list: Introduce list_rotate_left()
authorFrederic Weisbecker <fweisbec@gmail.com>
Sat, 9 Jan 2010 19:53:14 +0000 (20:53 +0100)
committerFrederic Weisbecker <fweisbec@gmail.com>
Sat, 16 Jan 2010 11:29:32 +0000 (12:29 +0100)
commit5908cdc85eb30f8d07f2cb11d4a62334d7229048
tree6d63ec247a47b957bea52578e77c8d6bda942eb0
parent889ff0150661512d79484219612b7e2e024b6c07
list: Introduce list_rotate_left()

Bring a new list_rotate_left() helper that rotates a list to
the left. This is useful for codes that need to round roubin
elements which queue priority increases from tail to head.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Arnaldo Carvalho de Melo <acme@infradead.org>
include/linux/list.h