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mds: optimize MDCache::rejoin_scour_survivor_replicas()

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avoid iterating dentries if dirfrag is non-auth

Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
This commit is contained in:
Yan, Zheng 2017-09-13 15:55:46 +08:00
parent fd447405be
commit d32a237604
1 changed files with 3 additions and 2 deletions
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5
src/mds/MDCache.cc
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@ -4538,9 +4538,10 @@ void MDCache::rejoin_scour_survivor_replicas(mds_rank_t from, MMDSCacheRejoin *a
p != dfs.end(); p != dfs.end();
++p) { ++p) {
CDir *dir = *p; CDir *dir = *p;
if (!dir->is_auth())
continue;
if (dir->is_auth() && if (dir->is_replica(from) &&
dir->is_replica(from) &&
(ack == NULL || ack->strong_dirfrags.count(dir->dirfrag()) == 0)) { (ack == NULL || ack->strong_dirfrags.count(dir->dirfrag()) == 0)) {
dir->remove_replica(from); dir->remove_replica(from);
dout(10) << " rem " << *dir << dendl; dout(10) << " rem " << *dir << dendl;