NFSv4.1: Enable state protection

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Use the EXCHGID4_FLAG_BIND_PRINC_STATEID exchange_id flag to enable
stateid protection. This means that if we create a stateid using a
particular principal, then we must use the same principal if we
want to change that state.
IOW: if we OPEN a file using a particular credential, then we have
to use the same credential in subsequent OPEN_DOWNGRADE, CLOSE,
or DELEGRETURN operations that use that stateid.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

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Trond Myklebust 2013-05-20 12:24:03 -04:00

parent cd5875fefe

commit 4f0b429df1

1 changed files with 2 additions and 1 deletions

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fs/nfs/nfs4proc.c

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