[PATCH 3/5] block: stop using bdevname in drbd_report_io_error

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Use the %pg format specifier to save on stack consuption and code size.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
 drivers/block/drbd/drbd_req.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c
index c00ae8619519e..82a9adb7d55ce 100644
--- a/drivers/block/drbd/drbd_req.c
+++ b/drivers/block/drbd/drbd_req.c
@@ -511,16 +511,14 @@ static void mod_rq_state(struct drbd_request *req, struct bio_and_error *m,
 
 static void drbd_report_io_error(struct drbd_device *device, struct drbd_request *req)
 {
-        char b[BDEVNAME_SIZE];
-
 	if (!__ratelimit(&drbd_ratelimit_state))
 		return;
 
-	drbd_warn(device, "local %s IO error sector %llu+%u on %s\n",
+	drbd_warn(device, "local %s IO error sector %llu+%u on %pg\n",
 			(req->rq_state & RQ_WRITE) ? "WRITE" : "READ",
 			(unsigned long long)req->i.sector,
 			req->i.size >> 9,
-			bdevname(device->ldev->backing_bdev, b));
+			device->ldev->backing_bdev);
 }
 
 /* Helper for HANDED_OVER_TO_NETWORK.
-- 
2.30.2




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