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Message-ID: <20081017124601.GN22653@x200.localdomain>
Date: Fri, 17 Oct 2008 16:46:01 +0400
From: Alexey Dobriyan <adobriyan@...il.com>
To: linux-kernel@...r.kernel.org
Subject: [PATCH 13/31] proc: move /proc/devices code to fs/proc/devices.c
>From 1ef9788b6d36c6aef19878b15a7ef268b157c076 Mon Sep 17 00:00:00 2001
From: Alexey Dobriyan <adobriyan@...il.com>
Date: Sat, 4 Oct 2008 23:11:37 +0400
Subject: [PATCH 13/31] proc: move /proc/devices code to fs/proc/devices.c
Signed-off-by: Alexey Dobriyan <adobriyan@...il.com>
---
fs/proc/Makefile | 1 +
fs/proc/devices.c | 70 +++++++++++++++++++++++++++++++++++++++++++++++++++
fs/proc/proc_misc.c | 60 -------------------------------------------
3 files changed, 71 insertions(+), 60 deletions(-)
create mode 100644 fs/proc/devices.c
diff --git a/fs/proc/Makefile b/fs/proc/Makefile
index 48f9f0f..f24ebfd 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 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 19cf7a0..8018979 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -106,65 +106,6 @@ 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);
@@ -593,7 +534,6 @@ 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);
--
1.5.6.5
--
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