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| author | NeilBrown <neilb@suse.de> | 2006-06-26 00:27:50 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-26 09:58:39 -0700 |
| commit | 8838832830d2c6c28ae2db93188ae90652eb7fc2 (patch) | |
| tree | d17a7027161352ea1893236dc6ea5bd309f6ceb4 | |
| parent | ce25c31bdd3b39266debd86a7732007e05983a67 (diff) | |
| download | linux-3.10-8838832830d2c6c28ae2db93188ae90652eb7fc2.tar.gz linux-3.10-8838832830d2c6c28ae2db93188ae90652eb7fc2.tar.bz2 linux-3.10-8838832830d2c6c28ae2db93188ae90652eb7fc2.zip | |
[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 <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | drivers/md/raid10.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 4db34edfd87..7f636283a1b 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; |