A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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block: move holder_dir from disk to part0

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Move disk->holder_dir to part0->holder_dir.  Kill now mostly
superflous bdev_get_holder().

While at it, kill superflous kobject_get/put() around holder_dir,
slave_dir and cmd_filter creation and collapse
disk_sysfs_add_subdirs() into register_disk().  These serve no purpose
but obfuscating the code.

Signed-off-by: Tejun Heo <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Tejun Heo 2008-08-25 19:56:11 +09:00 • committed by Jens Axboe
commit 4c46501d16
4 changed files with 6 additions and 29 deletions
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15
fs/partitions/check.c
View file

@ -305,16 +305,6 @@ struct device_type part_type = {
.release = part_release,
};
static inline void disk_sysfs_add_subdirs(struct gendisk *disk)
{
struct kobject *k;
k = kobject_get(&disk_to_dev(disk)->kobj);
disk->holder_dir = kobject_create_and_add("holders", k);
disk->slave_dir = kobject_create_and_add("slaves", k);
kobject_put(k);
}
static void delete_partition_rcu_cb(struct rcu_head *head)
{
struct hd_struct *part = container_of(head, struct hd_struct, rcu_head);
@ -464,7 +454,8 @@ void register_disk(struct gendisk *disk)
return;
}
#endif
disk_sysfs_add_subdirs(disk);
disk->part0.holder_dir = kobject_create_and_add("holders", &ddev->kobj);
disk->slave_dir = kobject_create_and_add("slaves", &ddev->kobj);
/* No minors to use for partitions */
if (!disk_partitionable(disk))
@ -592,7 +583,7 @@ void del_gendisk(struct gendisk *disk)
disk_stat_set_all(disk, 0);
disk->stamp = 0;
kobject_put(disk->holder_dir);
kobject_put(disk->part0.holder_dir);
kobject_put(disk->slave_dir);
disk->driverfs_dev = NULL;
#ifndef CONFIG_SYSFS_DEPRECATED