[PATCH] init/do_mounts.c: add maj:min syntax comment

[Sebastian Capella]

The name_to_dev_t function has a comment block which lists the
supported syntaxes for the device name.  Add a bullet for
the <major>:<minor> syntax, which is already supported in the code

Signed-off-by: Sebastian Capella <sebastian.capella@xxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Stephen Warren <swarren@xxxxxxxxxx>
Cc: Jens Axboe <axboe@xxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
---
 init/do_mounts.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/init/do_mounts.c b/init/do_mounts.c
index 816014c..89dc3a6 100644
--- a/init/do_mounts.c
+++ b/init/do_mounts.c
@@ -195,6 +195,8 @@ done:
  *	   is a zero-filled hex representation of the 1-based partition number.
  *	7) PARTUUID=<UUID>/PARTNROFF=<int> to select a partition in relation to
  *	   a partition with a known unique id.
+ *	8) <major>:<minor> major and minor number of the device separated by
+ *	   a colon.
  *
  *	If name doesn't have fall into the categories above, we return (0,0).
  *	block_class is used to check if something is a disk name. If the disk
-- 
1.7.9.5

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