Files
linux/fs
Yan, Zheng c1944fedd8 ceph: avoid calling ceph_renew_caps() infinitely
__ceph_caps_mds_wanted() ignores caps from stale session. So the
return value of __ceph_caps_mds_wanted() can keep the same across
ceph_renew_caps(). This causes try_get_cap_refs() to keep calling
ceph_renew_caps(). The fix is ignore the session valid check for
the try_get_cap_refs() case. If session is stale, just let the
caps requester sleep.

Signed-off-by: Yan, Zheng <zyan@redhat.com>
2017-02-20 12:16:07 +01:00
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