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

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

diff --git a/fs/proc/Makefile b/fs/proc/Makefile
index 48f9f0f..f24ebfd 100644 (file)
--- 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 (file)
index 0000000..59ee7da
--- /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 fea7d65..a6fadc0 100644 (file)
--- 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);