From 8838832830d2c6c28ae2db93188ae90652eb7fc2 Mon Sep 17 00:00:00 2001 From: NeilBrown Date: Mon, 26 Jun 2006 00:27:50 -0700 Subject: [PATCH] md: Calculate correct array size for raid10 in new offset mode 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 Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/md/raid10.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 4db34edfd87f..7f636283a1ba 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -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; -- cgit v1.2.1