Re: [PATCH 04/10] block: remove the GENHD_FL_UP check in blkdev_get_no_open
From: Ming Lei <hidden>
Date: 2021-07-26 10:18:04
Also in:
linux-btrfs
On Sat, Jul 24, 2021 at 09:12:43AM +0200, Christoph Hellwig wrote:
The GENHD_FL_UP check in blkdev_get_no_open is superflous. The actual non-racy check happens later under open_mutex in blkdev_get_by_dev, and the inodes are removed from the inode hash early in del_gendisk, so it does not provide any useful short cut. Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ming Lei <redacted> -- Ming