summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorTrond Myklebust <Trond.Myklebust@netapp.com>2007-07-02 12:49:23 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2007-07-10 23:40:38 -0400
commit7af654f8d1b7460415af5d1d326233478dd0f563 (patch)
tree00ebad16a49f13aa99b518f2554de5dcbeafa79c
parent27b3f949b769a208e2849d28e7ad64cadac5d0e3 (diff)
downloadlinux-7af654f8d1b7460415af5d1d326233478dd0f563.tar.bz2
NFSv4: Don't reuse expired nfs4_state_owner structs
That just confuses certain NFSv4 servers. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
-rw-r--r--fs/nfs/client.c10
-rw-r--r--fs/nfs/nfs4state.c28
-rw-r--r--include/linux/nfs_fs_sb.h2
3 files changed, 0 insertions, 40 deletions
diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index 71d4c4cdac52..6b424407d631 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -131,7 +131,6 @@ static struct nfs_client *nfs_alloc_client(const char *hostname,
init_rwsem(&clp->cl_sem);
INIT_LIST_HEAD(&clp->cl_delegations);
INIT_LIST_HEAD(&clp->cl_state_owners);
- INIT_LIST_HEAD(&clp->cl_unused);
spin_lock_init(&clp->cl_lock);
INIT_DELAYED_WORK(&clp->cl_renewd, nfs4_renew_state);
rpc_init_wait_queue(&clp->cl_rpcwaitq, "NFS client");
@@ -155,15 +154,6 @@ static void nfs4_shutdown_client(struct nfs_client *clp)
#ifdef CONFIG_NFS_V4
if (__test_and_clear_bit(NFS_CS_RENEWD, &clp->cl_res_state))
nfs4_kill_renewd(clp);
- while (!list_empty(&clp->cl_unused)) {
- struct nfs4_state_owner *sp;
-
- sp = list_entry(clp->cl_unused.next,
- struct nfs4_state_owner,
- so_list);
- list_del(&sp->so_list);
- kfree(sp);
- }
BUG_ON(!list_empty(&clp->cl_state_owners));
if (__test_and_clear_bit(NFS_CS_IDMAP, &clp->cl_res_state))
nfs_idmap_delete(clp);
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index 0030248d63ec..2b00c45aebea 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -75,21 +75,6 @@ nfs4_alloc_lockowner_id(struct nfs_client *clp)
return clp->cl_lockowner_id ++;
}
-static struct nfs4_state_owner *
-nfs4_client_grab_unused(struct nfs_client *clp, struct rpc_cred *cred)
-{
- struct nfs4_state_owner *sp = NULL;
-
- if (!list_empty(&clp->cl_unused)) {
- sp = list_entry(clp->cl_unused.next, struct nfs4_state_owner, so_list);
- atomic_inc(&sp->so_count);
- sp->so_cred = get_rpccred(cred);
- list_move(&sp->so_list, &clp->cl_state_owners);
- clp->cl_nunused--;
- }
- return sp;
-}
-
struct rpc_cred *nfs4_get_renew_cred(struct nfs_client *clp)
{
struct nfs4_state_owner *sp;
@@ -178,8 +163,6 @@ struct nfs4_state_owner *nfs4_get_state_owner(struct nfs_server *server, struct
new = nfs4_alloc_state_owner();
spin_lock(&clp->cl_lock);
sp = nfs4_find_state_owner(clp, cred);
- if (sp == NULL)
- sp = nfs4_client_grab_unused(clp, cred);
if (sp == NULL && new != NULL) {
list_add(&new->so_list, &clp->cl_state_owners);
new->so_client = clp;
@@ -206,17 +189,6 @@ void nfs4_put_state_owner(struct nfs4_state_owner *sp)
if (!atomic_dec_and_lock(&sp->so_count, &clp->cl_lock))
return;
- if (clp->cl_nunused >= OPENOWNER_POOL_SIZE)
- goto out_free;
- if (list_empty(&sp->so_list))
- goto out_free;
- list_move(&sp->so_list, &clp->cl_unused);
- clp->cl_nunused++;
- spin_unlock(&clp->cl_lock);
- put_rpccred(cred);
- cred = NULL;
- return;
-out_free:
list_del(&sp->so_list);
spin_unlock(&clp->cl_lock);
put_rpccred(cred);
diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h
index 144d955dc46a..2cef0a68aa77 100644
--- a/include/linux/nfs_fs_sb.h
+++ b/include/linux/nfs_fs_sb.h
@@ -44,8 +44,6 @@ struct nfs_client {
struct list_head cl_delegations;
struct list_head cl_state_owners;
- struct list_head cl_unused;
- int cl_nunused;
spinlock_t cl_lock;
unsigned long cl_lease_time;