2 dnl # 2.6.31 API change
3 dnl # Request queue peek/retrieval interface cleanup, the
4 dnl # elv_requeue_request() function has been replaced with the
5 dnl # blk_requeue_request() function.
7 AC_DEFUN([ZFS_AC_KERNEL_BLK_REQUEUE_REQUEST], [
8 AC_MSG_CHECKING([whether blk_requeue_request() is available])
9 ZFS_LINUX_TRY_COMPILE([
10 #include <linux/blkdev.h>
12 struct request_queue *q = NULL;
13 struct request *req = NULL;
14 blk_requeue_request(q, req);
17 AC_DEFINE(HAVE_BLK_REQUEUE_REQUEST, 1,
18 [blk_requeue_request() is available])