diff options
Diffstat (limited to 'drivers/block')
-rw-r--r-- | drivers/block/aoe/aoe.h | 2 | ||||
-rw-r--r-- | drivers/block/aoe/aoechr.c | 2 | ||||
-rw-r--r-- | drivers/block/aoe/aoecmd.c | 15 | ||||
-rw-r--r-- | drivers/block/genhd.c | 25 | ||||
-rw-r--r-- | drivers/block/paride/pg.c | 2 | ||||
-rw-r--r-- | drivers/block/paride/pt.c | 4 |
6 files changed, 38 insertions, 12 deletions
diff --git a/drivers/block/aoe/aoe.h b/drivers/block/aoe/aoe.h index 0e9e586e9ba3..881c48d941b7 100644 --- a/drivers/block/aoe/aoe.h +++ b/drivers/block/aoe/aoe.h @@ -1,5 +1,5 @@ /* Copyright (c) 2004 Coraid, Inc. See COPYING for GPL terms. */ -#define VERSION "12" +#define VERSION "14" #define AOE_MAJOR 152 #define DEVICE_NAME "aoe" diff --git a/drivers/block/aoe/aoechr.c b/drivers/block/aoe/aoechr.c index 45a243096187..41ae0ede619a 100644 --- a/drivers/block/aoe/aoechr.c +++ b/drivers/block/aoe/aoechr.c @@ -224,7 +224,7 @@ aoechr_init(void) return PTR_ERR(aoe_class); } for (i = 0; i < ARRAY_SIZE(chardevs); ++i) - class_device_create(aoe_class, + class_device_create(aoe_class, NULL, MKDEV(AOE_MAJOR, chardevs[i].minor), NULL, chardevs[i].name); diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c index b5be4b7d7b5b..5c9c7c1a3d4c 100644 --- a/drivers/block/aoe/aoecmd.c +++ b/drivers/block/aoe/aoecmd.c @@ -8,6 +8,7 @@ #include <linux/blkdev.h> #include <linux/skbuff.h> #include <linux/netdevice.h> +#include <asm/unaligned.h> #include "aoe.h" #define TIMERTICK (HZ / 10) @@ -311,16 +312,16 @@ ataid_complete(struct aoedev *d, unsigned char *id) u16 n; /* word 83: command set supported */ - n = le16_to_cpup((__le16 *) &id[83<<1]); + n = le16_to_cpu(get_unaligned((__le16 *) &id[83<<1])); /* word 86: command set/feature enabled */ - n |= le16_to_cpup((__le16 *) &id[86<<1]); + n |= le16_to_cpu(get_unaligned((__le16 *) &id[86<<1])); if (n & (1<<10)) { /* bit 10: LBA 48 */ d->flags |= DEVFL_EXT; /* word 100: number lba48 sectors */ - ssize = le64_to_cpup((__le64 *) &id[100<<1]); + ssize = le64_to_cpu(get_unaligned((__le64 *) &id[100<<1])); /* set as in ide-disk.c:init_idedisk_capacity */ d->geo.cylinders = ssize; @@ -331,12 +332,12 @@ ataid_complete(struct aoedev *d, unsigned char *id) d->flags &= ~DEVFL_EXT; /* number lba28 sectors */ - ssize = le32_to_cpup((__le32 *) &id[60<<1]); + ssize = le32_to_cpu(get_unaligned((__le32 *) &id[60<<1])); /* NOTE: obsolete in ATA 6 */ - d->geo.cylinders = le16_to_cpup((__le16 *) &id[54<<1]); - d->geo.heads = le16_to_cpup((__le16 *) &id[55<<1]); - d->geo.sectors = le16_to_cpup((__le16 *) &id[56<<1]); + d->geo.cylinders = le16_to_cpu(get_unaligned((__le16 *) &id[54<<1])); + d->geo.heads = le16_to_cpu(get_unaligned((__le16 *) &id[55<<1])); + d->geo.sectors = le16_to_cpu(get_unaligned((__le16 *) &id[56<<1])); } d->ssize = ssize; d->geo.start = 0; diff --git a/drivers/block/genhd.c b/drivers/block/genhd.c index d42840cc0d1d..486ce1fdeb8c 100644 --- a/drivers/block/genhd.c +++ b/drivers/block/genhd.c @@ -337,10 +337,30 @@ static ssize_t disk_attr_show(struct kobject *kobj, struct attribute *attr, return ret; } +static ssize_t disk_attr_store(struct kobject * kobj, struct attribute * attr, + const char *page, size_t count) +{ + struct gendisk *disk = to_disk(kobj); + struct disk_attribute *disk_attr = + container_of(attr,struct disk_attribute,attr); + ssize_t ret = 0; + + if (disk_attr->store) + ret = disk_attr->store(disk, page, count); + return ret; +} + static struct sysfs_ops disk_sysfs_ops = { .show = &disk_attr_show, + .store = &disk_attr_store, }; +static ssize_t disk_uevent_store(struct gendisk * disk, + const char *buf, size_t count) +{ + kobject_hotplug(&disk->kobj, KOBJ_ADD); + return count; +} static ssize_t disk_dev_read(struct gendisk * disk, char *page) { dev_t base = MKDEV(disk->major, disk->first_minor); @@ -382,6 +402,10 @@ static ssize_t disk_stats_read(struct gendisk * disk, char *page) jiffies_to_msecs(disk_stat_read(disk, io_ticks)), jiffies_to_msecs(disk_stat_read(disk, time_in_queue))); } +static struct disk_attribute disk_attr_uevent = { + .attr = {.name = "uevent", .mode = S_IWUSR }, + .store = disk_uevent_store +}; static struct disk_attribute disk_attr_dev = { .attr = {.name = "dev", .mode = S_IRUGO }, .show = disk_dev_read @@ -404,6 +428,7 @@ static struct disk_attribute disk_attr_stat = { }; static struct attribute * default_attrs[] = { + &disk_attr_uevent.attr, &disk_attr_dev.attr, &disk_attr_range.attr, &disk_attr_removable.attr, diff --git a/drivers/block/paride/pg.c b/drivers/block/paride/pg.c index b3982395f22b..82f2d6d2eeef 100644 --- a/drivers/block/paride/pg.c +++ b/drivers/block/paride/pg.c @@ -674,7 +674,7 @@ static int __init pg_init(void) for (unit = 0; unit < PG_UNITS; unit++) { struct pg *dev = &devices[unit]; if (dev->present) { - class_device_create(pg_class, MKDEV(major, unit), + 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", diff --git a/drivers/block/paride/pt.c b/drivers/block/paride/pt.c index d8d35233cf49..686c95573452 100644 --- a/drivers/block/paride/pt.c +++ b/drivers/block/paride/pt.c @@ -971,7 +971,7 @@ static int __init pt_init(void) devfs_mk_dir("pt"); for (unit = 0; unit < PT_UNITS; unit++) if (pt[unit].present) { - class_device_create(pt_class, MKDEV(major, unit), + 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, @@ -980,7 +980,7 @@ static int __init pt_init(void) class_device_destroy(pt_class, MKDEV(major, unit)); goto out_class; } - class_device_create(pt_class, MKDEV(major, unit + 128), + 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, |