block: unhash the inode earlier in delete_partition

Move the call to remove_inode_hash to the beginning of delete_partition,
as we want to prevent opening a block_device that is about to be removed
ASAP.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Acked-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Link: https://lore.kernel.org/r/20230601094459.1350643-7-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2023-06-01 11:44:49 +02:00 committed by Jens Axboe
parent a4f75764d1
commit 69f90b70bd

View File

@ -267,6 +267,12 @@ static void delete_partition(struct block_device *part)
{
lockdep_assert_held(&part->bd_disk->open_mutex);
/*
* Remove the block device from the inode hash, so that it cannot be
* looked up any more even when openers still hold references.
*/
remove_inode_hash(part->bd_inode);
fsync_bdev(part);
__invalidate_device(part, true);
@ -274,12 +280,6 @@ static void delete_partition(struct block_device *part)
kobject_put(part->bd_holder_dir);
device_del(&part->bd_device);
/*
* Remove the block device from the inode hash, so that it cannot be
* looked up any more even when openers still hold references.
*/
remove_inode_hash(part->bd_inode);
put_device(&part->bd_device);
}