Use the pr_fmt() macro to prefix all null_blk pr_xxx() messages with
"null_blk:" to clarify which module is printing the messages. Also add
a pr_info() message in null_add_dev() to print the name of a newly
created disk.
Signed-off-by: Damien Le Moal <damien.lemoal@xxxxxxxxxxxxxxxxxx>
---
drivers/block/null_blk/main.c | 5 +++++
drivers/block/null_blk/zoned.c | 7 +++++--
2 files changed, 10 insertions(+), 2 deletions(-)
diff --git a/drivers/block/null_blk/main.c b/drivers/block/null_blk/main.c
index 4d6bc94086da..7bc36d5114a9 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"
+#undef pr_fmt
+#define pr_fmt(fmt) "null_blk: " fmt
+
#define FREE_BATCH 16
#define TICKS_PER_SEC 50ULL
@@ -2071,6 +2074,8 @@ static int null_add_dev(struct nullb_device *dev)
list_add_tail(&nullb->list, &nullb_list);
mutex_unlock(&lock);
+ pr_info("disk %s created\n", nullb->disk_name);
+
return 0;
out_cleanup_zone:
null_free_zoned_dev(dev);
diff --git a/drivers/block/null_blk/zoned.c b/drivers/block/null_blk/zoned.c
index dae54dd1aeac..ed158ea4fdd1 100644
--- a/drivers/block/null_blk/zoned.c
+++ b/drivers/block/null_blk/zoned.c
@@ -6,6 +6,9 @@
#define CREATE_TRACE_POINTS
#include "trace.h"
+#undef pr_fmt
+#define pr_fmt(fmt) "null_blk: " fmt
+
static inline sector_t mb_to_sects(unsigned long mb)
{
return ((sector_t)mb * SZ_1M) >> SECTOR_SHIFT;
@@ -75,8 +78,8 @@ int null_init_zoned_dev(struct nullb_device *dev, struct request_queue *q)
dev->zone_capacity = dev->zone_size;
if (dev->zone_capacity > dev->zone_size) {
- pr_err("null_blk: zone capacity (%lu MB) larger than zone size (%lu MB)\n",
- dev->zone_capacity, dev->zone_size);
+ pr_err("zone capacity (%lu MB) larger than zone size (%lu MB)\n",
+ dev->zone_capacity, dev->zone_size);
return -EINVAL;
}
--
2.35.1
