fs/ext2/inode.c

325  *	@partial: pointer to the last triple within a chain
331 					  Indirect *partial)
346 	return ext2_find_near(inode, partial);
466  *	we had read the existing part of chain and partial points to the last
632 	Indirect *partial;
648 	partial = ext2_get_branch(inode, depth, offsets, chain, &err);
650 	if (!partial) {
666 				partial = chain + depth - 1;
696 	if (err == -EAGAIN || !verify_chain(chain, partial)) {
697 		while (partial > chain) {
698 			brelse(partial->bh);
699 			partial--;
701 		partial = ext2_get_branch(inode, depth, offsets, chain, &err);
702 		if (!partial) {
721 	goal = ext2_find_goal(inode, iblock, partial);
724 	indirect_blks = (chain + depth) - partial - 1;
729 	count = ext2_blks_to_allocate(partial, indirect_blks,
735 				offsets + (partial - chain), partial);
765 	ext2_splice_branch(inode, iblock, partial, indirect_blks, count);
772 	partial = chain + depth - 1;	/* the whole chain */
774 	while (partial > chain) {
775 		brelse(partial->bh);
776 		partial--;
995  *	ext2_find_shared - find the indirect blocks for partial truncation.
999  *	@chain:	  place to store the pointers to partial indirect blocks
1034 	Indirect *partial, *p;
1040 	partial = ext2_get_branch(inode, k, offsets, chain, &err);
1041 	if (!partial)
1042 		partial = chain + k-1;
1048 	if (!partial->key && *partial->p) {
1052 	for (p=partial; p>chain && all_zeroes((__le32*)p->bh->b_data,p->p); p--)
1058 	 * it's easier to cheat and just decrement partial->p.
1068 	while(partial > p)
1070 		brelse(partial->bh);
1071 		partial--;
1074 	return partial;
1170 	Indirect *partial;
1198 	partial = ext2_find_shared(inode, n, offsets, chain, &nr);
1201 		if (partial == chain)
1204 			mark_buffer_dirty_inode(partial->bh, inode);
1205 		ext2_free_branches(inode, &nr, &nr+1, (chain+n-1) - partial);
1208 	while (partial > chain) {
1210 				   partial->p + 1,
1211 				   (__le32*)partial->bh->b_data+addr_per_block,
1212 				   (chain+n-1) - partial);
1213 		mark_buffer_dirty_inode(partial->bh, inode);
1214 		brelse (partial->bh);
1215 		partial--;