The patch looks mostly OK, though I see there is also a CONFIG_PPC_256K_PAGES define that should probably be handled. Cheers, Andreas On 2014/06/20, 6:23 AM, "Arnd Bergmann" <arnd@xxxxxxxx> wrote: >The lustre virtual block device cannot handle 64K pages and fails at >compile >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@xxxxxxxxxxxxx> >Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> > >--- >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 >>used here >> > 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 >> anyway... > >something like this? > >diff --git a/drivers/staging/lustre/lustre/Kconfig >b/drivers/staging/lustre/lustre/Kconfig >index 209e4c7..4f65ba1 100644 >--- a/drivers/staging/lustre/lustre/Kconfig >+++ b/drivers/staging/lustre/lustre/Kconfig >@@ -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 > > Cheers, Andreas -- Andreas Dilger Lustre Software Architect Intel High Performance Data Division _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel