Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/devfs-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/devfs-2.6: (22 commits)
  [PATCH] devfs: Remove it from the feature_removal.txt file
  [PATCH] devfs: Last little devfs cleanups throughout the kernel tree.
  [PATCH] devfs: Rename TTY_DRIVER_NO_DEVFS to TTY_DRIVER_DYNAMIC_DEV
  [PATCH] devfs: Remove the tty_driver devfs_name field as it's no longer needed
  [PATCH] devfs: Remove the line_driver devfs_name field as it's no longer needed
  [PATCH] devfs: Remove the videodevice devfs_name field as it's no longer needed
  [PATCH] devfs: Remove the gendisk devfs_name field as it's no longer needed
  [PATCH] devfs: Remove the miscdevice devfs_name field as it's no longer needed
  [PATCH] devfs: Remove the devfs_fs_kernel.h file from the tree
  [PATCH] devfs: Remove devfs_remove() function from the kernel tree
  [PATCH] devfs: Remove devfs_mk_cdev() function from the kernel tree
  [PATCH] devfs: Remove devfs_mk_bdev() function from the kernel tree
  [PATCH] devfs: Remove devfs_mk_symlink() function from the kernel tree
  [PATCH] devfs: Remove devfs_mk_dir() function from the kernel tree
  [PATCH] devfs: Remove devfs_*_tape() functions from the kernel tree
  [PATCH] devfs: Remove devfs support from the sound subsystem
  [PATCH] devfs: Remove devfs support from the ide subsystem.
  [PATCH] devfs: Remove devfs support from the serial subsystem
  [PATCH] devfs: Remove devfs from the init code
  [PATCH] devfs: Remove devfs from the partition code
  ...

drivers/block/DAC960.c

@@ -2530,7 +2530,6 @@ static boolean DAC960_RegisterBlockDevice(DAC960_Controller_T *Controller)
 	blk_queue_max_sectors(RequestQueue, Controller->MaxBlocksPerCommand);
 	disk->queue = RequestQueue;
 	sprintf(disk->disk_name, "rd/c%dd%d", Controller->ControllerNumber, n);
-	sprintf(disk->devfs_name, "rd/host%d/target%d", Controller->ControllerNumber, n);
 	disk->major = MajorNumber;
 	disk->first_minor = n << DAC960_MaxPartitionsBits;
 	disk->fops = &DAC960_BlockDeviceOperations;

drivers/block/acsi.c

@@ -1732,13 +1732,10 @@ int acsi_init( void )
 		struct gendisk *disk = acsi_gendisk[i];
 		sprintf(disk->disk_name, "ad%c", 'a'+i);
 		aip = &acsi_info[NDevices];
-		sprintf(disk->devfs_name, "ad/target%d/lun%d", aip->target, aip->lun);
 		disk->major = ACSI_MAJOR;
 		disk->first_minor = i << 4;
-		if (acsi_info[i].type != HARDDISK) {
+		if (acsi_info[i].type != HARDDISK)
 			disk->minors = 1;
-			strcat(disk->devfs_name, "/disc");
-		}
 		disk->fops = &acsi_fops;
 		disk->private_data = &acsi_info[i];
 		set_capacity(disk, acsi_info[i].size);

drivers/block/acsi_slm.c

@@ -65,7 +65,6 @@ not be guaranteed. There are several ways to assure this:
 #include <linux/time.h>
 #include <linux/mm.h>
 #include <linux/slab.h>
-#include <linux/devfs_fs_kernel.h>
 #include <linux/smp_lock.h>
 
 #include <asm/pgtable.h>
@@ -1005,11 +1004,6 @@ int slm_init( void )
 	BufferP = SLMBuffer;
 	SLMState = IDLE;
 	
-	devfs_mk_dir("slm");
-	for (i = 0; i < MAX_SLM; i++) {
-		devfs_mk_cdev(MKDEV(ACSI_MAJOR, i),
-				S_IFCHR|S_IRUSR|S_IWUSR, "slm/%d", i);
-	}
 	return 0;
 }
 
@@ -1032,10 +1026,6 @@ int init_module(void)
 
 void cleanup_module(void)
 {
-	int i;
-	for (i = 0; i < MAX_SLM; i++)
-		devfs_remove("slm/%d", i);
-	devfs_remove("slm");
 	if (unregister_chrdev( ACSI_MAJOR, "slm" ) != 0)
 		printk( KERN_ERR "acsi_slm: cleanup_module failed\n");
 	atari_stram_free( SLMBuffer );

drivers/block/cciss.c

@@ -3248,7 +3248,6 @@ static int __devinit cciss_init_one(struct pci_dev *pdev,
 
 		q->queuedata = hba[i];
 		sprintf(disk->disk_name, "cciss/c%dd%d", i, j);
-		sprintf(disk->devfs_name, "cciss/host%d/target%d", i, j);
 		disk->major = hba[i]->major;
 		disk->first_minor = j << NWD_SHIFT;
 		disk->fops = &cciss_fops;

drivers/block/cpqarray.c

@@ -33,7 +33,6 @@
 #include <linux/blkpg.h>
 #include <linux/timer.h>
 #include <linux/proc_fs.h>
-#include <linux/devfs_fs_kernel.h>
 #include <linux/init.h>
 #include <linux/hdreg.h>
 #include <linux/spinlock.h>
@@ -348,7 +347,6 @@ static void __devexit cpqarray_remove_one(int i)
 	for(j = 0; j < NWD; j++) {
 		if (ida_gendisk[i][j]->flags & GENHD_FL_UP)
 			del_gendisk(ida_gendisk[i][j]);
-		devfs_remove("ida/c%dd%d",i,j);
 		put_disk(ida_gendisk[i][j]);
 	}
 	blk_cleanup_queue(hba[i]->queue);
@@ -1807,8 +1805,6 @@ static void getgeometry(int ctlr)
 
 				}
 
-				sprintf(disk->devfs_name, "ida/c%dd%d", ctlr, log_unit);
-
 				info_p->phys_drives =
 				    sense_config_buf->ctlr_phys_drv;
 				info_p->drv_assign_map
@@ -1844,7 +1840,6 @@ static void __exit cpqarray_exit(void)
 		}
 	}
 
-	devfs_remove("ida");
 	remove_proc_entry("cpqarray", proc_root_driver);
 }
 

drivers/block/floppy.c

@@ -177,7 +177,6 @@ static int print_unex = 1;
 #include <linux/ioport.h>
 #include <linux/interrupt.h>
 #include <linux/init.h>
-#include <linux/devfs_fs_kernel.h>
 #include <linux/platform_device.h>
 #include <linux/buffer_head.h>	/* for invalidate_buffers() */
 #include <linux/mutex.h>
@@ -224,7 +223,6 @@ 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 +3674,6 @@ static void __init config_types(void)
 				first = 0;
 			}
 			printk("%s fd%d is %s", prepend, drive, name);
-			register_devfs_entries(drive);
 		}
 		*UDP = *params;
 	}
@@ -3954,37 +3951,6 @@ static struct block_device_operations floppy_fops = {
 	.media_changed	= check_floppy_change,
 	.revalidate_disk = floppy_revalidate,
 };
-static char *table[] = {
-	"", "d360", "h1200", "u360", "u720", "h360", "h720",
-	"u1440", "u2880", "CompaQ", "h1440", "u1680", "h410",
-	"u820", "h1476", "u1722", "h420", "u830", "h1494", "u1743",
-	"h880", "u1040", "u1120", "h1600", "u1760", "u1920",
-	"u3200", "u3520", "u3840", "u1840", "u800", "u1600",
-	NULL
-};
-static int t360[] = { 1, 0 },
-	t1200[] = { 2, 5, 6, 10, 12, 14, 16, 18, 20, 23, 0 },
-	t3in[] = { 8, 9, 26, 27, 28, 7, 11, 15, 19, 24, 25, 29, 31, 3, 4, 13,
-			17, 21, 22, 30, 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
@@ -4261,11 +4227,9 @@ static int __init floppy_init(void)
 		motor_off_timer[dr].function = motor_off_callback;
 	}
 
-	devfs_mk_dir("floppy");
-
 	err = register_blkdev(FLOPPY_MAJOR, "fd");
 	if (err)
-		goto out_devfs_remove;
+		goto out_put_disk;
 
 	floppy_queue = blk_init_queue(do_fd_request, &floppy_lock);
 	if (!floppy_queue) {
@@ -4424,8 +4388,6 @@ out_unreg_region:
 	blk_cleanup_queue(floppy_queue);
 out_unreg_blkdev:
 	unregister_blkdev(FLOPPY_MAJOR, "fd");
-out_devfs_remove:
-	devfs_remove("floppy");
 out_put_disk:
 	while (dr--) {
 		del_timer(&motor_off_timer[dr]);
@@ -4586,19 +4548,6 @@ static void floppy_release_irq_and_dma(void)
 
 static char *floppy;
 
-static void unregister_devfs_entries(int drive)
-{
-	int i;
-
-	if (UDP->cmos < ARRAY_SIZE(default_drive_params)) {
-		i = 0;
-		do {
-			devfs_remove("floppy/%d%s", drive,
-				     table[table_sup[UDP->cmos][i]]);
-		} while (table_sup[UDP->cmos][i++]);
-	}
-}
-
 static void __init parse_floppy_cfg_string(char *cfg)
 {
 	char *ptr;
@@ -4635,13 +4584,11 @@ void cleanup_module(void)
 		if ((allowed_drive_mask & (1 << drive)) &&
 		    fdc_state[FDC(drive)].version != FDC_NONE) {
 			del_gendisk(disks[drive]);
-			unregister_devfs_entries(drive);
 			device_remove_file(&floppy_device[drive].dev, &dev_attr_cmos);
 			platform_device_unregister(&floppy_device[drive]);
 		}
 		put_disk(disks[drive]);
 	}
-	devfs_remove("floppy");
 
 	del_timer_sync(&fd_timeout);
 	del_timer_sync(&fd_timer);

drivers/block/loop.c

@@ -63,7 +63,6 @@
 #include <linux/blkdev.h>
 #include <linux/blkpg.h>
 #include <linux/init.h>
-#include <linux/devfs_fs_kernel.h>
 #include <linux/smp_lock.h>
 #include <linux/swap.h>
 #include <linux/slab.h>
@@ -1277,8 +1276,6 @@ static int __init loop_init(void)
 			goto out_mem3;
 	}
 
-	devfs_mk_dir("loop");
-
 	for (i = 0; i < max_loop; i++) {
 		struct loop_device *lo = &loop_dev[i];
 		struct gendisk *disk = disks[i];
@@ -1296,7 +1293,6 @@ static int __init loop_init(void)
 		disk->first_minor = i;
 		disk->fops = &lo_fops;
 		sprintf(disk->disk_name, "loop%d", i);
-		sprintf(disk->devfs_name, "loop/%d", i);
 		disk->private_data = lo;
 		disk->queue = lo->lo_queue;
 	}
@@ -1310,7 +1306,6 @@ static int __init loop_init(void)
 out_mem4:
 	while (i--)
 		blk_cleanup_queue(loop_dev[i].lo_queue);
-	devfs_remove("loop");
 	i = max_loop;
 out_mem3:
 	while (i--)
@@ -1333,7 +1328,6 @@ static void loop_exit(void)
 		blk_cleanup_queue(loop_dev[i].lo_queue);
 		put_disk(disks[i]);
 	}
-	devfs_remove("loop");
 	if (unregister_blkdev(LOOP_MAJOR, "loop"))
 		printk(KERN_WARNING "loop: cannot unregister blkdev\n");
 

drivers/block/nbd.c

@@ -29,8 +29,6 @@
 #include <linux/kernel.h>
 #include <net/sock.h>
 
-#include <linux/devfs_fs_kernel.h>
-
 #include <asm/uaccess.h>
 #include <asm/system.h>
 #include <asm/types.h>
@@ -642,7 +640,6 @@ static int __init nbd_init(void)
 	printk(KERN_INFO "nbd: registered device at major %d\n", NBD_MAJOR);
 	dprintk(DBG_INIT, "nbd: debugflags=0x%x\n", debugflags);
 
-	devfs_mk_dir("nbd");
 	for (i = 0; i < nbds_max; i++) {
 		struct gendisk *disk = nbd_dev[i].disk;
 		nbd_dev[i].file = NULL;
@@ -660,7 +657,6 @@ static int __init nbd_init(void)
 		disk->private_data = &nbd_dev[i];
 		disk->flags |= GENHD_FL_SUPPRESS_PARTITION_INFO;
 		sprintf(disk->disk_name, "nbd%d", i);
-		sprintf(disk->devfs_name, "nbd/%d", i);
 		set_capacity(disk, 0x7ffffc00ULL << 1); /* 2 TB */
 		add_disk(disk);
 	}
@@ -686,7 +682,6 @@ static void __exit nbd_cleanup(void)
 			put_disk(disk);
 		}
 	}
-	devfs_remove("nbd");
 	unregister_blkdev(NBD_MAJOR, "nbd");
 	printk(KERN_INFO "nbd: unregistered device at major %d\n", NBD_MAJOR);
 }

drivers/block/paride/pg.c

@@ -156,7 +156,6 @@ enum {D_PRT, D_PRO, D_UNI, D_MOD, D_SLV, D_DLY};
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/fs.h>
-#include <linux/devfs_fs_kernel.h>
 #include <linux/delay.h>
 #include <linux/slab.h>
 #include <linux/mtio.h>
@@ -674,25 +673,15 @@ static int __init pg_init(void)
 		err = PTR_ERR(pg_class);
 		goto out_chrdev;
 	}
-	devfs_mk_dir("pg");
 	for (unit = 0; unit < PG_UNITS; unit++) {
 		struct pg *dev = &devices[unit];
-		if (dev->present) {
+		if (dev->present)
 			class_device_create(pg_class, NULL, MKDEV(major, unit),
 					NULL, "pg%u", unit);
-			err = devfs_mk_cdev(MKDEV(major, unit),
-				      S_IFCHR | S_IRUSR | S_IWUSR, "pg/%u",
-				      unit);
-			if (err) 
-				goto out_class;
-		}
 	}
 	err = 0;
 	goto out;
 
-out_class:
-	class_device_destroy(pg_class, MKDEV(major, unit));
-	class_destroy(pg_class);
 out_chrdev:
 	unregister_chrdev(major, "pg");
 out:
@@ -705,13 +694,10 @@ static void __exit pg_exit(void)
 
 	for (unit = 0; unit < PG_UNITS; unit++) {
 		struct pg *dev = &devices[unit];
-		if (dev->present) {
+		if (dev->present)
 			class_device_destroy(pg_class, MKDEV(major, unit));
-			devfs_remove("pg/%u", unit);
-		}
 	}
 	class_destroy(pg_class);
-	devfs_remove("pg");
 	unregister_chrdev(major, name);
 
 	for (unit = 0; unit < PG_UNITS; unit++) {

drivers/block/paride/pt.c

@@ -141,7 +141,6 @@ static int (*drives[4])[6] = {&drive0, &drive1, &drive2, &drive3};
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/fs.h>
-#include <linux/devfs_fs_kernel.h>
 #include <linux/delay.h>
 #include <linux/slab.h>
 #include <linux/mtio.h>
@@ -971,32 +970,15 @@ static int __init pt_init(void)
 		goto out_chrdev;
 	}
 
-	devfs_mk_dir("pt");
 	for (unit = 0; unit < PT_UNITS; unit++)
 		if (pt[unit].present) {
 			class_device_create(pt_class, NULL, MKDEV(major, unit),
 					NULL, "pt%d", unit);
-			err = devfs_mk_cdev(MKDEV(major, unit),
-				      S_IFCHR | S_IRUSR | S_IWUSR,
-				      "pt/%d", unit);
-			if (err) {
-				class_device_destroy(pt_class, MKDEV(major, unit));
-				goto out_class;
-			}
 			class_device_create(pt_class, NULL, MKDEV(major, unit + 128),
 					NULL, "pt%dn", unit);
-			err = devfs_mk_cdev(MKDEV(major, unit + 128),
-				      S_IFCHR | S_IRUSR | S_IWUSR,
-				      "pt/%dn", unit);
-			if (err) {
-				class_device_destroy(pt_class, MKDEV(major, unit + 128));
-				goto out_class;
-			}
 		}
 	goto out;
 
-out_class:
-	class_destroy(pt_class);
 out_chrdev:
 	unregister_chrdev(major, "pt");
 out:
@@ -1009,12 +991,9 @@ static void __exit pt_exit(void)
 	for (unit = 0; unit < PT_UNITS; unit++)
 		if (pt[unit].present) {
 			class_device_destroy(pt_class, MKDEV(major, unit));
-			devfs_remove("pt/%d", unit);
 			class_device_destroy(pt_class, MKDEV(major, unit + 128));
-			devfs_remove("pt/%dn", unit);
 		}
 	class_destroy(pt_class);
-	devfs_remove("pt");
 	unregister_chrdev(major, name);
 	for (unit = 0; unit < PT_UNITS; unit++)
 		if (pt[unit].present)

drivers/block/pktcdvd.c

@@ -2612,7 +2612,6 @@ static struct file_operations pkt_ctl_fops = {
 static struct miscdevice pkt_misc = {
 	.minor 		= MISC_DYNAMIC_MINOR,
 	.name  		= "pktcdvd",
-	.devfs_name 	= "pktcdvd/control",
 	.fops  		= &pkt_ctl_fops
 };
 

drivers/block/ps2esdi.c

@@ -421,7 +421,6 @@ static int __init ps2esdi_geninit(void)
 		disk->major = PS2ESDI_MAJOR;
 		disk->first_minor = i<<6;
 		sprintf(disk->disk_name, "ed%c", 'a'+i);
-		sprintf(disk->devfs_name, "ed/target%d", i);
 		disk->fops = &ps2esdi_fops;
 		ps2esdi_gendisk[i] = disk;
 	}

drivers/block/rd.c

@@ -50,7 +50,6 @@
 #include <linux/module.h>
 #include <linux/moduleparam.h>
 #include <linux/init.h>
-#include <linux/devfs_fs_kernel.h>
 #include <linux/pagemap.h>
 #include <linux/blkdev.h>
 #include <linux/genhd.h>
@@ -412,7 +411,6 @@ static void __exit rd_cleanup(void)
 		put_disk(rd_disks[i]);
 		blk_cleanup_queue(rd_queue[i]);
 	}
-	devfs_remove("rd");
 	unregister_blkdev(RAMDISK_MAJOR, "ramdisk");
 }
 
@@ -442,8 +440,6 @@ static int __init rd_init(void)
 		goto out;
 	}
 
-	devfs_mk_dir("rd");
-
 	for (i = 0; i < CONFIG_BLK_DEV_RAM_COUNT; i++) {
 		struct gendisk *disk = rd_disks[i];
 
@@ -461,7 +457,6 @@ static int __init rd_init(void)
 		disk->queue = rd_queue[i];
 		disk->flags |= GENHD_FL_SUPPRESS_PARTITION_INFO;
 		sprintf(disk->disk_name, "ram%d", i);
-		sprintf(disk->devfs_name, "rd/%d", i);
 		set_capacity(disk, rd_size * 2);
 		add_disk(rd_disks[i]);
 	}

drivers/block/swim3.c

@@ -25,7 +25,6 @@
 #include <linux/fd.h>
 #include <linux/ioctl.h>
 #include <linux/blkdev.h>
-#include <linux/devfs_fs_kernel.h>
 #include <linux/interrupt.h>
 #include <linux/module.h>
 #include <linux/spinlock.h>
@@ -1019,8 +1018,6 @@ int swim3_init(void)
 	int err = -ENOMEM;
 	int i;
 
-	devfs_mk_dir("floppy");
-
 	swim = find_devices("floppy");
 	while (swim && (floppy_count < MAX_FLOPPIES))
 	{
@@ -1064,7 +1061,6 @@ int swim3_init(void)
 		disk->queue = swim3_queue;
 		disk->flags |= GENHD_FL_REMOVABLE;
 		sprintf(disk->disk_name, "fd%d", i);
-		sprintf(disk->devfs_name, "floppy/%d", i);
 		set_capacity(disk, 2880);
 		add_disk(disk);
 	}

drivers/block/sx8.c

@@ -18,7 +18,6 @@
 #include <linux/spinlock.h>
 #include <linux/blkdev.h>
 #include <linux/sched.h>
-#include <linux/devfs_fs_kernel.h>
 #include <linux/interrupt.h>
 #include <linux/compiler.h>
 #include <linux/workqueue.h>
@@ -1510,7 +1509,6 @@ static int carm_init_disks(struct carm_host *host)
 		port->disk = disk;
 		sprintf(disk->disk_name, DRV_NAME "/%u",
 			(unsigned int) (host->id * CARM_MAX_PORTS) + i);
-		sprintf(disk->devfs_name, DRV_NAME "/%u_%u", host->id, i);
 		disk->major = host->major;
 		disk->first_minor = i * CARM_MINORS_PER_MAJOR;
 		disk->fops = &carm_bd_ops;
@@ -1672,8 +1670,6 @@ static int carm_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
 	if (host->flags & FL_DYN_MAJOR)
 		host->major = rc;
 
-	devfs_mk_dir(DRV_NAME);
-
 	rc = carm_init_disks(host);
 	if (rc)
 		goto err_out_blkdev_disks;
@@ -1739,7 +1735,6 @@ static void carm_remove_one (struct pci_dev *pdev)
 
 	free_irq(pdev->irq, host);
 	carm_free_disks(host);
-	devfs_remove(DRV_NAME);
 	unregister_blkdev(host->major, host->name);
 	if (host->major == 160)
 		clear_bit(0, &carm_major_alloc);

drivers/block/ub.c

@@ -24,12 +24,10 @@
 #include <linux/usb.h>
 #include <linux/usb_usual.h>
 #include <linux/blkdev.h>
-#include <linux/devfs_fs_kernel.h>
 #include <linux/timer.h>
 #include <scsi/scsi.h>
 
 #define DRV_NAME "ub"
-#define DEVFS_NAME DRV_NAME
 
 #define UB_MAJOR 180
 
@@ -2291,7 +2289,6 @@ static int ub_probe_lun(struct ub_dev *sc, int lnum)
 		goto err_diskalloc;
 
 	sprintf(disk->disk_name, DRV_NAME "%c", lun->id + 'a');
-	sprintf(disk->devfs_name, DEVFS_NAME "/%c", lun->id + 'a');
 	disk->major = UB_MAJOR;
 	disk->first_minor = lun->id * UB_PARTS_PER_LUN;
 	disk->fops = &ub_bd_fops;
@@ -2445,7 +2442,6 @@ static int __init ub_init(void)
 
 	if ((rc = register_blkdev(UB_MAJOR, DRV_NAME)) != 0)
 		goto err_regblkdev;
-	devfs_mk_dir(DEVFS_NAME);
 
 	if ((rc = usb_register(&ub_driver)) != 0)
 		goto err_register;
@@ -2454,7 +2450,6 @@ static int __init ub_init(void)
 	return 0;
 
 err_register:
-	devfs_remove(DEVFS_NAME);
 	unregister_blkdev(UB_MAJOR, DRV_NAME);
 err_regblkdev:
 	return rc;
@@ -2464,7 +2459,6 @@ static void __exit ub_exit(void)
 {
 	usb_deregister(&ub_driver);
 
-	devfs_remove(DEVFS_NAME);
 	unregister_blkdev(UB_MAJOR, DRV_NAME);
 	usb_usual_clear_present(USB_US_TYPE_UB);
 }

drivers/block/umem.c

@@ -1192,7 +1192,6 @@ static int __init mm_init(void)
 	for (i = 0; i < num_cards; i++) {
 		struct gendisk *disk = mm_gendisk[i];
 		sprintf(disk->disk_name, "umem%c", 'a'+i);
-		sprintf(disk->devfs_name, "umem/card%d", i);
 		spin_lock_init(&cards[i].lock);
 		disk->major = major_nr;
 		disk->first_minor  = i << MM_SHIFT;

drivers/block/viodasd.c

@@ -59,7 +59,6 @@ MODULE_LICENSE("GPL");
  * numbers 0-255 we get a maximum of 32 disks.
  */
 #define VIOD_GENHD_NAME		"iseries/vd"
-#define VIOD_GENHD_DEVFS_NAME	"iseries/disc"
 
 #define VIOD_VERS		"1.64"
 
@@ -523,8 +522,6 @@ retry:
 	else
 		snprintf(g->disk_name, sizeof(g->disk_name),
 				VIOD_GENHD_NAME "%c", 'a' + (dev_no % 26));
-	snprintf(g->devfs_name, sizeof(g->devfs_name),
-			"%s%d", VIOD_GENHD_DEVFS_NAME, dev_no);
 	g->fops = &viodasd_fops;
 	g->queue = q;
 	g->private_data = d;

drivers/block/xd.c

@@ -215,7 +215,6 @@ static int __init xd_init(void)
 		disk->major = XT_DISK_MAJOR;
 		disk->first_minor = i<<6;
 		sprintf(disk->disk_name, "xd%c", i+'a');
-		sprintf(disk->devfs_name, "xd/target%d", i);
 		disk->fops = &xd_fops;
 		disk->private_data = p;
 		disk->queue = xd_queue;

drivers/block/z2ram.c

@@ -354,7 +354,6 @@ z2_init(void)
     z2ram_gendisk->first_minor = 0;
     z2ram_gendisk->fops = &z2_fops;
     sprintf(z2ram_gendisk->disk_name, "z2ram");
-    strcpy(z2ram_gendisk->devfs_name, z2ram_gendisk->disk_name);
 
     z2ram_gendisk->queue = z2_queue;
     add_disk(z2ram_gendisk);