[PATCH 12/14] Make dm_test_device() accept /dev/dm-x being a dev node

[Phillip Susi <psusi@xxxxxxxxxx>]

Description: Testing with dm devices was failing on Ubuntu because
 /dev/dm-X is the actual device node, but the code wanted it to be
 a symlink.  Fixed dm_test_device() to test that the file ( or node
 it points to ) is a block device, which seems a much more
 appropriate test.

Index: b/1.0.0.rc16/lib/device/scan.c
===================================================================
--- a/1.0.0.rc16/lib/device/scan.c
+++ b/1.0.0.rc16/lib/device/scan.c
@@ -86,8 +86,8 @@
 {
 	struct stat s;
 
-	return !lstat(path, &s) &&
-		S_ISLNK(s.st_mode) &&
+	return !stat(path, &s) &&
+		S_ISBLK(s.st_mode) &&
 		!strncmp(get_basename(lc, path), "dm-", 3);
 }
 

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