Commit 3954096d authored Aug 01, 2012 by Alexander Block Committed by Chris Mason Oct 01, 2012

Btrfs: fix check for changed extent in is_extent_unchanged



The previous check was working fine, but this check should be
easier to read. Also, we could theoritically have some exotic
bugs with the previous checks.

Signed-off-by: Alexander Block <ablock84@googlemail.com>

parent 5dc67d0b

fs/btrfs/send.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -3819,8 +3819,8 @@ static int is_extent_unchanged(struct send_ctx *sctx,
		/*
		* Check if we have the same extent.
		*/
		if (left_disknr + left_offset_fixed !=
		right_disknr + right_offset) {
		if (left_disknr != right_disknr \|\|
		left_offset_fixed != right_offset) {
		ret = 0;
		goto out;
		}