Re: [dm-devel] [PATCH v5 05/12] block: Kill bi_destructor

[Tejun Heo <tj kernel org>]

Hello,

On Wed, Aug 8, 2012 at 11:12 PM, Kent Overstreet <koverstreet google com> wrote:
> But if it's a pointer to heap allocated memory, but the bio was embedded
> in another struct? I've seen a fair number of instances of that (md, off
> the top of my head).
>
> If you're sure that in a normal config the slab allocator is going to
> complain right away and not corrupt itself, fine. But I've been bitten
> way too hard by bugs that could've been caught right away by a simple
> assert and instead I had to spend hours backtracking, and the block
> layer is _rife_ with that kind of thing.

Let's let slab debug code deal with that.  I really don't see much
benefit in doing this.  The said kind of bugs aren't particularly
difficult to track down.

Thanks.

-- 
tejun