Commit d06e05c0 authored Feb 21, 2017 by Jan Kara Committed by Jens Axboe Feb 21, 2017

block: Unhash also block device inode for the whole device



Iteration over partitions in del_gendisk() omits part0. Add
bdev_unhash_inode() call for the whole device. Otherwise if the device
number gets reused, bdev inode will be still associated with the old
(stale) bdi.

Tested-by: Lekshmi Pillai <lekshmicpillai@in.ibm.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@fb.com>

parent 4b8c861a

block/genhd.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -676,6 +676,7 @@ void del_gendisk(struct gendisk *disk)
		disk_part_iter_exit(&piter);

		invalidate_partition(disk, 0);
		bdev_unhash_inode(disk_devt(disk));
		set_capacity(disk, 0);
		disk->flags &= ~GENHD_FL_UP;

Admin message