compile nvme 4.13 appear error

[Keith Busch]

On Mon, Sep 18, 2017 at 09:02:15PM +0800, Tony Yang wrote:
> Dear All
> 
>   I at redhat 6.5 ,kernel is 2.6.32-431.el6.x86_64，I comile nvme 4.13
> appear this error:
> 
> [root at cescel03 nvme-nvme-4.13]# make
>   CHK     include/config/kernel.release
>   CHK     include/generated/uapi/linux/version.h
>   CHK     include/generated/utsrelease.h
>   CHK     include/generated/bounds.h
>   CHK     include/generated/timeconst.h
>   CHK     include/generated/asm-offsets.h
>   CALL    scripts/checksyscalls.sh
>   CHK     scripts/mod/devicetable-offsets.h
>   CHK     include/generated/compile.h
>   AR      drivers/nvme/host/built-in.o
>   CC [M]  drivers/nvme/host/core.o
> drivers/nvme/host/core.c: In function ‘nvme_alloc_mpath_ns’:
> drivers/nvme/host/core.c:3111: error: ‘NVME_FAILOVER_RETRIES’
> undeclared (first use in this function)
> drivers/nvme/host/core.c:3111: error: (Each undeclared identifier is
> reported only once
> drivers/nvme/host/core.c:3111: error: for each function it appears in.)
> drivers/nvme/host/core.c: In function ‘nvme_trigger_failover’:
> drivers/nvme/host/core.c:3277: error: ‘NVME_FAILOVER_RETRIES’
> undeclared (first use in this function)
> make[3]: *** [drivers/nvme/host/core.o] Error 1
> make[2]: *** [drivers/nvme/host] Error 2
> make[1]: *** [drivers/nvme] Error 2
> make: *** [drivers] Error 2

Not sure where you got this source. The 4.13 kernel doesn't contain an
nvme driver with such errors, so it looks like whoever packaged up your
source really botched it up from applying out-of-tree stuff.