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SubjectRe: linux-next: build failure after merge of the staging tree
On Fri, May 13, 2016 at 01:15:38PM +1000, Stephen Rothwell wrote:
> Hi Greg,
>
> After merging the staging tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
>
> drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c:1706:9:
> error: too few arguments to function 'ib_map_mr_sg'
> n = ib_map_mr_sg(mr, tx->tx_frags,
> ^
> In file included from /home/sfr/next/next/include/rdma/ib_addr.h:47:0,
> from /home/sfr/next/next/include/rdma/rdma_cm.h:39,
> from /home/sfr/next/next/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h:63,
> from /home/sfr/next/next/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c:43:
> /home/sfr/next/next/include/rdma/ib_verbs.h:3147:5: note: declared here
> int ib_map_mr_sg(struct ib_mr *mr, struct scatterlist *sg, int sg_nents,
> ^
>
> Caused by commit
>
> 80e05b34f882 ("staging: lustre: o2iblnd: Add Fast Reg memory registration support")
>
> interacting with commits
>
> aa42d65b5e20 ("IB/core: allow passing mapping an offset into the SG in ib_map_mr_sg")
> f0cf99be3251 ("IB/core: Enhance ib_map_mr_sg()")
>
> from the rdma-leon-test tree.
>
> I added the following merge fix patch for today:
>
> From: Stephen Rothwell <sfr@canb.auug.org.au>
> Date: Fri, 13 May 2016 13:10:47 +1000
> Subject: [PATCH] staging: lustre: o2iblnd: fix for ib_map_mr_sg() API changes
>
> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
> ---
> drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c
> index d99b4fac0c39..6c59f2ff2220 100644
> --- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c
> +++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c
> @@ -1704,7 +1704,7 @@ int kiblnd_fmr_pool_map(kib_fmr_poolset_t *fps, kib_tx_t *tx,
> }
>
> n = ib_map_mr_sg(mr, tx->tx_frags,
> - tx->tx_nfrags, PAGE_SIZE);
> + tx->tx_nfrags, NULL, PAGE_SIZE);
> if (unlikely(n != tx->tx_nfrags)) {
> CERROR("Failed to map mr %d/%d elements\n",
> n, tx->tx_nfrags);

Looks good, thanks for the fix.

greg k-h

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