diff options
Diffstat (limited to 'target/linux/generic-2.6/patches/000-reenable_devfs.patch')
| -rw-r--r-- | target/linux/generic-2.6/patches/000-reenable_devfs.patch | 718 |
1 files changed, 718 insertions, 0 deletions
diff --git a/target/linux/generic-2.6/patches/000-reenable_devfs.patch b/target/linux/generic-2.6/patches/000-reenable_devfs.patch new file mode 100644 index 0000000000..7871c4c378 --- /dev/null +++ b/target/linux/generic-2.6/patches/000-reenable_devfs.patch @@ -0,0 +1,718 @@ +diff -ur linux-2.6.15-rc5/drivers/mtd/mtd_blkdevs.c linux-2.6.15-rc5-openwrt/drivers/mtd/mtd_blkdevs.c +--- linux-2.6.15-rc5/drivers/mtd/mtd_blkdevs.c 2005-12-04 06:10:42.000000000 +0100 ++++ linux-2.6.15-rc5-openwrt/drivers/mtd/mtd_blkdevs.c 2005-12-15 07:53:20.000000000 +0100 +@@ -21,6 +21,9 @@ + #include <linux/init.h> + #include <asm/semaphore.h> + #include <asm/uaccess.h> ++#ifdef CONFIG_DEVFS_FS ++#include <linux/devfs_fs_kernel.h> ++#endif + + static LIST_HEAD(blktrans_majors); + +@@ -302,6 +305,11 @@ + snprintf(gd->disk_name, sizeof(gd->disk_name), + "%s%d", tr->name, new->devnum); + ++#ifdef CONFIG_DEVFS_FS ++ snprintf(gd->devfs_name, sizeof(gd->devfs_name), ++ "%s/%c", tr->name, (tr->part_bits?'a':'0') + new->devnum); ++#endif ++ + /* 2.5 has capacity in units of 512 bytes while still + having BLOCK_SIZE_BITS set to 10. Just to keep us amused. */ + set_capacity(gd, (new->size * new->blksize) >> 9); +@@ -418,6 +426,10 @@ + return ret; + } + ++#ifdef CONFIG_DEVFS_FS ++ devfs_mk_dir(tr->name); ++#endif ++ + INIT_LIST_HEAD(&tr->devs); + list_add(&tr->list, &blktrans_majors); + +@@ -450,6 +462,10 @@ + tr->remove_dev(dev); + } + ++#ifdef CONFIG_DEVFS_FS ++ devfs_remove(tr->name); ++#endif ++ + blk_cleanup_queue(tr->blkcore_priv->rq); + unregister_blkdev(tr->major, tr->name); + +diff -ur linux-2.6.15-rc5/drivers/mtd/mtdchar.c linux-2.6.15-rc5-openwrt/drivers/mtd/mtdchar.c +--- linux-2.6.15-rc5/drivers/mtd/mtdchar.c 2005-12-04 06:10:42.000000000 +0100 ++++ linux-2.6.15-rc5-openwrt/drivers/mtd/mtdchar.c 2005-12-15 07:49:15.000000000 +0100 +@@ -19,19 +18,33 @@ + + #include <asm/uaccess.h> + ++#ifdef CONFIG_DEVFS_FS ++#include <linux/devfs_fs_kernel.h> ++#else ++#include <linux/device.h> ++ + static struct class *mtd_class; ++#endif + + static void mtd_notify_add(struct mtd_info* mtd) + { + if (!mtd) + return; + ++#ifdef CONFIG_DEVFS_FS ++ devfs_mk_cdev(MKDEV(MTD_CHAR_MAJOR, mtd->index*2), ++ S_IFCHR | S_IRUGO | S_IWUGO, "mtd/%d", mtd->index); ++ ++ devfs_mk_cdev(MKDEV(MTD_CHAR_MAJOR, mtd->index*2+1), ++ S_IFCHR | S_IRUGO, "mtd/%dro", mtd->index); ++#else + class_device_create(mtd_class, NULL, MKDEV(MTD_CHAR_MAJOR, mtd->index*2), + NULL, "mtd%d", mtd->index); + + class_device_create(mtd_class, NULL, + MKDEV(MTD_CHAR_MAJOR, mtd->index*2+1), + NULL, "mtd%dro", mtd->index); ++#endif + } + + static void mtd_notify_remove(struct mtd_info* mtd) +@@ -39,8 +52,13 @@ + if (!mtd) + return; + ++#ifdef CONFIG_DEVFS_FS ++ devfs_remove("mtd/%d", mtd->index); ++ devfs_remove("mtd/%dro", mtd->index); ++#else + class_device_destroy(mtd_class, MKDEV(MTD_CHAR_MAJOR, mtd->index*2)); + class_device_destroy(mtd_class, MKDEV(MTD_CHAR_MAJOR, mtd->index*2+1)); ++#endif + } + + static struct mtd_notifier notifier = { +@@ -48,6 +66,22 @@ + .remove = mtd_notify_remove, + }; + ++#ifdef CONFIG_DEVFS_FS ++ static inline void mtdchar_devfs_init(void) ++ { ++ devfs_mk_dir("mtd"); ++ register_mtd_user(¬ifier); ++ } ++ static inline void mtdchar_devfs_exit(void) ++ { ++ unregister_mtd_user(¬ifier); ++ devfs_remove("mtd"); ++ } ++ #else /* !DEVFS */ ++ #define mtdchar_devfs_init() do { } while(0) ++ #define mtdchar_devfs_exit() do { } while(0) ++#endif ++ + /* + * We use file->private_data to store a pointer to the MTDdevice. + * Since alighment is at least 32 bits, we have 2 bits free for OTP +@@ -643,6 +677,9 @@ + return -EAGAIN; + } + ++#ifdef CONFIG_DEVFS_FS ++ mtdchar_devfs_init(); ++#else + mtd_class = class_create(THIS_MODULE, "mtd"); + + if (IS_ERR(mtd_class)) { +@@ -652,13 +689,19 @@ + } + + register_mtd_user(¬ifier); ++#endif + return 0; + } + + static void __exit cleanup_mtdchar(void) + { ++ ++#ifdef CONFIG_DEVFS_FS ++ mtdchar_devfs_exit(); ++#else + unregister_mtd_user(¬ifier); + class_destroy(mtd_class); ++#endif + unregister_chrdev(MTD_CHAR_MAJOR, "mtd"); + } + +diff -ur linux-2.6.15-rc5/fs/Kconfig linux-2.6.15-rc5-openwrt/fs/Kconfig +--- linux-2.6.15-rc5/fs/Kconfig 2005-12-04 06:10:42.000000000 +0100 ++++ linux-2.6.15-rc5-openwrt/fs/Kconfig 2005-12-15 07:44:01.000000000 +0100 +@@ -772,6 +772,56 @@ + help + Exports the dump image of crashed kernel in ELF format. + ++config DEVFS_FS ++ bool "/dev file system support (OBSOLETE)" ++ depends on EXPERIMENTAL ++ help ++ This is support for devfs, a virtual file system (like /proc) which ++ provides the file system interface to device drivers, normally found ++ in /dev. Devfs does not depend on major and minor number ++ allocations. Device drivers register entries in /dev which then ++ appear automatically, which means that the system administrator does ++ not have to create character and block special device files in the ++ /dev directory using the mknod command (or MAKEDEV script) anymore. ++ ++ This is work in progress. If you want to use this, you *must* read ++ the material in <file:Documentation/filesystems/devfs/>, especially ++ the file README there. ++ ++ Note that devfs no longer manages /dev/pts! If you are using UNIX98 ++ ptys, you will also need to mount the /dev/pts filesystem (devpts). ++ ++ Note that devfs has been obsoleted by udev, ++ <http://www.kernel.org/pub/linux/utils/kernel/hotplug/>. ++ It has been stripped down to a bare minimum and is only provided for ++ legacy installations that use its naming scheme which is ++ unfortunately different from the names normal Linux installations ++ use. ++ ++ If unsure, say N. ++ ++config DEVFS_MOUNT ++ bool "Automatically mount at boot" ++ depends on DEVFS_FS ++ help ++ This option appears if you have CONFIG_DEVFS_FS enabled. Setting ++ this to 'Y' will make the kernel automatically mount devfs onto /dev ++ when the system is booted, before the init thread is started. ++ You can override this with the "devfs=nomount" boot option. ++ ++ If unsure, say N. ++ ++config DEVFS_DEBUG ++ bool "Debug devfs" ++ depends on DEVFS_FS ++ help ++ If you say Y here, then the /dev file system code will generate ++ debugging messages. See the file ++ <file:Documentation/filesystems/devfs/boot-options> for more ++ details. ++ ++ If unsure, say N. ++ + config SYSFS + bool "sysfs file system support" if EMBEDDED + default y +diff -ur linux-2.6.17/drivers/ieee1394/dv1394.c linux-2.6.17-devfs/drivers/ieee1394/dv1394.c +--- linux-2.6.17/drivers/ieee1394/dv1394.c 2006-06-17 18:49:35.000000000 -0700 ++++ linux-2.6.17-devfs/drivers/ieee1394/dv1394.c 2006-08-25 11:06:18.000000000 -0700 +@@ -73,7 +73,7 @@ + - fix all XXX showstoppers + - disable IR/IT DMA interrupts on shutdown + - flush pci writes to the card by issuing a read +- - character device dispatching ++ - devfs and character device dispatching (* needs testing with Linux 2.2.x) + - switch over to the new kernel DMA API (pci_map_*()) (* needs testing on platforms with IOMMU!) + - keep all video_cards in a list (for open() via chardev), set file->private_data = video + - dv1394_poll should indicate POLLIN when receiving buffers are available +@@ -1096,6 +1096,7 @@ + + init.api_version = DV1394_API_VERSION; + init.n_frames = DV1394_MAX_FRAMES / 4; ++ /* the following are now set via devfs */ + init.channel = video->channel; + init.format = video->pal_or_ntsc; + init.cip_n = video->cip_n; +@@ -1790,6 +1791,8 @@ + { + struct video_card *video = NULL; + ++ /* if the device was opened through devfs, then file->private_data ++ has already been set to video by devfs */ + if (file->private_data) { + video = (struct video_card*) file->private_data; + +@@ -2208,7 +2211,7 @@ + video = kzalloc(sizeof(*video), GFP_KERNEL); + if (!video) { + printk(KERN_ERR "dv1394: cannot allocate video_card\n"); +- return -1; ++ goto err; + } + + video->ohci = ohci; +@@ -2263,14 +2266,37 @@ + list_add_tail(&video->list, &dv1394_cards); + spin_unlock_irqrestore(&dv1394_cards_lock, flags); + ++ if (devfs_mk_cdev(MKDEV(IEEE1394_MAJOR, ++ IEEE1394_MINOR_BLOCK_DV1394*16 + video->id), ++ S_IFCHR|S_IRUGO|S_IWUGO, ++ "ieee1394/dv/host%d/%s/%s", ++ (video->id>>2), ++ (video->pal_or_ntsc == DV1394_NTSC ? "NTSC" : "PAL"), ++ (video->mode == MODE_RECEIVE ? "in" : "out")) < 0) ++ goto err_free; ++ + debug_printk("dv1394: dv1394_init() OK on ID %d\n", video->id); ++ + return 0; ++ ++ err_free: ++ kfree(video); ++ err: ++ return -1; + } + + static void dv1394_un_init(struct video_card *video) + { ++ char buf[32]; ++ + /* obviously nobody has the driver open at this point */ + do_dv1394_shutdown(video, 1); ++ snprintf(buf, sizeof(buf), "dv/host%d/%s/%s", (video->id >> 2), ++ (video->pal_or_ntsc == DV1394_NTSC ? "NTSC" : "PAL"), ++ (video->mode == MODE_RECEIVE ? "in" : "out") ++ ); ++ ++ devfs_remove("ieee1394/%s", buf); + kfree(video); + } + +@@ -2307,6 +2333,9 @@ + + class_device_destroy(hpsb_protocol_class, + MKDEV(IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_DV1394 * 16 + (id<<2))); ++ devfs_remove("ieee1394/dv/host%d/NTSC", id); ++ devfs_remove("ieee1394/dv/host%d/PAL", id); ++ devfs_remove("ieee1394/dv/host%d", id); + } + + static void dv1394_add_host (struct hpsb_host *host) +@@ -2323,6 +2352,9 @@ + class_device_create(hpsb_protocol_class, NULL, MKDEV( + IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_DV1394 * 16 + (id<<2)), + NULL, "dv1394-%d", id); ++ devfs_mk_dir("ieee1394/dv/host%d", id); ++ devfs_mk_dir("ieee1394/dv/host%d/NTSC", id); ++ devfs_mk_dir("ieee1394/dv/host%d/PAL", id); + + dv1394_init(ohci, DV1394_NTSC, MODE_RECEIVE); + dv1394_init(ohci, DV1394_NTSC, MODE_TRANSMIT); +@@ -2579,8 +2611,10 @@ + static void __exit dv1394_exit_module(void) + { + hpsb_unregister_protocol(&dv1394_driver); ++ + hpsb_unregister_highlevel(&dv1394_highlevel); + cdev_del(&dv1394_cdev); ++ devfs_remove("ieee1394/dv"); + } + + static int __init dv1394_init_module(void) +@@ -2596,12 +2630,15 @@ + return ret; + } + ++ devfs_mk_dir("ieee1394/dv"); ++ + hpsb_register_highlevel(&dv1394_highlevel); + + ret = hpsb_register_protocol(&dv1394_driver); + if (ret) { + printk(KERN_ERR "dv1394: failed to register protocol\n"); + hpsb_unregister_highlevel(&dv1394_highlevel); ++ devfs_remove("ieee1394/dv"); + cdev_del(&dv1394_cdev); + return ret; + } +diff -ur linux-2.6.17/drivers/ieee1394/ieee1394_core.c linux-2.6.17-devfs/drivers/ieee1394/ieee1394_core.c +--- linux-2.6.17/drivers/ieee1394/ieee1394_core.c 2006-06-17 18:49:35.000000000 -0700 ++++ linux-2.6.17-devfs/drivers/ieee1394/ieee1394_core.c 2006-08-25 11:06:18.000000000 -0700 +@@ -1078,10 +1078,17 @@ + goto exit_release_kernel_thread; + } + ++ /* actually this is a non-fatal error */ ++ ret = devfs_mk_dir("ieee1394"); ++ if (ret < 0) { ++ HPSB_ERR("unable to make devfs dir for device major %d!\n", IEEE1394_MAJOR); ++ goto release_chrdev; ++ } ++ + ret = bus_register(&ieee1394_bus_type); + if (ret < 0) { + HPSB_INFO("bus register failed"); +- goto release_chrdev; ++ goto release_devfs; + } + + for (i = 0; fw_bus_attrs[i]; i++) { +@@ -1092,7 +1099,7 @@ + fw_bus_attrs[i--]); + } + bus_unregister(&ieee1394_bus_type); +- goto release_chrdev; ++ goto release_devfs; + } + } + +@@ -1145,6 +1152,8 @@ + for (i = 0; fw_bus_attrs[i]; i++) + bus_remove_file(&ieee1394_bus_type, fw_bus_attrs[i]); + bus_unregister(&ieee1394_bus_type); ++release_devfs: ++ devfs_remove("ieee1394"); + release_chrdev: + unregister_chrdev_region(IEEE1394_CORE_DEV, 256); + exit_release_kernel_thread: +@@ -1182,6 +1191,7 @@ + hpsb_cleanup_config_roms(); + + unregister_chrdev_region(IEEE1394_CORE_DEV, 256); ++ devfs_remove("ieee1394"); + } + + module_init(ieee1394_init); +diff -ur linux-2.6.17/drivers/ieee1394/ieee1394_core.h linux-2.6.17-devfs/drivers/ieee1394/ieee1394_core.h +--- linux-2.6.17/drivers/ieee1394/ieee1394_core.h 2006-06-17 18:49:35.000000000 -0700 ++++ linux-2.6.17-devfs/drivers/ieee1394/ieee1394_core.h 2006-08-25 11:06:18.000000000 -0700 +@@ -3,6 +3,7 @@ + #define _IEEE1394_CORE_H + + #include <linux/slab.h> ++#include <linux/devfs_fs_kernel.h> + #include <asm/atomic.h> + #include <asm/semaphore.h> + #include "hosts.h" +diff -ur linux-2.6.17/drivers/ieee1394/raw1394.c linux-2.6.17-devfs/drivers/ieee1394/raw1394.c +--- linux-2.6.17/drivers/ieee1394/raw1394.c 2006-06-17 18:49:35.000000000 -0700 ++++ linux-2.6.17-devfs/drivers/ieee1394/raw1394.c 2006-08-25 11:06:18.000000000 -0700 +@@ -41,6 +41,7 @@ + #include <linux/cdev.h> + #include <asm/uaccess.h> + #include <asm/atomic.h> ++#include <linux/devfs_fs_kernel.h> + #include <linux/compat.h> + + #include "csr1212.h" +@@ -2998,6 +2999,9 @@ + goto out_unreg; + } + ++ devfs_mk_cdev(MKDEV(IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_RAW1394 * 16), ++ S_IFCHR | S_IRUSR | S_IWUSR, RAW1394_DEVICE_NAME); ++ + cdev_init(&raw1394_cdev, &raw1394_fops); + raw1394_cdev.owner = THIS_MODULE; + kobject_set_name(&raw1394_cdev.kobj, RAW1394_DEVICE_NAME); +@@ -3019,6 +3023,7 @@ + goto out; + + out_dev: ++ devfs_remove(RAW1394_DEVICE_NAME); + class_device_destroy(hpsb_protocol_class, + MKDEV(IEEE1394_MAJOR, + IEEE1394_MINOR_BLOCK_RAW1394 * 16)); +@@ -3034,6 +3039,7 @@ + MKDEV(IEEE1394_MAJOR, + IEEE1394_MINOR_BLOCK_RAW1394 * 16)); + cdev_del(&raw1394_cdev); ++ devfs_remove(RAW1394_DEVICE_NAME); + hpsb_unregister_highlevel(&raw1394_highlevel); + hpsb_unregister_protocol(&raw1394_driver); + } +diff -ur linux-2.6.17/drivers/ieee1394/video1394.c linux-2.6.17-devfs/drivers/ieee1394/video1394.c +--- linux-2.6.17/drivers/ieee1394/video1394.c 2006-06-17 18:49:35.000000000 -0700 ++++ linux-2.6.17-devfs/drivers/ieee1394/video1394.c 2006-08-25 11:06:18.000000000 -0700 +@@ -42,6 +42,7 @@ + #include <linux/poll.h> + #include <linux/smp_lock.h> + #include <linux/delay.h> ++#include <linux/devfs_fs_kernel.h> + #include <linux/bitops.h> + #include <linux/types.h> + #include <linux/vmalloc.h> +@@ -1321,6 +1322,9 @@ + class_device_create(hpsb_protocol_class, NULL, MKDEV( + IEEE1394_MAJOR, minor), + NULL, "%s-%d", VIDEO1394_DRIVER_NAME, ohci->host->id); ++ devfs_mk_cdev(MKDEV(IEEE1394_MAJOR, minor), ++ S_IFCHR | S_IRUSR | S_IWUSR, ++ "%s/%d", VIDEO1394_DRIVER_NAME, ohci->host->id); + } + + +@@ -1328,9 +1332,12 @@ + { + struct ti_ohci *ohci = hpsb_get_hostinfo(&video1394_highlevel, host); + +- if (ohci) ++ if (ohci) { + class_device_destroy(hpsb_protocol_class, MKDEV(IEEE1394_MAJOR, + IEEE1394_MINOR_BLOCK_VIDEO1394 * 16 + ohci->host->id)); ++ devfs_remove("%s/%d", VIDEO1394_DRIVER_NAME, ohci->host->id); ++ } ++ + return; + } + +@@ -1471,8 +1478,12 @@ + static void __exit video1394_exit_module (void) + { + hpsb_unregister_protocol(&video1394_driver); ++ + hpsb_unregister_highlevel(&video1394_highlevel); ++ ++ devfs_remove(VIDEO1394_DRIVER_NAME); + cdev_del(&video1394_cdev); ++ + PRINT_G(KERN_INFO, "Removed " VIDEO1394_DRIVER_NAME " module"); + } + +@@ -1489,12 +1500,15 @@ + return ret; + } + ++ devfs_mk_dir(VIDEO1394_DRIVER_NAME); ++ + hpsb_register_highlevel(&video1394_highlevel); + + ret = hpsb_register_protocol(&video1394_driver); + if (ret) { + PRINT_G(KERN_ERR, "video1394: failed to register protocol"); + hpsb_unregister_highlevel(&video1394_highlevel); ++ devfs_remove(VIDEO1394_DRIVER_NAME); + cdev_del(&video1394_cdev); + return ret; + } +diff -ur linux-2.6.17/drivers/scsi/osst.c linux-2.6.17-devfs/drivers/scsi/osst.c +--- linux-2.6.17/drivers/scsi/osst.c 2006-06-17 18:49:35.000000000 -0700 ++++ linux-2.6.17-devfs/drivers/scsi/osst.c 2006-08-25 11:06:18.000000000 -0700 +@@ -48,6 +48,7 @@ + #include <linux/vmalloc.h> + #include <linux/blkdev.h> + #include <linux/moduleparam.h> ++#include <linux/devfs_fs_kernel.h> + #include <linux/delay.h> + #include <linux/jiffies.h> + #include <asm/uaccess.h> +@@ -5721,7 +5722,7 @@ + struct st_partstat * STps; + struct osst_buffer * buffer; + struct gendisk * drive; +- int i, dev_num; ++ int i, mode, dev_num; + + if (SDp->type != TYPE_TAPE || !osst_supports(SDp)) + return -ENODEV; +@@ -5857,6 +5858,18 @@ + snprintf(name, 8, "%s%s", "n", tape_name(tpnt)); + osst_sysfs_add(MKDEV(OSST_MAJOR, dev_num + 128), dev, tpnt, name); + } ++ for (mode = 0; mode < ST_NBR_MODES; ++mode) { ++ /* Rewind entry */ ++ devfs_mk_cdev(MKDEV(OSST_MAJOR, dev_num + (mode << 5)), ++ S_IFCHR | S_IRUGO | S_IWUGO, ++ "%s/ot%s", SDp->devfs_name, osst_formats[mode]); ++ ++ /* No-rewind entry */ ++ devfs_mk_cdev(MKDEV(OSST_MAJOR, dev_num + (mode << 5) + 128), ++ S_IFCHR | S_IRUGO | S_IWUGO, ++ "%s/ot%sn", SDp->devfs_name, osst_formats[mode]); ++ } ++ drive->number = devfs_register_tape(SDp->devfs_name); + + sdev_printk(KERN_INFO, SDp, + "osst :I: Attached OnStream %.5s tape as %s\n", +@@ -5873,7 +5886,7 @@ + { + struct scsi_device * SDp = to_scsi_device(dev); + struct osst_tape * tpnt; +- int i; ++ int i, mode; + + if ((SDp->type != TYPE_TAPE) || (osst_nr_dev <= 0)) + return 0; +@@ -5884,6 +5897,11 @@ + osst_sysfs_destroy(MKDEV(OSST_MAJOR, i)); + osst_sysfs_destroy(MKDEV(OSST_MAJOR, i+128)); + tpnt->device = NULL; ++ for (mode = 0; mode < ST_NBR_MODES; ++mode) { ++ devfs_remove("%s/ot%s", SDp->devfs_name, osst_formats[mode]); ++ devfs_remove("%s/ot%sn", SDp->devfs_name, osst_formats[mode]); ++ } ++ devfs_unregister_tape(tpnt->drive->number); + put_disk(tpnt->drive); + os_scsi_tapes[i] = NULL; + osst_nr_dev--; +diff -ur linux-2.6.17/drivers/scsi/scsi.c linux-2.6.17-devfs/drivers/scsi/scsi.c +--- linux-2.6.17/drivers/scsi/scsi.c 2006-06-17 18:49:35.000000000 -0700 ++++ linux-2.6.17-devfs/drivers/scsi/scsi.c 2006-08-25 11:07:42.000000000 -0700 +@@ -48,6 +48,7 @@ + #include <linux/delay.h> + #include <linux/init.h> + #include <linux/completion.h> ++#include <linux/devfs_fs_kernel.h> + #include <linux/unistd.h> + #include <linux/spinlock.h> + #include <linux/kmod.h> +@@ -1247,6 +1248,7 @@ + for_each_possible_cpu(i) + INIT_LIST_HEAD(&per_cpu(scsi_done_q, i)); + ++ devfs_mk_dir("scsi"); + printk(KERN_NOTICE "SCSI subsystem initialized\n"); + return 0; + +@@ -1271,6 +1273,7 @@ + scsi_exit_sysctl(); + scsi_exit_hosts(); + scsi_exit_devinfo(); ++ devfs_remove("scsi"); + scsi_exit_procfs(); + scsi_exit_queue(); + } +diff -ur linux-2.6.17/drivers/scsi/scsi_scan.c linux-2.6.17-devfs/drivers/scsi/scsi_scan.c +--- linux-2.6.17/drivers/scsi/scsi_scan.c 2006-06-17 18:49:35.000000000 -0700 ++++ linux-2.6.17-devfs/drivers/scsi/scsi_scan.c 2006-08-25 11:06:18.000000000 -0700 +@@ -716,8 +716,12 @@ + if (inq_result[7] & 0x10) + sdev->sdtr = 1; + ++ sprintf(sdev->devfs_name, "scsi/host%d/bus%d/target%d/lun%d", ++ sdev->host->host_no, sdev->channel, ++ sdev->id, sdev->lun); ++ + /* +- * End sysfs code. ++ * End driverfs/devfs code. + */ + + if ((sdev->scsi_level >= SCSI_2) && (inq_result[7] & 2) && +diff -ur linux-2.6.17/drivers/scsi/sd.c linux-2.6.17-devfs/drivers/scsi/sd.c +--- linux-2.6.17/drivers/scsi/sd.c 2006-06-17 18:49:35.000000000 -0700 ++++ linux-2.6.17-devfs/drivers/scsi/sd.c 2006-08-25 11:06:18.000000000 -0700 +@@ -1683,6 +1683,8 @@ + 'a' + m1, 'a' + m2, 'a' + m3); + } + ++ strcpy(gd->devfs_name, sdp->devfs_name); ++ + gd->private_data = &sdkp->driver; + gd->queue = sdkp->device->request_queue; + +diff -ur linux-2.6.17/drivers/scsi/sg.c linux-2.6.17-devfs/drivers/scsi/sg.c +--- linux-2.6.17/drivers/scsi/sg.c 2006-06-17 18:49:35.000000000 -0700 ++++ linux-2.6.17-devfs/drivers/scsi/sg.c 2006-08-25 11:06:18.000000000 -0700 +@@ -44,6 +44,7 @@ + #include <linux/poll.h> + #include <linux/smp_lock.h> + #include <linux/moduleparam.h> ++#include <linux/devfs_fs_kernel.h> + #include <linux/cdev.h> + #include <linux/seq_file.h> + #include <linux/blkdev.h> +@@ -1427,10 +1428,14 @@ + k = error; + sdp = sg_dev_arr[k]; + ++ devfs_mk_cdev(MKDEV(SCSI_GENERIC_MAJOR, k), ++ S_IFCHR | S_IRUSR | S_IWUSR | S_IRGRP, ++ "%s/generic", scsidp->devfs_name); + error = cdev_add(cdev, MKDEV(SCSI_GENERIC_MAJOR, k), 1); +- if (error) ++ if (error) { ++ devfs_remove("%s/generic", scsidp->devfs_name); + goto out; +- ++ } + sdp->cdev = cdev; + if (sg_sysfs_valid) { + struct class_device * sg_class_member; +@@ -1520,6 +1525,7 @@ + class_device_destroy(sg_sysfs_class, MKDEV(SCSI_GENERIC_MAJOR, k)); + cdev_del(sdp->cdev); + sdp->cdev = NULL; ++ devfs_remove("%s/generic", scsidp->devfs_name); + put_disk(sdp->disk); + sdp->disk = NULL; + if (NULL == sdp->headfp) +diff -ur linux-2.6.17/drivers/scsi/sr.c linux-2.6.17-devfs/drivers/scsi/sr.c +--- linux-2.6.17/drivers/scsi/sr.c 2006-06-17 18:49:35.000000000 -0700 ++++ linux-2.6.17-devfs/drivers/scsi/sr.c 2006-08-25 11:06:18.000000000 -0700 +@@ -592,6 +592,8 @@ + get_capabilities(cd); + sr_vendor_init(cd); + ++ snprintf(disk->devfs_name, sizeof(disk->devfs_name), ++ "%s/cd", sdev->devfs_name); + disk->driverfs_dev = &sdev->sdev_gendev; + set_capacity(disk, cd->capacity); + disk->private_data = &cd->driver; +diff -ur linux-2.6.17/drivers/scsi/st.c linux-2.6.17-devfs/drivers/scsi/st.c +--- linux-2.6.17/drivers/scsi/st.c 2006-06-17 18:49:35.000000000 -0700 ++++ linux-2.6.17-devfs/drivers/scsi/st.c 2006-08-25 11:06:18.000000000 -0700 +@@ -35,6 +35,7 @@ + #include <linux/spinlock.h> + #include <linux/blkdev.h> + #include <linux/moduleparam.h> ++#include <linux/devfs_fs_kernel.h> + #include <linux/cdev.h> + #include <linux/delay.h> + #include <linux/mutex.h> +@@ -4053,8 +4054,23 @@ + do_create_class_files(tpnt, dev_num, mode); + } + ++ for (mode = 0; mode < ST_NBR_MODES; ++mode) { ++ /* Make sure that the minor numbers corresponding to the four ++ first modes always get the same names */ ++ i = mode << (4 - ST_NBR_MODE_BITS); ++ /* Rewind entry */ ++ devfs_mk_cdev(MKDEV(SCSI_TAPE_MAJOR, TAPE_MINOR(dev_num, mode, 0)), ++ S_IFCHR | S_IRUGO | S_IWUGO, ++ "%s/mt%s", SDp->devfs_name, st_formats[i]); ++ /* No-rewind entry */ ++ devfs_mk_cdev(MKDEV(SCSI_TAPE_MAJOR, TAPE_MINOR(dev_num, mode, 1)), ++ S_IFCHR | S_IRUGO | S_IWUGO, ++ "%s/mt%sn", SDp->devfs_name, st_formats[i]); ++ } ++ disk->number = devfs_register_tape(SDp->devfs_name); ++ + sdev_printk(KERN_WARNING, SDp, + "Attached scsi tape %s\n", tape_name(tpnt)); + printk(KERN_WARNING "%s: try direct i/o: %s (alignment %d B)\n", + tape_name(tpnt), tpnt->try_dio ? "yes" : "no", + queue_dma_alignment(SDp->request_queue) + 1); +@@ -4106,9 +4122,13 @@ + scsi_tapes[i] = NULL; + st_nr_dev--; + write_unlock(&st_dev_arr_lock); ++ devfs_unregister_tape(tpnt->disk->number); + sysfs_remove_link(&tpnt->device->sdev_gendev.kobj, + "tape"); + for (mode = 0; mode < ST_NBR_MODES; ++mode) { ++ j = mode << (4 - ST_NBR_MODE_BITS); ++ devfs_remove("%s/mt%s", SDp->devfs_name, st_formats[j]); ++ devfs_remove("%s/mt%sn", SDp->devfs_name, st_formats[j]); + for (j=0; j < 2; j++) { + class_device_destroy(st_sysfs_class, + MKDEV(SCSI_TAPE_MAJOR, +diff -ur linux-2.6.17/include/scsi/scsi_device.h linux-2.6.17-devfs/include/scsi/scsi_device.h +--- linux-2.6.17/include/scsi/scsi_device.h 2006-06-17 18:49:35.000000000 -0700 ++++ linux-2.6.17-devfs/include/scsi/scsi_device.h 2006-08-25 11:06:18.000000000 -0700 +@@ -74,6 +74,7 @@ + unsigned sector_size; /* size in bytes */ + + void *hostdata; /* available to low-level driver */ ++ char devfs_name[256]; /* devfs junk */ + char type; + char scsi_level; + char inq_periph_qual; /* PQ from INQUIRY data */ |