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NFSv4.1: nfs4_bind_conn_to_session should drain the session

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In order to avoid races with other RPC calls that end up setting the
NFS4CLNT_BIND_CONN_TO_SESSION flag.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2012-05-27 13:47:21 -04:00
parent 32b0131069
commit 43ac544cb3
1 changed files with 2 additions and 0 deletions
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2
fs/nfs/nfs4state.c
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@ -1782,10 +1782,12 @@ static int nfs4_bind_conn_to_session(struct nfs_client *clp)
struct rpc_cred *cred; struct rpc_cred *cred;
int ret; int ret;
nfs4_begin_drain_session(clp);
cred = nfs4_get_exchange_id_cred(clp); cred = nfs4_get_exchange_id_cred(clp);
ret = nfs4_proc_bind_conn_to_session(clp, cred); ret = nfs4_proc_bind_conn_to_session(clp, cred);
if (cred) if (cred)
put_rpccred(cred); put_rpccred(cred);
clear_bit(NFS4CLNT_BIND_CONN_TO_SESSION, &clp->cl_state);
return ret; return ret;
} }
#else /* CONFIG_NFS_V4_1 */ #else /* CONFIG_NFS_V4_1 */