[PATCH 23/45] block: remove i_bdev

[Tejun Heo]

Hello,

On Wed, Nov 25, 2020 at 05:29:26PM +0100, Christoph Hellwig wrote:
> > I was wondering whether losing the stale bdev flushing in bd_acquire() would
> > cause user-visible behavior changes but can't see how it would given that
> > userland has no way of holding onto a specific instance of block inode.
> > Maybe it's something worth mentioning in the commit message?
> 
> With stale bdev flushing do you mean the call to bd_forget if
> i_bdev exists but is unhashed?  It doesn't actually flush anything but

Yeah.

> just detaches the old bdev from the inode so that the new one can be
> attached.  That problem goes away by definition if we don't attach
> the bdev to the inode.

Yeah, I think so. Was just wondering whether the problem actually goes away.

Thanks.

-- 
tejun