diff options
author | Jeff Garzik <jgarzik@pobox.com> | 2005-10-28 18:48:57 -0400 |
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committer | Jeff Garzik <jgarzik@pobox.com> | 2005-10-28 18:48:57 -0400 |
commit | 596c96ba06e5d56e72451e02f93f4e15e17458df (patch) | |
tree | 78bc640acacb8faeb621c51296e99dbb0533a147 /drivers/block/genhd.c | |
parent | ad18b0ea089928367185e13d11424aea91d4b41f (diff) | |
parent | 20731945ae743034353a88c307920d1f16cf8ac8 (diff) |
Merge branch 'master'
Diffstat (limited to 'drivers/block/genhd.c')
-rw-r--r-- | drivers/block/genhd.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/block/genhd.c b/drivers/block/genhd.c index d42840cc0d1..486ce1fdeb8 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, |