From d2e1446d81725c351dc73a03b397ce043fb18452 Mon Sep 17 00:00:00 2001 From: Meizu OpenSource Date: Mon, 15 Aug 2016 10:19:42 +0800 Subject: first commit --- include/linux/migrate_mode.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) create mode 100644 include/linux/migrate_mode.h (limited to 'include/linux/migrate_mode.h') diff --git a/include/linux/migrate_mode.h b/include/linux/migrate_mode.h new file mode 100644 index 000000000..ebf3d89a3 --- /dev/null +++ b/include/linux/migrate_mode.h @@ -0,0 +1,16 @@ +#ifndef MIGRATE_MODE_H_INCLUDED +#define MIGRATE_MODE_H_INCLUDED +/* + * MIGRATE_ASYNC means never block + * MIGRATE_SYNC_LIGHT in the current implementation means to allow blocking + * on most operations but not ->writepage as the potential stall time + * is too significant + * MIGRATE_SYNC will block when migrating pages + */ +enum migrate_mode { + MIGRATE_ASYNC, + MIGRATE_SYNC_LIGHT, + MIGRATE_SYNC, +}; + +#endif /* MIGRATE_MODE_H_INCLUDED */ -- cgit v1.2.3