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nfsd: Add support for CLAIM_DELEG_CUR_FH to the NFSv4.1/4.2 Open

Description

nfsd: Add support for CLAIM_DELEG_CUR_FH to the NFSv4.1/4.2 Open

The Linux NFSv4.1/4.2 client now uses the CLAIM_DELEG_CUR_FH
variant of the Open operation when delegations are recalled and
the client has a local open of the file. This patch adds
support for this variant of Open to the NFSv4.1/4.2 server.

This patch only affects mounts from Linux clients when delegations
are enabled on the server.

(cherry picked from commit b3d4c70dc60f1913f2363751b905b562c39ca126)

Details

Provenance
rmacklemAuthored on May 18 2021, 10:53 PM
Parents
rGa604806bf73f: nfsd: Reduce the callback timeout to 800msec
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