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mds: efficiently issue_caps for scatterlocks unlock during refragment

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Signed-off-by: Sage Weil <sage@newdream.net>
This commit is contained in:
Sage Weil 2011-06-09 12:52:22 -07:00
parent f62f8deb21
commit cc398ccfa7
1 changed files with 7 additions and 3 deletions
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10
src/mds/MDCache.cc
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@ -9683,9 +9683,10 @@ void MDCache::fragment_logged_and_stored(Mutation *mut, list<CDir*>& resultfrags
delete mut;
// drop dft wrlock
mds->locker->wrlock_finish(&diri->dirfragtreelock, NULL);
mds->locker->wrlock_finish(&diri->nestlock, NULL);
mds->locker->wrlock_finish(&diri->filelock, NULL);
bool need_issue = false;
mds->locker->wrlock_finish(&diri->dirfragtreelock, NULL, &need_issue);
mds->locker->wrlock_finish(&diri->nestlock, NULL, &need_issue);
mds->locker->wrlock_finish(&diri->filelock, NULL, &need_issue);
// unfreeze resulting frags
for (list<CDir*>::iterator p = resultfrags.begin();
@ -9708,6 +9709,9 @@ void MDCache::fragment_logged_and_stored(Mutation *mut, list<CDir*>& resultfrags
dir->unfreeze_dir();
}
if (need_issue)
mds->locker->issue_caps(diri);
}