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block: Move bdev_unhash_inode() after invalidate_partition() 

Move bdev_unhash_inode() after invalidate_partition() as
invalidate_partition() looks up bdev and it cannot find the right bdev
inode after bdev_unhash_inode() is called. Thus invalidate_partition()
would not invalidate page cache of the previously used bdev. Also use
part_devt() when calling bdev_unhash_inode() instead of manually
creating the device number.

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>
This commit is contained in:
Jan Kara 2017-02-21 18:09:46 +01:00 committed by Jens Axboe
parent 6330a2d0b4
commit 4b8c861a7c
1 changed files with 1 additions and 2 deletions
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3
block/genhd.c
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@ -669,9 +669,8 @@ void del_gendisk(struct gendisk *disk)
disk_part_iter_init(&piter, disk,
DISK_PITER_INCL_EMPTY | DISK_PITER_REVERSE);
while ((part = disk_part_iter_next(&piter))) {
bdev_unhash_inode(MKDEV(disk->major,
disk->first_minor + part->partno));
invalidate_partition(disk, part->partno);
bdev_unhash_inode(part_devt(part));
delete_partition(disk, part->partno);
}
disk_part_iter_exit(&piter);