[PATCH 3/3] [RFC] fs: print preferred name in procfs messages

[Nao Nishijima]

Make disk_name() return preferred name instead of disk_name
when preferred name is set. disk_name() is used in
/proc/{partitions, diskstats}. Therefore, those files show
preferred name.

Suggested-by: James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Nao Nishijima <nao.nishijima.xt@xxxxxxxxxxx>
---

 fs/partitions/check.c |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/fs/partitions/check.c b/fs/partitions/check.c
index d545e97..4ffdcf4 100644
--- a/fs/partitions/check.c
+++ b/fs/partitions/check.c
@@ -125,11 +125,13 @@ static int (*check_part[])(struct parsed_partitions *) = {
 char *disk_name(struct gendisk *hd, int partno, char *buf)
 {
 	if (!partno)
-		snprintf(buf, BDEVNAME_SIZE, "%s", hd->disk_name);
+		snprintf(buf, BDEVNAME_SIZE, "%s", dev_name(disk_to_dev(hd)));
 	else if (isdigit(hd->disk_name[strlen(hd->disk_name)-1]))
-		snprintf(buf, BDEVNAME_SIZE, "%sp%d", hd->disk_name, partno);
+		snprintf(buf, BDEVNAME_SIZE, "%sp%d", dev_name(disk_to_dev(hd)),
+			partno);
 	else
-		snprintf(buf, BDEVNAME_SIZE, "%s%d", hd->disk_name, partno);
+		snprintf(buf, BDEVNAME_SIZE, "%s%d", dev_name(disk_to_dev(hd)),
+			partno);
 
 	return buf;
 }

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