blktrace: use BLKTRACE_BDEV_SIZE as the name size for setup structure

Define as 32, which is is what BDEVNAME_SIZE is/was as well. This keeps
the user interface the same and gets rid of the difference between
kernel and user api here.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

1 files changed, 3 insertions, 5 deletions

diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h
index a2a7d0ca2758..3a31eb506164 100644
--- a/include/linux/blktrace_api.h
+++ b/include/linux/blktrace_api.h
@@ -122,15 +122,13 @@ enum {
         Blktrace_stopped,
 };
 
+#define BLKTRACE_BDEV_SIZE      32
+
 /*
  * User setup structure passed with BLKTRACESTART
  */
 struct blk_user_trace_setup {
-#ifdef __KERNEL__
-        char name[BDEVNAME_SIZE];       /* output */
-#else
-        char name[32];                  /* output */
-#endif
+        char name[BLKTRACE_BDEV_SIZE];  /* output */
         __u16 act_mask;                 /* input */
         __u32 buf_size;                 /* input */
         __u32 buf_nr;                   /* input */