diff mbox

[06/16] mds: clear lock flushed if replica is waiting for AC_LOCKFLUSHED

Message ID 1353293028-15238-7-git-send-email-zheng.z.yan@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Yan, Zheng Nov. 19, 2012, 2:43 a.m. UTC 
From: "Yan, Zheng" <zheng.z.yan@intel.com>

So eval_gather() will not skip calling scatter_writebehind(),
otherwise the replica lock may be in flushing state forever.

Signed-off-by: Yan, Zheng <zheng.z.yan@intel.com>
---
 src/mds/Locker.cc | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
diff mbox

Patch

diff --git a/src/mds/Locker.cc b/src/mds/Locker.cc
index b67b3ee..c500be5 100644
--- a/src/mds/Locker.cc
+++ b/src/mds/Locker.cc
@@ -4404,8 +4404,12 @@  void Locker::handle_file_lock(ScatterLock *lock, MLock *m)
     if (lock->get_state() == LOCK_MIX_LOCK ||
 	lock->get_state() == LOCK_MIX_LOCK2 ||
 	lock->get_state() == LOCK_MIX_EXCL ||
-	lock->get_state() == LOCK_MIX_TSYN)
+	lock->get_state() == LOCK_MIX_TSYN) {
       lock->decode_locked_state(m->get_data());
+      // replica is waiting for AC_LOCKFLUSHED, eval_gather() should not
+      // delay calling scatter_writebehind().
+      lock->clear_flushed();
+    }
 
     if (lock->is_gathering()) {
       dout(7) << "handle_file_lock " << *in << " from " << from