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Btrfs: fix raid10 reading math

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The btrfs-progs raid10 code has been silently reading the wrong
raid10 block forever.  We didn't notice because it was always fixed
up by the retry code.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason 2011-11-03 12:17:49 -04:00
parent 6055e73604
commit 882895d411
1 changed files with 0 additions and 2 deletions
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2
volumes.c
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@ -1170,8 +1170,6 @@ again:
multi->num_stripes = map->sub_stripes;
else if (mirror_num)
stripe_index += mirror_num - 1;
else
stripe_index = stripe_nr % map->sub_stripes;
stripe_nr = stripe_nr / factor;
} else if (map->type & BTRFS_BLOCK_GROUP_DUP) {