summaryrefslogtreecommitdiffstats
path: root/block/cfq-iosched.c
diff options
context:
space:
mode:
Diffstat (limited to 'block/cfq-iosched.c')
-rw-r--r--block/cfq-iosched.c21
1 files changed, 14 insertions, 7 deletions
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index eb07eb64e85b..901286b5f5cb 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -573,14 +573,21 @@ static inline void cfqg_put(struct cfq_group *cfqg)
return blkg_put(cfqg_to_blkg(cfqg));
}
-#define cfq_log_cfqq(cfqd, cfqq, fmt, args...) \
+#define cfq_log_cfqq(cfqd, cfqq, fmt, args...) do { \
+ char __pbuf[128]; \
+ \
+ blkg_path(cfqg_to_blkg((cfqq)->cfqg), __pbuf, sizeof(__pbuf)); \
blk_add_trace_msg((cfqd)->queue, "cfq%d%c %s " fmt, (cfqq)->pid, \
- cfq_cfqq_sync((cfqq)) ? 'S' : 'A', \
- blkg_path(cfqg_to_blkg((cfqq)->cfqg)), ##args)
-
-#define cfq_log_cfqg(cfqd, cfqg, fmt, args...) \
- blk_add_trace_msg((cfqd)->queue, "%s " fmt, \
- blkg_path(cfqg_to_blkg((cfqg))), ##args) \
+ cfq_cfqq_sync((cfqq)) ? 'S' : 'A', \
+ __pbuf, ##args); \
+} while (0)
+
+#define cfq_log_cfqg(cfqd, cfqg, fmt, args...) do { \
+ char __pbuf[128]; \
+ \
+ blkg_path(cfqg_to_blkg(cfqg), __pbuf, sizeof(__pbuf)); \
+ blk_add_trace_msg((cfqd)->queue, "%s " fmt, __pbuf, ##args); \
+} while (0)
static inline void cfqg_stats_update_io_add(struct cfq_group *cfqg,
struct cfq_group *curr_cfqg, int rw)