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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>
This commit is contained in:
Alexander Block 2012-08-01 12:46:05 +02:00 committed by Chris Mason
parent 5dc67d0ba9
commit 3954096d4b
1 changed files with 2 additions and 2 deletions
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4
fs/btrfs/send.c
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@ -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;
}