160 static struct fileIdentDesc *udf_find_entry(struct inode *dir,  in udf_find_entry()  argument
178 	struct udf_inode_info *dinfo = UDF_I(dir);  in udf_find_entry()
181 	struct super_block *sb = dir->i_sb;  in udf_find_entry()
183 	size = udf_ext0_offset(dir) + dir->i_size;  in udf_find_entry()
184 	f_pos = udf_ext0_offset(dir);  in udf_find_entry()
189 		if (inode_bmap(dir, f_pos >> sb->s_blocksize_bits, &epos,  in udf_find_entry()
218 		fi = udf_fileident_read(dir, &f_pos, fibh, cfi, &epos, &eloc,  in udf_find_entry()
296 static struct dentry *udf_lookup(struct inode *dir, struct dentry *dentry,  in udf_lookup()  argument
316 		inode = udf_iget(dir->i_sb, lb);  in udf_lookup()
322 	fi = udf_find_entry(dir, &dentry->d_name, &fibh, &cfi);  in udf_lookup()
334 		inode = udf_iget(dir->i_sb, &loc);  in udf_lookup()
342 static struct fileIdentDesc *udf_add_entry(struct inode *dir,  in udf_add_entry()  argument
347 	struct super_block *sb = dir->i_sb;  in udf_add_entry()
352 	loff_t size = udf_ext0_offset(dir) + dir->i_size;  in udf_add_entry()
386 	f_pos = udf_ext0_offset(dir);  in udf_add_entry()
388 	fibh->soffset = fibh->eoffset = f_pos & (dir->i_sb->s_blocksize - 1);  in udf_add_entry()
389 	dinfo = UDF_I(dir);  in udf_add_entry()
391 		if (inode_bmap(dir, f_pos >> dir->i_sb->s_blocksize_bits, &epos,  in udf_add_entry()
393 			block = udf_get_lb_pblock(dir->i_sb,  in udf_add_entry()
398 		block = udf_get_lb_pblock(dir->i_sb, &eloc, offset);  in udf_add_entry()
399 		if ((++offset << dir->i_sb->s_blocksize_bits) < elen) {  in udf_add_entry()
407 		fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block);  in udf_add_entry()
417 		fi = udf_fileident_read(dir, &f_pos, fibh, cfi, &epos, &eloc,  in udf_add_entry()
432 				if (!udf_write_fi(dir, cfi, fi, fibh, NULL,  in udf_add_entry()
450 		fibh->soffset -= udf_ext0_offset(dir);  in udf_add_entry()
451 		fibh->eoffset -= udf_ext0_offset(dir);  in udf_add_entry()
452 		f_pos -= udf_ext0_offset(dir);  in udf_add_entry()
457 				udf_expand_dir_adinicb(dir, &block, err);  in udf_add_entry()
461 		epos.offset = udf_file_entry_alloc_offset(dir);  in udf_add_entry()
463 		udf_current_aext(dir, &epos, &eloc, &elen, 1);  in udf_add_entry()
480 					 udf_ext0_offset(dir) +  in udf_add_entry()
485 						dir->i_sb->s_blocksize_bits);  in udf_add_entry()
496 		udf_write_aext(dir, &epos, &eloc, elen, 1);  in udf_add_entry()
508 						dir->i_sb->s_blocksize_bits);  in udf_add_entry()
509 		fibh->ebh = udf_bread(dir,  in udf_add_entry()
510 				f_pos >> dir->i_sb->s_blocksize_bits, 1, err);  in udf_add_entry()
517 		epos.offset = udf_file_entry_alloc_offset(dir);  in udf_add_entry()
521 			while (udf_next_aext(dir, &epos, &eloc, &elen, 1) ==  in udf_add_entry()
525 					dir->i_sb->s_blocksize_bits);  in udf_add_entry()
546 	if (!udf_write_fi(dir, cfi, fi, fibh, NULL, name)) {  in udf_add_entry()
547 		dir->i_size += nfidlen;  in udf_add_entry()
552 			while (udf_next_aext(dir, &epos, &eloc, &elen, 1) ==  in udf_add_entry()
555 			elen -= dinfo->i_lenExtents - dir->i_size;  in udf_add_entry()
560 			udf_write_aext(dir, &epos, &eloc, elen, 1);  in udf_add_entry()
561 			dinfo->i_lenExtents = dir->i_size;  in udf_add_entry()
564 		mark_inode_dirty(dir);  in udf_add_entry()
597 	struct inode *dir = d_inode(dentry->d_parent);  in udf_add_nondir()  local
602 	fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err);  in udf_add_nondir()
612 	udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL);  in udf_add_nondir()
613 	dir->i_ctime = dir->i_mtime = current_time(dir);  in udf_add_nondir()
614 	mark_inode_dirty(dir);  in udf_add_nondir()
623 static int udf_create(struct inode *dir, struct dentry *dentry, umode_t mode,  in udf_create()  argument
626 	struct inode *inode = udf_new_inode(dir, mode);  in udf_create()
642 static int udf_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode)  in udf_tmpfile()  argument
644 	struct inode *inode = udf_new_inode(dir, mode);  in udf_tmpfile()
661 static int udf_mknod(struct inode *dir, struct dentry *dentry, umode_t mode,  in udf_mknod()  argument
669 	inode = udf_new_inode(dir, mode);  in udf_mknod()
677 static int udf_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)  in udf_mkdir()  argument
683 	struct udf_inode_info *dinfo = UDF_I(dir);  in udf_mkdir()
686 	inode = udf_new_inode(dir, S_IFDIR | mode);  in udf_mkdir()
710 	fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err);  in udf_mkdir()
722 	udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL);  in udf_mkdir()
723 	inc_nlink(dir);  in udf_mkdir()
724 	dir->i_ctime = dir->i_mtime = current_time(dir);  in udf_mkdir()
725 	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()
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_time(dir);  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 | 0777);  in udf_symlink()
910 	struct super_block *sb = dir->i_sb;  in udf_symlink()
1045 static int udf_link(struct dentry *old_dentry, struct inode *dir,  in udf_link()  argument
1053 	fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err);  in udf_link()
1063 	udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL);  in udf_link()
1064 	if (UDF_I(dir)->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB)  in udf_link()
1065 		mark_inode_dirty(dir);  in udf_link()
1073 	dir->i_ctime = dir->i_mtime = current_time(dir);  in udf_link()
1074 	mark_inode_dirty(dir);  in udf_link()