nfsd41: error out when client sets maxreq_sz or maxresp_sz too small

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According to RFC5661, 18.36.3,

 "if the client selects a value for ca_maxresponsesize such that
  a replier on a channel could never send a response,the server
  SHOULD return NFS4ERR_TOOSMALL in the CREATE_SESSION reply."

So, error out when the client sets a maxreq_sz less than the minimum
possible SEQUENCE request size, or sets a maxresp_sz less than the
minimum possible SEQUENCE reply size.

Signed-off-by: Mi Jinlong <mijinlong@cn.fujitsu.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

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Mi Jinlong 2011-07-14 14:50:17 +08:00 • committed by J. Bruce Fields

parent f197c27196

commit 1b74c25bc1

1 changed files with 27 additions and 0 deletions

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fs/nfsd/nfs4state.c

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