uml: convert to seq_file/proc_fops

[safe/jmp/linux-2.6] / arch / um / kernel / process.c

diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c
index 4a28a15..2f910a1 100644 (file)
--- a/arch/um/kernel/process.c
+++ b/arch/um/kernel/process.c
@@ -9,11 +9,13 @@
 #include <linux/hardirq.h>
 #include <linux/gfp.h>
 #include <linux/mm.h>
+#include <linux/module.h>
 #include <linux/personality.h>
 #include <linux/proc_fs.h>
 #include <linux/ptrace.h>
 #include <linux/random.h>
 #include <linux/sched.h>
+#include <linux/seq_file.h>
 #include <linux/tick.h>
 #include <linux/threads.h>
 #include <asm/current.h>
@@ -336,16 +338,19 @@ int get_using_sysemu(void)
        return atomic_read(&using_sysemu);
 }
 
-static int proc_read_sysemu(char *buf, char **start, off_t offset, int size,int *eof, void *data)
+static int sysemu_proc_show(struct seq_file *m, void *v)
 {
-       if (snprintf(buf, size, "%d\n", get_using_sysemu()) < size)
-               /* No overflow */
-               *eof = 1;
+       seq_printf(m, "%d\n", get_using_sysemu());
+       return 0;
+}
 
-       return strlen(buf);
+static int sysemu_proc_open(struct inode *inode, struct file *file)
+{
+       return single_open(file, sysemu_proc_show, NULL);
 }
 
-static int proc_write_sysemu(struct file *file,const char __user *buf, unsigned long count,void *data)
+static ssize_t sysemu_proc_write(struct file *file, const char __user *buf,
+                                size_t count, loff_t *pos)
 {
        char tmp[2];
 
@@ -358,13 +363,22 @@ static int proc_write_sysemu(struct file *file,const char __user *buf, unsigned
        return count;
 }
 
+static const struct file_operations sysemu_proc_fops = {
+       .owner          = THIS_MODULE,
+       .open           = sysemu_proc_open,
+       .read           = seq_read,
+       .llseek         = seq_lseek,
+       .release        = single_release,
+       .write          = sysemu_proc_write,
+};
+
 int __init make_proc_sysemu(void)
 {
        struct proc_dir_entry *ent;
        if (!sysemu_supported)
                return 0;
 
-       ent = create_proc_entry("sysemu", 0600, NULL);
+       ent = proc_create("sysemu", 0600, NULL, &sysemu_proc_fops);
 
        if (ent == NULL)
        {
@@ -372,9 +386,6 @@ int __init make_proc_sysemu(void)
                return 0;
        }
 
-       ent->read_proc  = proc_read_sysemu;
-       ent->write_proc = proc_write_sysemu;
-
        return 0;
 }