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Commit 84d38ac9 authored by Benny Halevy's avatar Benny Halevy Committed by J. Bruce Fields
Browse files

nfsd4: refactor expire_client 



Separate out unhashing of the client and session.
To be used later by the laundromat.

Signed-off-by: default avatarBenny Halevy <bhalevy@panasas.com>
Signed-off-by: default avatarJ. Bruce Fields <bfields@citi.umich.edu>
parent 36acb66b

fs/nfsd/nfs4state.c

+18 −11
Original line number Diff line number Diff line
@@ -693,6 +693,20 @@ free_client(struct nfs4_client *clp) 
	kfree(clp);

}



/* must be called under the client_lock */

static inline void

unhash_client_locked(struct nfs4_client *clp)

{

	list_del(&clp->cl_lru);

	while (!list_empty(&clp->cl_sessions)) {

		struct nfsd4_session  *ses;

		ses = list_entry(clp->cl_sessions.next, struct nfsd4_session,

				 se_perclnt);

		unhash_session(ses);

		nfsd4_put_session(ses);

	}

}



static void

expire_client(struct nfs4_client *clp)

{
@@ -719,21 +733,14 @@ expire_client(struct nfs4_client *clp) 
		sop = list_entry(clp->cl_openowners.next, struct nfs4_stateowner, so_perclient);

		release_openowner(sop);

	}

	nfsd4_set_callback_client(clp, NULL);

	if (clp->cl_cb_conn.cb_xprt)

		svc_xprt_put(clp->cl_cb_conn.cb_xprt);

	list_del(&clp->cl_idhash);

	list_del(&clp->cl_strhash);

	spin_lock(&client_lock);

	list_del(&clp->cl_lru);

	while (!list_empty(&clp->cl_sessions)) {

		struct nfsd4_session  *ses;

		ses = list_entry(clp->cl_sessions.next, struct nfsd4_session,

				 se_perclnt);

		unhash_session(ses);

		nfsd4_put_session(ses);

	}

	unhash_client_locked(clp);

	spin_unlock(&client_lock);

	nfsd4_set_callback_client(clp, NULL);

	if (clp->cl_cb_conn.cb_xprt)

		svc_xprt_put(clp->cl_cb_conn.cb_xprt);

	free_client(clp);

}