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[S390] set ARCH_HAS_SG_CHAIN for s390 

Set ARCH_HAS_SG_CHAIN for scatter lists on s390. Without this flag the
SCSI code limits the maximum number of segments, so set it to make
proper use of the FCP channel hardware.

Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Christof Schmitt 2010-10-25 16:10:10 +02:00 committed by Martin Schwidefsky
parent 014859430b
commit 87799ebab7
1 changed files with 2 additions and 0 deletions
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2
arch/s390/include/asm/scatterlist.h
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@ -1 +1,3 @@
#include <asm-generic/scatterlist.h>
#define ARCH_HAS_SG_CHAIN