From: "Yan, Zheng" <zheng.z.yan@xxxxxxxxx>
To propagate rstats to one level up, we need lock both parent
inode's nestlock and versionlock.
Signed-off-by: Yan, Zheng <zheng.z.yan@xxxxxxxxx>
---
src/mds/MDCache.cc | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/mds/MDCache.cc b/src/mds/MDCache.cc
index 88a248b..690c2ed 100644
--- a/src/mds/MDCache.cc
+++ b/src/mds/MDCache.cc
@@ -1917,7 +1917,8 @@ void MDCache::predirty_journal_parents(Mutation *mut, EMetaBlob *blob,
// rstat
if (!primary_dn) {
// don't update parent this pass
- } else if (!linkunlink && !parent->inode->nestlock.can_wrlock(-1)) {
+ } else if (!linkunlink && !(parent->inode->nestlock.can_wrlock(-1) &&
+ parent->inode->versionlock.can_wrlock())) {
dout(20) << " unwritable parent nestlock " << parent->inode->nestlock
<< ", marking dirty rstat on " << *cur << dendl;
cur->mark_dirty_rstat();
--
1.7.11.7
--
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