diff options
| author | Stanislav Kinsbursky <skinsbursky@parallels.com> | 2012-07-25 16:56:03 +0400 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2012-07-27 16:48:43 -0400 |
| commit | 27adaddc8de7f523a172246d5104cf1cd5e2191b (patch) | |
| tree | 50a6daec2fb96b81db53371a945e054039c7099e /fs/lockd | |
| parent | b26411f85d3763ec5fc553854d9c3c0966072090 (diff) | |
| download | kernel-common-27adaddc8de7f523a172246d5104cf1cd5e2191b.tar.gz kernel-common-27adaddc8de7f523a172246d5104cf1cd5e2191b.tar.bz2 kernel-common-27adaddc8de7f523a172246d5104cf1cd5e2191b.zip | |
LockD: make garbage collector network namespace aware.
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/lockd')
| -rw-r--r-- | 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 2c5f41b098e9..991274a55664 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); |