, dir, 0, &hinfo, in ext4_htree_fill_tree()
1195 frame = dx_probe(NULL, dir, &hinfo, frames); in ext4_htree_fill_tree()
1212 de = ext4_next_entry(de, dir->i_sb->s_blocksize); in ext4_htree_fill_tree()
1229 ret = htree_dirblock_to_tree(dir_file, dir, block, &hinfo, in ext4_htree_fill_tree()
1237 ret = ext4_htree_next_block(dir, HASH_NB_ALWAYS, in ext4_htree_fill_tree()
1263 struct inode *dir, in search_dirblock() argument
1268 return ext4_search_dir(bh, bh->b_data, dir->i_sb->s_blocksize, dir, in search_dirblock()
1280 static int dx_make_map(struct inode *dir, struct buffer_head *bh, in dx_make_map() argument
1289 int blocksize = EXT4_BLOCK_SIZE(dir->i_sb); in dx_make_map()
1291 if (ext4_has_feature_metadata_csum(dir->i_sb)) in dx_make_map()
1295 if (ext4_check_dir_entry(dir, NULL, de, bh, base, buflen, in dx_make_map()
1299 if (ext4_hash_in_dirent(dir)) in dx_make_map()
1302 int err = ext4fs_dirhash(dir, de->name, in dx_make_map()
1362 int ext4_fname_setup_ci_filename(struct inode *dir, const struct qstr *iname, in ext4_fname_setup_ci_filename() argument
1370 if (!IS_CASEFOLDED(dir) || in ext4_fname_setup_ci_filename()
1371 (IS_ENCRYPTED(dir) && !fscrypt_has_encryption_key(dir))) { in ext4_fname_setup_ci_filename()
1380 len = utf8_casefold(dir->i_sb->s_encoding, iname, buf, EXT4_NAME_LEN); in ext4_fname_setup_ci_filename()
1388 if (!IS_ENCRYPTED(dir)) in ext4_fname_setup_ci_filename()
1394 return ext4fs_dirhash(dir, cf_name->name, cf_name->len, hinfo); in ext4_fname_setup_ci_filename()
1396 return ext4fs_dirhash(dir, iname->name, iname->len, hinfo); in ext4_fname_setup_ci_filename()
1457 struct inode *dir, struct ext4_filename *fname, in ext4_search_dir() argument
1470 ext4_match(dir, fname, de)) { in ext4_search_dir()
1473 if (ext4_check_dir_entry(dir, NULL, de, bh, search_buf, in ext4_search_dir()
1481 dir->i_sb->s_blocksize); in ext4_search_dir()
1490 static int is_dx_internal_node(struct inode *dir, ext4_lblk_t block, in is_dx_internal_node() argument
1493 struct super_block *sb = dir->i_sb; in is_dx_internal_node()
1495 if (!is_dx(dir)) in is_dx_internal_node()
1517 static struct buffer_head *__ext4_find_entry(struct inode *dir, in __ext4_find_entry() argument
1535 sb = dir->i_sb; in __ext4_find_entry()
1540 if (ext4_has_inline_data(dir)) { in __ext4_find_entry()
1542 ret = ext4_find_inline_entry(dir, fname, res_dir, in __ext4_find_entry()
1560 if (is_dx(dir)) { in __ext4_find_entry()
1561 ret = ext4_dx_find_entry(dir, fname, res_dir); in __ext4_find_entry()
1570 else if (!sb_no_casefold_compat_fallback(dir->i_sb) && in __ext4_find_entry()
1571 *res_dir == NULL && IS_CASEFOLDED(dir)) in __ext4_find_entry()
1578 nblocks = dir->i_size >> EXT4_BLOCK_SIZE_BITS(sb); in __ext4_find_entry()
1583 start = EXT4_I(dir)->i_dir_start_lookup; in __ext4_find_entry()
1601 retval = ext4_bread_batch(dir, block, ra_max, in __ext4_find_entry()
1613 EXT4_ERROR_INODE_ERR(dir, EIO, in __ext4_find_entry()
1621 !is_dx_internal_node(dir, block, in __ext4_find_entry()
1623 !ext4_dirblock_csum_verify(dir, bh)) { in __ext4_find_entry()
1624 EXT4_ERROR_INODE_ERR(dir, EFSBADCRC, in __ext4_find_entry()
1632 i = search_dirblock(bh, dir, fname, in __ext4_find_entry()
1635 EXT4_I(dir)->i_dir_start_lookup = block; in __ext4_find_entry()
1655 nblocks = dir->i_size >> EXT4_BLOCK_SIZE_BITS(sb); in __ext4_find_entry()
1668 static struct buffer_head *ext4_find_entry(struct inode *dir, in ext4_find_entry() argument
1677 err = ext4_fname_setup_filename(dir, d_name, 1, &fname); in ext4_find_entry()
1683 bh = __ext4_find_entry(dir, &fname, res_dir, inlined); in ext4_find_entry()
1689 static struct buffer_head *ext4_lookup_entry(struct inode *dir, in ext4_lookup_entry() argument
1697 err = ext4_fname_prepare_lookup(dir, dentry, &fname); in ext4_lookup_entry()
1703 bh = __ext4_find_entry(dir, &fname, res_dir, NULL); in ext4_lookup_entry()
1709 static struct buffer_head * ext4_dx_find_entry(struct inode *dir, in ext4_dx_find_entry() argument
1713 struct super_block * sb = dir->i_sb; in ext4_dx_find_entry()
1722 frame = dx_probe(fname, dir, NULL, frames); in ext4_dx_find_entry()
1727 bh = ext4_read_dirblock(dir, block, DIRENT_HTREE); in ext4_dx_find_entry()
1731 retval = search_dirblock(bh, dir, fname, in ext4_dx_find_entry()
1743 retval = ext4_htree_next_block(dir, fname->hinfo.hash, frame, in ext4_dx_find_entry()
1746 ext4_warning_inode(dir, in ext4_dx_find_entry()
1762 static struct dentry *ext4_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags) in ext4_lookup() argument
1771 bh = ext4_lookup_entry(dir, dentry, &de); in ext4_lookup()
1778 if (!ext4_valid_inum(dir->i_sb, ino)) { in ext4_lookup()
1779 EXT4_ERROR_INODE(dir, "bad inode number: %u", ino); in ext4_lookup()
1782 if (unlikely(ino == dir->i_ino)) { in ext4_lookup()
1783 EXT4_ERROR_INODE(dir, "'%pd' linked to parent dir", in ext4_lookup()
1787 inode = ext4_iget(dir->i_sb, ino, EXT4_IGET_NORMAL); in ext4_lookup()
1789 EXT4_ERROR_INODE(dir, in ext4_lookup()
1794 if (!IS_ERR(inode) && IS_ENCRYPTED(dir) && in ext4_lookup()
1796 !fscrypt_has_permitted_context(dir, inode)) { in ext4_lookup()
1799 dir->i_ino, inode->i_ino); in ext4_lookup()
1805 if (IS_ENABLED(CONFIG_UNICODE) && !inode && IS_CASEFOLDED(dir)) { in ext4_lookup()
1846 dx_move_dirents(struct inode *dir, char *from, char *to, in dx_move_dirents() argument
1855 rec_len = ext4_dir_rec_len(de->name_len, dir); in dx_move_dirents()
1878 static struct ext4_dir_entry_2 *dx_pack_dirents(struct inode *dir, char *base, in dx_pack_dirents() argument
1888 rec_len = ext4_dir_rec_len(de->name_len, dir); in dx_pack_dirents()
1905 static struct ext4_dir_entry_2 *do_split(handle_t *handle, struct inode *dir, in do_split() argument
1909 unsigned blocksize = dir->i_sb->s_blocksize; in do_split()
1922 if (ext4_has_feature_metadata_csum(dir->i_sb)) in do_split()
1925 bh2 = ext4_append(handle, dir, &newblock); in do_split()
1933 err = ext4_journal_get_write_access(handle, dir->i_sb, *bh, in do_split()
1939 err = ext4_journal_get_write_access(handle, dir->i_sb, frame->bh, in do_split()
1948 count = dx_make_map(dir, *bh, hinfo, map); in do_split()
1979 ext4_error_inode_block(dir, (*bh)->b_blocknr, 0, in do_split()
1993 de2 = dx_move_dirents(dir, data1, data2, map + split, count - split, in do_split()
1995 de = dx_pack_dirents(dir, data1, blocksize); in do_split()
2007 dxtrace(dx_show_leaf(dir, hinfo, (struct ext4_dir_entry_2 *) data1, in do_split()
2009 dxtrace(dx_show_leaf(dir, hinfo, (struct ext4_dir_entry_2 *) data2, in do_split()
2018 err = ext4_handle_dirty_dirblock(handle, dir, bh2); in do_split()
2021 err = ext4_handle_dirty_dx_node(handle, dir, frame->bh); in do_split()
2029 ext4_std_error(dir->i_sb, err); in do_split()
2037 int ext4_find_dest_de(struct inode *dir, struct buffer_head *bh, in ext4_find_dest_de() argument
2043 unsigned short reclen = ext4_dir_rec_len(fname_len(fname), dir); in ext4_find_dest_de()
2051 if (ext4_check_dir_entry(dir, NULL, de, bh, in ext4_find_dest_de()
2054 if (ext4_match(dir, fname, de)) in ext4_find_dest_de()
2056 nlen = ext4_dir_rec_len(de->name_len, dir); in ext4_find_dest_de()
2070 void ext4_insert_dentry(struct inode *dir, in ext4_insert_dentry() argument
2079 nlen = ext4_dir_rec_len(de->name_len, dir); in ext4_insert_dentry()
2093 if (ext4_hash_in_dirent(dir)) { in ext4_insert_dentry()
2111 struct inode *dir, in add_dirent_to_buf() argument
2115 unsigned int blocksize = dir->i_sb->s_blocksize; in add_dirent_to_buf()
2123 err = ext4_find_dest_de(dir, bh, bh->b_data, in add_dirent_to_buf()
2129 err = ext4_journal_get_write_access(handle, dir->i_sb, bh, in add_dirent_to_buf()
2132 ext4_std_error(dir->i_sb, err); in add_dirent_to_buf()
2137 ext4_insert_dentry(dir, inode, de, blocksize, fname); in add_dirent_to_buf()
2150 inode_set_mtime_to_ts(dir, inode_set_ctime_current(dir)); in add_dirent_to_buf()
2151 ext4_update_dx_flag(dir); in add_dirent_to_buf()
2152 inode_inc_iversion(dir); in add_dirent_to_buf()
2153 err2 = ext4_mark_inode_dirty(handle, dir); in add_dirent_to_buf()
2155 err = ext4_handle_dirty_dirblock(handle, dir, bh); in add_dirent_to_buf()
2157 ext4_std_error(dir->i_sb, err); in add_dirent_to_buf()
2161 static bool ext4_check_dx_root(struct inode *dir, struct dx_root *root) in ext4_check_dx_root() argument
2166 unsigned int blocksize = dir->i_sb->s_blocksize; in ext4_check_dx_root()
2167 char *blockend = (char *)root + dir->i_sb->s_blocksize; in ext4_check_dx_root()
2202 EXT4_ERROR_INODE(dir, "Corrupt dir, %s, running e2fsck is recommended", in ext4_check_dx_root()
2212 struct inode *dir, in make_indexed_dir() argument
2231 blocksize = dir->i_sb->s_blocksize; in make_indexed_dir()
2232 dxtrace(printk(KERN_DEBUG "Creating index: inode %lu\n", dir->i_ino)); in make_indexed_dir()
2234 retval = ext4_journal_get_write_access(handle, dir->i_sb, bh, in make_indexed_dir()
2237 ext4_std_error(dir->i_sb, retval); in make_indexed_dir()
2243 if (!ext4_check_dx_root(dir, root)) { in make_indexed_dir()
2255 bh2 = ext4_append(handle, dir, &block); in make_indexed_dir()
2260 ext4_set_inode_flag(dir, EXT4_INODE_INDEX); in make_indexed_dir()
2268 if (ext4_check_dir_entry(dir, NULL, de, bh2, data2, len, in make_indexed_dir()
2288 if (ext4_hash_in_dirent(dir)) in make_indexed_dir()
2292 EXT4_SB(dir->i_sb)->s_def_hash_version; in make_indexed_dir()
2297 dx_set_limit(entries, dx_root_limit(dir, sizeof(root->info))); in make_indexed_dir()
2302 fname->hinfo.hash_version += EXT4_SB(dir->i_sb)->s_hash_unsigned; in make_indexed_dir()
2303 fname->hinfo.seed = EXT4_SB(dir->i_sb)->s_hash_seed; in make_indexed_dir()
2306 if (!ext4_hash_in_dirent(dir)) { in make_indexed_dir()
2307 int err = ext4fs_dirhash(dir, fname_name(fname), in make_indexed_dir()
2321 retval = ext4_handle_dirty_dx_node(handle, dir, frame->bh); in make_indexed_dir()
2324 retval = ext4_handle_dirty_dirblock(handle, dir, bh2); in make_indexed_dir()
2328 de = do_split(handle,dir, &bh2, frame, &fname->hinfo); in make_indexed_dir()
2334 retval = add_dirent_to_buf(handle, fname, dir, inode, de, bh2); in make_indexed_dir()
2342 ext4_mark_inode_dirty(handle, dir); in make_indexed_dir()
2361 struct inode *dir = d_inode(dentry->d_parent); in ext4_add_entry() local
2375 sb = dir->i_sb; in ext4_add_entry()
2381 if (!generic_ci_validate_strict_name(dir, &dentry->d_name)) in ext4_add_entry()
2384 retval = ext4_fname_setup_filename(dir, &dentry->d_name, 0, &fname); in ext4_add_entry()
2388 if (ext4_has_inline_data(dir)) { in ext4_add_entry()
2389 retval = ext4_try_add_inline_entry(handle, &fname, dir, inode); in ext4_add_entry()
2398 if (is_dx(dir)) { in ext4_add_entry()
2399 retval = ext4_dx_add_entry(handle, &fname, dir, inode); in ext4_add_entry()
2404 EXT4_ERROR_INODE(dir, in ext4_add_entry()
2409 ext4_clear_inode_flag(dir, EXT4_INODE_INDEX); in ext4_add_entry()
2411 retval = ext4_mark_inode_dirty(handle, dir); in ext4_add_entry()
2415 blocks = dir->i_size >> sb->s_blocksize_bits; in ext4_add_entry()
2417 bh = ext4_read_dirblock(dir, block, DIRENT); in ext4_add_entry()
2419 bh = ext4_bread(handle, dir, block, in ext4_add_entry()
2428 retval = add_dirent_to_buf(handle, &fname, dir, inode, in ext4_add_entry()
2435 retval = make_indexed_dir(handle, &fname, dir, in ext4_add_entry()
2442 bh = ext4_append(handle, dir, &block); in ext4_add_entry()
2456 retval = add_dirent_to_buf(handle, &fname, dir, inode, de, bh); in ext4_add_entry()
2469 struct inode *dir, struct inode *inode) in ext4_dx_add_entry() argument
2474 struct super_block *sb = dir->i_sb; in ext4_dx_add_entry()
2481 frame = dx_probe(fname, dir, NULL, frames); in ext4_dx_add_entry()
2486 bh = ext4_read_dirblock(dir, dx_get_block(frame->at), DIRENT_HTREE); in ext4_dx_add_entry()
2498 err = add_dirent_to_buf(handle, fname, dir, inode, NULL, bh); in ext4_dx_add_entry()
2530 dir->i_ino, levels); in ext4_dx_add_entry()
2540 bh2 = ext4_append(handle, dir, &newblock); in ext4_dx_add_entry()
2576 dx_set_limit(entries2, dx_node_limit(dir)); in ext4_dx_add_entry()
2588 err = ext4_handle_dirty_dx_node(handle, dir, bh2); in ext4_dx_add_entry()
2594 err = ext4_handle_dirty_dx_node(handle, dir, in ext4_dx_add_entry()
2598 err = ext4_handle_dirty_dx_node(handle, dir, in ext4_dx_add_entry()
2606 dx_set_limit(entries2, dx_node_limit(dir)); in ext4_dx_add_entry()
2616 err = ext4_handle_dirty_dx_node(handle, dir, frame->bh); in ext4_dx_add_entry()
2621 err = ext4_handle_dirty_dx_node(handle, dir, bh2); in ext4_dx_add_entry()
2627 de = do_split(handle, dir, &bh, frame, &fname->hinfo); in ext4_dx_add_entry()
2632 err = add_dirent_to_buf(handle, fname, dir, inode, de, bh); in ext4_dx_add_entry()
2636 ext4_std_error(dir->i_sb, err); /* this is a no-op if err == 0 */ in ext4_dx_add_entry()
2652 int ext4_generic_delete_entry(struct inode *dir, in ext4_generic_delete_entry() argument
2660 unsigned int blocksize = dir->i_sb->s_blocksize; in ext4_generic_delete_entry()
2667 if (ext4_check_dir_entry(dir, NULL, de, bh, in ext4_generic_delete_entry()
2692 inode_inc_iversion(dir); in ext4_generic_delete_entry()
2703 struct inode *dir, in ext4_delete_entry() argument
2709 if (ext4_has_inline_data(dir)) { in ext4_delete_entry()
2711 err = ext4_delete_inline_entry(handle, dir, de_del, bh, in ext4_delete_entry()
2717 if (ext4_has_feature_metadata_csum(dir->i_sb)) in ext4_delete_entry()
2721 err = ext4_journal_get_write_access(handle, dir->i_sb, bh, in ext4_delete_entry()
2726 err = ext4_generic_delete_entry(dir, de_del, bh, bh->b_data, in ext4_delete_entry()
2727 dir->i_sb->s_blocksize, csum_size); in ext4_delete_entry()
2732 err = ext4_handle_dirty_dirblock(handle, dir, bh); in ext4_delete_entry()
2739 ext4_std_error(dir->i_sb, err); in ext4_delete_entry()
2782 struct inode *dir = d_inode(dentry->d_parent); in ext4_add_nondir() local
2787 if (IS_DIRSYNC(dir)) in ext4_add_nondir()
2808 static int ext4_create(struct mnt_idmap *idmap, struct inode *dir, in ext4_create() argument
2815 err = dquot_initialize(dir); in ext4_create()
2819 credits = (EXT4_DATA_TRANS_BLOCKS(dir->i_sb) + in ext4_create()
2822 inode = ext4_new_inode_start_handle(idmap, dir, mode, &dentry->d_name, in ext4_create()
2838 if (err == -ENOSPC && ext4_should_retry_alloc(dir->i_sb, &retries)) in ext4_create()
2843 static int ext4_mknod(struct mnt_idmap *idmap, struct inode *dir, in ext4_mknod() argument
2850 err = dquot_initialize(dir); in ext4_mknod()
2854 credits = (EXT4_DATA_TRANS_BLOCKS(dir->i_sb) + in ext4_mknod()
2857 inode = ext4_new_inode_start_handle(idmap, dir, mode, &dentry->d_name, in ext4_mknod()
2872 if (err == -ENOSPC && ext4_should_retry_alloc(dir->i_sb, &retries)) in ext4_mknod()
2877 static int ext4_tmpfile(struct mnt_idmap *idmap, struct inode *dir, in ext4_tmpfile() argument
2884 err = dquot_initialize(dir); in ext4_tmpfile()
2889 inode = ext4_new_inode_start_handle(idmap, dir, mode, in ext4_tmpfile()
2892 EXT4_MAXQUOTAS_TRANS_BLOCKS(dir->i_sb) + in ext4_tmpfile()
2909 if (err == -ENOSPC && ext4_should_retry_alloc(dir->i_sb, &retries)) in ext4_tmpfile()
2964 int ext4_init_new_dir(handle_t *handle, struct inode *dir, in ext4_init_new_dir() argument
2972 err = ext4_try_create_inline_dir(handle, dir, inode); in ext4_init_new_dir()
2984 err = ext4_init_dirblock(handle, inode, dir_block, dir->i_ino, NULL, 0); in ext4_init_new_dir()
2990 static struct dentry *ext4_mkdir(struct mnt_idmap *idmap, struct inode *dir, in ext4_mkdir() argument
2997 if (EXT4_DIR_LINK_MAX(dir)) in ext4_mkdir()
3000 err = dquot_initialize(dir); in ext4_mkdir()
3004 credits = (EXT4_DATA_TRANS_BLOCKS(dir->i_sb) + in ext4_mkdir()
3007 inode = ext4_new_inode_start_handle(idmap, dir, S_IFDIR | mode, in ext4_mkdir()
3017 err = ext4_init_new_dir(handle, dir, inode); in ext4_mkdir()
3035 ext4_inc_count(dir); in ext4_mkdir()
3037 ext4_update_dx_flag(dir); in ext4_mkdir()
3038 err = ext4_mark_inode_dirty(handle, dir); in ext4_mkdir()
3043 if (IS_DIRSYNC(dir)) in ext4_mkdir()
3050 if (err == -ENOSPC && ext4_should_retry_alloc(dir->i_sb, &retries)) in ext4_mkdir()
3131 static int ext4_rmdir(struct inode *dir, struct dentry *dentry) in ext4_rmdir() argument
3139 retval = ext4_emergency_state(dir->i_sb); in ext4_rmdir()
3145 retval = dquot_initialize(dir); in ext4_rmdir()
3153 bh = ext4_find_entry(dir, &dentry->d_name, &de, NULL); in ext4_rmdir()
3169 handle = ext4_journal_start(dir, EXT4_HT_DIR, in ext4_rmdir()
3170 EXT4_DATA_TRANS_BLOCKS(dir->i_sb)); in ext4_rmdir()
3177 if (IS_DIRSYNC(dir)) in ext4_rmdir()
3180 retval = ext4_delete_entry(handle, dir, de, bh); in ext4_rmdir()
3195 inode_set_mtime_to_ts(dir, inode_set_ctime_current(dir)); in ext4_rmdir()
3200 ext4_dec_count(dir); in ext4_rmdir()
3201 ext4_update_dx_flag(dir); in ext4_rmdir()
3203 retval = ext4_mark_inode_dirty(handle, dir); in ext4_rmdir()
3211 if (IS_ENABLED(CONFIG_UNICODE) && IS_CASEFOLDED(dir)) in ext4_rmdir()
3221 int __ext4_unlink(struct inode *dir, const struct qstr *d_name, in __ext4_unlink() argument
3235 bh = ext4_find_entry(dir, d_name, &de, NULL); in __ext4_unlink()
3254 handle = ext4_journal_start(dir, EXT4_HT_DIR, in __ext4_unlink()
3255 EXT4_DATA_TRANS_BLOCKS(dir->i_sb)); in __ext4_unlink()
3261 if (IS_DIRSYNC(dir)) in __ext4_unlink()
3265 retval = ext4_delete_entry(handle, dir, de, bh); in __ext4_unlink()
3268 inode_set_mtime_to_ts(dir, inode_set_ctime_current(dir)); in __ext4_unlink()
3269 ext4_update_dx_flag(dir); in __ext4_unlink()
3270 retval = ext4_mark_inode_dirty(handle, dir); in __ext4_unlink()
3294 static int ext4_unlink(struct inode *dir, struct dentry *dentry) in ext4_unlink() argument
3298 retval = ext4_emergency_state(dir->i_sb); in ext4_unlink()
3302 trace_ext4_unlink_enter(dir, dentry); in ext4_unlink()
3307 retval = dquot_initialize(dir); in ext4_unlink()
3314 retval = __ext4_unlink(dir, &dentry->d_name, d_inode(dentry), dentry); in ext4_unlink()
3322 if (IS_ENABLED(CONFIG_UNICODE) && IS_CASEFOLDED(dir)) in ext4_unlink()
3356 static int ext4_symlink(struct mnt_idmap *idmap, struct inode *dir, in ext4_symlink() argument
3366 err = ext4_emergency_state(dir->i_sb); in ext4_symlink()
3370 err = fscrypt_prepare_symlink(dir, symname, len, dir->i_sb->s_blocksize, in ext4_symlink()
3375 err = dquot_initialize(dir); in ext4_symlink()
3385 credits = EXT4_DATA_TRANS_BLOCKS(dir->i_sb) + in ext4_symlink()
3388 inode = ext4_new_inode_start_handle(idmap, dir, S_IFLNK|S_IRWXUGO, in ext4_symlink()
3443 if (err == -ENOSPC && ext4_should_retry_alloc(dir->i_sb, &retries)) in ext4_symlink()
3450 int __ext4_link(struct inode *dir, struct inode *inode, struct dentry *dentry) in __ext4_link() argument
3455 handle = ext4_journal_start(dir, EXT4_HT_DIR, in __ext4_link()
3456 (EXT4_DATA_TRANS_BLOCKS(dir->i_sb) + in __ext4_link()
3461 if (IS_DIRSYNC(dir)) in __ext4_link()
3483 if (err == -ENOSPC && ext4_should_retry_alloc(dir->i_sb, &retries)) in __ext4_link()
3489 struct inode *dir, struct dentry *dentry) in ext4_link() argument
3497 err = fscrypt_prepare_link(old_dentry, dir, dentry); in ext4_link()
3501 if ((ext4_test_inode_flag(dir, EXT4_INODE_PROJINHERIT)) && in ext4_link()
3502 (!projid_eq(EXT4_I(dir)->i_projid, in ext4_link()
3506 err = dquot_initialize(dir); in ext4_link()
3509 return __ext4_link(dir, inode, dentry); in ext4_link()
3567 struct inode *dir; member
3597 if (le32_to_cpu(ent->parent_de->inode) != ent->dir->i_ino) in ext4_rename_dir_prepare()
3600 return ext4_journal_get_write_access(handle, ent->dir->i_sb, in ext4_rename_dir_prepare()
3627 ext4_std_error(ent->dir->i_sb, retval); in ext4_rename_dir_finish()
3639 retval = ext4_journal_get_write_access(handle, ent->dir->i_sb, ent->bh, in ext4_setent()
3644 if (ext4_has_feature_filetype(ent->dir->i_sb)) in ext4_setent()
3646 inode_inc_iversion(ent->dir); in ext4_setent()
3647 inode_set_mtime_to_ts(ent->dir, inode_set_ctime_current(ent->dir)); in ext4_setent()
3648 retval = ext4_mark_inode_dirty(handle, ent->dir); in ext4_setent()
3651 retval2 = ext4_handle_dirty_dirblock(handle, ent->dir, ent->bh); in ext4_setent()
3653 ext4_std_error(ent->dir->i_sb, retval2); in ext4_setent()
3671 old.bh = ext4_find_entry(old.dir, &old.dentry->d_name, &old.de, in ext4_resetent()
3678 ext4_std_error(old.dir->i_sb, retval); in ext4_resetent()
3686 static int ext4_find_delete_entry(handle_t *handle, struct inode *dir, in ext4_find_delete_entry() argument
3693 bh = ext4_find_entry(dir, d_name, &de, NULL); in ext4_find_delete_entry()
3697 retval = ext4_delete_entry(handle, dir, de, bh); in ext4_find_delete_entry()
3718 retval = ext4_find_delete_entry(handle, ent->dir, in ext4_rename_delete()
3721 retval = ext4_delete_entry(handle, ent->dir, ent->de, ent->bh); in ext4_rename_delete()
3723 retval = ext4_find_delete_entry(handle, ent->dir, in ext4_rename_delete()
3729 ext4_warning_inode(ent->dir, in ext4_rename_delete()
3731 ent->dir->i_nlink, retval); in ext4_rename_delete()
3739 ext4_dec_count(ent->dir); in ext4_update_dir_count()
3741 ext4_inc_count(ent->dir); in ext4_update_dir_count()
3742 ext4_mark_inode_dirty(handle, ent->dir); in ext4_update_dir_count()
3758 credits += (EXT4_MAXQUOTAS_TRANS_BLOCKS(ent->dir->i_sb) + in ext4_whiteout_for_rename()
3761 wh = ext4_new_inode_start_handle(idmap, ent->dir, in ext4_whiteout_for_rename()
3771 ext4_should_retry_alloc(ent->dir->i_sb, &retries)) in ext4_whiteout_for_rename()
3795 .dir = old_dir, in ext4_rename()
3800 .dir = new_dir, in ext4_rename()
3821 retval = dquot_initialize(old.dir); in ext4_rename()
3827 retval = dquot_initialize(new.dir); in ext4_rename()
3839 old.bh = ext4_find_entry(old.dir, &old.dentry->d_name, &old.de, in ext4_rename()
3854 new.bh = ext4_find_entry(new.dir, &new.dentry->d_name, in ext4_rename()
3867 if (new.inode && !test_opt(new.dir->i_sb, NO_AUTO_DA_ALLOC)) in ext4_rename()
3870 credits = (2 * EXT4_DATA_TRANS_BLOCKS(old.dir->i_sb) + in ext4_rename()
3873 handle = ext4_journal_start(old.dir, EXT4_HT_DIR, credits); in ext4_rename()
3887 if (IS_DIRSYNC(old.dir) || IS_DIRSYNC(new.dir)) in ext4_rename()
3897 if (new.dir != old.dir && EXT4_DIR_LINK_MAX(new.dir)) in ext4_rename()
3900 retval = ext4_rename_dir_prepare(handle, &old, new.dir != old.dir); in ext4_rename()
3911 force_reread = (new.dir->i_ino == old.dir->i_ino && in ext4_rename()
3912 ext4_test_inode_flag(new.dir, EXT4_INODE_INLINE_DATA)); in ext4_rename()
3939 force_reread = !ext4_test_inode_flag(new.dir, in ext4_rename()
3962 inode_set_mtime_to_ts(old.dir, inode_set_ctime_current(old.dir)); in ext4_rename()
3963 ext4_update_dx_flag(old.dir); in ext4_rename()
3965 retval = ext4_rename_dir_finish(handle, &old, new.dir->i_ino); in ext4_rename()
3969 ext4_dec_count(old.dir); in ext4_rename()
3976 ext4_inc_count(new.dir); in ext4_rename()
3977 ext4_update_dx_flag(new.dir); in ext4_rename()
3978 retval = ext4_mark_inode_dirty(handle, new.dir); in ext4_rename()
3983 retval = ext4_mark_inode_dirty(handle, old.dir); in ext4_rename()
4048 .dir = old_dir, in ext4_cross_rename()
4053 .dir = new_dir, in ext4_cross_rename()
4068 retval = dquot_initialize(old.dir); in ext4_cross_rename()
4071 retval = dquot_initialize(new.dir); in ext4_cross_rename()
4075 old.bh = ext4_find_entry(old.dir, &old.dentry->d_name, in ext4_cross_rename()
4089 new.bh = ext4_find_entry(new.dir, &new.dentry->d_name, in ext4_cross_rename()
4101 handle = ext4_journal_start(old.dir, EXT4_HT_DIR, in ext4_cross_rename()
4102 (2 * EXT4_DATA_TRANS_BLOCKS(old.dir->i_sb) + in ext4_cross_rename()
4110 if (IS_DIRSYNC(old.dir) || IS_DIRSYNC(new.dir)) in ext4_cross_rename()
4114 retval = ext4_rename_dir_prepare(handle, &old, new.dir != old.dir); in ext4_cross_rename()
4119 retval = ext4_rename_dir_prepare(handle, &new, new.dir != old.dir); in ext4_cross_rename()
4128 if (old.dir != new.dir && old.is_dir != new.is_dir) { in ext4_cross_rename()
4132 if ((old.dir_nlink_delta > 0 && EXT4_DIR_LINK_MAX(old.dir)) || in ext4_cross_rename()
4133 (new.dir_nlink_delta > 0 && EXT4_DIR_LINK_MAX(new.dir))) in ext4_cross_rename()
4161 retval = ext4_rename_dir_finish(handle, &old, new.dir->i_ino); in ext4_cross_rename()
4166 retval = ext4_rename_dir_finish(handle, &new, old.dir->i_ino); in ext4_cross_rename()