resume: Add support for resume_offset swap file suspend to disk.

Parse cmdline for resume_offset, export it and pass it to
the klibc resume binary.
Based on a patch by Alan Jenkins <alan-jenkins@tuffmail.co.uk>.

Bonus small codingstyle clean up of local-premount/resume.

1 files changed, 4 insertions, 0 deletions

diff --git a/init b/init
index 3a93ef8..70f4384 100755
--- a/init
+++ b/init
@@ -50,6 +50,7 @@ export rootmnt=/root
 export debug=
 export panic=
 export blacklist=
+export resume_offset=
 
 # Parse command line options
 for x in $(cat /proc/cmdline); do
@@ -97,6 +98,9 @@ for x in $(cat /proc/cmdline); do
 	resume=*)
 		RESUME="${x#resume=}"
 		;;
+	resume_offset=*)
+		resume_offset="${x#resume_offset=}"
+		;;
 	noresume)
 		noresume=y
 		;;