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[S390] set ARCH_HAS_SG_CHAIN for s390
authorChristof Schmitt <christof.schmitt@de.ibm.com>
Mon, 25 Oct 2010 14:10:10 +0000 (16:10 +0200)
committerMartin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com>
Mon, 25 Oct 2010 14:10:15 +0000 (16:10 +0200)
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>
arch/s390/include/asm/scatterlist.h patch | blob | history

diff --git a/arch/s390/include/asm/scatterlist.h b/arch/s390/include/asm/scatterlist.h
index 35d786f..6d45ef6 100644 (file)
--- a/arch/s390/include/asm/scatterlist.h
+++ b/arch/s390/include/asm/scatterlist.h
@@ -1 +1,3 @@
 #include <asm-generic/scatterlist.h>
+
+#define ARCH_HAS_SG_CHAIN
Domain: System / Kernel;