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[PATCH v2 02/15] LockD: make garbage collector network namespace aware. [message #47246 is a reply to message #47241]

Wed, 25 July 2012 12:56

Stanislav Kinsbursky is currently offline

Stanislav Kinsbursky
Messages: 683
Registered: October 2011

Senior Member

---
fs/lockd/host.c | 22 +++++++++++++---------
1 files changed, 13 insertions(+), 9 deletions(-)

diff --git a/fs/lockd/host.c b/fs/lockd/host.c
index 2c5f41b..991274a 100644
--- a/fs/lockd/host.c
+++ b/fs/lockd/host.c
@@ -45,7 +45,7 @@ static unsigned long next_gc;
static unsigned long nrhosts;
static DEFINE_MUTEX(nlm_host_mutex);

-static void nlm_gc_hosts(void);
+static void nlm_gc_hosts(struct net *net);

struct nlm_lookup_host_info {
const int server; /* search for server|client */
@@ -345,7 +345,7 @@ struct nlm_host *nlmsvc_lookup_host(const struct svc_rqst *rqstp,
mutex_lock(&nlm_host_mutex);

if (time_after_eq(jiffies, next_gc))
- nlm_gc_hosts();
+ nlm_gc_hosts(net);

chain = &nlm_server_hosts[nlm_hash_address(ni.sap)];
hlist_for_each_entry(host, pos, chain, h_hash) {
@@ -588,7 +588,7 @@ nlm_shutdown_hosts_net(struct net *net)
}

/* Then, perform a garbage collection pass */
- nlm_gc_hosts();
+ nlm_gc_hosts(net);
mutex_unlock(&nlm_host_mutex);
}

@@ -623,27 +623,31 @@ nlm_shutdown_hosts(void)
* mark & sweep for resources held by remote clients.
*/
static void
-nlm_gc_hosts(void)
+nlm_gc_hosts(struct net *net)
{
struct hlist_head *chain;
struct hlist_node *pos, *next;
struct nlm_host *host;
- struct net *net = &init_net;

- dprintk("lockd: host garbage collection\n");
- for_each_host(host, pos, chain, nlm_server_hosts)
+ dprintk("lockd: host garbage collection for net %p\n", net);
+ for_each_host(host, pos, chain, nlm_server_hosts) {
+ if (net && host->net != net)
+ continue;
host->h_inuse = 0;
+ }

/* Mark all hosts that hold locks, blocks or shares */
nlmsvc_mark_resources(net);

for_each_host_safe(host, pos, next, chain, nlm_server_hosts) {
+ if (net && host->net != net)
+ continue;
if (atomic_read(&host->h_count) || host->h_inuse
|| time_before(jiffies, host->h_expires)) {
dprintk("nlm_gc_hosts skipping %s "
- "(cnt %d use %d exp %ld)\n",
+ "(cnt %d use %d exp %ld net %p)\n",
host->h_name, atomic_read(&host->h_count),
- host->h_inuse, host->h_expires);
+ host->h_inuse, host->h_expires, host->net);
continue;
}
nlm_destroy_host_locked(host);

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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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