ufs_getfrag_block(): turn following indirects into a loop (4eeff4c9) · Commits · e / devices / android_kernel_teracube_2e

fs/ufs/inode.c

+8 −24

Original line number	Diff line number	Diff line
		@@ -444,37 +444,21 @@ static int ufs_getfrag_block(struct inode *inode, sector_t fragment, struct buff
		if (depth == 1) {
		phys64 = ufs_inode_getfrag(inode, offsets[0], fragment,
		&err, &phys, &new, bh_result->b_page);
		if (phys64) {
		phys64 += frag;
		phys = phys64;
		}
		goto out;
		}
		if (depth == 2) {
		phys64 = ufs_inode_getfrag(inode, offsets[0], fragment,
		&err, NULL, NULL, bh_result->b_page);
		goto get_indirect;
		}
		if (depth == 3) {
		phys64 = ufs_inode_getfrag(inode, offsets[0], fragment,
		&err, NULL, NULL, bh_result->b_page);
		goto get_double;
		}
		} else {
		int i;
		phys64 = ufs_inode_getfrag(inode, offsets[0], fragment,
		&err, NULL, NULL, bh_result->b_page);
		phys64 = ufs_inode_getblock(inode, phys64, offsets[1],
		for (i = 1; i < depth - 1; i++)
		phys64 = ufs_inode_getblock(inode, phys64, offsets[i],
		fragment, &err, NULL, NULL, NULL);
		get_double:
		phys64 = ufs_inode_getblock(inode, phys64, offsets[depth - 2],
		fragment, &err, NULL, NULL, NULL);
		get_indirect:
		phys64 = ufs_inode_getblock(inode, phys64, offsets[depth - 1],
		fragment, &err, &phys, &new, bh_result->b_page);
		}
		out:
		if (phys64) {
		phys64 += frag;
		phys = phys64;
		}
		out:
		if (err)
		goto abort;
		if (new)