05.04.2013 18:09, J. Bruce Fields пишет:
On Fri, Apr 05, 2013 at 10:08:05AM -0400, J. Bruce Fields wrote:
From: "J. Bruce Fields" <bfields@xxxxxxxxxx>
If nothing else this simplifies the nfs4_state_shutdown_net logic a tad.
Stanislav, my one worry is that there was some reason you didn't do
this, that I've overlooked....
Hmm... Currently I can't remember a reason, why I didn't do that...
This looks reasonable. Thanks!
BTW, maybe recall_lock should be containerised as well?
--b.
Signed-off-by: J. Bruce Fields <bfields@xxxxxxxxxx>
---
fs/nfsd/netns.h | 1 +
fs/nfsd/nfs4state.c | 15 +++++++--------
2 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/fs/nfsd/netns.h b/fs/nfsd/netns.h
index 1051beb..849a7c3 100644
--- a/fs/nfsd/netns.h
+++ b/fs/nfsd/netns.h
@@ -80,6 +80,7 @@ struct nfsd_net {
*/
struct list_head client_lru;
struct list_head close_lru;
+ struct list_head del_recall_lru;
struct delayed_work laundromat_work;
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 26a03fa..aae9304 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -225,8 +225,6 @@ opaque_hashval(const void *ptr, int nbytes)
return x;
}
-static struct list_head del_recall_lru;
-
static void nfsd4_free_file(struct nfs4_file *f)
{
kmem_cache_free(file_slab, f);
@@ -2583,6 +2581,9 @@ out:
static void nfsd_break_one_deleg(struct nfs4_delegation *dp)
{
+ struct nfs4_client *clp = dp->dl_stid.sc_client;
+ struct nfsd_net *nn = net_generic(clp->net, nfsd_net_id);
+
/* We're assuming the state code never drops its reference
* without first removing the lease. Since we're in this lease
* callback (and since the lease code is serialized by the kernel
@@ -2590,7 +2591,7 @@ static void nfsd_break_one_deleg(struct nfs4_delegation *dp)
* it's safe to take a reference: */
atomic_inc(&dp->dl_count);
- list_add_tail(&dp->dl_recall_lru, &del_recall_lru);
+ list_add_tail(&dp->dl_recall_lru, &nn->del_recall_lru);
/* only place dl_time is set. protected by lock_flocks*/
dp->dl_time = get_seconds();
@@ -3254,7 +3255,7 @@ nfs4_laundromat(struct nfsd_net *nn)
expire_client(clp);
}
spin_lock(&recall_lock);
- list_for_each_safe(pos, next, &del_recall_lru) {
+ list_for_each_safe(pos, next, &nn->del_recall_lru) {
dp = list_entry (pos, struct nfs4_delegation, dl_recall_lru);
if (net_generic(dp->dl_stid.sc_client->net, nfsd_net_id) != nn)
continue;
@@ -4810,7 +4811,6 @@ struct nfs4_client *nfsd_find_client(struct sockaddr_storage *addr, size_t addr_
void
nfs4_state_init(void)
{
- INIT_LIST_HEAD(&del_recall_lru);
}
/*
@@ -4874,6 +4874,7 @@ static int nfs4_state_create_net(struct net *net)
nn->unconf_name_tree = RB_ROOT;
INIT_LIST_HEAD(&nn->client_lru);
INIT_LIST_HEAD(&nn->close_lru);
+ INIT_LIST_HEAD(&nn->del_recall_lru);
spin_lock_init(&nn->client_lock);
INIT_DELAYED_WORK(&nn->laundromat_work, laundromat_main);
@@ -4986,10 +4987,8 @@ nfs4_state_shutdown_net(struct net *net)
INIT_LIST_HEAD(&reaplist);
spin_lock(&recall_lock);
- list_for_each_safe(pos, next, &del_recall_lru) {
+ list_for_each_safe(pos, next, &nn->del_recall_lru) {
dp = list_entry (pos, struct nfs4_delegation, dl_recall_lru);
- if (dp->dl_stid.sc_client->net != net)
- continue;
list_move(&dp->dl_recall_lru, &reaplist);
}
spin_unlock(&recall_lock);
--
1.7.11.7
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--
Best regards,
Stanislav Kinsbursky
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