From: NeilBrown <neilb@suse.de>
To: Andrew Morton <akpm@osdl.org>
Cc: linux-raid@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH 003 of 3] md: Calculate correct array size for raid10 in new offset mode.
Date: Tue, 16 May 2006 11:13:12 +1000 [thread overview]
Message-ID: <1060516011312.2735@suse.de> (raw)
In-Reply-To: 20060516111036.2649.patches@notabene
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>
### Diffstat output
./drivers/md/raid10.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff ./drivers/md/raid10.c~current~ ./drivers/md/raid10.c
--- ./drivers/md/raid10.c~current~ 2006-05-16 11:09:25.000000000 +1000
+++ ./drivers/md/raid10.c 2006-05-16 11:09:42.000000000 +1000
@@ -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;
next prev parent reply other threads:[~2006-05-16 1:13 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-16 1:12 [PATCH 000 of 3] md: Introduction - 3 bugfixs for -mm NeilBrown
2006-05-16 1:13 ` [PATCH 001 of 3] md: Change md/bitmap file handling to use bmap to file blocks-fix NeilBrown
2006-05-16 1:54 ` Andrew Morton
2006-05-16 2:16 ` Neil Brown
2006-05-16 1:13 ` [PATCH 002 of 3] md: Fix inverted test for 'repair' directive NeilBrown
2006-05-16 1:13 ` NeilBrown [this message]
2006-05-17 12:04 ` [PATCH 000 of 3] md: Introduction - 3 bugfixs for -mm Reuben Farrelly
2006-05-17 23:28 ` Neil Brown
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