[patch added to the 3.12 stable tree] staging/lustre: disable virtual block device for 64K pages

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From: Arnd Bergmann <arnd@xxxxxxxx>

This patch has been added to the 3.12 stable tree. If you have any
objections, please let us know.

===============

commit 0bf22be0da8ea74bc7ccc5b07d7855830be16eca upstream.

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>
Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
---
 drivers/staging/lustre/lustre/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/staging/lustre/lustre/Kconfig b/drivers/staging/lustre/lustre/Kconfig
index 2156a44d0740..3e0e607c1f29 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
 	bool "Lustre virtual block device"
 	depends on LUSTRE_FS && BLOCK
+	depends on !PPC_64K_PAGES && !ARM64_64K_PAGES
 	default m
-- 
2.1.1

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