proc: move /proc/devices code to fs/proc/devices.c

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>

3 files changed, 71 insertions, 60 deletions

diff --git a/fs/proc/Makefile b/fs/proc/Makefile
index 48f9f0f121b0..f24ebfdc5b4f 100644
--- a/fs/proc/Makefile
+++ b/fs/proc/Makefile
@@ -10,6 +10,7 @@ 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  += devices.o
 proc-y  += loadavg.o
 proc-y  += meminfo.o
 proc-y  += uptime.o
diff --git a/fs/proc/devices.c b/fs/proc/devices.c
new file mode 100644
index 000000000000..59ee7da959c9
--- /dev/null
+++ b/fs/proc/devices.c
@@ -0,0 +1,70 @@
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+
+static int devinfo_show(struct seq_file *f, void *v)
+{
+        int i = *(loff_t *) v;
+
+        if (i < CHRDEV_MAJOR_HASH_SIZE) {
+                if (i == 0)
+                        seq_printf(f, "Character devices:\n");
+                chrdev_show(f, i);
+        }
+#ifdef CONFIG_BLOCK
+        else {
+                i -= CHRDEV_MAJOR_HASH_SIZE;
+                if (i == 0)
+                        seq_printf(f, "\nBlock devices:\n");
+                blkdev_show(f, i);
+        }
+#endif
+        return 0;
+}
+
+static void *devinfo_start(struct seq_file *f, loff_t *pos)
+{
+        if (*pos < (BLKDEV_MAJOR_HASH_SIZE + CHRDEV_MAJOR_HASH_SIZE))
+                return pos;
+        return NULL;
+}
+
+static void *devinfo_next(struct seq_file *f, void *v, loff_t *pos)
+{
+        (*pos)++;
+        if (*pos >= (BLKDEV_MAJOR_HASH_SIZE + CHRDEV_MAJOR_HASH_SIZE))
+                return NULL;
+        return pos;
+}
+
+static void devinfo_stop(struct seq_file *f, void *v)
+{
+        /* Nothing to do */
+}
+
+static const struct seq_operations devinfo_ops = {
+        .start = devinfo_start,
+        .next  = devinfo_next,
+        .stop  = devinfo_stop,
+        .show  = devinfo_show
+};
+
+static int devinfo_open(struct inode *inode, struct file *filp)
+{
+        return seq_open(filp, &devinfo_ops);
+}
+
+static const struct file_operations proc_devinfo_operations = {
+        .open           = devinfo_open,
+        .read           = seq_read,
+        .llseek         = seq_lseek,
+        .release        = seq_release,
+};
+
+static int __init proc_devices_init(void)
+{
+        proc_create("devices", 0, NULL, &proc_devinfo_operations);
+        return 0;
+}
+module_init(proc_devices_init);
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index fea7d658fff6..a6fadc0cc4b0 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -107,65 +107,6 @@ static const struct file_operations proc_cpuinfo_operations = {
         .release        = seq_release,
 };
 
-static int devinfo_show(struct seq_file *f, void *v)
-{
-        int i = *(loff_t *) v;
-
-        if (i < CHRDEV_MAJOR_HASH_SIZE) {
-                if (i == 0)
-                        seq_printf(f, "Character devices:\n");
-                chrdev_show(f, i);
-        }
-#ifdef CONFIG_BLOCK
-        else {
-                i -= CHRDEV_MAJOR_HASH_SIZE;
-                if (i == 0)
-                        seq_printf(f, "\nBlock devices:\n");
-                blkdev_show(f, i);
-        }
-#endif
-        return 0;
-}
-
-static void *devinfo_start(struct seq_file *f, loff_t *pos)
-{
-        if (*pos < (BLKDEV_MAJOR_HASH_SIZE + CHRDEV_MAJOR_HASH_SIZE))
-                return pos;
-        return NULL;
-}
-
-static void *devinfo_next(struct seq_file *f, void *v, loff_t *pos)
-{
-        (*pos)++;
-        if (*pos >= (BLKDEV_MAJOR_HASH_SIZE + CHRDEV_MAJOR_HASH_SIZE))
-                return NULL;
-        return pos;
-}
-
-static void devinfo_stop(struct seq_file *f, void *v)
-{
-        /* Nothing to do */
-}
-
-static const struct seq_operations devinfo_ops = {
-        .start = devinfo_start,
-        .next  = devinfo_next,
-        .stop  = devinfo_stop,
-        .show  = devinfo_show
-};
-
-static int devinfo_open(struct inode *inode, struct file *filp)
-{
-        return seq_open(filp, &devinfo_ops);
-}
-
-static const struct file_operations proc_devinfo_operations = {
-        .open           = devinfo_open,
-        .read           = seq_read,
-        .llseek         = seq_lseek,
-        .release        = seq_release,
-};
-
 static int vmstat_open(struct inode *inode, struct file *file)
 {
         return seq_open(file, &vmstat_op);
@@ -591,7 +532,6 @@ void __init proc_misc_init(void)
         proc_symlink("mounts", NULL, "self/mounts");
 
         /* And now for trickier ones */
-        proc_create("devices", 0, NULL, &proc_devinfo_operations);
         proc_create("cpuinfo", 0, NULL, &proc_cpuinfo_operations);
 #ifdef CONFIG_BLOCK
         proc_create("partitions", 0, NULL, &proc_partitions_operations);