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// SPDX-License-Identifier: GPL-2.0-or-later
/* General filesystem local caching manager
*
* Copyright (C) 2021 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@redhat.com)
*/
#define FSCACHE_DEBUG_LEVEL CACHE
#include <linux/module.h>
#include <linux/init.h>
#define CREATE_TRACE_POINTS
#include "internal.h"
MODULE_DESCRIPTION("FS Cache Manager");
MODULE_AUTHOR("Red Hat, Inc.");
MODULE_LICENSE("GPL");
unsigned fscache_debug;
module_param_named(debug, fscache_debug, uint,
S_IWUSR | S_IRUGO);
MODULE_PARM_DESC(fscache_debug,
"FS-Cache debugging mask");
struct workqueue_struct *fscache_wq;
EXPORT_SYMBOL(fscache_wq);
/*
* initialise the fs caching module
*/
static int __init fscache_init(void)
{
int ret = -ENOMEM;
fscache_wq = alloc_workqueue("fscache", WQ_UNBOUND | WQ_FREEZABLE, 0);
if (!fscache_wq)
goto error_wq;
ret = fscache_proc_init();
if (ret < 0)
goto error_proc;
pr_notice("Loaded\n");
return 0;
error_proc:
destroy_workqueue(fscache_wq);
error_wq:
return ret;
}
fs_initcall(fscache_init);
/*
* clean up on module removal
*/
static void __exit fscache_exit(void)
{
_enter("");
fscache_proc_cleanup();
destroy_workqueue(fscache_wq);
pr_notice("Unloaded\n");
}
module_exit(fscache_exit);
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