/
kernel-fsync.m4
53 lines (46 loc) · 1.2 KB
/
kernel-fsync.m4
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dnl #
dnl # Check file_operations->fsync interface.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_FSYNC], [
ZFS_LINUX_TEST_SRC([fsync_without_dentry], [
#include <linux/fs.h>
static int test_fsync(struct file *f, int x) { return 0; }
static const struct file_operations
fops __attribute__ ((unused)) = {
.fsync = test_fsync,
};
],[])
ZFS_LINUX_TEST_SRC([fsync_range], [
#include <linux/fs.h>
static int test_fsync(struct file *f, loff_t a, loff_t b, int c)
{ return 0; }
static const struct file_operations
fops __attribute__ ((unused)) = {
.fsync = test_fsync,
};
],[])
])
AC_DEFUN([ZFS_AC_KERNEL_FSYNC], [
dnl #
dnl # Linux 2.6.35 - Linux 3.0 API
dnl #
AC_MSG_CHECKING([whether fops->fsync() wants no dentry])
ZFS_LINUX_TEST_RESULT([fsync_without_dentry], [
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_FSYNC_WITHOUT_DENTRY, 1,
[fops->fsync() without dentry])
],[
AC_MSG_RESULT([no])
dnl #
dnl # Linux 3.1 - 3.x API
dnl #
AC_MSG_CHECKING([whether fops->fsync() wants range])
ZFS_LINUX_TEST_RESULT([fsync_range], [
AC_MSG_RESULT([range])
AC_DEFINE(HAVE_FSYNC_RANGE, 1,
[fops->fsync() with range])
],[
ZFS_LINUX_TEST_ERROR([fops->fsync])
])
])
])