Hi Fengguang,
On Thu, 2014-05-22 at 11:13 +0800, kbuild test robot wrote:
> tree: git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending.git
> for-next
> head: 4baaa7d589e24bfe87dfd6c7a1229108be404a28
> commit: 4baaa7d589e24bfe87dfd6c7a1229108be404a28 [20/20] virtio-scsi: Enable
> DIF/DIX modes in SCSI host LLD
> config: x86_64-randconfig-x000 (attached as .config)
>
> All error/warnings:
>
> drivers/scsi/virtio_scsi.c: In function 'virtio_scsi_init_hdr_pi':
> >> drivers/scsi/virtio_scsi.c:531:48: error: dereferencing pointer to
> >> incomplete type
> cmd_pi->pi_bytesout = blk_rq_sectors(rq) * bi->tuple_size;
> ^
> >> drivers/scsi/virtio_scsi.c:533:47: error: dereferencing pointer to
> >> incomplete type
> cmd_pi->pi_bytesin = blk_rq_sectors(rq) * bi->tuple_size;
> ^
>
> vim +531 drivers/scsi/virtio_scsi.c
>
> 525 if (!rq || !scsi_prot_sg_count(sc))
> 526 return;
> 527
> 528 bi = blk_get_integrity(rq->rq_disk);
> 529
> 530 if (sc->sc_data_direction == DMA_TO_DEVICE)
> > 531 cmd_pi->pi_bytesout = blk_rq_sectors(rq) *
> bi->tuple_size;
> 532 else if (sc->sc_data_direction == DMA_FROM_DEVICE)
> > 533 cmd_pi->pi_bytesin = blk_rq_sectors(rq) *
> bi->tuple_size;
> 534 }
> 535
> 536 static int virtscsi_queuecommand(struct virtio_scsi *vscsi,
>
Squashing the following into the original commit to enable blk-integrity
for virtio-scsi to address the randconfig build failure above.
Thanks!
--nab
diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
index 02832d6..baca589 100644
--- a/drivers/scsi/Kconfig
+++ b/drivers/scsi/Kconfig
@@ -1773,6 +1773,7 @@ config SCSI_BFA_FC
config SCSI_VIRTIO
tristate "virtio-scsi support"
depends on VIRTIO
+ select BLK_DEV_INTEGRITY
help
This is the virtual HBA driver for virtio. If the kernel will
be used in a virtual machine, say Y or M.
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