[PATCH v4 19/22] sg: move procfs objects to avoid forward decls

[Douglas Gilbert <dgilbert@interlog.com>]

Move the procfs related file_operations and seq_operations
definitions toward the end of the source file to minimize the
need for foward declarations of the functions they name.

Signed-off-by: Douglas Gilbert <dgilbert@interlog.com>
---
 drivers/scsi/sg.c | 133 +++++++++++++++++++++-------------------------
 1 file changed, 60 insertions(+), 73 deletions(-)

diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 187e85b215d5..23f3c1c63f14 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -3617,79 +3617,6 @@ sg_rq_st_str(enum sg_rq_state rq_st, bool long_str)
 #endif
 
 #if IS_ENABLED(CONFIG_SCSI_PROC_FS)     /* long, almost to end of file */
-static int sg_proc_seq_show_int(struct seq_file *s, void *v);
-
-static int sg_proc_single_open_adio(struct inode *inode, struct file *filp);
-static ssize_t sg_proc_write_adio(struct file *filp, const char __user *buffer,
-			          size_t count, loff_t *off);
-static const struct file_operations adio_fops = {
-	.owner = THIS_MODULE,
-	.open = sg_proc_single_open_adio,
-	.read = seq_read,
-	.llseek = seq_lseek,
-	.write = sg_proc_write_adio,
-	.release = single_release,
-};
-
-static int sg_proc_single_open_dressz(struct inode *inode, struct file *filp);
-static ssize_t sg_proc_write_dressz(struct file *filp, 
-		const char __user *buffer, size_t count, loff_t *off);
-static const struct file_operations dressz_fops = {
-	.owner = THIS_MODULE,
-	.open = sg_proc_single_open_dressz,
-	.read = seq_read,
-	.llseek = seq_lseek,
-	.write = sg_proc_write_dressz,
-	.release = single_release,
-};
-
-static int sg_proc_seq_show_version(struct seq_file *s, void *v);
-static int sg_proc_seq_show_devhdr(struct seq_file *s, void *v);
-static int sg_proc_seq_show_dev(struct seq_file *s, void *v);
-static void * dev_seq_start(struct seq_file *s, loff_t *pos);
-static void * dev_seq_next(struct seq_file *s, void *v, loff_t *pos);
-static void dev_seq_stop(struct seq_file *s, void *v);
-static const struct seq_operations dev_seq_ops = {
-	.start = dev_seq_start,
-	.next  = dev_seq_next,
-	.stop  = dev_seq_stop,
-	.show  = sg_proc_seq_show_dev,
-};
-
-static int sg_proc_seq_show_devstrs(struct seq_file *s, void *v);
-static const struct seq_operations devstrs_seq_ops = {
-	.start = dev_seq_start,
-	.next  = dev_seq_next,
-	.stop  = dev_seq_stop,
-	.show  = sg_proc_seq_show_devstrs,
-};
-
-static int sg_proc_seq_show_debug(struct seq_file *s, void *v);
-static const struct seq_operations debug_seq_ops = {
-	.start = dev_seq_start,
-	.next  = dev_seq_next,
-	.stop  = dev_seq_stop,
-	.show  = sg_proc_seq_show_debug,
-};
-
-static int
-sg_proc_init(void)
-{
-	struct proc_dir_entry *p;
-
-	p = proc_mkdir("scsi/sg", NULL);
-	if (!p)
-		return 1;
-
-	proc_create("allow_dio", 0644, p, &adio_fops);
-	proc_create_seq("debug", 0444, p, &debug_seq_ops);
-	proc_create("def_reserved_size", 0644, p, &dressz_fops);
-	proc_create_single("device_hdr", 0444, p, sg_proc_seq_show_devhdr);
-	proc_create_seq("devices", 0444, p, &dev_seq_ops);
-	proc_create_seq("device_strs", 0444, p, &devstrs_seq_ops);
-	proc_create_single("version", 0444, p, sg_proc_seq_show_version);
-	return 0;
-}
 
 static int
 sg_last_dev(void)
@@ -4046,6 +3973,66 @@ sg_proc_seq_show_debug(struct seq_file *s, void *v)
 	return 0;
 }
 
+static const struct file_operations adio_fops = {
+	.owner = THIS_MODULE,
+	.open = sg_proc_single_open_adio,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.write = sg_proc_write_adio,
+	.release = single_release,
+};
+
+static const struct file_operations dressz_fops = {
+	.owner = THIS_MODULE,
+	.open = sg_proc_single_open_dressz,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.write = sg_proc_write_dressz,
+	.release = single_release,
+};
+
+static const struct seq_operations dev_seq_ops = {
+	.start = dev_seq_start,
+	.next  = dev_seq_next,
+	.stop  = dev_seq_stop,
+	.show  = sg_proc_seq_show_dev,
+};
+
+static const struct seq_operations devstrs_seq_ops = {
+	.start = dev_seq_start,
+	.next  = dev_seq_next,
+	.stop  = dev_seq_stop,
+	.show  = sg_proc_seq_show_devstrs,
+};
+
+static const struct seq_operations debug_seq_ops = {
+	.start = dev_seq_start,
+	.next  = dev_seq_next,
+	.stop  = dev_seq_stop,
+	.show  = sg_proc_seq_show_debug,
+};
+
+static int
+sg_proc_init(void)
+{
+	struct proc_dir_entry *p;
+
+	p = proc_mkdir("scsi/sg", NULL);
+	if (!p)
+		return 1;
+
+	proc_create("allow_dio", 0644, p, &adio_fops);
+	proc_create_seq("debug", 0444, p, &debug_seq_ops);
+	proc_create("def_reserved_size", 0644, p, &dressz_fops);
+	proc_create_single("device_hdr", 0444, p, sg_proc_seq_show_devhdr);
+	proc_create_seq("devices", 0444, p, &dev_seq_ops);
+	proc_create_seq("device_strs", 0444, p, &devstrs_seq_ops);
+	proc_create_single("version", 0444, p, sg_proc_seq_show_version);
+	return 0;
+}
+
+/* remove_proc_subtree("scsi/sg", NULL) in exit_sg() does cleanup */
+
 #endif				/* CONFIG_SCSI_PROC_FS (~400 lines back) */
 
 module_init(init_sg);
-- 
2.23.0