#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 */ |