Discard devnum in favour of devnm

We widely use a "devnum" which is 0 or +ve for md%d devices
and -ve for md_d%d devices.
But I want to be able to use md_%s device names.

So get rid of devnum (a number) and use devnm (a 32char string).
eg.
  md0
  md_d2
  md_home

Signed-off-by: NeilBrown <neilb@suse.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/Build.c b/Build.c
index 1887822c..5c97d630 100644
--- a/Build.c
+++ b/Build.c
@@ -115,7 +115,7 @@ int Build(char *mddev, struct mddev_dev *devlist,
 	}
 	mddev = chosen_name;
 
-	map_update(&map, fd2devnum(mdfd), "none", uuid, chosen_name);
+	map_update(&map, fd2devnm(mdfd), "none", uuid, chosen_name);
 	map_unlock(&map);
 
 	vers = md_get_version(mdfd);