1dnl # 2dnl # 5.12 API change removes BIO_MAX_PAGES in favor of bio_max_segs() 3dnl # which will handle the logic of setting the upper-bound to a 4dnl # BIO_MAX_PAGES, internally. 5dnl # 6AC_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 14AC_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]) 24