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Btrfs: fix check for changed extent in is_extent_unchanged

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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. * Check if we have the same extent.
*/ */
if (left_disknr + left_offset_fixed != if (left_disknr != right_disknr ||
right_disknr + right_offset) { left_offset_fixed != right_offset) {
ret = 0; ret = 0;
goto out; goto out;
} }