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[nfsv4] question about delegated timestamps (delstid draft)

Jeff Layton <jlayton@poochiereds.net> Wed, 28 August 2024 17:13 UTC

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From: Jeff Layton <jlayton@poochiereds.net>
To: draft-ietf-nfsv4-delstid.all@ietf.org, nfsv4@ietf.org
Date: Wed, 28 Aug 2024 13:13:37 -0400
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Subject: [nfsv4] question about delegated timestamps (delstid draft)
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The draft says mentions this:

   Further, when it gets a SETATTR in the same compound as the
   DELEGRETURN, then it MUST accept those fattr4_time_deleg_access
   attribute and fattr4_time_deleg_modify attribute changes and derive
   the change time or reject the changes with NFS4ERR_DELAY (see
   Section 15.1.1.3 of [RFC8881]).

Presumably, the SETATTR will precede the DELEGRETURN in the compound,
in which case (at least under Linux kernel server) we will not have
vetted the DELEGRETURN stateid yet.

The simplest fix might be to just have it accept SETATTR for the
delegated atime and mtime iff the client is the owner of the write
delegation.
-- 
Jeff Layton <jlayton@poochiereds.net>

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