Merge branch 'for-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux

[cascardo/linux.git] / block / blk-throttle.c

diff --git a/block/blk-throttle.c b/block/blk-throttle.c
index 2149a1d..47a3e54 100644 (file)
--- a/block/blk-throttle.c
+++ b/block/blk-throttle.c
@@ -211,15 +211,14 @@ static struct throtl_data *sq_to_td(struct throtl_service_queue *sq)
  *
  * The messages are prefixed with "throtl BLKG_NAME" if @sq belongs to a
  * throtl_grp; otherwise, just "throtl".
- *
- * TODO: this should be made a function and name formatting should happen
- * after testing whether blktrace is enabled.
  */
 #define throtl_log(sq, fmt, args...)   do {                            \
        struct throtl_grp *__tg = sq_to_tg((sq));                       \
        struct throtl_data *__td = sq_to_td((sq));                      \
                                                                        \
        (void)__td;                                                     \
+       if (likely(!blk_trace_note_message_enabled(__td->queue)))       \
+               break;                                                  \
        if ((__tg)) {                                                   \
                char __pbuf[128];                                       \
                                                                        \