mirror of
https://git.proxmox.com/git/mirror_zfs.git
synced 2024-11-17 18:11:00 +03:00
21 lines
483 B
Plaintext
21 lines
483 B
Plaintext
|
dnl #
|
||
|
|
dnl # 2.6.24 API change
|
||
|
|
dnl # Empty write barriers are now supported and we should use them.
|
||
|
|
dnl #
|
||
|
|
AC_DEFUN([ZFS_AC_KERNEL_BIO_EMPTY_BARRIER], [
|
||
|
|
AC_MSG_CHECKING([whether bio_empty_barrier() is defined])
|
||
|
|
EXTRA_KCFLAGS="-Werror"
|
||
|
|
ZFS_LINUX_TRY_COMPILE([
|
||
|
|
#include <linux/bio.h>
|
||
|
|
],[
|
||
|
|
struct bio bio;
|
||
|
|
(void)bio_empty_barrier(&bio);
|
||
|
|
],[
|
||
|
|
AC_MSG_RESULT(yes)
|
||
|
|
AC_DEFINE(HAVE_BIO_EMPTY_BARRIER, 1,
|
||
|
|
[bio_empy_barrier() is defined])
|
||
|
|
],[
|
||
|
|
AC_MSG_RESULT(no)
|
||
|
|
])
|
||
|
|
])
|