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| author | Trond Myklebust <trond.myklebust@hammerspace.com> | 2018-06-10 02:10:31 +0300 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2018-06-10 02:10:31 +0300 |
| commit | f9312a541050007ec59eb0106273a0a10718cd83 (patch) | |
| tree | fdea5cee92dd66628646de26e6d12b4ec731af73 /fs/nfs | |
| parent | 995891006ccbb73c0c9c3923cf9d25c4d07ec16b (diff) | |
| download | linux-f9312a541050007ec59eb0106273a0a10718cd83.tar.xz | |
NFSv4.1: Fix the client behaviour on NFS4ERR_SEQ_FALSE_RETRY
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>
Diffstat (limited to 'fs/nfs')
| -rw-r--r-- | fs/nfs/nfs4proc.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index c5c5d6c9af25..ed45090e4df6 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -775,6 +775,13 @@ static int nfs41_sequence_process(struct rpc_task *task, slot->slot_nr, slot->seq_nr); goto out_retry; + case -NFS4ERR_RETRY_UNCACHED_REP: + case -NFS4ERR_SEQ_FALSE_RETRY: + /* + * The server thinks we tried to replay a request. + * Retry the call after bumping the sequence ID. + */ + goto retry_new_seq; case -NFS4ERR_BADSLOT: /* * The slot id we used was probably retired. Try again @@ -799,10 +806,6 @@ static int nfs41_sequence_process(struct rpc_task *task, goto retry_nowait; } goto session_recover; - case -NFS4ERR_SEQ_FALSE_RETRY: - if (interrupted) - goto retry_new_seq; - goto session_recover; default: /* Just update the slot sequence no. */ slot->seq_done = 1; |