141 static struct fileIdentDesc *udf_find_entry(struct inode *dir,  in udf_find_entry()  argument
158 	struct udf_inode_info *dinfo = UDF_I(dir);  in udf_find_entry()
161 	struct super_block *sb = dir->i_sb;  in udf_find_entry()
163 	size = udf_ext0_offset(dir) + dir->i_size;  in udf_find_entry()
164 	f_pos = udf_ext0_offset(dir);  in udf_find_entry()
169 		if (inode_bmap(dir, f_pos >> sb->s_blocksize_bits, &epos,  in udf_find_entry()
191 		fi = udf_fileident_read(dir, &f_pos, fibh, cfi, &epos, &eloc,  in udf_find_entry()
253 static struct dentry *udf_lookup(struct inode *dir, struct dentry *dentry,  in udf_lookup()  argument
272 		inode = udf_iget(dir->i_sb, lb);  in udf_lookup()
278 	if (udf_find_entry(dir, &dentry->d_name, &fibh, &cfi)) {  in udf_lookup()
286 		inode = udf_iget(dir->i_sb, &loc);  in udf_lookup()
294 static struct fileIdentDesc *udf_add_entry(struct inode *dir,  in udf_add_entry()  argument
299 	struct super_block *sb = dir->i_sb;  in udf_add_entry()
304 	loff_t size = udf_ext0_offset(dir) + dir->i_size;  in udf_add_entry()
339 	f_pos = udf_ext0_offset(dir);  in udf_add_entry()
341 	fibh->soffset = fibh->eoffset = f_pos & (dir->i_sb->s_blocksize - 1);  in udf_add_entry()
342 	dinfo = UDF_I(dir);  in udf_add_entry()
344 		if (inode_bmap(dir, f_pos >> dir->i_sb->s_blocksize_bits, &epos,  in udf_add_entry()
346 			block = udf_get_lb_pblock(dir->i_sb,  in udf_add_entry()
351 		block = udf_get_lb_pblock(dir->i_sb, &eloc, offset);  in udf_add_entry()
352 		if ((++offset << dir->i_sb->s_blocksize_bits) < elen) {  in udf_add_entry()
360 		fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block);  in udf_add_entry()
370 		fi = udf_fileident_read(dir, &f_pos, fibh, cfi, &epos, &eloc,  in udf_add_entry()
389 				if (!udf_write_fi(dir, cfi, fi, fibh, NULL,  in udf_add_entry()
407 		fibh->soffset -= udf_ext0_offset(dir);  in udf_add_entry()
408 		fibh->eoffset -= udf_ext0_offset(dir);  in udf_add_entry()
409 		f_pos -= udf_ext0_offset(dir);  in udf_add_entry()
414 				udf_expand_dir_adinicb(dir, &block, err);  in udf_add_entry()
418 		epos.offset = udf_file_entry_alloc_offset(dir);  in udf_add_entry()
420 		udf_current_aext(dir, &epos, &eloc, &elen, 1);  in udf_add_entry()
437 					 udf_ext0_offset(dir) +  in udf_add_entry()
442 						dir->i_sb->s_blocksize_bits);  in udf_add_entry()
453 		udf_write_aext(dir, &epos, &eloc, elen, 1);  in udf_add_entry()
465 						dir->i_sb->s_blocksize_bits);  in udf_add_entry()
466 		fibh->ebh = udf_bread(dir,  in udf_add_entry()
467 				f_pos >> dir->i_sb->s_blocksize_bits, 1, err);  in udf_add_entry()
474 		epos.offset = udf_file_entry_alloc_offset(dir);  in udf_add_entry()
478 			while (udf_next_aext(dir, &epos, &eloc, &elen, 1) ==  in udf_add_entry()
482 					dir->i_sb->s_blocksize_bits);  in udf_add_entry()
503 	if (!udf_write_fi(dir, cfi, fi, fibh, NULL, name)) {  in udf_add_entry()
504 		dir->i_size += nfidlen;  in udf_add_entry()
509 			while (udf_next_aext(dir, &epos, &eloc, &elen, 1) ==  in udf_add_entry()
512 			elen -= dinfo->i_lenExtents - dir->i_size;  in udf_add_entry()
517 			udf_write_aext(dir, &epos, &eloc, elen, 1);  in udf_add_entry()
518 			dinfo->i_lenExtents = dir->i_size;  in udf_add_entry()
521 		mark_inode_dirty(dir);  in udf_add_entry()
554 	struct inode *dir = d_inode(dentry->d_parent);  in udf_add_nondir()  local
559 	fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err);  in udf_add_nondir()
570 	udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL);  in udf_add_nondir()
571 	dir->i_ctime = dir->i_mtime = current_fs_time(dir->i_sb);  in udf_add_nondir()
572 	mark_inode_dirty(dir);  in udf_add_nondir()
582 static int udf_create(struct inode *dir, struct dentry *dentry, umode_t mode,  in udf_create()  argument
585 	struct inode *inode = udf_new_inode(dir, mode);  in udf_create()
601 static int udf_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode)  in udf_tmpfile()  argument
603 	struct inode *inode = udf_new_inode(dir, mode);  in udf_tmpfile()
620 static int udf_mknod(struct inode *dir, struct dentry *dentry, umode_t mode,  in udf_mknod()  argument
628 	inode = udf_new_inode(dir, mode);  in udf_mknod()
636 static int udf_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)  in udf_mkdir()  argument
642 	struct udf_inode_info *dinfo = UDF_I(dir);  in udf_mkdir()
645 	inode = udf_new_inode(dir, S_IFDIR | mode);  in udf_mkdir()
670 	fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err);  in udf_mkdir()
683 	udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL);  in udf_mkdir()
684 	inc_nlink(dir);  in udf_mkdir()
685 	dir->i_ctime = dir->i_mtime = current_fs_time(dir->i_sb);  in udf_mkdir()
686 	mark_inode_dirty(dir);  in udf_mkdir()
698 static int empty_dir(struct inode *dir)  in empty_dir()  argument
703 	loff_t size = udf_ext0_offset(dir) + dir->i_size;  in empty_dir()
709 	struct udf_inode_info *dinfo = UDF_I(dir);  in empty_dir()
711 	f_pos = udf_ext0_offset(dir);  in empty_dir()
712 	fibh.soffset = fibh.eoffset = f_pos & (dir->i_sb->s_blocksize - 1);  in empty_dir()
716 	else if (inode_bmap(dir, f_pos >> dir->i_sb->s_blocksize_bits,  in empty_dir()
719 		block = udf_get_lb_pblock(dir->i_sb, &eloc, offset);  in empty_dir()
720 		if ((++offset << dir->i_sb->s_blocksize_bits) < elen) {  in empty_dir()
728 		fibh.sbh = fibh.ebh = udf_tread(dir->i_sb, block);  in empty_dir()
739 		fi = udf_fileident_read(dir, &f_pos, &fibh, &cfi, &epos, &eloc,  in empty_dir()
767 static int udf_rmdir(struct inode *dir, struct dentry *dentry)  in udf_rmdir()  argument
776 	fi = udf_find_entry(dir, &dentry->d_name, &fibh, &cfi);  in udf_rmdir()
782 	if (udf_get_lb_pblock(dir->i_sb, &tloc, 0) != inode->i_ino)  in udf_rmdir()
787 	retval = udf_delete_entry(dir, fi, &fibh, &cfi);  in udf_rmdir()
795 	inode_dec_link_count(dir);  in udf_rmdir()
796 	inode->i_ctime = dir->i_ctime = dir->i_mtime =  in udf_rmdir()
797 						current_fs_time(dir->i_sb);  in udf_rmdir()
798 	mark_inode_dirty(dir);  in udf_rmdir()
809 static int udf_unlink(struct inode *dir, struct dentry *dentry)  in udf_unlink()  argument
819 	fi = udf_find_entry(dir, &dentry->d_name, &fibh, &cfi);  in udf_unlink()
825 	if (udf_get_lb_pblock(dir->i_sb, &tloc, 0) != inode->i_ino)  in udf_unlink()
833 	retval = udf_delete_entry(dir, fi, &fibh, &cfi);  in udf_unlink()
836 	dir->i_ctime = dir->i_mtime = current_fs_time(dir->i_sb);  in udf_unlink()
837 	mark_inode_dirty(dir);  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()  argument
854 	struct inode *inode = udf_new_inode(dir, S_IFLNK | S_IRWXUGO);  in udf_symlink()
865 	struct super_block *sb = dir->i_sb;  in udf_symlink()
999 static int udf_link(struct dentry *old_dentry, struct inode *dir,  in udf_link()  argument
1007 	fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err);  in udf_link()
1017 	udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL);  in udf_link()
1018 	if (UDF_I(dir)->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB)  in udf_link()
1019 		mark_inode_dirty(dir);  in udf_link()
1027 	dir->i_ctime = dir->i_mtime = current_fs_time(dir->i_sb);  in udf_link()
1028 	mark_inode_dirty(dir);  in udf_link()