Re: [PATCH v2 02/26] block: Add bio_advance()

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hello,

On Thu, Sep 20, 2012 at 04:13:08PM -0700, Kent Overstreet wrote:
> I just cut and pasted that from blk_update_request(), which is what the
> next patch refactors...

Yeah, well, that was written when we didn't have WARNs.

> But yes it would be a bug. It gets converted to a BUG_ON() in a later
> patch (not in this series), as this gets further abstracted into a
> wrapper around bvec_advance_iter() which doesn't know about struct bio
> (as bio integrity gets its own iterator).

WARN() generally preferable unless there's no way at all to continue.
Storage layer could be a bit different if immediate danger for data
corruption exists but the general consensus seems that we're too
trigger happy with BUG_ON()s.

Thanks.

-- 
tejun
--
To unsubscribe from this list: send the line "unsubscribe linux-bcache" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Linux ARM Kernel]     [Linux Filesystem Development]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [IETF Annouce]     [Security]     [Bugtraq]     [Linux OMAP]     [Linux MIPS]     [ECOS]     [Asterisk Internet PBX]     [Linux API]

  Powered by Linux