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dnl #
dnl # 5.12 API change removes BIO_MAX_PAGES in favor of bio_max_segs()
dnl # which will handle the logic of setting the upper-bound to a
dnl # BIO_MAX_PAGES, internally.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_BIO_MAX_SEGS], [
ZFS_LINUX_TEST_SRC([bio_max_segs], [
#include <linux/bio.h>
],[
bio_max_segs(1);
])
])
AC_DEFUN([ZFS_AC_KERNEL_BIO_MAX_SEGS], [
AC_MSG_CHECKING([whether bio_max_segs() exists])
ZFS_LINUX_TEST_RESULT([bio_max_segs], [
AC_MSG_RESULT(yes)
AC_DEFINE([HAVE_BIO_MAX_SEGS], 1, [bio_max_segs() is implemented])
],[
AC_MSG_RESULT(no)
])
])
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