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mds: mark scatterlock stale on import of stale frag scatter stat

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When the lock scattered, if we didn't have an auth frag that was frozen,
we go into MIX state.  Later, we may import a stale dirfrag.  We need to
move to MIX_STALE at that point, and/or mark the lock stale so that any
subsequent transition does so.

Signed-off-by: Sage Weil <sage@newdream.net>
This commit is contained in:
Sage Weil 2010-11-04 22:48:09 -07:00
parent 63c1ad84d2
commit 663b470f91
1 changed files with 19 additions and 0 deletions
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19
src/mds/CDir.cc
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@ -1871,6 +1871,25 @@ void CDir::decode_import(bufferlist::iterator& blp, utime_t now)
cache->mds->locker->mark_updated_scatterlock(&inode->nestlock);
if (!(fnode.fragstat == fnode.accounted_fragstat))
cache->mds->locker->mark_updated_scatterlock(&inode->filelock);
// stale fragstat?
inode_t *pi = inode->get_projected_inode();
if (fnode.fragstat.version != pi->dirstat.version) {
dout(10) << " got stale fragstat " << fnode.fragstat << " vs inode " << pi->dirstat << dendl;
if (inode->filelock.get_state() == LOCK_MIX)
inode->filelock.set_state(LOCK_MIX_STALE);
else if (inode->filelock.get_state() != LOCK_MIX_STALE)
inode->filelock.set_stale();
}
// stale rstat?
if (fnode.rstat.version != pi->rstat.version) {
dout(10) << " got stale rstat " << fnode.rstat << " vs inode " << pi->rstat << dendl;
if (inode->nestlock.get_state() == LOCK_MIX)
inode->nestlock.set_state(LOCK_MIX_STALE);
else if (inode->nestlock.get_state() != LOCK_MIX_STALE)
inode->nestlock.set_stale();
}
}