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NFSv4: Reduce the chances of an open_owner identifier collision

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Currently we just use a 32-bit counter.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust
2007-07-02 13:58:33 -04:00
parent 88d9093997
commit 9f958ab885
7 changed files with 190 additions and 67 deletions
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3
fs/nfs/client.c
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@@ -130,7 +130,6 @@ static struct nfs_client *nfs_alloc_client(const char *hostname,
#ifdef CONFIG_NFS_V4
init_rwsem(&clp->cl_sem);
INIT_LIST_HEAD(&clp->cl_delegations);
INIT_LIST_HEAD(&clp->cl_state_owners);
spin_lock_init(&clp->cl_lock);
INIT_DELAYED_WORK(&clp->cl_renewd, nfs4_renew_state);
rpc_init_wait_queue(&clp->cl_rpcwaitq, "NFS client");
@@ -154,7 +153,7 @@ 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);
BUG_ON(!list_empty(&clp->cl_state_owners));
BUG_ON(!RB_EMPTY_ROOT(&clp->cl_state_owners));
if (__test_and_clear_bit(NFS_CS_IDMAP, &clp->cl_res_state))
nfs_idmap_delete(clp);
#endif