From: "Yan, Zheng" <zheng.z....@intel.com>
discover_ino() may return -ENOENT if it races with other FS activities.
so use C_MDC_RetryOpenRemoteIno instead of C_MDC_OpenRemoteIno as
onfinish callback.
Signed-off-by: Yan, Zheng <zheng.z....@intel.com>
---
src/mds/MDCache.cc | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/src/mds/MDCache.cc b/src/mds/MDCache.cc
index 690c2ed..48ccc7e 100644
--- a/src/mds/MDCache.cc
+++ b/src/mds/MDCache.cc
@@ -7122,7 +7122,8 @@ void MDCache::open_remote_ino_2(inodeno_t ino,
if (!dir && in->is_auth()) {
if (in->is_frozen_dir()) {
dout(7) << "traverse: " << *in << " is frozen_dir, waiting" << dendl;
- in->parent->dir->add_waiter(CDir::WAIT_UNFREEZE, onfinish);
+ in->parent->dir->add_waiter(CDir::WAIT_UNFREEZE,
+ new C_MDC_RetryOpenRemoteIno(this, ino,
onfinish));
return;
}
dir = in->get_or_open_dirfrag(this, frag);
@@ -7157,7 +7158,7 @@ void MDCache::open_remote_ino_2(inodeno_t ino,
dout(10) << "have remote dirfrag " << *dir << ", discovering "
<< anchortrace[i].ino << dendl;
discover_ino(dir, anchortrace[i].ino,
- new C_MDC_OpenRemoteIno(this, ino, anchortrace, onfinish));
+ new C_MDC_RetryOpenRemoteIno(this, ino, onfinish));
}
}
--
1.7.11.7
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