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nfs41: v2 fix cb_recall bug

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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>
This commit is contained in:
Alexandros Batsakis 2009-12-05 13:48:55 -05:00 • committed by Trond Myklebust
parent 0629e370dd
commit 2597641dea
4 changed files with 48 additions and 7 deletions
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9
fs/nfs/delegation.c
View file

@ -454,18 +454,21 @@ void nfs_expire_unreferenced_delegations(struct nfs_client *clp)
/*
* 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);