[PATCH] Add include/linux/freezer.h and move definitions from sched.h

Move process freezing functions from include/linux/sched.h to freezer.h, so
that modifications to the freezer or the kernel configuration don't require
recompiling just about everything.

[akpm@osdl.org: fix ueagle driver]
Signed-off-by: Nigel Cunningham <nigel@suspend2.net>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c
index eef4a0b..b971237 100644
--- a/fs/xfs/linux-2.6/xfs_buf.c
+++ b/fs/xfs/linux-2.6/xfs_buf.c
@@ -32,6 +32,7 @@
 #include <linux/kthread.h>
 #include <linux/migrate.h>
 #include <linux/backing-dev.h>
+#include <linux/freezer.h>
 
 STATIC kmem_zone_t *xfs_buf_zone;
 STATIC kmem_shaker_t xfs_buf_shake;