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nfs4: V2 return/expire delegations depending on their type

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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 13:20:52 -05:00 committed by Trond Myklebust
parent b4a6f4966e
commit c79571a508
1 changed files with 18 additions and 4 deletions
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20
fs/nfs/delegation.c
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@ -385,27 +385,41 @@ void nfs_super_return_all_delegations(struct super_block *sb)
nfs4_schedule_state_manager(clp);
}
static void nfs_client_mark_return_all_delegations(struct nfs_client *clp)
static
void nfs_client_mark_return_all_delegation_types(struct nfs_client *clp, fmode_t flags)
{
struct nfs_delegation *delegation;
rcu_read_lock();
list_for_each_entry_rcu(delegation, &clp->cl_delegations, super_list) {
if ((delegation->type == (FMODE_READ|FMODE_WRITE)) && !(flags & FMODE_WRITE))
continue;
if (delegation->type & flags)
nfs_mark_return_delegation(clp, delegation);
}
rcu_read_unlock();
}
static void nfs_client_mark_return_all_delegations(struct nfs_client *clp)
{
nfs_client_mark_return_all_delegation_types(clp, FMODE_READ|FMODE_WRITE);
}
static void nfs_delegation_run_state_manager(struct nfs_client *clp)
{
if (test_bit(NFS4CLNT_DELEGRETURN, &clp->cl_state))
nfs4_schedule_state_manager(clp);
}
static void nfs_expire_all_delegation_types(struct nfs_client *clp, fmode_t flags)
{
nfs_client_mark_return_all_delegation_types(clp, flags);
nfs_delegation_run_state_manager(clp);
}
void nfs_expire_all_delegations(struct nfs_client *clp)
{
nfs_client_mark_return_all_delegations(clp);
nfs_delegation_run_state_manager(clp);
nfs_expire_all_delegation_types(clp, FMODE_READ|FMODE_WRITE);
}
/*