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mds: tolerate a missing directory object

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Including error in log, mark dir complete.  Some metadata may
be missing!
This commit is contained in:
Sage Weil 2009-07-29 10:39:58 -07:00
parent 96598f43d8
commit df39e7b8cb
1 changed files with 19 additions and 0 deletions
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19
src/mds/CDir.cc
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@ -1060,6 +1060,25 @@ void CDir::_fetched(bufferlist &bl)
assert(is_auth());
assert(!is_frozen());
// empty?!?
if (bl.length() == 0) {
dout(0) << "_fetched missing object for " << *this << dendl;
stringstream ss;
ss << "dir " << ino() << "." << dirfrag() << " object missing on disk; some files may be lost";
cache->mds->logclient.log(LOG_ERROR, ss);
log_mark_dirty();
// mark complete, !fetching
state_set(STATE_COMPLETE);
state_clear(STATE_FETCHING);
auth_unpin(this);
// kick waiters
finish_waiting(WAIT_COMPLETE, 0);
return;
}
// decode trivialmap.
int len = bl.length();
bufferlist::iterator p = bl.begin();