tree 04932e112c578f7f8dd982fd37df2366511b247e
parent d463a43d69f4af85887671d76182437775fd1631
author Yan, Zheng <zyan@redhat.com> 1460100436 +0800
committer Ilya Dryomov <idryomov@gmail.com> 1464218131 +0200

ceph: renew caps for read/write if mds session got killed.

When mds session gets killed, read/write operation may hang.
Client waits for Frw caps, but mds does not know what caps client
wants. To recover this, client sends an open request to mds. The
request will tell mds what caps client wants.

Signed-off-by: Yan, Zheng <zyan@redhat.com>