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nfsd4: fold release_session into expire_client
and grab the client lock once for all the client's sessions. Signed-off-by: Benny Halevy <bhalevy@panasas.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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@ -613,15 +613,6 @@ unhash_session(struct nfsd4_session *ses)
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list_del(&ses->se_perclnt);
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}
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static void
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release_session(struct nfsd4_session *ses)
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{
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spin_lock(&client_lock);
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unhash_session(ses);
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spin_unlock(&client_lock);
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nfsd4_put_session(ses);
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}
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void
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free_session(struct kref *kref)
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{
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@ -722,12 +713,15 @@ expire_client(struct nfs4_client *clp)
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sop = list_entry(clp->cl_openowners.next, struct nfs4_stateowner, so_perclient);
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release_openowner(sop);
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}
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spin_lock(&client_lock);
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while (!list_empty(&clp->cl_sessions)) {
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struct nfsd4_session *ses;
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ses = list_entry(clp->cl_sessions.next, struct nfsd4_session,
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se_perclnt);
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release_session(ses);
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unhash_session(ses);
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nfsd4_put_session(ses);
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}
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spin_unlock(&client_lock);
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nfsd4_set_callback_client(clp, NULL);
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if (clp->cl_cb_conn.cb_xprt)
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svc_xprt_put(clp->cl_cb_conn.cb_xprt);
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