NFSv41: nfs4_reset_session must always set NFS4CLNT_SESSION_DRAINING

Otherwise we have no guarantees that other processes won't start another
RPC call while we're resetting the session.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2009-12-05 15:03:20 -05:00
parent 2597641dea
commit 0556d1a695

View File

@ -1211,8 +1211,8 @@ static int nfs4_reset_session(struct nfs_client *clp)
INIT_COMPLETION(ses->complete);
spin_lock(&tbl->slot_tbl_lock);
set_bit(NFS4CLNT_SESSION_DRAINING, &clp->cl_state);
if (tbl->highest_used_slotid != -1) {
set_bit(NFS4CLNT_SESSION_DRAINING, &clp->cl_state);
spin_unlock(&tbl->slot_tbl_lock);
status = wait_for_completion_interruptible(&ses->complete);
if (status) /* -ERESTARTSYS */