From: Nitesh Shetty <nj.shetty@xxxxxxxxxxx>
This is a prep patch to enable copy trace capability.
At present only zoned null_block is using trace, so we decoupled trace
and zoned dependency to make it usable in null_blk driver also.
Reviewed-by: Hannes Reinecke <hare@xxxxxxx>
Signed-off-by: Nitesh Shetty <nj.shetty@xxxxxxxxxxx>
Signed-off-by: Anuj Gupta <anuj20.g@xxxxxxxxxxx>
---
drivers/block/null_blk/Makefile | 2 --
drivers/block/null_blk/main.c | 3 +++
drivers/block/null_blk/trace.h | 2 ++
drivers/block/null_blk/zoned.c | 1 -
4 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/block/null_blk/Makefile b/drivers/block/null_blk/Makefile
index 84c36e512ab8..672adcf0ad24 100644
--- a/drivers/block/null_blk/Makefile
+++ b/drivers/block/null_blk/Makefile
@@ -5,7 +5,5 @@ ccflags-y += -I$(src)
obj-$(CONFIG_BLK_DEV_NULL_BLK) += null_blk.o
null_blk-objs := main.o
-ifeq ($(CONFIG_BLK_DEV_ZONED), y)
null_blk-$(CONFIG_TRACING) += trace.o
-endif
null_blk-$(CONFIG_BLK_DEV_ZONED) += zoned.o
diff --git a/drivers/block/null_blk/main.c b/drivers/block/null_blk/main.c
index 3021d58ca51c..1b40c674f62b 100644
--- a/drivers/block/null_blk/main.c
+++ b/drivers/block/null_blk/main.c
@@ -11,6 +11,9 @@
#include <linux/init.h>
#include "null_blk.h"
+#define CREATE_TRACE_POINTS
+#include "trace.h"
+
#undef pr_fmt
#define pr_fmt(fmt) "null_blk: " fmt
diff --git a/drivers/block/null_blk/trace.h b/drivers/block/null_blk/trace.h
index 6b2b370e786f..91446c34eac2 100644
--- a/drivers/block/null_blk/trace.h
+++ b/drivers/block/null_blk/trace.h
@@ -30,6 +30,7 @@ static inline void __assign_disk_name(char *name, struct gendisk *disk)
}
#endif
+#ifdef CONFIG_BLK_DEV_ZONED
TRACE_EVENT(nullb_zone_op,
TP_PROTO(struct nullb_cmd *cmd, unsigned int zone_no,
unsigned int zone_cond),
@@ -67,6 +68,7 @@ TRACE_EVENT(nullb_report_zones,
TP_printk("%s nr_zones=%u",
__print_disk_name(__entry->disk), __entry->nr_zones)
);
+#endif /* CONFIG_BLK_DEV_ZONED */
#endif /* _TRACE_NULLB_H */
diff --git a/drivers/block/null_blk/zoned.c b/drivers/block/null_blk/zoned.c
index 55c5b48bc276..9694461a31a4 100644
--- a/drivers/block/null_blk/zoned.c
+++ b/drivers/block/null_blk/zoned.c
@@ -3,7 +3,6 @@
#include <linux/bitmap.h>
#include "null_blk.h"
-#define CREATE_TRACE_POINTS
#include "trace.h"
#undef pr_fmt
--
2.35.1.500.gb896f729e2
