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Date: Wed, 18 Jun 2008 14:09:07 -0700
From: Randy Dunlap <randy.dunlap@...cle.com>
To: ankita@...ibm.com, akpm <akpm@...ux-foundation.org>
Cc: lkml <linux-kernel@...r.kernel.org>
Subject: [PATCH -next] lkdtm: fix for CONFIG_SCSI=n
From: Randy Dunlap <randy.dunlap@...cle.com>
Fix lkdtm test code for case of CONFIG_SCSI=n, to avoid build errors:
In file included from linux-next-20080618/tests/lkdtm.c:55:
linux-next-20080618/include/scsi/scsi_cmnd.h:28:25: warning: "BLK_MAX_CDB" is not defined
linux-next-20080618/include/scsi/scsi_cmnd.h:29:3: error: #error MAX_COMMAND_SIZE can not be bigger than BLK_MAX_CDB
In file included from linux-next-20080618/tests/lkdtm.c:55:
linux-next-20080618/include/scsi/scsi_cmnd.h: In function 'scsi_bidi_cmnd':
linux-next-20080618/include/scsi/scsi_cmnd.h:183: error: implicit declaration of function 'blk_bidi_rq'
linux-next-20080618/include/scsi/scsi_cmnd.h:184: error: dereferencing pointer to incomplete type
linux-next-20080618/include/scsi/scsi_cmnd.h: In function 'scsi_in':
linux-next-20080618/include/scsi/scsi_cmnd.h:190: error: dereferencing pointer to incomplete type
make[2]: *** [tests/lkdtm.o] Error 1
Signed-off-by: Randy Dunlap <randy.dunlap@...cle.com>
---
tests/lkdtm.c | 8 ++++++++
1 file changed, 8 insertions(+)
--- linux-next-20080618.orig/tests/lkdtm.c
+++ linux-next-20080618/tests/lkdtm.c
@@ -52,7 +52,9 @@
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/hrtimer.h>
+#ifdef CONFIG_SCSI
#include <scsi/scsi_cmnd.h>
+#endif
#ifdef CONFIG_IDE
#include <linux/ide.h>
@@ -175,12 +177,14 @@ static int jp_hrtimer_start(struct hrtim
return 0;
}
+#ifdef CONFIG_SCSI
static int jp_scsi_dispatch_cmd(struct scsi_cmnd *cmd)
{
lkdtm_handler();
jprobe_return();
return 0;
}
+#endif
#ifdef CONFIG_IDE
int jp_generic_ide_ioctl(ide_drive_t *drive, struct file *file,
@@ -307,8 +311,12 @@ static int __init lkdtm_module_init(void
lkdtm.entry = (kprobe_opcode_t*) jp_hrtimer_start;
break;
case SCSI_DISPATCH_CMD:
+#ifdef CONFIG_SCSI
lkdtm.kp.symbol_name = "scsi_dispatch_cmd";
lkdtm.entry = (kprobe_opcode_t*) jp_scsi_dispatch_cmd;
+#else
+ printk(KERN_INFO "lkdtm : Crash point not available\n");
+#endif
break;
case IDE_CORE_CP:
#ifdef CONFIG_IDE
---
~Randy
Linux Plumbers Conference, 17-19 September 2008, Portland, Oregon USA
http://linuxplumbersconf.org/
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