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OpenCloudOS-Kernel
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nfs41: create a svc_xprt for nfs41 callback thread and use for incoming callbacks 

Signed-off-by: Benny Halevy <bhalevy@panasas.com>
This commit is contained in:
Benny Halevy 2009-04-01 09:23:11 -04:00
parent 9c9f3f5fa6
commit 8f97524235
2 changed files with 17 additions and 1 deletions
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17
fs/nfs/callback.c
View File

@ -185,16 +185,31 @@ nfs41_callback_svc(void *vrqstp)
struct svc_rqst *
nfs41_callback_up(struct svc_serv *serv, struct rpc_xprt *xprt)
{
struct svc_xprt *bc_xprt;
struct svc_rqst *rqstp = ERR_PTR(-ENOMEM);
dprintk("--> %s\n", __func__);
/* Create a svc_sock for the service */
bc_xprt = svc_sock_create(serv, xprt->prot);
if (!bc_xprt)
goto out;
/*
* Save the svc_serv in the transport so that it can
* be referenced when the session backchannel is initialized
*/
serv->bc_xprt = bc_xprt;
xprt->bc_serv = serv;
INIT_LIST_HEAD(&serv->sv_cb_list);
spin_lock_init(&serv->sv_cb_lock);
init_waitqueue_head(&serv->sv_cb_waitq);
return svc_prepare_thread(serv, &serv->sv_pools[0]);
rqstp = svc_prepare_thread(serv, &serv->sv_pools[0]);
if (IS_ERR(rqstp))
svc_sock_destroy(bc_xprt);
out:
dprintk("--> %s return %p\n", __func__, rqstp);
return rqstp;
}
static inline int nfs_minorversion_callback_svc_setup(u32 minorversion,

1
net/sunrpc/svc.c
View File

@ -1258,6 +1258,7 @@ bc_svc_process(struct svc_serv *serv, struct rpc_rqst *req,
int error;
/* Build the svc_rqst used by the common processing routine */
rqstp->rq_xprt = serv->bc_xprt;
rqstp->rq_xid = req->rq_xid;
rqstp->rq_prot = req->rq_xprt->prot;
rqstp->rq_server = serv;