Re: linux-next: build failure after merge of the block tree

From: Jens Axboe
Date: Sun Jan 29 2017 - 20:54:37 EST


On 01/29/2017 06:43 PM, Stephen Rothwell wrote:
> Hi Jens,
>
> After merging the block tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
>
> drivers/nvme/host/scsi.c: In function 'nvme_scsi_translate':
> drivers/nvme/host/scsi.c:2350:9: error: 'BLK_MAX_CDB' undeclared (first use in this function)
> u8 cmd[BLK_MAX_CDB];
> ^
> drivers/nvme/host/scsi.c:2350:9: note: each undeclared identifier is reported only once for each function it appears in
> drivers/nvme/host/scsi.c:2350:5: warning: unused variable 'cmd' [-Wunused-variable]
> u8 cmd[BLK_MAX_CDB];
> ^
> drivers/nvme/host/scsi.c: In function 'nvme_sg_io':
> drivers/nvme/host/scsi.c:2454:20: error: 'BLK_MAX_CDB' undeclared (first use in this function)
> if (hdr.cmd_len > BLK_MAX_CDB)
> ^
>
> Caused by commit
>
> 82ed4db499b8 ("block: split scsi_request out of struct request")
>
> I have used the block tree from next-20170125 for today.

Huh, I wonder how that snuck past my allmodconfig builds, that looks
like a clear failure.


--
Jens Axboe