On (25/09/07 12:31), Jens Axboe didst pronounce:
> On Tue, Sep 25 2007, Mel Gorman wrote:
> > On (25/09/07 01:11), Kamalesh Babulal didst pronounce:
> >
> > Hi Kamalesh,
> >
> > > The build fails with following error
> > >
> > > CC drivers/block/ps3disk.o
> > > drivers/block/ps3disk.c: In function ???ps3disk_scatter_gather???:
> > > drivers/block/ps3disk.c:115: error: ???bio??? undeclared (first use in this
> > > function)
> > > drivers/block/ps3disk.c:115: error: (Each undeclared identifier is
> > > reported only once
> > > drivers/block/ps3disk.c:115: error: for each function it appears in.)
> > > drivers/block/ps3disk.c:115: error: ???j??? undeclared (first use in this
> > > function)
> > > drivers/block/ps3disk.c:116: error: implicit declaration of function
> > > ???bio_kunmap_bvec???
> > > make[2]: *** [drivers/block/ps3disk.o] Error 1
> > > make[1]: *** [drivers/block] Error 2
> > > make: *** [drivers] Error 2
> > >
> > > The function bio_kunmap_bvec is missing.I tried checking the git-block.patch
> > > as well as the linux/kernel/git/axboe/linux-2.6-block.git and did not
> > > find this function.
> > >
> > > Previously this function was replaced by __bio_kunmap_atomic();
> > > This patch does not solves the implicit "declaration of function
> > > ???bio_kunmap_bvec???"
> > >
> > > Signed-off-by: Kamalesh Babulal <[email protected]
> > > <mailto:[email protected]>>
> >
> > Your mailer appears to have mangled both your signoff and the whitespace in
> > the patch and it does not apply. However, fixing it does not solve the problem
> > because of this mysterious bio_kunmap_bvec() that is only referenced by this
> > driver. Was it accidently added during the addition of sg chaining support?
>
> This should fix things up.
>
This builds although I lack the hardware to really test it. However, in
2.6.23-rc8-mm1 it collides with git-block-ps3disk-fix.patch. This is a
version on top of that stack but I guess the best thing to do is replace
git-block-ps3disk-fix.patch with Jens patch once it is signed off.
Not signing off because this is just a rebase. Assuming the other one
gets signed off, consider it;
Acked-by: Mel Gorman <[email protected]>
---
diff -rup -X /usr/src/patchset-0.6/bin//dontdiff linux-2.6.23-rc8-mm1-clean/drivers/block/ps3disk.c linux-2.6.23-rc8-mm1-fix-ps3disk/drivers/block/ps3disk.c
--- linux-2.6.23-rc8-mm1-clean/drivers/block/ps3disk.c 2007-09-25 12:05:40.000000000 +0100
+++ linux-2.6.23-rc8-mm1-fix-ps3disk/drivers/block/ps3disk.c 2007-09-25 12:09:19.000000000 +0100
@@ -106,14 +106,14 @@ static void ps3disk_scatter_gather(struc
(unsigned long)iter.bio->bi_sector);
size = bvec->bv_len;
- buf = bvec_kmap_irq(bvec, flags);
+ buf = bvec_kmap_irq(bvec, &flags);
if (gather)
memcpy(dev->bounce_buf+offset, buf, size);
else
memcpy(buf, dev->bounce_buf+offset, size);
offset += size;
- flush_kernel_dcache_page(bio_iovec_idx(iter.bio, iter.i)->bv_page);
- bio_kunmap_bvec(bvec, flags);
+ flush_kernel_dcache_page(bvec->bv_page);
+ bvec_kunmap_irq(buf, &flags);
i++;
}
}
--
Mel Gorman
Part-time Phd Student Linux Technology Center
University of Limerick IBM Dublin Software Lab
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