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[PATCH] md: Calculate correct array size for raid10 in new offset mode

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The size calculation made assumtion which the new offset mode didn't
follow.  This gets the size right in all cases.

Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
NeilBrown 2006-06-26 00:27:50 -07:00 committed by Linus Torvalds
parent ce25c31bdd
commit 8838832830
1 changed files with 7 additions and 1 deletions
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8
drivers/md/raid10.c
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@ -2060,7 +2060,13 @@ static int run(mddev_t *mddev)
/*
* Ok, everything is just fine now
*/
size = conf->stride * conf->raid_disks;
if (conf->far_offset) {
size = mddev->size >> (conf->chunk_shift-1);
size *= conf->raid_disks;
size <<= conf->chunk_shift;
sector_div(size, conf->far_copies);
} else
size = conf->stride * conf->raid_disks;
sector_div(size, conf->near_copies);
mddev->array_size = size/2;
mddev->resync_max_sectors = size;