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-rw-r--r--fs/proc/Makefile1
-rw-r--r--fs/proc/devices.c70
-rw-r--r--fs/proc/proc_misc.c60
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
10proc-y += inode.o root.o base.o generic.o array.o \ 10proc-y += inode.o root.o base.o generic.o array.o \
11 proc_tty.o proc_misc.o 11 proc_tty.o proc_misc.o
12proc-y += cmdline.o 12proc-y += cmdline.o
13proc-y += devices.o
13proc-y += loadavg.o 14proc-y += loadavg.o
14proc-y += meminfo.o 15proc-y += meminfo.o
15proc-y += uptime.o 16proc-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 @@
1#include <linux/fs.h>
2#include <linux/init.h>
3#include <linux/proc_fs.h>
4#include <linux/seq_file.h>
5
6static int devinfo_show(struct seq_file *f, void *v)
7{
8 int i = *(loff_t *) v;
9
10 if (i < CHRDEV_MAJOR_HASH_SIZE) {
11 if (i == 0)
12 seq_printf(f, "Character devices:\n");
13 chrdev_show(f, i);
14 }
15#ifdef CONFIG_BLOCK
16 else {
17 i -= CHRDEV_MAJOR_HASH_SIZE;
18 if (i == 0)
19 seq_printf(f, "\nBlock devices:\n");
20 blkdev_show(f, i);
21 }
22#endif
23 return 0;
24}
25
26static void *devinfo_start(struct seq_file *f, loff_t *pos)
27{
28 if (*pos < (BLKDEV_MAJOR_HASH_SIZE + CHRDEV_MAJOR_HASH_SIZE))
29 return pos;
30 return NULL;
31}
32
33static void *devinfo_next(struct seq_file *f, void *v, loff_t *pos)
34{
35 (*pos)++;
36 if (*pos >= (BLKDEV_MAJOR_HASH_SIZE + CHRDEV_MAJOR_HASH_SIZE))
37 return NULL;
38 return pos;
39}
40
41static void devinfo_stop(struct seq_file *f, void *v)
42{
43 /* Nothing to do */
44}
45
46static const struct seq_operations devinfo_ops = {
47 .start = devinfo_start,
48 .next = devinfo_next,
49 .stop = devinfo_stop,
50 .show = devinfo_show
51};
52
53static int devinfo_open(struct inode *inode, struct file *filp)
54{
55 return seq_open(filp, &devinfo_ops);
56}
57
58static const struct file_operations proc_devinfo_operations = {
59 .open = devinfo_open,
60 .read = seq_read,
61 .llseek = seq_lseek,
62 .release = seq_release,
63};
64
65static int __init proc_devices_init(void)
66{
67 proc_create("devices", 0, NULL, &proc_devinfo_operations);
68 return 0;
69}
70module_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 = {
107 .release = seq_release, 107 .release = seq_release,
108}; 108};
109 109
110static int devinfo_show(struct seq_file *f, void *v)
111{
112 int i = *(loff_t *) v;
113
114 if (i < CHRDEV_MAJOR_HASH_SIZE) {
115 if (i == 0)
116 seq_printf(f, "Character devices:\n");
117 chrdev_show(f, i);
118 }
119#ifdef CONFIG_BLOCK
120 else {
121 i -= CHRDEV_MAJOR_HASH_SIZE;
122 if (i == 0)
123 seq_printf(f, "\nBlock devices:\n");
124 blkdev_show(f, i);
125 }
126#endif
127 return 0;
128}
129
130static void *devinfo_start(struct seq_file *f, loff_t *pos)
131{
132 if (*pos < (BLKDEV_MAJOR_HASH_SIZE + CHRDEV_MAJOR_HASH_SIZE))
133 return pos;
134 return NULL;
135}
136
137static void *devinfo_next(struct seq_file *f, void *v, loff_t *pos)
138{
139 (*pos)++;
140 if (*pos >= (BLKDEV_MAJOR_HASH_SIZE + CHRDEV_MAJOR_HASH_SIZE))
141 return NULL;
142 return pos;
143}
144
145static void devinfo_stop(struct seq_file *f, void *v)
146{
147 /* Nothing to do */
148}
149
150static const struct seq_operations devinfo_ops = {
151 .start = devinfo_start,
152 .next = devinfo_next,
153 .stop = devinfo_stop,
154 .show = devinfo_show
155};
156
157static int devinfo_open(struct inode *inode, struct file *filp)
158{
159 return seq_open(filp, &devinfo_ops);
160}
161
162static const struct file_operations proc_devinfo_operations = {
163 .open = devinfo_open,
164 .read = seq_read,
165 .llseek = seq_lseek,
166 .release = seq_release,
167};
168
169static int vmstat_open(struct inode *inode, struct file *file) 110static int vmstat_open(struct inode *inode, struct file *file)
170{ 111{
171 return seq_open(file, &vmstat_op); 112 return seq_open(file, &vmstat_op);
@@ -591,7 +532,6 @@ void __init proc_misc_init(void)
591 proc_symlink("mounts", NULL, "self/mounts"); 532 proc_symlink("mounts", NULL, "self/mounts");
592 533
593 /* And now for trickier ones */ 534 /* And now for trickier ones */
594 proc_create("devices", 0, NULL, &proc_devinfo_operations);
595 proc_create("cpuinfo", 0, NULL, &proc_cpuinfo_operations); 535 proc_create("cpuinfo", 0, NULL, &proc_cpuinfo_operations);
596#ifdef CONFIG_BLOCK 536#ifdef CONFIG_BLOCK
597 proc_create("partitions", 0, NULL, &proc_partitions_operations); 537 proc_create("partitions", 0, NULL, &proc_partitions_operations);