nfs41: v2 fix cb_recall bug
in NFSv4.1 the seqid part of a stateid in CB_RECALL must be 0
Signed-off-by: Alexandros Batsakis <batsakis@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c
index f4758ec..2563beb 100644
--- a/fs/nfs/delegation.c
+++ b/fs/nfs/delegation.c
@@ -454,18 +454,21 @@
/*
* Asynchronous delegation recall!
*/
-int nfs_async_inode_return_delegation(struct inode *inode, const nfs4_stateid *stateid)
+int nfs_async_inode_return_delegation(struct inode *inode, const nfs4_stateid *stateid,
+ int (*validate_stateid)(struct nfs_delegation *delegation,
+ const nfs4_stateid *stateid))
{
struct nfs_client *clp = NFS_SERVER(inode)->nfs_client;
struct nfs_delegation *delegation;
rcu_read_lock();
delegation = rcu_dereference(NFS_I(inode)->delegation);
- if (delegation == NULL || memcmp(delegation->stateid.data, stateid->data,
- sizeof(delegation->stateid.data)) != 0) {
+
+ if (!validate_stateid(delegation, stateid)) {
rcu_read_unlock();
return -ENOENT;
}
+
nfs_mark_return_delegation(clp, delegation);
rcu_read_unlock();
nfs_delegation_run_state_manager(clp);
