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nfsd4: refactor expire_client

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

Signed-off-by: Benny Halevy <bhalevy@panasas.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
This commit is contained in:
Benny Halevy 2010-05-12 00:13:16 +03:00 committed by J. Bruce Fields
parent 36acb66bda
commit 84d38ac9ab
1 changed files with 19 additions and 12 deletions
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31
fs/nfsd/nfs4state.c
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@ -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);
}
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);
}
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);
list_del(&clp->cl_idhash);
list_del(&clp->cl_strhash);
spin_lock(&client_lock);
unhash_client_locked(clp);
spin_unlock(&client_lock);
free_client(clp);
}