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[PATCH v2 11/15] LockD: manage grace list per network namespace [message #47245 is a reply to message #47241]

Wed, 25 July 2012 12:57

Stanislav Kinsbursky is currently offline

Stanislav Kinsbursky
Messages: 683
Registered: October 2011

Senior Member

Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
---
fs/lockd/grace.c | 14 +++++++++++---
fs/lockd/netns.h | 1 +
fs/lockd/svc.c | 1 +
3 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/fs/lockd/grace.c b/fs/lockd/grace.c
index 183cc1f..8dbaff7 100644
--- a/fs/lockd/grace.c
+++ b/fs/lockd/grace.c
@@ -4,8 +4,10 @@

#include <linux/module.h>
#include <linux/lockd/bind.h>
+#include <net/net_namespace.h>
+
+#include "netns.h"

-static LIST_HEAD(grace_list);
static DEFINE_SPINLOCK(grace_lock);

/**
@@ -21,8 +23,11 @@ static DEFINE_SPINLOCK(grace_lock);
*/
void locks_start_grace(struct lock_manager *lm)
{
+ struct net *net = &init_net;
+ struct lockd_net *ln = net_generic(net, lockd_net_id);
+
spin_lock(&grace_lock);
- list_add(&lm->list, &grace_list);
+ list_add(&lm->list, &ln->grace_list);
spin_unlock(&grace_lock);
}
EXPORT_SYMBOL_GPL(locks_start_grace);
@@ -54,6 +59,9 @@ EXPORT_SYMBOL_GPL(locks_end_grace);
*/
int locks_in_grace(void)
{
- return !list_empty(&grace_list);
+ struct net *net = &init_net;
+ struct lockd_net *ln = net_generic(net, lockd_net_id);
+
+ return !list_empty(&ln->grace_list);
}
EXPORT_SYMBOL_GPL(locks_in_grace);
diff --git a/fs/lockd/netns.h b/fs/lockd/netns.h
index e78650c..4eee248 100644
--- a/fs/lockd/netns.h
+++ b/fs/lockd/netns.h
@@ -11,6 +11,7 @@ struct lockd_net {

struct delayed_work grace_period_end;
struct lock_manager lockd_manager;
+ struct list_head grace_list;
};

extern int lockd_net_id;
diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c
index a9c436b..834dfe2 100644
--- a/fs/lockd/svc.c
+++ b/fs/lockd/svc.c
@@ -596,6 +596,7 @@ static int lockd_init_net(struct net *net)
struct lockd_net *ln = net_generic(net, lockd_net_id);

INIT_DELAYED_WORK(&ln->grace_period_end, grace_ender);
+ INIT_LIST_HEAD(&ln->grace_list);
return 0;
}

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[Message index]

		[PATCH v2 00/15] Lockd: grace period containerization By: Stanislav Kinsbursky on Wed, 25 July 2012 12:55
		[PATCH v2 01/15] LockD: mark host per network namespace on garbage collect By: Stanislav Kinsbursky on Wed, 25 July 2012 12:55
		[PATCH v2 07/15] LockD: manage grace period per network namespace By: Stanislav Kinsbursky on Wed, 25 July 2012 12:56
		[PATCH v2 10/15] SUNRPC: service request network namespace helper introduced By: Stanislav Kinsbursky on Wed, 25 July 2012 12:57
		[PATCH v2 11/15] LockD: manage grace list per network namespace By: Stanislav Kinsbursky on Wed, 25 July 2012 12:57
		[PATCH v2 02/15] LockD: make garbage collector network namespace aware. By: Stanislav Kinsbursky on Wed, 25 July 2012 12:56
		[PATCH v2 06/15] Lockd: add more debug to host shutdown functions By: Stanislav Kinsbursky on Wed, 25 July 2012 12:56
		[PATCH v2 03/15] LockD: manage garbage collection timeout per networks namespace By: Stanislav Kinsbursky on Wed, 25 July 2012 12:56
		[PATCH v2 05/15] Lockd: host complaining function introduced By: Stanislav Kinsbursky on Wed, 25 July 2012 12:56
		[PATCH v2 04/15] LockD: manage used host count per networks namespace By: Stanislav Kinsbursky on Wed, 25 July 2012 12:56
		[PATCH v2 08/15] LockD: make lockd manager allocated per network namespace By: Stanislav Kinsbursky on Wed, 25 July 2012 12:56
		[PATCH v2 14/15] NFSd: make grace end flag per network namespace By: Stanislav Kinsbursky on Wed, 25 July 2012 12:57
		[PATCH v2 09/15] NFSd: make nfsd4_manager allocated per network namespace context. By: Stanislav Kinsbursky on Wed, 25 July 2012 12:56
		Re: [PATCH v2 09/15] NFSd: make nfsd4_manager allocated per network namespace context. By: bfields on Fri, 27 July 2012 21:46
		[PATCH v2 15/15] NFSd: make boot_time variable per network namespace By: Stanislav Kinsbursky on Wed, 25 July 2012 12:57
		[PATCH v2 13/15] Lockd: move grace period management from lockd() to per-net functions By: Stanislav Kinsbursky on Wed, 25 July 2012 12:57
		[PATCH v2 12/15] LockD: pass actual network namespace to grace period management functions By: Stanislav Kinsbursky on Wed, 25 July 2012 12:57
		Re: [PATCH v2 00/15] Lockd: grace period containerization By: bfields on Fri, 27 July 2012 21:54
		Re: [PATCH v2 00/15] Lockd: grace period containerization By: Stanislav Kinsbursky on Mon, 30 July 2012 10:03
		Re: [PATCH v2 00/15] Lockd: grace period containerization By: bfields on Tue, 31 July 2012 14:19
		Re: [PATCH v2 00/15] Lockd: grace period containerization By: Stanislav Kinsbursky on Tue, 31 July 2012 14:26

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