#define DOWN_READ_I_ALLOC_SEM(i) down_read(&(i)->i_alloc_sem)
#define LASSERT_I_ALLOC_SEM_READ_LOCKED(i) LASSERT(down_write_trylock(&(i)->i_alloc_sem) == 0)
-#ifndef HAVE_GRAB_CACHE_PAGE_NOWAIT_GFP
-#define grab_cache_page_nowait_gfp(x, y, z) grab_cache_page_nowait((x), (y))
-#endif
-
#include <linux/mpage.h> /* for generic_writepages */
#ifndef HAVE_FILEMAP_FDATAWRITE_RANGE
#include <linux/backing-dev.h> /* for mapping->backing_dev_info */