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nfsd4: refactor connection allocation 

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
J. Bruce Fields 2010-09-29 15:29:32 -04:00
parent 19cf5c026f
commit db90681d6e
1 changed files with 26 additions and 6 deletions
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32
fs/nfsd/nfs4state.c
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@ -644,25 +644,45 @@ static void nfsd4_conn_lost(struct svc_xpt_user *u)
spin_unlock(&clp->cl_lock);
}
static __be32 nfsd4_new_conn(struct svc_rqst *rqstp, struct nfsd4_session *ses)
static struct nfsd4_conn *alloc_conn(struct svc_rqst *rqstp)
{
struct nfs4_client *clp = ses->se_client;
struct nfsd4_conn *conn;
conn = kmalloc(sizeof(struct nfsd4_conn), GFP_KERNEL);
if (!conn)
return nfserr_jukebox;
conn->cn_flags = NFS4_CDFC4_FORE;
return NULL;
svc_xprt_get(rqstp->rq_xprt);
conn->cn_xprt = rqstp->rq_xprt;
conn->cn_session = ses;
conn->cn_flags = NFS4_CDFC4_FORE;
INIT_LIST_HEAD(&conn->cn_xpt_user.list);
return conn;
}
static void nfsd4_hash_conn(struct nfsd4_conn *conn, struct nfsd4_session *ses)
{
struct nfs4_client *clp = ses->se_client;
spin_lock(&clp->cl_lock);
conn->cn_session = ses;
list_add(&conn->cn_persession, &ses->se_conns);
spin_unlock(&clp->cl_lock);
}
static void nfsd4_register_conn(struct nfsd4_conn *conn)
{
conn->cn_xpt_user.callback = nfsd4_conn_lost;
register_xpt_user(rqstp->rq_xprt, &conn->cn_xpt_user);
register_xpt_user(conn->cn_xprt, &conn->cn_xpt_user);
}
static __be32 nfsd4_new_conn(struct svc_rqst *rqstp, struct nfsd4_session *ses)
{
struct nfsd4_conn *conn;
conn = alloc_conn(rqstp);
if (!conn)
return nfserr_jukebox;
nfsd4_hash_conn(conn, ses);
nfsd4_register_conn(conn);
return nfs_ok;
}