GitHub-Mirror/linux-bl808
2
0
Fork 0
mirror of https://github.com/Fishwaldo/linux-bl808.git synced 2025-03-21 06:24:12 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

ceph: fix message order check in handle_cap_export()

Browse source 
If caps for importer mds exists, but cap id mismatch, client should
have received corresponding import message. Because cap ID does not
change as long as client holds the caps.

Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
This commit is contained in:
Yan, Zheng 2017-08-28 15:07:42 +08:00 • committed by Ilya Dryomov
parent c858a0709f
commit fa0aa3b839
1 changed files with 1 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
fs/ceph/caps.c
View file

@ -3427,7 +3427,7 @@ retry:
tcap = __get_cap_for_mds(ci, target);
if (tcap) {
/* already have caps from the target */
if (tcap->cap_id != t_cap_id ||
if (tcap->cap_id == t_cap_id &&
ceph_seq_cmp(tcap->seq, t_seq) < 0) {
dout(" updating import cap %p mds%d\n", tcap, target);
tcap->cap_id = t_cap_id;