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Commit 039b756a authored by Peng Tao's avatar Peng Tao Committed by Trond Myklebust
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nfs41: layout return on close in delegation return 



If file is not opened by anyone, we do layout return on close
in delegation return.

Signed-off-by: default avatarPeng Tao <tao.peng@primarydata.com>
Signed-off-by: default avatarTrond Myklebust <trond.myklebust@primarydata.com>
parent fe08c546

fs/nfs/nfs4proc.c

+16 −1
Original line number Diff line number Diff line
@@ -5030,6 +5030,9 @@ struct nfs4_delegreturndata { 
	unsigned long timestamp;

	struct nfs_fattr fattr;

	int rpc_status;

	struct inode *inode;

	bool roc;

	u32 roc_barrier;

};



static void nfs4_delegreturn_done(struct rpc_task *task, void *calldata)
@@ -5043,7 +5046,6 @@ static void nfs4_delegreturn_done(struct rpc_task *task, void *calldata) 
	switch (task->tk_status) {

	case 0:

		renew_lease(data->res.server, data->timestamp);

		break;

	case -NFS4ERR_ADMIN_REVOKED:

	case -NFS4ERR_DELEG_REVOKED:

	case -NFS4ERR_BAD_STATEID:
@@ -5051,6 +5053,8 @@ static void nfs4_delegreturn_done(struct rpc_task *task, void *calldata) 
	case -NFS4ERR_STALE_STATEID:

	case -NFS4ERR_EXPIRED:

		task->tk_status = 0;

		if (data->roc)

			pnfs_roc_set_barrier(data->inode, data->roc_barrier);

		break;

	default:

		if (nfs4_async_handle_error(task, data->res.server, NULL) ==
@@ -5064,6 +5068,10 @@ static void nfs4_delegreturn_done(struct rpc_task *task, void *calldata) 


static void nfs4_delegreturn_release(void *calldata)

{

	struct nfs4_delegreturndata *data = calldata;



	if (data->roc)

		pnfs_roc_release(data->inode);

	kfree(calldata);

}
@@ -5073,6 +5081,10 @@ static void nfs4_delegreturn_prepare(struct rpc_task *task, void *data) 


	d_data = (struct nfs4_delegreturndata *)data;



	if (d_data->roc &&

	    pnfs_roc_drain(d_data->inode, &d_data->roc_barrier, task))

		return;



	nfs4_setup_sequence(d_data->res.server,

			&d_data->args.seq_args,

			&d_data->res.seq_res,
@@ -5116,6 +5128,9 @@ static int _nfs4_proc_delegreturn(struct inode *inode, struct rpc_cred *cred, co 
	nfs_fattr_init(data->res.fattr);

	data->timestamp = jiffies;

	data->rpc_status = 0;

	data->inode = inode;

	data->roc = list_empty(&NFS_I(inode)->open_files) ?

		    pnfs_roc(inode) : false;



	task_setup_data.callback_data = data;

	msg.rpc_argp = &data->args;