[PATCH] staging/lustre: disable virtual block device for 64K pages
andreas.dilger at intel.com
Fri Jun 27 04:20:06 PDT 2014
The patch looks mostly OK, though I see there is also a
define that should probably be handled.
On 2014/06/20, 6:23 AM, "Arnd Bergmann" <arnd at arndb.de> wrote:
>The lustre virtual block device cannot handle 64K pages and fails at
>time. To avoid running into this error, let's disable the Kconfig option
>for this driver in cases it doesn't support.
>Reported-by: Dann Frazier <dann.frazier at canonical.com>
>Signed-off-by: Arnd Bergmann <arnd at arndb.de>
>On Thursday 19 June 2014 12:10:51 Greg KH wrote:
>> On Thu, Jun 19, 2014 at 12:33:21PM -0600, dann frazier wrote:
>> > drivers/staging/lustre/lustre/llite/lloop.c:523:18: error: previously
>> > CLASSERT(PAGE_CACHE_SIZE < (1 << (sizeof(unsigned short) * 8)));
>> > ^
>> Looks like lustre can't handle 64K page sizes, so it refuses to build :(
>> I sugest turning this code off, you really don't want to be running it
>something like this?
>diff --git a/drivers/staging/lustre/lustre/Kconfig
>index 209e4c7..4f65ba1 100644
>@@ -57,4 +57,5 @@ config LUSTRE_TRANSLATE_ERRNOS
> config LUSTRE_LLITE_LLOOP
> tristate "Lustre virtual block device"
> depends on LUSTRE_FS && BLOCK
>+ depends on !PPC_64K_PAGES && !ARM64_64K_PAGES
> default m
Lustre Software Architect
Intel High Performance Data Division
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