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TOMOYO Linux Cross Reference
Linux/fs/proc/cmdline.c

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  1 // SPDX-License-Identifier: GPL-2.0
  2 #include <linux/fs.h>
  3 #include <linux/init.h>
  4 #include <linux/proc_fs.h>
  5 #include <linux/seq_file.h>
  6 
  7 static int cmdline_proc_show(struct seq_file *m, void *v)
  8 {
  9         seq_printf(m, "%s\n", saved_command_line);
 10         return 0;
 11 }
 12 
 13 static int cmdline_proc_open(struct inode *inode, struct file *file)
 14 {
 15         return single_open(file, cmdline_proc_show, NULL);
 16 }
 17 
 18 static const struct file_operations cmdline_proc_fops = {
 19         .open           = cmdline_proc_open,
 20         .read           = seq_read,
 21         .llseek         = seq_lseek,
 22         .release        = single_release,
 23 };
 24 
 25 static int __init proc_cmdline_init(void)
 26 {
 27         proc_create("cmdline", 0, NULL, &cmdline_proc_fops);
 28         return 0;
 29 }
 30 fs_initcall(proc_cmdline_init);
 31 

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