From: Mike Anderson <andmike@us.ibm.com>
Date: Mon, 27 Mar 2006 09:17:52 +0000 (-0800)
Subject: [PATCH] dm: store md name
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=7e51f257e87297a5b6fe6d136a8ef67206aaf3a8;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

[PATCH] dm: store md name

The patch stores a printable device number in struct mapped_device for use in
warning messages and with a proposed netlink interface.

Signed-off-by: Mike Anderson <andmike@us.ibm.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 48be69f3bcfa..f140d499602a 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -69,6 +69,7 @@ struct mapped_device {
 
 	request_queue_t *queue;
 	struct gendisk *disk;
+	char name[16];
 
 	void *interface_ptr;
 
@@ -842,6 +843,7 @@ static struct mapped_device *alloc_dev(unsigned int minor, int persistent)
 	md->disk->private_data = md;
 	sprintf(md->disk->disk_name, "dm-%d", minor);
 	add_disk(md->disk);
+	format_dev_t(md->name, MKDEV(_major, minor));
 
 	atomic_set(&md->pending, 0);
 	init_waitqueue_head(&md->wait);