1 files changed, 17 insertions, 1 deletions

diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h
index 416bf62d6d46..3395cf7130f5 100644
--- a/include/linux/blktrace_api.h
+++ b/include/linux/blktrace_api.h
@@ -5,6 +5,7 @@
 #ifdef __KERNEL__
 #include <linux/blkdev.h>
 #include <linux/relay.h>
+#include <linux/compat.h>
 #endif
 
 /*
@@ -220,11 +221,26 @@ static inline int blk_trace_init_sysfs(struct device *dev)
 
 #endif /* CONFIG_BLK_DEV_IO_TRACE */
 
+#ifdef CONFIG_COMPAT
+
+struct compat_blk_user_trace_setup {
+        char name[32];
+        u16 act_mask;
+        u32 buf_size;
+        u32 buf_nr;
+        compat_u64 start_lba;
+        compat_u64 end_lba;
+        u32 pid;
+};
+#define BLKTRACESETUP32 _IOWR(0x12, 115, struct compat_blk_user_trace_setup)
+
+#endif
+
 #if defined(CONFIG_EVENT_TRACING) && defined(CONFIG_BLOCK)
 
 static inline int blk_cmd_buf_len(struct request *rq)
 {
-        return blk_pc_request(rq) ? rq->cmd_len * 3 : 1;
+        return (rq->cmd_type == REQ_TYPE_BLOCK_PC) ? rq->cmd_len * 3 : 1;
 }
 
 extern void blk_dump_cmd(char *buf, struct request *rq);