From: "Yan, Zheng" <zheng.z.yan@xxxxxxxxx>
Trim non auth subtree directory if all its dentries were trimmed
and it's not bound of auth subtree.
Signed-off-by: Yan, Zheng <zheng.z.yan@xxxxxxxxx>
---
src/mds/MDCache.cc | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/src/mds/MDCache.cc b/src/mds/MDCache.cc
index 1348b3e..397b991 100644
--- a/src/mds/MDCache.cc
+++ b/src/mds/MDCache.cc
@@ -5412,6 +5412,15 @@ bool MDCache::trim(int max)
++i)
lru.lru_insert_mid(*i);
+ for (map<CDir*, set<CDir*> >::iterator p = subtrees.begin();
+ p != subtrees.end();) {
+ CDir *dir = p->first;
+ p++;
+ if (!dir->is_auth() && !dir->get_inode()->is_auth()) {
+ if (dir->get_num_ref() == 1) // subtree pin
+ trim_dirfrag(dir, 0, expiremap);
+ }
+ }
// trim root?
if (max == 0 && root) {
list<CDir*> ls;
--
1.7.11.4
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