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block: unify sysfs size node handling

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Now that capacity and __dev are moved to part0, part0 and others can
share the same method.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Tejun Heo 2008-08-25 19:56:09 +09:00 committed by Jens Axboe
parent 548b10eb29
commit e561052149
3 changed files with 6 additions and 11 deletions
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10
block/genhd.c
View File

@ -760,14 +760,6 @@ static ssize_t disk_ro_show(struct device *dev,
return sprintf(buf, "%d\n", disk->policy ? 1 : 0);
}
static ssize_t disk_size_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct gendisk *disk = dev_to_disk(dev);
return sprintf(buf, "%llu\n", (unsigned long long)get_capacity(disk));
}
static ssize_t disk_capability_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
@ -835,7 +827,7 @@ static DEVICE_ATTR(range, S_IRUGO, disk_range_show, NULL);
static DEVICE_ATTR(ext_range, S_IRUGO, disk_ext_range_show, NULL);
static DEVICE_ATTR(removable, S_IRUGO, disk_removable_show, NULL);
static DEVICE_ATTR(ro, S_IRUGO, disk_ro_show, NULL);
static DEVICE_ATTR(size, S_IRUGO, disk_size_show, NULL);
static DEVICE_ATTR(size, S_IRUGO, part_size_show, NULL);
static DEVICE_ATTR(capability, S_IRUGO, disk_capability_show, NULL);
static DEVICE_ATTR(stat, S_IRUGO, disk_stat_show, NULL);
#ifdef CONFIG_FAIL_MAKE_REQUEST

4
fs/partitions/check.c
View File

@ -208,8 +208,8 @@ static ssize_t part_start_show(struct device *dev,
return sprintf(buf, "%llu\n",(unsigned long long)p->start_sect);
}
static ssize_t part_size_show(struct device *dev,
struct device_attribute *attr, char *buf)
ssize_t part_size_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct hd_struct *p = dev_to_part(dev);
return sprintf(buf, "%llu\n",(unsigned long long)p->nr_sects);

3
include/linux/genhd.h
View File

@ -591,6 +591,9 @@ extern void blk_register_region(dev_t devt, unsigned long range,
void *data);
extern void blk_unregister_region(dev_t devt, unsigned long range);
extern ssize_t part_size_show(struct device *dev,
struct device_attribute *attr, char *buf);
#else /* CONFIG_BLOCK */
static inline void printk_all_partitions(void) { }