nfs: prevent backlogging of renewd requests

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If the renewd send queue gets backlogged (e.g., if the server goes down),
we will keep filling the queue with periodic RENEW/SEQUENCE requests.

This patch schedules a new renewd request if and only if the previous one
returns (either success or failure)

Signed-off-by: Alexandros Batsakis <batsakis@netapp.com>
[Trond.Myklebust@netapp.com: moved nfs4_schedule_state_renewal() into
separate nfs4_renew_release() and nfs41_sequence_release() callbacks
to ensure correct behaviour on call setup failure]
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

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Alexandros Batsakis 2010-02-05 03:45:04 -08:00 • committed by Trond Myklebust

parent 888ef2e3f8

commit dc96aef96a

2 changed files with 27 additions and 21 deletions

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24

fs/nfs/nfs4proc.c

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24

fs/nfs/nfs4renewd.c

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