From: Greg KH <greg@kroah.com>
To: dann frazier <dann.frazier@canonical.com>
Cc: linux-kernel@vger.kernel.org, devel@driverdev.osuosl.org,
Peng Tao <bergwolf@gmail.com>,
Andreas Dilger <andreas.dilger@intel.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: lustre virtual block device doesn't build w/ CONFIG_ARM64_64K_PAGES=y
Date: Thu, 19 Jun 2014 12:10:51 -0700 [thread overview]
Message-ID: <20140619191051.GA26573@kroah.com> (raw)
In-Reply-To: <20140619183321.GA23200@fluid.dannf>
On Thu, Jun 19, 2014 at 12:33:21PM -0600, dann frazier wrote:
> With current git, lustre fails to build with CONFIG_ARM64_64K_PAGES=y
> and CONFIG_LUSTRE_LLITE_LLOOP=m:
>
> make -f scripts/Makefile.build obj=drivers/staging/lustre/lustre/llite
> gcc -Wp,-MD,drivers/staging/lustre/lustre/llite/.lloop.o.d -nostdinc -isystem /usr/lib/gcc/aarch64-linux-gnu/4.8/include -I./arch/arm64/include -Iarch/arm64/include/generated -Iinclude -I./arch/arm64/include/uapi -Iarch/arm64/include/generated/uapi -I./include/uapi -Iinclude/generated/uapi -include ./include/linux/kconfig.h -D__KERNEL__ -mlittle-endian -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -Werror-implicit-function-declaration -Wno-format-security -mgeneral-regs-only -fno-delete-null-pointer-checks -O2 -Wframe-larger-than=1024 -fno-stack-protector -Wno-unused-but-set-variable -fno-omit-frame-pointer -fno-optimize-sibling-calls -g -Wdeclaration-after-statement -Wno-pointer-sign -fno-strict-overflow -fconserve-stack -Werror=implicit-int -Werror=strict-prototypes -Idrivers/staging/lustre/include/ -Idrivers/staging/lustre/lustre/llite/../include -DMODULE -D"KBUILD_STR(s)=#s" -D"KBUILD_BASENAME=KBUILD_STR(lloop)" -D"KBUILD_MODNAME=KBUILD_STR(llite_lloop)" -c -o drivers/staging/lustre/lustre/llite/.tmp_lloop.o drivers/staging/lustre/lustre/llite/lloop.c
> drivers/staging/lustre/lustre/llite/lloop.c: In function ‘loop_set_fd’:
> drivers/staging/lustre/lustre/llite/lloop.c:523:78: error: duplicate case value
> CLASSERT(PAGE_CACHE_SIZE < (1 << (sizeof(unsigned short) * 8)));
> ^
> 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...
greg k-h
next prev parent reply other threads:[~2014-06-19 19:07 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-19 18:33 lustre virtual block device doesn't build w/ CONFIG_ARM64_64K_PAGES=y dann frazier
2014-06-19 19:10 ` Greg KH [this message]
2014-06-20 12:23 ` [PATCH] staging/lustre: disable virtual block device for 64K pages Arnd Bergmann
2014-06-27 11:20 ` Dilger, Andreas
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