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dnl #
dnl # 2.6.31 API change
dnl #
AC_DEFUN([ZFS_AC_KERNEL_BLK_RQ_SECTORS], [
AC_MSG_CHECKING([whether blk_rq_sectors() is available])
ZFS_LINUX_TRY_COMPILE([
#include <linux/blkdev.h>
],[
struct request *req = NULL;
(void) blk_rq_sectors(req);
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_BLK_RQ_SECTORS, 1,
[blk_rq_sectors() is available])
],[
AC_MSG_RESULT(no)
])
])
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