summaryrefslogtreecommitdiff
path: root/include/asm-s390
diff options
context:
space:
mode:
authorJens Axboe <jens.axboe@oracle.com>2007-10-22 22:01:06 +0400
committerJens Axboe <jens.axboe@oracle.com>2007-10-22 23:20:03 +0400
commitd6ec084200c37683278c821338f74ddf21ab80f5 (patch)
tree931a112061e3a861768384b8b6ea20fdd35bd41b /include/asm-s390
parent18dabf473e15850c0dbc8ff13ac1e2806d542c15 (diff)
downloadlinux-d6ec084200c37683278c821338f74ddf21ab80f5.tar.xz
Add CONFIG_DEBUG_SG sg validation
Add a Kconfig entry which will toggle some sanity checks on the sg entry and tables. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'include/asm-s390')
-rw-r--r--include/asm-s390/scatterlist.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/asm-s390/scatterlist.h b/include/asm-s390/scatterlist.h
index eb3948690d6e..29ec8e28c8df 100644
--- a/include/asm-s390/scatterlist.h
+++ b/include/asm-s390/scatterlist.h
@@ -2,6 +2,9 @@
#define _ASMS390_SCATTERLIST_H
struct scatterlist {
+#ifdef CONFIG_DEBUG_SG
+ unsigned long sg_magic;
+#endif
unsigned long page_link;
unsigned int offset;
unsigned int length;