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NFSv4.1: Fix the client behaviour on NFS4ERR_SEQ_FALSE_RETRY
[ Upstream commit f9312a5410
]
If the server returns NFS4ERR_SEQ_FALSE_RETRY or NFS4ERR_RETRY_UNCACHED_REP,
then it thinks we're trying to replay an existing request. If so, then
let's just bump the sequence ID and retry the operation.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
parent
42b1df406a
commit
baad2bf447
1 changed files with 7 additions and 4 deletions
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@ -745,6 +745,13 @@ static int nfs41_sequence_process(struct rpc_task *task,
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slot->slot_nr,
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slot->seq_nr);
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goto out_retry;
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case -NFS4ERR_RETRY_UNCACHED_REP:
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case -NFS4ERR_SEQ_FALSE_RETRY:
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/*
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* The server thinks we tried to replay a request.
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* Retry the call after bumping the sequence ID.
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*/
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goto retry_new_seq;
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case -NFS4ERR_BADSLOT:
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/*
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* The slot id we used was probably retired. Try again
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@ -769,10 +776,6 @@ static int nfs41_sequence_process(struct rpc_task *task,
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goto retry_nowait;
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}
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goto session_recover;
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case -NFS4ERR_SEQ_FALSE_RETRY:
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if (interrupted)
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goto retry_new_seq;
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goto session_recover;
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default:
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/* Just update the slot sequence no. */
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slot->seq_done = 1;
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