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Commit c79571a5 authored by Alexandros Batsakis's avatar Alexandros Batsakis Committed by Trond Myklebust
Browse files

nfs4: V2 return/expire delegations depending on their type 



Signed-off-by: default avatarAlexandros Batsakis <batsakis@netapp.com>
Signed-off-by: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
parent b4a6f496

fs/nfs/delegation.c

+18 −4
Original line number Diff line number Diff line
@@ -385,29 +385,43 @@ 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);

}



void nfs_expire_all_delegations(struct nfs_client *clp)

static void nfs_expire_all_delegation_types(struct nfs_client *clp, fmode_t flags)

{

	nfs_client_mark_return_all_delegations(clp);

	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_expire_all_delegation_types(clp, FMODE_READ|FMODE_WRITE);

}



/*

 * Return all delegations following an NFS4ERR_CB_PATH_DOWN error.

 */