dnl #
dnl # Preferred interface for setting FAILFAST on a bio:
-dnl # 2.6.12-2.6.27: BIO_RW_FAILFAST
dnl # 2.6.28-2.6.35: BIO_RW_FAILFAST_{DEV|TRANSPORT|DRIVER}
-dnl # 2.6.36-2.6.xx: REQ_FAILFAST_{DEV|TRANSPORT|DRIVER}
+dnl # >= 2.6.36: REQ_FAILFAST_{DEV|TRANSPORT|DRIVER}
dnl #
-AC_DEFUN([ZFS_AC_KERNEL_BIO_FAILFAST], [
- AC_MSG_CHECKING([whether BIO_RW_FAILFAST is defined])
- ZFS_LINUX_TRY_COMPILE([
- #include <linux/bio.h>
- ],[
- int flags __attribute__ ((unused));
- flags = (1 << BIO_RW_FAILFAST);
- ],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_BIO_RW_FAILFAST, 1,
- [BIO_RW_FAILFAST is defined])
- ],[
- AC_MSG_RESULT(no)
- ])
-])
AC_DEFUN([ZFS_AC_KERNEL_BIO_FAILFAST_DTD], [
AC_MSG_CHECKING([whether BIO_RW_FAILFAST_* are defined])
flags = REQ_FAILFAST_MASK;
],[
AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_BIO_REQ_FAILFAST_MASK, 1,
+ AC_DEFINE(HAVE_REQ_FAILFAST_MASK, 1,
[REQ_FAILFAST_MASK is defined])
],[
AC_MSG_RESULT(no)