block: null_blk: Cleanup messages
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@opensource.wdc.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Link: https://lore.kernel.org/r/20220420005718.3780004-4-damien.lemoal@opensource.wdc.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/drivers/block/null_blk/zoned.c b/drivers/block/null_blk/zoned.c
index dae54dd..ed158ea 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;
}
