linux-kernel - [PATCH RFC 08/13] LockD: make lockd manager allocated per network namespace

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Sat, 05 May 2012 21:22:29 +0400
From:	Stanislav Kinsbursky <skinsbursky@...allels.com>
To:	bfields@...ldses.org, Trond.Myklebust@...app.com
Cc:	linux-nfs@...r.kernel.org, linux-kernel@...r.kernel.org,
	devel@...nvz.org
Subject: [PATCH RFC 08/13] LockD: make lockd manager allocated per network
	namespace

Signed-off-by: Stanislav Kinsbursky <skinsbursky@...allels.com>
---
 fs/lockd/netns.h |    2 ++
 fs/lockd/svc.c   |   18 ++++++++++--------
 2 files changed, 12 insertions(+), 8 deletions(-)

diff --git a/fs/lockd/netns.h b/fs/lockd/netns.h
index 94653ae..e78650c 100644
--- a/fs/lockd/netns.h
+++ b/fs/lockd/netns.h
@@ -1,6 +1,7 @@
 #ifndef __LOCKD_NETNS_H__
 #define __LOCKD_NETNS_H__
 
+#include <linux/fs.h>
 #include <net/netns/generic.h>
 
 struct lockd_net {
@@ -9,6 +10,7 @@ struct lockd_net {
 	unsigned long nrhosts;
 
 	struct delayed_work grace_period_end;
+	struct lock_manager lockd_manager;
 };
 
 extern int lockd_net_id;
diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c
index 70c4177..a9c436b 100644
--- a/fs/lockd/svc.c
+++ b/fs/lockd/svc.c
@@ -87,12 +87,14 @@ static unsigned long get_lockd_grace_period(void)
 		return nlm_timeout * 5 * HZ;
 }
 
-static struct lock_manager lockd_manager = {
-};
-
-static void grace_ender(struct work_struct *not_used)
+static void grace_ender(struct work_struct *grace)
 {
-	locks_end_grace(&lockd_manager);
+	struct delayed_work *dwork = container_of(grace, struct delayed_work,
+						  work);
+	struct lockd_net *ln = container_of(dwork, struct lockd_net,
+					    grace_period_end);
+
+	locks_end_grace(&ln->lockd_manager);
 }
 
 static void set_grace_period(void)
@@ -100,7 +102,7 @@ static void set_grace_period(void)
 	unsigned long grace_period = get_lockd_grace_period();
 	struct lockd_net *ln = net_generic(&init_net, lockd_net_id);
 
-	locks_start_grace(&lockd_manager);
+	locks_start_grace(&ln->lockd_manager);
 	cancel_delayed_work_sync(&ln->grace_period_end);
 	schedule_delayed_work(&ln->grace_period_end, grace_period);
 }
@@ -111,7 +113,7 @@ static void restart_grace(void)
 		struct lockd_net *ln = net_generic(&init_net, lockd_net_id);
 
 		cancel_delayed_work_sync(&ln->grace_period_end);
-		locks_end_grace(&lockd_manager);
+		locks_end_grace(&ln->lockd_manager);
 		nlmsvc_invalidate_all();
 		set_grace_period();
 	}
@@ -187,7 +189,7 @@ lockd(void *vrqstp)
 	}
 	flush_signals(current);
 	cancel_delayed_work_sync(&ln->grace_period_end);
-	locks_end_grace(&lockd_manager);
+	locks_end_grace(&ln->lockd_manager);
 	if (nlmsvc_ops)
 		nlmsvc_invalidate_all();
 	nlm_shutdown_hosts();

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/