From: Greg Banks <[email protected]>
knfsd: Replace the existing list of all nfsd threads with new
code using svc_create_pooled().
Signed-off-by: Greg Banks <[email protected]>
Signed-off-by: Neil Brown <[email protected]>
### Diffstat output
./fs/nfsd/nfssvc.c | 36 +++++-------------------------------
1 file changed, 5 insertions(+), 31 deletions(-)
diff .prev/fs/nfsd/nfssvc.c ./fs/nfsd/nfssvc.c
--- .prev/fs/nfsd/nfssvc.c 2006-07-31 10:29:38.000000000 +1000
+++ ./fs/nfsd/nfssvc.c 2006-07-31 10:31:08.000000000 +1000
@@ -57,12 +57,6 @@ static atomic_t nfsd_busy;
static unsigned long nfsd_last_call;
static DEFINE_SPINLOCK(nfsd_call_lock);
-struct nfsd_list {
- struct list_head list;
- struct task_struct *task;
-};
-static struct list_head nfsd_list = LIST_HEAD_INIT(nfsd_list);
-
#if defined(CONFIG_NFSD_V2_ACL) || defined(CONFIG_NFSD_V3_ACL)
static struct svc_stat nfsd_acl_svcstats;
static struct svc_version * nfsd_acl_version[] = {
@@ -206,8 +200,9 @@ int nfsd_create_serv(void)
}
atomic_set(&nfsd_busy, 0);
- nfsd_serv = svc_create(&nfsd_program, NFSD_BUFSIZE,
- nfsd_last_thread);
+ nfsd_serv = svc_create_pooled(&nfsd_program, NFSD_BUFSIZE,
+ nfsd_last_thread,
+ nfsd, SIG_NOCLEAN, THIS_MODULE);
if (nfsd_serv == NULL)
err = -ENOMEM;
unlock_kernel();
@@ -247,7 +242,6 @@ int
nfsd_svc(unsigned short port, int nrservs)
{
int error;
- struct list_head *victim;
lock_kernel();
dprintk("nfsd: creating service\n");
@@ -275,24 +269,7 @@ nfsd_svc(unsigned short port, int nrserv
if (error)
goto failure;
- nrservs -= (nfsd_serv->sv_nrthreads-1);
- while (nrservs > 0) {
- nrservs--;
- __module_get(THIS_MODULE);
- error = svc_create_thread(nfsd, nfsd_serv);
- if (error < 0) {
- module_put(THIS_MODULE);
- break;
- }
- }
- victim = nfsd_list.next;
- while (nrservs < 0 && victim != &nfsd_list) {
- struct nfsd_list *nl =
- list_entry(victim,struct nfsd_list, list);
- victim = victim->next;
- send_sig(SIG_NOCLEAN, nl->task, 1);
- nrservs++;
- }
+ error = svc_set_num_threads(nfsd_serv, NULL, nrservs);
failure:
svc_destroy(nfsd_serv); /* Release server */
out:
@@ -329,7 +306,6 @@ nfsd(struct svc_rqst *rqstp)
{
struct fs_struct *fsp;
int err;
- struct nfsd_list me;
sigset_t shutdown_mask, allowed_mask;
/* Lock module and set up kernel thread */
@@ -353,8 +329,7 @@ nfsd(struct svc_rqst *rqstp)
nfsdstats.th_cnt++;
- me.task = current;
- list_add(&me.list, &nfsd_list);
+ rqstp->rq_task = current;
unlock_kernel();
@@ -413,7 +388,6 @@ nfsd(struct svc_rqst *rqstp)
lock_kernel();
- list_del(&me.list);
nfsdstats.th_cnt --;
out:
-
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