From: Xiubo Li <xiubli@redhat.com>
Date: Thu, 24 Dec 2020 01:46:55 +0000 (+0800)
Subject: client: fix the cache size check
X-Git-Tag: v16.1.0~101^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=refs%2Fpull%2F38698%2Fhead;p=ceph.git

client: fix the cache size check

Only when the cache shrank will it make sense to notify the unmount.

Signed-off-by: Xiubo Li <xiubli@redhat.com>
---

diff --git a/src/client/Client.cc b/src/client/Client.cc
index a0ef9720fe8e..a6e2199ed3fc 100644
--- a/src/client/Client.cc
+++ b/src/client/Client.cc
@@ -2711,7 +2711,7 @@ bool Client::ms_dispatch2(const MessageRef &m)
              << "+" << inode_map.size() << dendl;
     uint64_t size = lru.lru_get_size() + inode_map.size();
     trim_cache();
-    if (size < lru.lru_get_size() + inode_map.size()) {
+    if (size > lru.lru_get_size() + inode_map.size()) {
       ldout(cct, 10) << "unmounting: trim pass, cache shrank, poking unmount()" << dendl;
       mount_cond.notify_all();
     } else {