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nfsd: fix error handling for clients that fail to return the layout

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Currently, when the client continually returns NFS4ERR_DELAY on a
CB_LAYOUTRECALL, we'll give up trying to retransmit after two lease
periods, but leave the layout in place.

What we really need to do here is fence the client in this case. Have it
fall through to that code in that case instead of into the
NFS4ERR_NOMATCHING_LAYOUT case.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Jeff Layton 2016-10-20 12:21:34 -04:00 committed by J. Bruce Fields
parent 8f97514b42
commit 851238a22f
1 changed files with 4 additions and 4 deletions
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8
fs/nfsd/nfs4layouts.c
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@ -686,10 +686,6 @@ nfsd4_cb_layout_done(struct nfsd4_callback *cb, struct rpc_task *task)
return 0;
}
/* Fallthrough */
case -NFS4ERR_NOMATCHING_LAYOUT:
trace_layout_recall_done(&ls->ls_stid.sc_stateid);
task->tk_status = 0;
return 1;
default:
/*
* Unknown error or non-responding client, we'll need to fence.
@ -702,6 +698,10 @@ nfsd4_cb_layout_done(struct nfsd4_callback *cb, struct rpc_task *task)
else
nfsd4_cb_layout_fail(ls);
return -1;
case -NFS4ERR_NOMATCHING_LAYOUT:
trace_layout_recall_done(&ls->ls_stid.sc_stateid);
task->tk_status = 0;
return 1;
}
}