#include <linux/types.h>
#include <linux/time.h>
-#include <linux/slab.h>
-#include <linux/in.h>
-#include <linux/sunrpc/svc.h>
-#include <linux/sunrpc/clnt.h>
-#include <linux/nfsd/nfsd.h>
+#include <linux/smp_lock.h>
#include <linux/lockd/lockd.h>
#include <linux/lockd/share.h>
-#include <linux/lockd/sm_inter.h>
-
#define NLMDBG_FACILITY NLMDBG_CLIENT
#ifdef CONFIG_LOCKD_V4
-static u32
-cast_to_nlm(u32 status, u32 vers)
+static __be32
+cast_to_nlm(__be32 status, u32 vers)
{
/* Note: status is assumed to be in network byte order !!! */
if (vers != 4){
case nlm_lck_denied_nolocks:
case nlm_lck_blocked:
case nlm_lck_denied_grace_period:
+ case nlm_drop_reply:
break;
case nlm4_deadlock:
status = nlm_lck_denied;
/*
* Obtain client and file from arguments
*/
-static u32
+static __be32
nlmsvc_retrieve_args(struct svc_rqst *rqstp, struct nlm_args *argp,
struct nlm_host **hostp, struct nlm_file **filp)
{
struct nlm_host *host = NULL;
struct nlm_file *file = NULL;
struct nlm_lock *lock = &argp->lock;
- u32 error = 0;
+ __be32 error = 0;
/* nfsd callbacks must have been installed for this procedure */
if (!nlmsvc_ops)
return 0;
no_locks:
- if (host)
- nlm_release_host(host);
+ nlm_release_host(host);
if (error)
return error;
return nlm_lck_denied_nolocks;
{
struct nlm_host *host;
struct nlm_file *file;
+ __be32 rc = rpc_success;
dprintk("lockd: TEST called\n");
resp->cookie = argp->cookie;
- /* Don't accept test requests during grace period */
- if (nlmsvc_grace_period) {
- resp->status = nlm_lck_denied_grace_period;
- return rpc_success;
- }
-
/* Obtain client and file */
if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))
return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
/* Now check for conflicting locks */
- resp->status = cast_status(nlmsvc_testlock(file, &argp->lock, &resp->lock));
+ resp->status = cast_status(nlmsvc_testlock(rqstp, file, host, &argp->lock, &resp->lock, &resp->cookie));
+ if (resp->status == nlm_drop_reply)
+ rc = rpc_drop_reply;
+ else
+ dprintk("lockd: TEST status %d vers %d\n",
+ ntohl(resp->status), rqstp->rq_vers);
- dprintk("lockd: TEST status %d vers %d\n",
- ntohl(resp->status), rqstp->rq_vers);
nlm_release_host(host);
nlm_release_file(file);
- return rpc_success;
+ return rc;
}
static __be32
{
struct nlm_host *host;
struct nlm_file *file;
+ __be32 rc = rpc_success;
dprintk("lockd: LOCK called\n");
resp->cookie = argp->cookie;
- /* Don't accept new lock requests during grace period */
- if (nlmsvc_grace_period && !argp->reclaim) {
- resp->status = nlm_lck_denied_grace_period;
- return rpc_success;
- }
-
/* Obtain client and file */
if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file)))
return resp->status == nlm_drop_reply ? rpc_drop_reply :rpc_success;
#endif
/* Now try to lock the file */
- resp->status = cast_status(nlmsvc_lock(rqstp, file, &argp->lock,
- argp->block, &argp->cookie));
+ resp->status = cast_status(nlmsvc_lock(rqstp, file, host, &argp->lock,
+ argp->block, &argp->cookie,
+ argp->reclaim));
+ if (resp->status == nlm_drop_reply)
+ rc = rpc_drop_reply;
+ else
+ dprintk("lockd: LOCK status %d\n", ntohl(resp->status));
- dprintk("lockd: LOCK status %d\n", ntohl(resp->status));
nlm_release_host(host);
nlm_release_file(file);
- return rpc_success;
+ return rc;
}
static __be32
resp->cookie = argp->cookie;
/* Don't accept requests during grace period */
- if (nlmsvc_grace_period) {
+ if (locks_in_grace()) {
resp->status = nlm_lck_denied_grace_period;
return rpc_success;
}
resp->cookie = argp->cookie;
/* Don't accept new lock requests during grace period */
- if (nlmsvc_grace_period) {
+ if (locks_in_grace()) {
resp->status = nlm_lck_denied_grace_period;
return rpc_success;
}
resp->cookie = argp->cookie;
dprintk("lockd: GRANTED called\n");
- resp->status = nlmclnt_grant(&rqstp->rq_addr, &argp->lock);
+ resp->status = nlmclnt_grant(svc_addr(rqstp), &argp->lock);
dprintk("lockd: GRANTED status %d\n", ntohl(resp->status));
return rpc_success;
}
*/
static void nlmsvc_callback_exit(struct rpc_task *task, void *data)
{
- dprintk("lockd: %4d callback returned %d\n", task->tk_pid,
+ dprintk("lockd: %5u callback returned %d\n", task->tk_pid,
-task->tk_status);
}
static void nlmsvc_callback_release(void *data)
{
+ lock_kernel();
nlm_release_call(data);
+ unlock_kernel();
}
static const struct rpc_call_ops nlmsvc_callback_ops = {
resp->cookie = argp->cookie;
/* Don't accept new lock requests during grace period */
- if (nlmsvc_grace_period && !argp->reclaim) {
+ if (locks_in_grace() && !argp->reclaim) {
resp->status = nlm_lck_denied_grace_period;
return rpc_success;
}
resp->cookie = argp->cookie;
/* Don't accept requests during grace period */
- if (nlmsvc_grace_period) {
+ if (locks_in_grace()) {
resp->status = nlm_lck_denied_grace_period;
return rpc_success;
}
nlmsvc_proc_sm_notify(struct svc_rqst *rqstp, struct nlm_reboot *argp,
void *resp)
{
- struct sockaddr_in saddr = rqstp->rq_addr;
-
dprintk("lockd: SM_NOTIFY called\n");
- if (saddr.sin_addr.s_addr != htonl(INADDR_LOOPBACK)
- || ntohs(saddr.sin_port) >= 1024) {
- printk(KERN_WARNING
- "lockd: rejected NSM callback from %08x:%d\n",
- ntohl(rqstp->rq_addr.sin_addr.s_addr),
- ntohs(rqstp->rq_addr.sin_port));
+
+ if (!nlm_privileged_requester(rqstp)) {
+ char buf[RPC_MAX_ADDRBUFLEN];
+ printk(KERN_WARNING "lockd: rejected NSM callback from %s\n",
+ svc_print_addr(rqstp, buf, sizeof(buf)));
return rpc_system_err;
}
- /* Obtain the host pointer for this NFS server and try to
- * reclaim all locks we hold on this server.
- */
- memset(&saddr, 0, sizeof(saddr));
- saddr.sin_addr.s_addr = argp->addr;
- nlm_host_rebooted(&saddr, argp->mon, argp->len, argp->state);
-
+ nlm_host_rebooted(argp);
return rpc_success;
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff