mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-26 14:14:01 +08:00
1a59d1b8e0
Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details you should have received a copy of the gnu general public license along with this program if not write to the free software foundation inc 59 temple place suite 330 boston ma 02111 1307 usa extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 1334 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
81 lines
1.9 KiB
C
81 lines
1.9 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
/*
|
|
* Copyright (C) International Business Machines Corp., 2000-2004
|
|
* Portions Copyright (C) Christoph Hellwig, 2001-2002
|
|
*/
|
|
|
|
#include <linux/fs.h>
|
|
#include <linux/ctype.h>
|
|
#include <linux/module.h>
|
|
#include <linux/proc_fs.h>
|
|
#include <linux/seq_file.h>
|
|
#include <linux/uaccess.h>
|
|
#include "jfs_incore.h"
|
|
#include "jfs_filsys.h"
|
|
#include "jfs_debug.h"
|
|
|
|
#ifdef PROC_FS_JFS /* see jfs_debug.h */
|
|
|
|
#ifdef CONFIG_JFS_DEBUG
|
|
static int jfs_loglevel_proc_show(struct seq_file *m, void *v)
|
|
{
|
|
seq_printf(m, "%d\n", jfsloglevel);
|
|
return 0;
|
|
}
|
|
|
|
static int jfs_loglevel_proc_open(struct inode *inode, struct file *file)
|
|
{
|
|
return single_open(file, jfs_loglevel_proc_show, NULL);
|
|
}
|
|
|
|
static ssize_t jfs_loglevel_proc_write(struct file *file,
|
|
const char __user *buffer, size_t count, loff_t *ppos)
|
|
{
|
|
char c;
|
|
|
|
if (get_user(c, buffer))
|
|
return -EFAULT;
|
|
|
|
/* yes, I know this is an ASCIIism. --hch */
|
|
if (c < '0' || c > '9')
|
|
return -EINVAL;
|
|
jfsloglevel = c - '0';
|
|
return count;
|
|
}
|
|
|
|
static const struct file_operations jfs_loglevel_proc_fops = {
|
|
.open = jfs_loglevel_proc_open,
|
|
.read = seq_read,
|
|
.llseek = seq_lseek,
|
|
.release = single_release,
|
|
.write = jfs_loglevel_proc_write,
|
|
};
|
|
#endif
|
|
|
|
void jfs_proc_init(void)
|
|
{
|
|
struct proc_dir_entry *base;
|
|
|
|
base = proc_mkdir("fs/jfs", NULL);
|
|
if (!base)
|
|
return;
|
|
|
|
#ifdef CONFIG_JFS_STATISTICS
|
|
proc_create_single("lmstats", 0, base, jfs_lmstats_proc_show);
|
|
proc_create_single("txstats", 0, base, jfs_txstats_proc_show);
|
|
proc_create_single("xtstat", 0, base, jfs_xtstat_proc_show);
|
|
proc_create_single("mpstat", 0, base, jfs_mpstat_proc_show);
|
|
#endif
|
|
#ifdef CONFIG_JFS_DEBUG
|
|
proc_create_single("TxAnchor", 0, base, jfs_txanchor_proc_show);
|
|
proc_create("loglevel", 0, base, &jfs_loglevel_proc_fops);
|
|
#endif
|
|
}
|
|
|
|
void jfs_proc_clean(void)
|
|
{
|
|
remove_proc_subtree("fs/jfs", NULL);
|
|
}
|
|
|
|
#endif /* PROC_FS_JFS */
|