Re: [PATCH]: Fix networking scatterlist regressions.

[David Miller <davem@davemloft.net>]

From: Jens Axboe <jens.axboe@oracle.com>
Date: Wed, 31 Oct 2007 09:14:28 +0100

> Subject: [PATCH] [SG] Get rid of __sg_mark_end()
> 
> sg_mark_end() overwrites the page_link information, but all users want
> __sg_mark_end() behaviour where we just set the end bit. That is the most
> natural way to use the sg list, since you'll fill it in and then mark the
> end point.
> 
> So change sg_mark_end() to only set the termination bit. Add a sg_magic
> debug check as well, and clear a chain pointer if it is set.
> 
> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

It doesn't build.  I suspect there is something else in your tree
that is necessary for this patch to work on it's own.

davem@sunset:~/src/GIT/net-2.6$ patch -p1 <diff
patching file block/ll_rw_blk.c
patching file drivers/scsi/scsi_lib.c
patching file include/linux/scatterlist.h
Hunk #2 succeeded at 242 (offset 22 lines).
patching file net/core/skbuff.c
patching file net/ipv4/tcp_ipv4.c
patching file net/ipv6/tcp_ipv6.c
patching file net/rxrpc/rxkad.c
patching file net/sunrpc/auth_gss/gss_krb5_crypto.c
 ...
  CC      init/main.o
In file included from include/asm/dma-mapping.h:4,
                 from include/linux/dma-mapping.h:52,
                 from include/asm/sbus.h:9,
                 from include/asm/dma.h:14,
                 from include/linux/bootmem.h:8,
                 from init/main.c:26:
include/linux/scatterlist.h: In function 'sg_init_one':
include/linux/scatterlist.h:228: error: too many arguments to function 'sg_mark_end'
make[1]: *** [init/main.o] Error 1
make: *** [init] Error 2