30 lines
651 B
C
30 lines
651 B
C
#include <linux/fs.h>
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#include <linux/init.h>
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#include <linux/proc_fs.h>
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#include <linux/seq_file.h>
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static int cmdline_proc_show(struct seq_file *m, void *v)
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{
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seq_printf(m, "%s\n", saved_command_line);
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return 0;
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}
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static int cmdline_proc_open(struct inode *inode, struct file *file)
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{
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return single_open(file, cmdline_proc_show, NULL);
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}
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static const struct file_operations cmdline_proc_fops = {
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.open = cmdline_proc_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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};
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static int __init proc_cmdline_init(void)
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{
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proc_create("cmdline", 0, NULL, &cmdline_proc_fops);
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return 0;
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}
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module_init(proc_cmdline_init);
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