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authorStanislav Kinsbursky <skinsbursky@parallels.com>2012-11-14 18:22:17 +0300
committerJ. Bruce Fields <bfields@redhat.com>2012-11-15 07:40:51 -0500
commit0912128149e86b48ed946371298d7fe61120d627 (patch)
tree479c8ccf93cfccd720d40be8b47745690cef6ff6
parent12760c6685624d65f8de078485c21b6a08e83409 (diff)
nfsd: make laundromat network namespace aware
This patch moves laundromat_work to nfsd per-net context, thus allowing to run multiple laundries. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
-rw-r--r--fs/nfsd/netns.h2
-rw-r--r--fs/nfsd/nfs4state.c21
2 files changed, 15 insertions, 8 deletions
diff --git a/fs/nfsd/netns.h b/fs/nfsd/netns.h
index a356ea3dc686..227b93ebb622 100644
--- a/fs/nfsd/netns.h
+++ b/fs/nfsd/netns.h
@@ -79,6 +79,8 @@ struct nfsd_net {
*/
struct list_head client_lru;
struct list_head close_lru;
+
+ struct delayed_work laundromat_work;
};
extern int nfsd_net_id;
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 2e4ed691255a..e75872f81e1c 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -3176,7 +3176,7 @@ nfsd4_end_grace(struct nfsd_net *nn)
}
static time_t
-nfs4_laundromat(void)
+nfs4_laundromat(struct nfsd_net *nn)
{
struct nfs4_client *clp;
struct nfs4_openowner *oo;
@@ -3185,7 +3185,6 @@ nfs4_laundromat(void)
time_t cutoff = get_seconds() - nfsd4_lease;
time_t t, clientid_val = nfsd4_lease;
time_t u, test_val = nfsd4_lease;
- struct nfsd_net *nn = net_generic(&init_net, nfsd_net_id);
nfs4_lock_state();
@@ -3251,16 +3250,19 @@ nfs4_laundromat(void)
static struct workqueue_struct *laundry_wq;
static void laundromat_main(struct work_struct *);
-static DECLARE_DELAYED_WORK(laundromat_work, laundromat_main);
static void
-laundromat_main(struct work_struct *not_used)
+laundromat_main(struct work_struct *laundry)
{
time_t t;
+ struct delayed_work *dwork = container_of(laundry, struct delayed_work,
+ work);
+ struct nfsd_net *nn = container_of(dwork, struct nfsd_net,
+ laundromat_work);
- t = nfs4_laundromat();
+ t = nfs4_laundromat(nn);
dprintk("NFSD: laundromat_main - sleeping for %ld seconds\n", t);
- queue_delayed_work(laundry_wq, &laundromat_work, t*HZ);
+ queue_delayed_work(laundry_wq, &nn->laundromat_work, t*HZ);
}
static inline __be32 nfs4_check_fh(struct svc_fh *fhp, struct nfs4_ol_stateid *stp)
@@ -4791,6 +4793,8 @@ static int nfs4_state_start_net(struct net *net)
INIT_LIST_HEAD(&nn->client_lru);
INIT_LIST_HEAD(&nn->close_lru);
+ INIT_DELAYED_WORK(&nn->laundromat_work, laundromat_main);
+
return 0;
err_sessionid:
@@ -4875,7 +4879,8 @@ nfs4_state_start(void)
ret = nfsd4_create_callback_queue();
if (ret)
goto out_free_laundry;
- queue_delayed_work(laundry_wq, &laundromat_work, nfsd4_grace * HZ);
+
+ queue_delayed_work(laundry_wq, &nn->laundromat_work, nfsd4_grace * HZ);
set_max_delegations();
return 0;
out_free_laundry:
@@ -4918,7 +4923,7 @@ 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);
+ cancel_delayed_work_sync(&nn->laundromat_work);
destroy_workqueue(laundry_wq);
locks_end_grace(&nn->nfsd4_manager);
nfs4_lock_state();