43 int udf_write_fi(struct inode *inode, struct fileIdentDesc *cfi,  in udf_write_fi()  argument
56 	if (UDF_I(inode)->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB)  in udf_write_fi()
132 		mark_inode_dirty(inode);  in udf_write_fi()
135 			mark_buffer_dirty_inode(fibh->ebh, inode);  in udf_write_fi()
136 		mark_buffer_dirty_inode(fibh->sbh, inode);  in udf_write_fi()
141 static struct fileIdentDesc *udf_find_entry(struct inode *dir,  in udf_find_entry()
253 static struct dentry *udf_lookup(struct inode *dir, struct dentry *dentry,  in udf_lookup()
256 	struct inode *inode = NULL;  in udf_lookup()  local
272 		inode = udf_iget(dir->i_sb, lb);  in udf_lookup()
273 		if (IS_ERR(inode))  in udf_lookup()
274 			return inode;  in udf_lookup()
286 		inode = udf_iget(dir->i_sb, &loc);  in udf_lookup()
287 		if (IS_ERR(inode))  in udf_lookup()
288 			return ERR_CAST(inode);  in udf_lookup()
291 	return d_splice_alias(inode, dentry);  in udf_lookup()
294 static struct fileIdentDesc *udf_add_entry(struct inode *dir,  in udf_add_entry()
539 static int udf_delete_entry(struct inode *inode, struct fileIdentDesc *fi,  in udf_delete_entry()  argument
545 	if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT))  in udf_delete_entry()
548 	return udf_write_fi(inode, cfi, fi, fibh, NULL, NULL);  in udf_delete_entry()
551 static int udf_add_nondir(struct dentry *dentry, struct inode *inode)  in udf_add_nondir()  argument
553 	struct udf_inode_info *iinfo = UDF_I(inode);  in udf_add_nondir()
554 	struct inode *dir = d_inode(dentry->d_parent);  in udf_add_nondir()
561 		inode_dec_link_count(inode);  in udf_add_nondir()
562 		unlock_new_inode(inode);  in udf_add_nondir()
563 		iput(inode);  in udf_add_nondir()
566 	cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize);  in udf_add_nondir()
576 	unlock_new_inode(inode);  in udf_add_nondir()
577 	d_instantiate(dentry, inode);  in udf_add_nondir()
582 static int udf_create(struct inode *dir, struct dentry *dentry, umode_t mode,  in udf_create()
585 	struct inode *inode = udf_new_inode(dir, mode);  in udf_create()  local
587 	if (IS_ERR(inode))  in udf_create()
588 		return PTR_ERR(inode);  in udf_create()
590 	if (UDF_I(inode)->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB)  in udf_create()
591 		inode->i_data.a_ops = &udf_adinicb_aops;  in udf_create()
593 		inode->i_data.a_ops = &udf_aops;  in udf_create()
594 	inode->i_op = &udf_file_inode_operations;  in udf_create()
595 	inode->i_fop = &udf_file_operations;  in udf_create()
596 	mark_inode_dirty(inode);  in udf_create()
598 	return udf_add_nondir(dentry, inode);  in udf_create()
601 static int udf_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode)  in udf_tmpfile()
603 	struct inode *inode = udf_new_inode(dir, mode);  in udf_tmpfile()  local
605 	if (IS_ERR(inode))  in udf_tmpfile()
606 		return PTR_ERR(inode);  in udf_tmpfile()
608 	if (UDF_I(inode)->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB)  in udf_tmpfile()
609 		inode->i_data.a_ops = &udf_adinicb_aops;  in udf_tmpfile()
611 		inode->i_data.a_ops = &udf_aops;  in udf_tmpfile()
612 	inode->i_op = &udf_file_inode_operations;  in udf_tmpfile()
613 	inode->i_fop = &udf_file_operations;  in udf_tmpfile()
614 	mark_inode_dirty(inode);  in udf_tmpfile()
615 	d_tmpfile(dentry, inode);  in udf_tmpfile()
616 	unlock_new_inode(inode);  in udf_tmpfile()
620 static int udf_mknod(struct inode *dir, struct dentry *dentry, umode_t mode,  in udf_mknod()
623 	struct inode *inode;  in udf_mknod()  local
628 	inode = udf_new_inode(dir, mode);  in udf_mknod()
629 	if (IS_ERR(inode))  in udf_mknod()
630 		return PTR_ERR(inode);  in udf_mknod()
632 	init_special_inode(inode, mode, rdev);  in udf_mknod()
633 	return udf_add_nondir(dentry, inode);  in udf_mknod()
636 static int udf_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)  in udf_mkdir()
638 	struct inode *inode;  in udf_mkdir()  local
645 	inode = udf_new_inode(dir, S_IFDIR | mode);  in udf_mkdir()
646 	if (IS_ERR(inode))  in udf_mkdir()
647 		return PTR_ERR(inode);  in udf_mkdir()
649 	iinfo = UDF_I(inode);  in udf_mkdir()
650 	inode->i_op = &udf_dir_inode_operations;  in udf_mkdir()
651 	inode->i_fop = &udf_dir_operations;  in udf_mkdir()
652 	fi = udf_add_entry(inode, NULL, &fibh, &cfi, &err);  in udf_mkdir()
654 		inode_dec_link_count(inode);  in udf_mkdir()
655 		unlock_new_inode(inode);  in udf_mkdir()
656 		iput(inode);  in udf_mkdir()
659 	set_nlink(inode, 2);  in udf_mkdir()
660 	cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize);  in udf_mkdir()
666 	udf_write_fi(inode, &cfi, fi, &fibh, NULL, NULL);  in udf_mkdir()
668 	mark_inode_dirty(inode);  in udf_mkdir()
672 		clear_nlink(inode);  in udf_mkdir()
673 		mark_inode_dirty(inode);  in udf_mkdir()
674 		unlock_new_inode(inode);  in udf_mkdir()
675 		iput(inode);  in udf_mkdir()
678 	cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize);  in udf_mkdir()
687 	unlock_new_inode(inode);  in udf_mkdir()
688 	d_instantiate(dentry, inode);  in udf_mkdir()
698 static int empty_dir(struct inode *dir)  in empty_dir()
767 static int udf_rmdir(struct inode *dir, struct dentry *dentry)  in udf_rmdir()
770 	struct inode *inode = d_inode(dentry);  in udf_rmdir()  local
782 	if (udf_get_lb_pblock(dir->i_sb, &tloc, 0) != inode->i_ino)  in udf_rmdir()
785 	if (!empty_dir(inode))  in udf_rmdir()
790 	if (inode->i_nlink != 2)  in udf_rmdir()
791 		udf_warn(inode->i_sb, "empty directory has nlink != 2 (%d)\n",  in udf_rmdir()
792 			 inode->i_nlink);  in udf_rmdir()
793 	clear_nlink(inode);  in udf_rmdir()
794 	inode->i_size = 0;  in udf_rmdir()
796 	inode->i_ctime = dir->i_ctime = dir->i_mtime =  in udf_rmdir()
809 static int udf_unlink(struct inode *dir, struct dentry *dentry)  in udf_unlink()
812 	struct inode *inode = d_inode(dentry);  in udf_unlink()  local
825 	if (udf_get_lb_pblock(dir->i_sb, &tloc, 0) != inode->i_ino)  in udf_unlink()
828 	if (!inode->i_nlink) {  in udf_unlink()
830 			  inode->i_ino, inode->i_nlink);  in udf_unlink()
831 		set_nlink(inode, 1);  in udf_unlink()
838 	inode_dec_link_count(inode);  in udf_unlink()
839 	inode->i_ctime = dir->i_ctime;  in udf_unlink()
851 static int udf_symlink(struct inode *dir, struct dentry *dentry,  in udf_symlink()
854 	struct inode *inode = udf_new_inode(dir, S_IFLNK | S_IRWXUGO);  in udf_symlink()  local
867 	if (IS_ERR(inode))  in udf_symlink()
868 		return PTR_ERR(inode);  in udf_symlink()
870 	iinfo = UDF_I(inode);  in udf_symlink()
878 	inode->i_data.a_ops = &udf_symlink_aops;  in udf_symlink()
879 	inode->i_op = &udf_symlink_inode_operations;  in udf_symlink()
885 		block = udf_new_block(sb, inode,  in udf_symlink()
891 		epos.offset = udf_file_entry_alloc_offset(inode);  in udf_symlink()
898 		udf_add_aext(inode, &epos, &eloc, bsize, 0);  in udf_symlink()
909 		mark_buffer_dirty_inode(epos.bh, inode);  in udf_symlink()
910 		ea = epos.bh->b_data + udf_ext0_offset(inode);  in udf_symlink()
914 	eoffset = sb->s_blocksize - udf_ext0_offset(inode);  in udf_symlink()
978 	inode->i_size = elen;  in udf_symlink()
980 		iinfo->i_lenAlloc = inode->i_size;  in udf_symlink()
982 		udf_truncate_tail_extent(inode);  in udf_symlink()
983 	mark_inode_dirty(inode);  in udf_symlink()
986 	err = udf_add_nondir(dentry, inode);  in udf_symlink()
993 	inode_dec_link_count(inode);  in udf_symlink()
994 	unlock_new_inode(inode);  in udf_symlink()
995 	iput(inode);  in udf_symlink()
999 static int udf_link(struct dentry *old_dentry, struct inode *dir,  in udf_link()
1002 	struct inode *inode = d_inode(old_dentry);  in udf_link()  local
1011 	cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize);  in udf_link()
1012 	cfi.icb.extLocation = cpu_to_lelb(UDF_I(inode)->i_location);  in udf_link()
1013 	if (UDF_SB(inode->i_sb)->s_lvid_bh) {  in udf_link()
1015 			cpu_to_le32(lvid_get_unique_id(inode->i_sb));  in udf_link()
1024 	inc_nlink(inode);  in udf_link()
1025 	inode->i_ctime = current_fs_time(inode->i_sb);  in udf_link()
1026 	mark_inode_dirty(inode);  in udf_link()
1029 	ihold(inode);  in udf_link()
1030 	d_instantiate(dentry, inode);  in udf_link()
1038 static int udf_rename(struct inode *old_dir, struct dentry *old_dentry,  in udf_rename()
1039 		      struct inode *new_dir, struct dentry *new_dentry)  in udf_rename()
1041 	struct inode *old_inode = d_inode(old_dentry);  in udf_rename()
1042 	struct inode *new_inode = d_inode(new_dentry);  in udf_rename()
1177 	struct inode *inode = NULL;  in udf_get_parent()  local
1190 	inode = udf_iget(d_inode(child)->i_sb, &tloc);  in udf_get_parent()
1191 	if (IS_ERR(inode))  in udf_get_parent()
1192 		return ERR_CAST(inode);  in udf_get_parent()
1194 	return d_obtain_alias(inode);  in udf_get_parent()
1201 	struct inode *inode;  in udf_nfs_get_inode()  local
1209 	inode = udf_iget(sb, &loc);  in udf_nfs_get_inode()
1211 	if (IS_ERR(inode))  in udf_nfs_get_inode()
1212 		return ERR_CAST(inode);  in udf_nfs_get_inode()
1214 	if (generation && inode->i_generation != generation) {  in udf_nfs_get_inode()
1215 		iput(inode);  in udf_nfs_get_inode()
1218 	return d_obtain_alias(inode);  in udf_nfs_get_inode()
1243 static int udf_encode_fh(struct inode *inode, __u32 *fh, int *lenp,  in udf_encode_fh()  argument
1244 			 struct inode *parent)  in udf_encode_fh()
1247 	struct kernel_lb_addr location = UDF_I(inode)->i_location;  in udf_encode_fh()
1263 	fid->udf.generation = inode->i_generation;  in udf_encode_fh()
1269 		fid->udf.parent_generation = inode->i_generation;  in udf_encode_fh()