[Utopic][PATCH 1/1] ceph: fix request time stamp encoding
Kamal Mostafa
kamal at canonical.com
Fri Apr 1 21:32:02 UTC 2016
From: "Yan, Zheng" <zyan at redhat.com>
commit 1f041a89b4f22cf2e701514f4b8f73a8b1e06a3e upstream.
struct timespec uses 'long' to present second and nanosecond. 'long'
is 64 bits on 64bits machine. ceph MDS expects time stamp to be
encoded as struct ceph_timespec, which uses 'u32' to present second
and nanosecond.
Signed-off-by: Yan, Zheng <zyan at redhat.com>
BugLink: http://tracker.ceph.com/issues/15302
BugLink: http://bugs.launchpad.net/bugs/1564950
[ kamal: backport to 3.16-stable: no time stamp in __prepare_send_request() ]
Signed-off-by: Kamal Mostafa <kamal at canonical.com>
---
fs/ceph/mds_client.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 63f2bc8..6b6f11b 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -1841,7 +1841,11 @@ static struct ceph_msg *create_request_message(struct ceph_mds_client *mdsc,
head->num_releases = cpu_to_le16(releases);
/* time stamp */
- ceph_encode_copy(&p, &req->r_stamp, sizeof(req->r_stamp));
+ {
+ struct ceph_timespec ts;
+ ceph_encode_timespec(&ts, &req->r_stamp);
+ ceph_encode_copy(&p, &ts, sizeof(ts));
+ }
BUG_ON(p > end);
msg->front.iov_len = p - msg->front.iov_base;
--
2.7.4
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