proc: switch /proc/cmdline to seq_file (cf9887f1) · Commits · e / devices / android_kernel_samsung_universal8890

fs/proc/Makefile

+1 −0

Original line number	Diff line number	Diff line
		@@ -9,6 +9,7 @@ proc-$(CONFIG_MMU) := mmu.o task_mmu.o

		proc-y += inode.o root.o base.o generic.o array.o \
		proc_tty.o proc_misc.o
		proc-y += cmdline.o
		proc-y += loadavg.o
		proc-y += meminfo.o
		proc-y += uptime.o

0 → 100644

+29 −0

Original line number	Diff line number	Diff line
		#include <linux/fs.h>
		#include <linux/init.h>
		#include <linux/proc_fs.h>
		#include <linux/seq_file.h>

		static int cmdline_proc_show(struct seq_file m, void v)
		{
		seq_printf(m, "%s\n", saved_command_line);
		return 0;
		}

		static int cmdline_proc_open(struct inode inode, struct file file)
		{
		return single_open(file, cmdline_proc_show, NULL);
		}

		static const struct file_operations cmdline_proc_fops = {
		.open = cmdline_proc_open,
		.read = seq_read,
		.llseek = seq_lseek,
		.release = single_release,
		};

		static int __init proc_cmdline_init(void)
		{
		proc_create("cmdline", 0, NULL, &cmdline_proc_fops);
		return 0;
		}
		module_init(proc_cmdline_init);

+0 −10

Original line number	Diff line number	Diff line
		@@ -472,15 +472,6 @@ static const struct file_operations proc_interrupts_operations = {
		.release = seq_release,
		};

		static int cmdline_read_proc(char page, char *start, off_t off,
		int count, int eof, void data)
		{
		int len;

		len = sprintf(page, "%s\n", saved_command_line);
		return proc_calc_metrics(page, start, off, count, eof, len);
		}

		#ifdef CONFIG_FILE_LOCKING
		static int locks_open(struct inode inode, struct file filp)
		{
		@@ -641,7 +632,6 @@ void __init proc_misc_init(void)
		char *name;
		int (read_proc)(char,char*,off_t,int,int,void*);
		} *p, simple_ones[] = {
		{"cmdline", cmdline_read_proc},
		{"execdomains", execdomains_read_proc},
		{NULL,}
		};