freebsd-src/sys/contrib/openzfs/config/kernel-generic_fadvise.m4
Martin Matuska c7046f76c2 zfs: merge openzfs/zfs@c629f0bf6
Notable upstream pull request merges:
  #13725 Fix BLAKE3 tuneable and module loading on Linux and FreeBSD
  #13756 FreeBSD: Organize sysctls
  #13773 FreeBSD: add kqfilter support for zvol cdev
  #13781 Importing from cachefile can trip assertion
  #13794 Apply arc_shrink_shift to ARC above arc_c_min
  #13798 Improve too large physical ashift handling
  #13799 Revert "Avoid panic with recordsize > 128k, raw sending and
         no large_blocks"
  #13802 Add zfs.sync.snapshot_rename
  #13831 zfs_enter rework
  #13855 zfs recv hangs if max recordsize is less than received
         recordsize

Obtained from:	OpenZFS
OpenZFS commit:	c629f0bf62
2022-09-21 14:17:13 +02:00

28 lines
787 B
Plaintext

dnl #
dnl # 5.3 API change
dnl # The generic_fadvise() function is present since 4.19 kernel
dnl # but it was not exported until Linux 5.3.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_GENERIC_FADVISE], [
ZFS_LINUX_TEST_SRC([generic_fadvise], [
#include <linux/fs.h>
], [
struct file *fp __attribute__ ((unused)) = NULL;
loff_t offset __attribute__ ((unused)) = 0;
loff_t len __attribute__ ((unused)) = 0;
int advise __attribute__ ((unused)) = 0;
generic_fadvise(fp, offset, len, advise);
])
])
AC_DEFUN([ZFS_AC_KERNEL_GENERIC_FADVISE], [
AC_MSG_CHECKING([whether generic_fadvise() is available])
ZFS_LINUX_TEST_RESULT_SYMBOL([generic_fadvise],
[generic_fadvise], [mm/fadvise.c], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_GENERIC_FADVISE, 1, [yes])
],[
AC_MSG_RESULT(no)
])
])