[PATCH] devfs: Remove devfs_mk_bdev() function from the kernel tree

Removes the devfs_mk_bdev() function and all callers of it.
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/block/floppy.c

@@ -224,7 +224,6 @@ static struct completion device_release;
 static unsigned short virtual_dma_port = 0x3f0;
 irqreturn_t floppy_interrupt(int irq, void *dev_id, struct pt_regs *regs);
 static int set_dor(int fdc, char mask, char data);
-static void register_devfs_entries(int drive) __init;
 
 #define K_64	0x10000		/* 64KB */
 
@@ -3676,7 +3675,6 @@ static void __init config_types(void)
 				first = 0;
 			}
 			printk("%s fd%d is %s", prepend, drive, name);
-			register_devfs_entries(drive);
 		}
 		*UDP = *params;
 	}
@@ -3969,23 +3967,6 @@ static int t360[] = { 1, 0 },
 static int *table_sup[] =
     { NULL, t360, t1200, t3in + 5 + 8, t3in + 5, t3in, t3in };
 
-static void __init register_devfs_entries(int drive)
-{
-	int base_minor = (drive < 4) ? drive : (124 + drive);
-
-	if (UDP->cmos < ARRAY_SIZE(default_drive_params)) {
-		int i = 0;
-		do {
-			int minor = base_minor + (table_sup[UDP->cmos][i] << 2);
-
-			devfs_mk_bdev(MKDEV(FLOPPY_MAJOR, minor),
-				      S_IFBLK | S_IRUSR | S_IWUSR | S_IRGRP |
-				      S_IWGRP, "floppy/%d%s", drive,
-				      table[table_sup[UDP->cmos][i]]);
-		} while (table_sup[UDP->cmos][i++]);
-	}
-}
-
 /*
  * Floppy Driver initialization
  * =============================

drivers/md/dm-ioctl.c

@@ -173,16 +173,6 @@ static void free_cell(struct hash_cell *hc)
 /*
  * devfs stuff.
  */
-static int register_with_devfs(struct hash_cell *hc)
-{
-	struct gendisk *disk = dm_disk(hc->md);
-
-	devfs_mk_bdev(MKDEV(disk->major, disk->first_minor),
-		      S_IFBLK | S_IRUSR | S_IWUSR | S_IRGRP,
-		      DM_DIR "/%s", hc->name);
-	return 0;
-}
-
 static int unregister_with_devfs(struct hash_cell *hc)
 {
 	devfs_remove(DM_DIR"/%s", hc->name);
@@ -225,7 +215,6 @@ static int dm_hash_insert(const char *name, const char *uuid, struct mapped_devi
 		}
 		list_add(&cell->uuid_list, _uuid_buckets + hash_str(uuid));
 	}
-	register_with_devfs(cell);
 	dm_get(md);
 	dm_set_mdptr(md, cell);
 	up_write(&_hash_lock);
@@ -348,9 +337,6 @@ static int dm_hash_rename(const char *old, const char *new)
 	hc->name = new_name;
 	list_add(&hc->name_list, _name_buckets + hash_str(new_name));
 
-	/* rename the device node in devfs */
-	register_with_devfs(hc);
-
 	/*
 	 * Wake up any dm event waiters.
 	 */

drivers/md/md.c

@@ -5538,8 +5538,6 @@ static void md_geninit(void)
 
 static int __init md_init(void)
 {
-	int minor;
-
 	printk(KERN_INFO "md: md driver %d.%d.%d MAX_MD_DEVS=%d,"
 			" MD_SB_DISKS=%d\n",
 			MD_MAJOR_VERSION, MD_MINOR_VERSION,
@@ -5558,17 +5556,6 @@ static int __init md_init(void)
 	blk_register_region(MKDEV(mdp_major, 0), MAX_MD_DEVS<<MdpMinorShift, THIS_MODULE,
 			    md_probe, NULL, NULL);
 
-	for (minor=0; minor < MAX_MD_DEVS; ++minor)
-		devfs_mk_bdev(MKDEV(MAJOR_NR, minor),
-				S_IFBLK|S_IRUSR|S_IWUSR,
-				"md/%d", minor);
-
-	for (minor=0; minor < MAX_MD_DEVS; ++minor)
-		devfs_mk_bdev(MKDEV(mdp_major, minor<<MdpMinorShift),
-			      S_IFBLK|S_IRUSR|S_IWUSR,
-			      "md/mdp%d", minor);
-
-
 	register_reboot_notifier(&md_notifier);
 	raid_table_header = register_sysctl_table(raid_root_table, 1);
 

fs/partitions/check.c

@@ -342,10 +342,6 @@ void add_partition(struct gendisk *disk, int part, sector_t start, sector_t len)
 	p->nr_sects = len;
 	p->partno = part;
 
-	devfs_mk_bdev(MKDEV(disk->major, disk->first_minor + part),
-			S_IFBLK|S_IRUSR|S_IWUSR,
-			"%s/part%d", disk->devfs_name, part);
-
 	if (isdigit(disk->kobj.name[strlen(disk->kobj.name)-1]))
 		snprintf(p->kobj.name,KOBJ_NAME_LEN,"%sp%d",disk->kobj.name,part);
 	else

include/linux/devfs_fs_kernel.h

@@ -6,10 +6,6 @@
 #include <linux/types.h>
 #include <asm/semaphore.h>
 
-static inline int devfs_mk_bdev(dev_t dev, umode_t mode, const char *fmt, ...)
-{
-	return 0;
-}
 static inline int devfs_mk_cdev(dev_t dev, umode_t mode, const char *fmt, ...)
 {
 	return 0;