[mirror_zfs.git] / config / kernel-bio_max_segs.m4

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)
	])
])
Commit	Line	Data
ffd6978e CK	1	dnl #
	2	dnl # 5.12 API change removes BIO_MAX_PAGES in favor of bio_max_segs()
	3	dnl # which will handle the logic of setting the upper-bound to a
	4	dnl # BIO_MAX_PAGES, internally.
	5	dnl #
	6	AC_DEFUN([ZFS_AC_KERNEL_SRC_BIO_MAX_SEGS], [
	7	ZFS_LINUX_TEST_SRC([bio_max_segs], [
	8	#include <linux/bio.h>
	9	],[
	10	bio_max_segs(1);
	11	])
	12	])
	13
	14	AC_DEFUN([ZFS_AC_KERNEL_BIO_MAX_SEGS], [
	15	AC_MSG_CHECKING([whether bio_max_segs() exists])
	16	ZFS_LINUX_TEST_RESULT([bio_max_segs], [
	17	AC_MSG_RESULT(yes)
	18
	19	AC_DEFINE([HAVE_BIO_MAX_SEGS], 1, [bio_max_segs() is implemented])
	20	],[
	21	AC_MSG_RESULT(no)
	22	])
	23	])