[dm-devel] [PATCH] dm-integrity: print device name in integrity error message.

[device-mapper at eckner.net]

From: Erich Eckner <git at eckner.net>

Similar to f710126cfc89c8df477002a26dee8407eb0b4acd, this message should
also better identify the device with the integrity failure.
---
 drivers/md/dm-integrity.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c
index b225b3e445fa..92f16315ee1b 100644
--- a/drivers/md/dm-integrity.c
+++ b/drivers/md/dm-integrity.c
@@ -1563,7 +1563,9 @@ static void integrity_metadata(struct work_struct *w)
 						checksums_ptr - checksums, !dio->write ? TAG_CMP : TAG_WRITE);
 			if (unlikely(r)) {
 				if (r > 0) {
-					DMERR_LIMIT("Checksum failed at sector 0x%llx",
+					char b[BDEVNAME_SIZE];
+					DMERR_LIMIT("%s: Checksum failed at sector 0x%llx",
+						    bio_devname(bio, b),
 						    (unsigned long long)(sector - ((r + ic->tag_size - 1) / ic->tag_size)));
 					r = -EILSEQ;
 					atomic64_inc(&ic->number_of_mismatches);
-- 
2.25.0