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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 <tj@kernel.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Tejun Heo 2008-08-25 19:56:11 +09:00 • committed by Jens Axboe
parent b7db9956e5
commit 4c46501d16
4 changed files with 6 additions and 29 deletions
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include/linux/genhd.h
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@ -141,7 +141,6 @@ struct gendisk {
int flags;
struct device *driverfs_dev; // FIXME: remove
struct kobject *holder_dir;
struct kobject *slave_dir;
struct timer_rand_state *random;