On Mon, Mar 18, 2024 at 03:19:03PM +0800, Yu Kuai wrote: > I come up with an ideal: > > While opening the block_device the first time, store the generated new > file in "bd_inode->i_private". And release it after the last opener > close the block_device. > > The advantages are: > - multiple openers can share the same bdev_file; > - raw block device ops can use the bdev_file as well, and there is no > need to distinguish iomap/buffer_head for raw block_device; > > Please let me know what do you think? That does sound very reasonable to me.
