fs/ext3/inode.c

289  *	ext3_block_to_path - parse the block number into array of offsets
292  *	@offsets: array to store the offsets in
300  *	return value is the path length and @offsets[n] is the offset of
320 			long i_block, int offsets[4], int *boundary)
333 		offsets[n++] = i_block;
336 		offsets[n++] = EXT3_IND_BLOCK;
337 		offsets[n++] = i_block;
340 		offsets[n++] = EXT3_DIND_BLOCK;
341 		offsets[n++] = i_block >> ptrs_bits;
342 		offsets[n++] = i_block & (ptrs - 1);
345 		offsets[n++] = EXT3_TIND_BLOCK;
346 		offsets[n++] = i_block >> (ptrs_bits * 2);
347 		offsets[n++] = (i_block >> ptrs_bits) & (ptrs - 1);
348 		offsets[n++] = i_block & (ptrs - 1);
362  *	@offsets: offsets of pointers in inode/indirect blocks
387 static Indirect *ext3_get_branch(struct inode *inode, int depth, int *offsets,
396 	add_chain (chain, NULL, EXT3_I(inode)->i_data + *offsets);
406 		add_chain(++p, bh, (__le32*)bh->b_data + *++offsets);
604  *	@offsets: offsets (in the blocks) to store the pointers to next.
626 			int *offsets, Indirect *branch)
663 		branch[n].p = (__le32 *) bh->b_data + offsets[n];
828 	int offsets[4];
841 	depth = ext3_block_to_path(inode,iblock,offsets,&blocks_to_boundary);
846 	partial = ext3_get_branch(inode, depth, offsets, chain, &err);
903 		partial = ext3_get_branch(inode, depth, offsets, chain, &err);
936 				offsets + (partial - chain), partial);
1996  *	@offsets: offsets of pointers in that branch (see ext3_block_to_path)
2028 			int offsets[4], Indirect chain[4], __le32 *top)
2035 	for (k = depth; k > 1 && !offsets[k-1]; k--)
2037 	partial = ext3_get_branch(inode, k, offsets, chain, &err);
2381 	int offsets[4];
2427 	n = ext3_block_to_path(inode, last_block, offsets, NULL);
2459 		ext3_free_data(handle, inode, NULL, i_data+offsets[0],
2464 	partial = ext3_find_shared(inode, n, offsets, chain, &nr);
2495 	switch (offsets[0]) {
3223  * start and end offsets in here as well we could do block_to_path() on each