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NFSv4.1: Reinitialise sequence results before retransmitting a request 

If we have to retransmit a request, we should ensure that we reinitialise
the sequence results structure, since in the event of a signal
we need to treat the request as if it had not been sent.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Trond Myklebust 2019-03-01 12:13:34 -05:00
parent a73881c96d
commit c1dffe0bf7
1 changed files with 8 additions and 4 deletions
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12
fs/nfs/nfs4proc.c
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@ -945,6 +945,13 @@ EXPORT_SYMBOL_GPL(nfs4_sequence_done);
#endif /* !CONFIG_NFS_V4_1 */
static void nfs41_sequence_res_init(struct nfs4_sequence_res *res)
{
res->sr_timestamp = jiffies;
res->sr_status_flags = 0;
res->sr_status = 1;
}
static
void nfs4_sequence_attach_slot(struct nfs4_sequence_args *args,
struct nfs4_sequence_res *res,
@ -956,10 +963,6 @@ void nfs4_sequence_attach_slot(struct nfs4_sequence_args *args,
args->sa_slot = slot;
res->sr_slot = slot;
res->sr_timestamp = jiffies;
res->sr_status_flags = 0;
res->sr_status = 1;
}
int nfs4_setup_sequence(struct nfs_client *client,
@ -998,6 +1001,7 @@ int nfs4_setup_sequence(struct nfs_client *client,
trace_nfs4_setup_sequence(session, args);
out_start:
nfs41_sequence_res_init(res);
rpc_call_start(task);
return 0;