Re: NBD Cleanup patch and bugfix in ll_rw_blk.c

From: Linus Torvalds (
Date: Wed Feb 28 2001 - 14:41:07 EST

On Sun, 25 Feb 2001, Steve Whitehouse wrote:
> Here is a new version of the patch I recently sent to the list with some
> NBD cleanups and a bug fix in ll_rw_blk.c. The changes to NBD have Pavel
> Machek's approval as I've left out the two changes as he suggested.
> The bug fix in ll_rw_blk.c prevents hangs when using block devices which
> don't have plugging functions,

I'm convinced that the right fix is to just make everybody have plugging

Right now, who doesn't? The fix is unbelievably ugly, AND can break real
drivers that _do_ have plugging functions (where they get surprised by
having their request function called several times per plug just because
somebody unplugged them and new requests came in).

Just fix ndb instead.


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