nfsd4: implement SEQ4_STATUS_RECALLABLE_STATE_REVOKED

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A 4.1 server must notify a client that has had any state revoked using
the SEQ4_STATUS_RECALLABLE_STATE_REVOKED flag.  The client can figure
out exactly which state is the problem using CHECK_STATEID and then free
it using FREE_STATEID.  The status flag will be unset once all such
revoked stateids are freed.

Our server's only recallable state is delegations.  So we keep with each
4.1 client a list of delegations that have timed out and been recalled,
but haven't yet been freed by FREE_STATEID.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>

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This commit is contained in:

J. Bruce Fields 2013-04-09 17:02:51 -04:00

parent 23340032e6

commit 3bd64a5ba1

2 changed files with 50 additions and 8 deletions

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55

fs/nfsd/nfs4state.c

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3

fs/nfsd/state.h

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