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()
160 static struct fileIdentDesc *udf_find_entry(struct inode *dir,  in udf_find_entry()
286 static struct dentry *udf_lookup(struct inode *dir, struct dentry *dentry,  in udf_lookup()
289 	struct inode *inode = NULL;  in udf_lookup()  local
306 		inode = udf_iget(dir->i_sb, lb);  in udf_lookup()
307 		if (IS_ERR(inode))  in udf_lookup()
308 			return inode;  in udf_lookup()
324 		inode = udf_iget(dir->i_sb, &loc);  in udf_lookup()
325 		if (IS_ERR(inode))  in udf_lookup()
326 			return ERR_CAST(inode);  in udf_lookup()
329 	return d_splice_alias(inode, dentry);  in udf_lookup()
332 static struct fileIdentDesc *udf_add_entry(struct inode *dir,  in udf_add_entry()
577 static int udf_delete_entry(struct inode *inode, struct fileIdentDesc *fi,  in udf_delete_entry()  argument
583 	if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT))  in udf_delete_entry()
586 	return udf_write_fi(inode, cfi, fi, fibh, NULL, NULL);  in udf_delete_entry()
589 static int udf_add_nondir(struct dentry *dentry, struct inode *inode)  in udf_add_nondir()  argument
591 	struct udf_inode_info *iinfo = UDF_I(inode);  in udf_add_nondir()
592 	struct inode *dir = d_inode(dentry->d_parent);  in udf_add_nondir()
599 		inode_dec_link_count(inode);  in udf_add_nondir()
600 		unlock_new_inode(inode);  in udf_add_nondir()
601 		iput(inode);  in udf_add_nondir()
604 	cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize);  in udf_add_nondir()
614 	unlock_new_inode(inode);  in udf_add_nondir()
615 	d_instantiate(dentry, inode);  in udf_add_nondir()
620 static int udf_create(struct inode *dir, struct dentry *dentry, umode_t mode,  in udf_create()
623 	struct inode *inode = udf_new_inode(dir, mode);  in udf_create()  local
625 	if (IS_ERR(inode))  in udf_create()
626 		return PTR_ERR(inode);  in udf_create()
628 	if (UDF_I(inode)->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB)  in udf_create()
629 		inode->i_data.a_ops = &udf_adinicb_aops;  in udf_create()
631 		inode->i_data.a_ops = &udf_aops;  in udf_create()
632 	inode->i_op = &udf_file_inode_operations;  in udf_create()
633 	inode->i_fop = &udf_file_operations;  in udf_create()
634 	mark_inode_dirty(inode);  in udf_create()
636 	return udf_add_nondir(dentry, inode);  in udf_create()
639 static int udf_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode)  in udf_tmpfile()
641 	struct inode *inode = udf_new_inode(dir, mode);  in udf_tmpfile()  local
643 	if (IS_ERR(inode))  in udf_tmpfile()
644 		return PTR_ERR(inode);  in udf_tmpfile()
646 	if (UDF_I(inode)->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB)  in udf_tmpfile()
647 		inode->i_data.a_ops = &udf_adinicb_aops;  in udf_tmpfile()
649 		inode->i_data.a_ops = &udf_aops;  in udf_tmpfile()
650 	inode->i_op = &udf_file_inode_operations;  in udf_tmpfile()
651 	inode->i_fop = &udf_file_operations;  in udf_tmpfile()
652 	mark_inode_dirty(inode);  in udf_tmpfile()
653 	d_tmpfile(dentry, inode);  in udf_tmpfile()
654 	unlock_new_inode(inode);  in udf_tmpfile()
658 static int udf_mknod(struct inode *dir, struct dentry *dentry, umode_t mode,  in udf_mknod()
661 	struct inode *inode;  in udf_mknod()  local
666 	inode = udf_new_inode(dir, mode);  in udf_mknod()
667 	if (IS_ERR(inode))  in udf_mknod()
668 		return PTR_ERR(inode);  in udf_mknod()
670 	init_special_inode(inode, mode, rdev);  in udf_mknod()
671 	return udf_add_nondir(dentry, inode);  in udf_mknod()
674 static int udf_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)  in udf_mkdir()
676 	struct inode *inode;  in udf_mkdir()  local
683 	inode = udf_new_inode(dir, S_IFDIR | mode);  in udf_mkdir()
684 	if (IS_ERR(inode))  in udf_mkdir()
685 		return PTR_ERR(inode);  in udf_mkdir()
687 	iinfo = UDF_I(inode);  in udf_mkdir()
688 	inode->i_op = &udf_dir_inode_operations;  in udf_mkdir()
689 	inode->i_fop = &udf_dir_operations;  in udf_mkdir()
690 	fi = udf_add_entry(inode, NULL, &fibh, &cfi, &err);  in udf_mkdir()
692 		inode_dec_link_count(inode);  in udf_mkdir()
693 		unlock_new_inode(inode);  in udf_mkdir()
694 		iput(inode);  in udf_mkdir()
697 	set_nlink(inode, 2);  in udf_mkdir()
698 	cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize);  in udf_mkdir()
704 	udf_write_fi(inode, &cfi, fi, &fibh, NULL, NULL);  in udf_mkdir()
706 	mark_inode_dirty(inode);  in udf_mkdir()
710 		clear_nlink(inode);  in udf_mkdir()
711 		mark_inode_dirty(inode);  in udf_mkdir()
712 		unlock_new_inode(inode);  in udf_mkdir()
713 		iput(inode);  in udf_mkdir()
716 	cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize);  in udf_mkdir()
725 	unlock_new_inode(inode);  in udf_mkdir()
726 	d_instantiate(dentry, inode);  in udf_mkdir()
736 static int empty_dir(struct inode *dir)  in empty_dir()
805 static int udf_rmdir(struct inode *dir, struct dentry *dentry)  in udf_rmdir()
808 	struct inode *inode = d_inode(dentry);  in udf_rmdir()  local
823 	if (udf_get_lb_pblock(dir->i_sb, &tloc, 0) != inode->i_ino)  in udf_rmdir()
826 	if (!empty_dir(inode))  in udf_rmdir()
831 	if (inode->i_nlink != 2)  in udf_rmdir()
832 		udf_warn(inode->i_sb, "empty directory has nlink != 2 (%d)\n",  in udf_rmdir()
833 			 inode->i_nlink);  in udf_rmdir()
834 	clear_nlink(inode);  in udf_rmdir()
835 	inode->i_size = 0;  in udf_rmdir()
837 	inode->i_ctime = dir->i_ctime = dir->i_mtime =  in udf_rmdir()
850 static int udf_unlink(struct inode *dir, struct dentry *dentry)  in udf_unlink()
853 	struct inode *inode = d_inode(dentry);  in udf_unlink()  local
870 	if (udf_get_lb_pblock(dir->i_sb, &tloc, 0) != inode->i_ino)  in udf_unlink()
873 	if (!inode->i_nlink) {  in udf_unlink()
875 			  inode->i_ino, inode->i_nlink);  in udf_unlink()
876 		set_nlink(inode, 1);  in udf_unlink()
883 	inode_dec_link_count(inode);  in udf_unlink()
884 	inode->i_ctime = dir->i_ctime;  in udf_unlink()
896 static int udf_symlink(struct inode *dir, struct dentry *dentry,  in udf_symlink()
899 	struct inode *inode = udf_new_inode(dir, S_IFLNK | S_IRWXUGO);  in udf_symlink()  local
912 	if (IS_ERR(inode))  in udf_symlink()
913 		return PTR_ERR(inode);  in udf_symlink()
915 	iinfo = UDF_I(inode);  in udf_symlink()
923 	inode->i_data.a_ops = &udf_symlink_aops;  in udf_symlink()
924 	inode->i_op = &udf_symlink_inode_operations;  in udf_symlink()
930 		block = udf_new_block(sb, inode,  in udf_symlink()
936 		epos.offset = udf_file_entry_alloc_offset(inode);  in udf_symlink()
943 		udf_add_aext(inode, &epos, &eloc, bsize, 0);  in udf_symlink()
954 		mark_buffer_dirty_inode(epos.bh, inode);  in udf_symlink()
955 		ea = epos.bh->b_data + udf_ext0_offset(inode);  in udf_symlink()
959 	eoffset = sb->s_blocksize - udf_ext0_offset(inode);  in udf_symlink()
1023 	inode->i_size = elen;  in udf_symlink()
1025 		iinfo->i_lenAlloc = inode->i_size;  in udf_symlink()
1027 		udf_truncate_tail_extent(inode);  in udf_symlink()
1028 	mark_inode_dirty(inode);  in udf_symlink()
1031 	err = udf_add_nondir(dentry, inode);  in udf_symlink()
1038 	inode_dec_link_count(inode);  in udf_symlink()
1039 	unlock_new_inode(inode);  in udf_symlink()
1040 	iput(inode);  in udf_symlink()
1044 static int udf_link(struct dentry *old_dentry, struct inode *dir,  in udf_link()
1047 	struct inode *inode = d_inode(old_dentry);  in udf_link()  local
1056 	cfi.icb.extLength = cpu_to_le32(inode->i_sb->s_blocksize);  in udf_link()
1057 	cfi.icb.extLocation = cpu_to_lelb(UDF_I(inode)->i_location);  in udf_link()
1058 	if (UDF_SB(inode->i_sb)->s_lvid_bh) {  in udf_link()
1060 			cpu_to_le32(lvid_get_unique_id(inode->i_sb));  in udf_link()
1069 	inc_nlink(inode);  in udf_link()
1070 	inode->i_ctime = current_fs_time(inode->i_sb);  in udf_link()
1071 	mark_inode_dirty(inode);  in udf_link()
1074 	ihold(inode);  in udf_link()
1075 	d_instantiate(dentry, inode);  in udf_link()
1083 static int udf_rename(struct inode *old_dir, struct dentry *old_dentry,  in udf_rename()
1084 		      struct inode *new_dir, struct dentry *new_dentry)  in udf_rename()
1086 	struct inode *old_inode = d_inode(old_dentry);  in udf_rename()
1087 	struct inode *new_inode = d_inode(new_dentry);  in udf_rename()
1228 	struct inode *inode = NULL;  in udf_get_parent()  local
1241 	inode = udf_iget(d_inode(child)->i_sb, &tloc);  in udf_get_parent()
1242 	if (IS_ERR(inode))  in udf_get_parent()
1243 		return ERR_CAST(inode);  in udf_get_parent()
1245 	return d_obtain_alias(inode);  in udf_get_parent()
1252 	struct inode *inode;  in udf_nfs_get_inode()  local
1260 	inode = udf_iget(sb, &loc);  in udf_nfs_get_inode()
1262 	if (IS_ERR(inode))  in udf_nfs_get_inode()
1263 		return ERR_CAST(inode);  in udf_nfs_get_inode()
1265 	if (generation && inode->i_generation != generation) {  in udf_nfs_get_inode()
1266 		iput(inode);  in udf_nfs_get_inode()
1269 	return d_obtain_alias(inode);  in udf_nfs_get_inode()
1294 static int udf_encode_fh(struct inode *inode, __u32 *fh, int *lenp,  in udf_encode_fh()  argument
1295 			 struct inode *parent)  in udf_encode_fh()
1298 	struct kernel_lb_addr location = UDF_I(inode)->i_location;  in udf_encode_fh()
1314 	fid->udf.generation = inode->i_generation;  in udf_encode_fh()
1320 		fid->udf.parent_generation = inode->i_generation;  in udf_encode_fh()