linux/fs/netfs/objects.c

// SPDX-License-Identifier: GPL-2.0-only
/* Object lifetime handling and tracing.
 *
 * Copyright (C) 2022 Red Hat, Inc. All Rights Reserved.
 * Written by David Howells ([email protected])
 */

#include <linux/slab.h>
#include <linux/mempool.h>
#include <linux/delay.h>
#include "internal.h"

/*
 * Allocate an I/O request and initialise it.
 */
struct netfs_io_request *netfs_alloc_request(struct address_space *mapping,
					     struct file *file,
					     loff_t start, size_t len,
					     enum netfs_io_origin origin)
{ … }

void netfs_get_request(struct netfs_io_request *rreq, enum netfs_rreq_ref_trace what)
{ … }

void netfs_clear_subrequests(struct netfs_io_request *rreq, bool was_async)
{ … }

static void netfs_free_request_rcu(struct rcu_head *rcu)
{ … }

static void netfs_free_request(struct work_struct *work)
{ … }

void netfs_put_request(struct netfs_io_request *rreq, bool was_async,
		       enum netfs_rreq_ref_trace what)
{ … }

/*
 * Allocate and partially initialise an I/O request structure.
 */
struct netfs_io_subrequest *netfs_alloc_subrequest(struct netfs_io_request *rreq)
{ … }

void netfs_get_subrequest(struct netfs_io_subrequest *subreq,
			  enum netfs_sreq_ref_trace what)
{ … }

static void netfs_free_subrequest(struct netfs_io_subrequest *subreq,
				  bool was_async)
{ … }

void netfs_put_subrequest(struct netfs_io_subrequest *subreq, bool was_async,
			  enum netfs_sreq_ref_trace what)
{ … }