160 static struct fileIdentDesc *udf_find_entry(struct inode *dir,  in udf_find_entry()  argument
177 	struct udf_inode_info *dinfo = UDF_I(dir);  in udf_find_entry()
180 	struct super_block *sb = dir->i_sb;  in udf_find_entry()
182 	size = udf_ext0_offset(dir) + dir->i_size;  in udf_find_entry()
183 	f_pos = udf_ext0_offset(dir);  in udf_find_entry()
188 		if (inode_bmap(dir, f_pos >> sb->s_blocksize_bits, &epos,  in udf_find_entry()
217 		fi = udf_fileident_read(dir, &f_pos, fibh, cfi, &epos, &eloc,  in udf_find_entry()
286 static struct dentry *udf_lookup(struct inode *dir, struct dentry *dentry,  in udf_lookup()  argument
306 		inode = udf_iget(dir->i_sb, lb);  in udf_lookup()
312 	fi = udf_find_entry(dir, &dentry->d_name, &fibh, &cfi);  in udf_lookup()
324 		inode = udf_iget(dir->i_sb, &loc);  in udf_lookup()
332 static struct fileIdentDesc *udf_add_entry(struct inode *dir,  in udf_add_entry()  argument
337 	struct super_block *sb = dir->i_sb;  in udf_add_entry()
342 	loff_t size = udf_ext0_offset(dir) + dir->i_size;  in udf_add_entry()
377 	f_pos = udf_ext0_offset(dir);  in udf_add_entry()
379 	fibh->soffset = fibh->eoffset = f_pos & (dir->i_sb->s_blocksize - 1);  in udf_add_entry()
380 	dinfo = UDF_I(dir);  in udf_add_entry()
382 		if (inode_bmap(dir, f_pos >> dir->i_sb->s_blocksize_bits, &epos,  in udf_add_entry()
384 			block = udf_get_lb_pblock(dir->i_sb,  in udf_add_entry()
389 		block = udf_get_lb_pblock(dir->i_sb, &eloc, offset);  in udf_add_entry()
390 		if ((++offset << dir->i_sb->s_blocksize_bits) < elen) {  in udf_add_entry()
398 		fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block);  in udf_add_entry()
408 		fi = udf_fileident_read(dir, &f_pos, fibh, cfi, &epos, &eloc,  in udf_add_entry()
427 				if (!udf_write_fi(dir, cfi, fi, fibh, NULL,  in udf_add_entry()
445 		fibh->soffset -= udf_ext0_offset(dir);  in udf_add_entry()
446 		fibh->eoffset -= udf_ext0_offset(dir);  in udf_add_entry()
447 		f_pos -= udf_ext0_offset(dir);  in udf_add_entry()
452 				udf_expand_dir_adinicb(dir, &block, err);  in udf_add_entry()
456 		epos.offset = udf_file_entry_alloc_offset(dir);  in udf_add_entry()
458 		udf_current_aext(dir, &epos, &eloc, &elen, 1);  in udf_add_entry()
475 					 udf_ext0_offset(dir) +  in udf_add_entry()
480 						dir->i_sb->s_blocksize_bits);  in udf_add_entry()
491 		udf_write_aext(dir, &epos, &eloc, elen, 1);  in udf_add_entry()
503 						dir->i_sb->s_blocksize_bits);  in udf_add_entry()
504 		fibh->ebh = udf_bread(dir,  in udf_add_entry()
505 				f_pos >> dir->i_sb->s_blocksize_bits, 1, err);  in udf_add_entry()
512 		epos.offset = udf_file_entry_alloc_offset(dir);  in udf_add_entry()
516 			while (udf_next_aext(dir, &epos, &eloc, &elen, 1) ==  in udf_add_entry()
520 					dir->i_sb->s_blocksize_bits);  in udf_add_entry()
541 	if (!udf_write_fi(dir, cfi, fi, fibh, NULL, name)) {  in udf_add_entry()
542 		dir->i_size += nfidlen;  in udf_add_entry()
547 			while (udf_next_aext(dir, &epos, &eloc, &elen, 1) ==  in udf_add_entry()
550 			elen -= dinfo->i_lenExtents - dir->i_size;  in udf_add_entry()
555 			udf_write_aext(dir, &epos, &eloc, elen, 1);  in udf_add_entry()
556 			dinfo->i_lenExtents = dir->i_size;  in udf_add_entry()
559 		mark_inode_dirty(dir);  in udf_add_entry()
592 	struct inode *dir = d_inode(dentry->d_parent);  in udf_add_nondir()  local
597 	fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err);  in udf_add_nondir()
608 	udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL);  in udf_add_nondir()
609 	dir->i_ctime = dir->i_mtime = current_fs_time(dir->i_sb);  in udf_add_nondir()
610 	mark_inode_dirty(dir);  in udf_add_nondir()
620 static int udf_create(struct inode *dir, struct dentry *dentry, umode_t mode,  in udf_create()  argument
623 	struct inode *inode = udf_new_inode(dir, mode);  in udf_create()
639 static int udf_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode)  in udf_tmpfile()  argument
641 	struct inode *inode = udf_new_inode(dir, mode);  in udf_tmpfile()
658 static int udf_mknod(struct inode *dir, struct dentry *dentry, umode_t mode,  in udf_mknod()  argument
666 	inode = udf_new_inode(dir, mode);  in udf_mknod()
674 static int udf_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)  in udf_mkdir()  argument
680 	struct udf_inode_info *dinfo = UDF_I(dir);  in udf_mkdir()
683 	inode = udf_new_inode(dir, S_IFDIR | mode);  in udf_mkdir()
708 	fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err);  in udf_mkdir()
721 	udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL);  in udf_mkdir()
722 	inc_nlink(dir);  in udf_mkdir()
723 	dir->i_ctime = dir->i_mtime = current_fs_time(dir->i_sb);  in udf_mkdir()
724 	mark_inode_dirty(dir);  in udf_mkdir()
736 static int empty_dir(struct inode *dir)  in empty_dir()  argument
741 	loff_t size = udf_ext0_offset(dir) + dir->i_size;  in empty_dir()
747 	struct udf_inode_info *dinfo = UDF_I(dir);  in empty_dir()
749 	f_pos = udf_ext0_offset(dir);  in empty_dir()
750 	fibh.soffset = fibh.eoffset = f_pos & (dir->i_sb->s_blocksize - 1);  in empty_dir()
754 	else if (inode_bmap(dir, f_pos >> dir->i_sb->s_blocksize_bits,  in empty_dir()
757 		block = udf_get_lb_pblock(dir->i_sb, &eloc, offset);  in empty_dir()
758 		if ((++offset << dir->i_sb->s_blocksize_bits) < elen) {  in empty_dir()
766 		fibh.sbh = fibh.ebh = udf_tread(dir->i_sb, block);  in empty_dir()
777 		fi = udf_fileident_read(dir, &f_pos, &fibh, &cfi, &epos, &eloc,  in empty_dir()
805 static int udf_rmdir(struct inode *dir, struct dentry *dentry)  in udf_rmdir()  argument
814 	fi = udf_find_entry(dir, &dentry->d_name, &fibh, &cfi);  in udf_rmdir()
823 	if (udf_get_lb_pblock(dir->i_sb, &tloc, 0) != inode->i_ino)  in udf_rmdir()
828 	retval = udf_delete_entry(dir, fi, &fibh, &cfi);  in udf_rmdir()
836 	inode_dec_link_count(dir);  in udf_rmdir()
837 	inode->i_ctime = dir->i_ctime = dir->i_mtime =  in udf_rmdir()
838 						current_fs_time(dir->i_sb);  in udf_rmdir()
839 	mark_inode_dirty(dir);  in udf_rmdir()
850 static int udf_unlink(struct inode *dir, struct dentry *dentry)  in udf_unlink()  argument
860 	fi = udf_find_entry(dir, &dentry->d_name, &fibh, &cfi);  in udf_unlink()
870 	if (udf_get_lb_pblock(dir->i_sb, &tloc, 0) != inode->i_ino)  in udf_unlink()
878 	retval = udf_delete_entry(dir, fi, &fibh, &cfi);  in udf_unlink()
881 	dir->i_ctime = dir->i_mtime = current_fs_time(dir->i_sb);  in udf_unlink()
882 	mark_inode_dirty(dir);  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()  argument
899 	struct inode *inode = udf_new_inode(dir, S_IFLNK | S_IRWXUGO);  in udf_symlink()
910 	struct super_block *sb = dir->i_sb;  in udf_symlink()
1044 static int udf_link(struct dentry *old_dentry, struct inode *dir,  in udf_link()  argument
1052 	fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err);  in udf_link()
1062 	udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL);  in udf_link()
1063 	if (UDF_I(dir)->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB)  in udf_link()
1064 		mark_inode_dirty(dir);  in udf_link()
1072 	dir->i_ctime = dir->i_mtime = current_fs_time(dir->i_sb);  in udf_link()
1073 	mark_inode_dirty(dir);  in udf_link()