cregit-Linux how code gets into the kernel

Release 4.18 fs/jfs/jfs_debug.c

Directory: fs/jfs
/*
 *   Copyright (C) International Business Machines Corp., 2000-2004
 *   Portions Copyright (C) Christoph Hellwig, 2001-2002
 *
 *   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
 */

#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; }

Contributors

PersonTokensPropCommitsCommitProp
Dave Kleikamp1970.37%150.00%
Alexey Dobriyan829.63%150.00%
Total27100.00%2100.00%


static int jfs_loglevel_proc_open(struct inode *inode, struct file *file) { return single_open(file, jfs_loglevel_proc_show, NULL); }

Contributors

PersonTokensPropCommitsCommitProp
Alexey Dobriyan2492.31%150.00%
Dave Kleikamp27.69%150.00%
Total26100.00%2100.00%


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; }

Contributors

PersonTokensPropCommitsCommitProp
Dave Kleikamp5789.06%133.33%
Alexey Dobriyan69.38%133.33%
Andries E. Brouwer11.56%133.33%
Total64100.00%3100.00%

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 }

Contributors

PersonTokensPropCommitsCommitProp
Christoph Hellwig7673.08%125.00%
Dave Kleikamp2322.12%125.00%
Alexey Dobriyan54.81%250.00%
Total104100.00%4100.00%


void jfs_proc_clean(void) { remove_proc_subtree("fs/jfs", NULL); }

Contributors

PersonTokensPropCommitsCommitProp
Dave Kleikamp1178.57%133.33%
Alexey Dobriyan214.29%133.33%
Christoph Hellwig17.14%133.33%
Total14100.00%3100.00%

#endif /* PROC_FS_JFS */

Overall Contributors

PersonTokensPropCommitsCommitProp
Dave Kleikamp14848.05%337.50%
Alexey Dobriyan8126.30%225.00%
Christoph Hellwig7725.00%112.50%
Linus Torvalds10.32%112.50%
Andries E. Brouwer10.32%112.50%
Total308100.00%8100.00%
Directory: fs/jfs
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