proc: move /proc/interrupts boilerplate code to fs/proc/interrupts.c

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

3 files changed, 54 insertions, 40 deletions

diff --git a/fs/proc/Makefile b/fs/proc/Makefile
index 13ffa7b8d92f..b921f4475c9d 100644
--- a/fs/proc/Makefile
+++ b/fs/proc/Makefile
@@ -12,6 +12,7 @@ proc-y       += inode.o root.o base.o generic.o array.o \
 proc-y  += cmdline.o
 proc-y  += cpuinfo.o
 proc-y  += devices.o
+proc-y  += interrupts.o
 proc-y  += loadavg.o
 proc-y  += meminfo.o
 proc-y  += stat.o
diff --git a/fs/proc/interrupts.c b/fs/proc/interrupts.c
new file mode 100644
index 000000000000..05029c0e2f24
--- /dev/null
+++ b/fs/proc/interrupts.c
@@ -0,0 +1,53 @@
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/irqnr.h>
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+
+/*
+ * /proc/interrupts
+ */
+static void *int_seq_start(struct seq_file *f, loff_t *pos)
+{
+        return (*pos <= nr_irqs) ? pos : NULL;
+}
+
+static void *int_seq_next(struct seq_file *f, void *v, loff_t *pos)
+{
+        (*pos)++;
+        if (*pos > nr_irqs)
+                return NULL;
+        return pos;
+}
+
+static void int_seq_stop(struct seq_file *f, void *v)
+{
+        /* Nothing to do */
+}
+
+static const struct seq_operations int_seq_ops = {
+        .start = int_seq_start,
+        .next  = int_seq_next,
+        .stop  = int_seq_stop,
+        .show  = show_interrupts
+};
+
+static int interrupts_open(struct inode *inode, struct file *filp)
+{
+        return seq_open(filp, &int_seq_ops);
+}
+
+static const struct file_operations proc_interrupts_operations = {
+        .open           = interrupts_open,
+        .read           = seq_read,
+        .llseek         = seq_lseek,
+        .release        = seq_release,
+};
+
+static int __init proc_interrupts_init(void)
+{
+        proc_create("interrupts", 0, NULL, &proc_interrupts_operations);
+        return 0;
+}
+module_init(proc_interrupts_init);
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index a87802fc9313..9e1d2684ce93 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -198,45 +198,6 @@ static const struct file_operations proc_vmalloc_operations = {
 };
 #endif
 
-/*
- * /proc/interrupts
- */
-static void *int_seq_start(struct seq_file *f, loff_t *pos)
-{
-        return (*pos <= nr_irqs) ? pos : NULL;
-}
-
-
-static void *int_seq_next(struct seq_file *f, void *v, loff_t *pos)
-{
-        (*pos)++;
-        return (*pos <= nr_irqs) ? pos : NULL;
-}
-
-static void int_seq_stop(struct seq_file *f, void *v)
-{
-        /* Nothing to do */
-}
-
-static const struct seq_operations int_seq_ops = {
-        .start = int_seq_start,
-        .next  = int_seq_next,
-        .stop  = int_seq_stop,
-        .show  = show_interrupts
-};
-
-static int interrupts_open(struct inode *inode, struct file *filp)
-{
-        return seq_open(filp, &int_seq_ops);
-}
-
-static const struct file_operations proc_interrupts_operations = {
-        .open           = interrupts_open,
-        .read           = seq_read,
-        .llseek         = seq_lseek,
-        .release        = seq_release,
-};
-
 #ifdef CONFIG_PROC_PAGE_MONITOR
 #define KPMSIZE sizeof(u64)
 #define KPMMASK (KPMSIZE - 1)
@@ -375,7 +336,6 @@ void __init proc_misc_init(void)
         proc_symlink("mounts", NULL, "self/mounts");
 
         /* And now for trickier ones */
-        proc_create("interrupts", 0, NULL, &proc_interrupts_operations);
 #ifdef CONFIG_SLABINFO
         proc_create("slabinfo",S_IWUSR|S_IRUGO,NULL,&proc_slabinfo_operations);
 #ifdef CONFIG_DEBUG_SLAB_LEAK