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block: Unhash also block device inode for the whole device

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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 <[email protected]>
Acked-by: Tejun Heo <[email protected]>
Signed-off-by: Jan Kara <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Jan Kara 2017-02-21 18:09:47 +01:00 • committed by Jens Axboe
commit d06e05c026
1 changed files with 1 additions and 0 deletions
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block/genhd.c
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@ -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;