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pNFS: The client must not do I/O to the DS if it's lease has expired
authorTrond Myklebust <trond.myklebust@primarydata.com>
Tue, 23 Aug 2016 15:19:33 +0000 (11:19 -0400)
committerTrond Myklebust <trond.myklebust@primarydata.com>
Tue, 23 Aug 2016 15:27:01 +0000 (11:27 -0400)
commitb88fa69eaa8649f11828158c7b65c4bcd886ebd5
tree797ad7c0663edcb4bed56a4346ce2ce95191aa1dtree | snapshot
parent9a0fe86745b8e95f7ea39933a956f5771332c430commit | diff
pNFS: The client must not do I/O to the DS if it's lease has expired

Ensure that the client conforms to the normative behaviour described in
RFC5661 Section 12.7.2: "If a client believes its lease has expired,
it MUST NOT send I/O to the storage device until it has validated its
lease."

So ensure that we wait for the lease to be validated before using
the layout.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Cc: stable@vger.kernel.org # v3.20+
fs/nfs/pnfs.c diff | blob | history
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