Messages in this thread | | | Date | Fri, 17 Aug 2007 14:37:40 +0200 | From | Jens Axboe <> | Subject | Re: [PATCH 000 of 6] A few block-layer tidy-up patches. |
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On Fri, Aug 17 2007, Neil Brown wrote: > On Friday August 17, jens.axboe@oracle.com wrote: > > > > Please inspect the #block-2.6.24 branch to see the result. > > > > > > I don't know where to look for this. I checked > > > http://git.kernel.org/?p=linux/kernel/git/axboe/linux-2.6-block.git > > > but they don't seem to be there. > > > ?? > > > > That's where it is, but the kernel.org mirroring is just horrible slow. > > Just checked now and it's there. > > I discovered I was looking in the wrong place - not being very > familiar with git terminology. > I found them and it looks right.
Ah, good.
> I had a bit of a look at removing bio_data and ->buffer ... the > usages outside of drivers/ide are fairly easy to deal with - I might > send a patch for that. The drivers/ide stuff looks like a fairly > substantial rewrite is in order. > e.g. idefloppy_packet_command_s seems to duplicate a lot of > fields from 'struct request', and it should probably use the request > struct directly.
We can do it bits at the time, the triviel ones first. I have some experience with drivers/ide/ myself, so I can attempt to tackle some of that myself.
> But a number of times ->buffer points to ->cmd, and there is no bio. > I guess we should use bio_map_kern to make a bio?
It points to ->cmd?! But yes, generally things just need to be converted to map the data to a bio with bio_map_kern() (or bio_map_user(), where appropriate).
> I'll see if I can come up with something.... testing it might be > awkward. I have an ide cdrom I can test on. Maybe an ide disk,, but > not an ide floppy :-)
I can help with that as well :-)
-- Jens Axboe
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