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NFSv41: Fix nfs_async_inode_return_delegation() ugliness 

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2010-06-16 09:52:27 -04:00
parent c48f4f3541
commit e047a10c12
5 changed files with 8 additions and 19 deletions
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13
fs/nfs/callback_proc.c
View File

@ -62,16 +62,6 @@ out:
return res->status;
}
static int (*nfs_validate_delegation_stateid(struct nfs_client *clp))(struct nfs_delegation *, const nfs4_stateid *)
{
#if defined(CONFIG_NFS_V4_1)
if (clp->cl_minorversion > 0)
return nfs41_validate_delegation_stateid;
#endif
return nfs4_validate_delegation_stateid;
}
__be32 nfs4_callback_recall(struct cb_recallargs *args, void *dummy)
{
struct nfs_client *clp;
@ -92,8 +82,7 @@ __be32 nfs4_callback_recall(struct cb_recallargs *args, void *dummy)
inode = nfs_delegation_find_inode(clp, &args->fh);
if (inode != NULL) {
/* Set up a helper thread to actually return the delegation */
switch (nfs_async_inode_return_delegation(inode, &args->stateid,
nfs_validate_delegation_stateid(clp))) {
switch (nfs_async_inode_return_delegation(inode, &args->stateid)) {
case 0:
res = 0;
break;

6
fs/nfs/delegation.c
View File

@ -471,9 +471,7 @@ 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 (*validate_stateid)(struct nfs_delegation *delegation,
const nfs4_stateid *stateid))
int nfs_async_inode_return_delegation(struct inode *inode, const nfs4_stateid *stateid)
{
struct nfs_client *clp = NFS_SERVER(inode)->nfs_client;
struct nfs_delegation *delegation;
@ -481,7 +479,7 @@ int nfs_async_inode_return_delegation(struct inode *inode, const nfs4_stateid *s
rcu_read_lock();
delegation = rcu_dereference(NFS_I(inode)->delegation);
if (!validate_stateid(delegation, stateid)) {
if (!clp->cl_mvops->validate_stateid(delegation, stateid)) {
rcu_read_unlock();
return -ENOENT;
}

4
fs/nfs/delegation.h
View File

@ -34,9 +34,7 @@ enum {
int nfs_inode_set_delegation(struct inode *inode, struct rpc_cred *cred, struct nfs_openres *res);
void nfs_inode_reclaim_delegation(struct inode *inode, struct rpc_cred *cred, struct nfs_openres *res);
int nfs_inode_return_delegation(struct inode *inode);
int nfs_async_inode_return_delegation(struct inode *inode, const nfs4_stateid *stateid,
int (*validate_stateid)(struct nfs_delegation *delegation,
const nfs4_stateid *stateid));
int nfs_async_inode_return_delegation(struct inode *inode, const nfs4_stateid *stateid);
void nfs_inode_return_delegation_noreclaim(struct inode *inode);
struct inode *nfs_delegation_find_inode(struct nfs_client *clp, const struct nfs_fh *fhandle);

2
fs/nfs/nfs4_fs.h
View File

@ -60,6 +60,8 @@ struct nfs4_minor_version_ops {
struct nfs4_sequence_args *args,
struct nfs4_sequence_res *res,
int cache_reply);
int (*validate_stateid)(struct nfs_delegation *,
const nfs4_stateid *);
const struct nfs4_state_recovery_ops *reboot_recovery_ops;
const struct nfs4_state_recovery_ops *nograce_recovery_ops;
const struct nfs4_state_maintenance_ops *state_renewal_ops;

2
fs/nfs/nfs4proc.c
View File

@ -5356,6 +5356,7 @@ struct nfs4_state_maintenance_ops nfs41_state_renewal_ops = {
static const struct nfs4_minor_version_ops nfs_v4_0_minor_ops = {
.minor_version = 0,
.call_sync = _nfs4_call_sync,
.validate_stateid = nfs4_validate_delegation_stateid,
.reboot_recovery_ops = &nfs40_reboot_recovery_ops,
.nograce_recovery_ops = &nfs40_nograce_recovery_ops,
.state_renewal_ops = &nfs40_state_renewal_ops,
@ -5365,6 +5366,7 @@ static const struct nfs4_minor_version_ops nfs_v4_0_minor_ops = {
static const struct nfs4_minor_version_ops nfs_v4_1_minor_ops = {
.minor_version = 1,
.call_sync = _nfs4_call_sync_session,
.validate_stateid = nfs41_validate_delegation_stateid,
.reboot_recovery_ops = &nfs41_reboot_recovery_ops,
.nograce_recovery_ops = &nfs41_nograce_recovery_ops,
.state_renewal_ops = &nfs41_state_renewal_ops,