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NFSd: make nfsd4_manager allocated per network namespace context.

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Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Stanislav Kinsbursky 2012-07-25 16:56:58 +04:00 committed by J. Bruce Fields
parent 08d44a35a9
commit 5e1533c788
2 changed files with 21 additions and 13 deletions
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2
fs/nfsd/netns.h
View File

@ -34,6 +34,8 @@ struct nfsd_net {
struct cache_detail *idtoname_cache;
struct cache_detail *nametoid_cache;
struct lock_manager nfsd4_manager;
};
extern int nfsd_net_id;

32
fs/nfsd/nfs4state.c
View File

@ -46,6 +46,8 @@
#include "current_stateid.h"
#include "fault_inject.h"
#include "netns.h"
#define NFSDDBG_FACILITY NFSDDBG_PROC
/* Globals */
@ -3116,22 +3118,21 @@ nfsd4_renew(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
return status;
}
static struct lock_manager nfsd4_manager = {
};
static bool grace_ended;
static void
nfsd4_end_grace(void)
nfsd4_end_grace(struct net *net)
{
struct nfsd_net *nn = net_generic(net, nfsd_net_id);
/* do nothing if grace period already ended */
if (grace_ended)
return;
dprintk("NFSD: end of grace period\n");
grace_ended = true;
nfsd4_record_grace_done(&init_net, boot_time);
locks_end_grace(&nfsd4_manager);
nfsd4_record_grace_done(net, boot_time);
locks_end_grace(&nn->nfsd4_manager);
/*
* Now that every NFSv4 client has had the chance to recover and
* to see the (possibly new, possibly shorter) lease time, we
@ -3154,7 +3155,7 @@ nfs4_laundromat(void)
nfs4_lock_state();
dprintk("NFSD: laundromat service - starting\n");
nfsd4_end_grace();
nfsd4_end_grace(&init_net);
INIT_LIST_HEAD(&reaplist);
spin_lock(&client_lock);
list_for_each_safe(pos, next, &client_lru) {
@ -4688,6 +4689,8 @@ set_max_delegations(void)
int
nfs4_state_start(void)
{
struct net *net = &init_net;
struct nfsd_net *nn = net_generic(net, nfsd_net_id);
int ret;
/*
@ -4697,10 +4700,10 @@ nfs4_state_start(void)
* to that instead and then do most of the rest of this on a per-net
* basis.
*/
get_net(&init_net);
nfsd4_client_tracking_init(&init_net);
get_net(net);
nfsd4_client_tracking_init(net);
boot_time = get_seconds();
locks_start_grace(&nfsd4_manager);
locks_start_grace(&nn->nfsd4_manager);
grace_ended = false;
printk(KERN_INFO "NFSD: starting %ld-second grace period\n",
nfsd4_grace);
@ -4723,8 +4726,8 @@ nfs4_state_start(void)
out_free_laundry:
destroy_workqueue(laundry_wq);
out_recovery:
nfsd4_client_tracking_exit(&init_net);
put_net(&init_net);
nfsd4_client_tracking_exit(net);
put_net(net);
return ret;
}
@ -4765,9 +4768,12 @@ __nfs4_state_shutdown(void)
void
nfs4_state_shutdown(void)
{
struct net *net = &init_net;
struct nfsd_net *nn = net_generic(net, nfsd_net_id);
cancel_delayed_work_sync(&laundromat_work);
destroy_workqueue(laundry_wq);
locks_end_grace(&nfsd4_manager);
locks_end_grace(&nn->nfsd4_manager);
nfs4_lock_state();
__nfs4_state_shutdown();
nfs4_unlock_state();