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authorYan, Zheng <zheng.z.yan@intel.com>2013-10-31 09:10:47 +0800
committerSage Weil <sage@inktank.com>2013-11-23 11:01:05 -0800
commitfc55d2c9448b34218ca58733a6f51fbede09575b (patch)
tree3aacd587707e00cd58ae7db659d73993ef7703ef /fs/ceph
parenteb1b8af33c2e42a9a57fc0a7588f4a7b255d2e79 (diff)
downloadlinux-fc55d2c9448b34218ca58733a6f51fbede09575b.tar.bz2
ceph: wake up 'safe' waiters when unregistering request
We also need to wake up 'safe' waiters if error occurs or request aborted. Otherwise sync(2)/fsync(2) may hang forever. Signed-off-by: Yan, Zheng <zheng.z.yan@intel.com> Signed-off-by: Sage Weil <sage@inktank.com>
Diffstat (limited to 'fs/ceph')
-rw-r--r--fs/ceph/mds_client.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 8ef79266d064..d90861f45210 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -644,6 +644,8 @@ static void __unregister_request(struct ceph_mds_client *mdsc,
req->r_unsafe_dir = NULL;
}
+ complete_all(&req->r_safe_completion);
+
ceph_mdsc_put_request(req);
}
@@ -2186,7 +2188,6 @@ static void handle_reply(struct ceph_mds_session *session, struct ceph_msg *msg)
if (head->safe) {
req->r_got_safe = true;
__unregister_request(mdsc, req);
- complete_all(&req->r_safe_completion);
if (req->r_got_unsafe) {
/*