dnl #
-dnl # 2.6.35 API change
-dnl # The dentry argument was deamed unused and dropped in 2.6.36.
+dnl # Linux 2.6.x - 2.6.34 API
dnl #
-AC_DEFUN([ZFS_AC_KERNEL_FSYNC_2ARGS], [
- AC_MSG_CHECKING([whether fops->fsync() wants 2 args])
+AC_DEFUN([ZFS_AC_KERNEL_FSYNC_WITH_DENTRY], [
ZFS_LINUX_TRY_COMPILE([
#include <linux/fs.h>
],[
- int (*fsync) (struct file *, int datasync) = NULL;
- struct file_operations fops;
+ int (*fsync) (struct file *, struct dentry *, int) = NULL;
+ struct file_operations fops __attribute__ ((unused));
fops.fsync = fsync;
],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_2ARGS_FSYNC, 1, [fops->fsync() want 2 args])
+ AC_MSG_RESULT([dentry])
+ AC_DEFINE(HAVE_FSYNC_WITH_DENTRY, 1,
+ [fops->fsync() with dentry])
],[
- AC_MSG_RESULT(no)
])
])
+
+dnl #
+dnl # Linux 2.6.35 - Linux 3.0 API
+dnl #
+AC_DEFUN([ZFS_AC_KERNEL_FSYNC_WITHOUT_DENTRY], [
+ ZFS_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
+ ],[
+ int (*fsync) (struct file *, int) = NULL;
+ struct file_operations fops __attribute__ ((unused));
+
+ fops.fsync = fsync;
+ ],[
+ AC_MSG_RESULT([no dentry])
+ AC_DEFINE(HAVE_FSYNC_WITHOUT_DENTRY, 1,
+ [fops->fsync() without dentry])
+ ],[
+ ])
+])
+
+dnl #
+dnl # Linux 3.1 -x 3.x API
+dnl #
+AC_DEFUN([ZFS_AC_KERNEL_FSYNC_RANGE], [
+ ZFS_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
+ ],[
+ int (*fsync) (struct file *, loff_t, loff_t, int) = NULL;
+ struct file_operations fops __attribute__ ((unused));
+
+ fops.fsync = fsync;
+ ],[
+ AC_MSG_RESULT([range])
+ AC_DEFINE(HAVE_FSYNC_RANGE, 1,
+ [fops->fsync() with range])
+ ],[
+ ])
+])
+
+AC_DEFUN([ZFS_AC_KERNEL_FSYNC], [
+ AC_MSG_CHECKING([whether fops->fsync() wants])
+ ZFS_AC_KERNEL_FSYNC_WITH_DENTRY
+ ZFS_AC_KERNEL_FSYNC_WITHOUT_DENTRY
+ ZFS_AC_KERNEL_FSYNC_RANGE
+])