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crush: decode and initialize chooseleaf_vary_r

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Commit e2b149cc4ba0 ("crush: add chooseleaf_vary_r tunable") added the
crush_map::chooseleaf_vary_r field but missed the decode part.  This
lead to misdirected requests caused by incorrect raw crush mapping
sets.

Fixes: http://tracker.ceph.com/issues/8226

Reported-and-Tested-by: Dmitry Smirnov <onlyjob@member.fsf.org>
Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com>
Reviewed-by: Sage Weil <sage@inktank.com>
This commit is contained in:
Ilya Dryomov 2014-05-09 18:27:34 +04:00
parent 178eda29ca
commit f140662f35
1 changed files with 5 additions and 0 deletions
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5
net/ceph/osdmap.c
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@ -329,6 +329,11 @@ static struct crush_map *crush_decode(void *pbyval, void *end)
dout("crush decode tunable chooseleaf_descend_once = %d",
c->chooseleaf_descend_once);
ceph_decode_need(p, end, sizeof(u8), done);
c->chooseleaf_vary_r = ceph_decode_8(p);
dout("crush decode tunable chooseleaf_vary_r = %d",
c->chooseleaf_vary_r);
done:
dout("crush_decode success\n");
return c;