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 test_fsync(struct file *f, struct dentry *dentry, int x)
+ { return 0; }
+
+ static const struct file_operations
+ fops __attribute__ ((unused)) = {
+ .fsync = test_fsync,
+ };
+ ],[
+ ],[
+ AC_MSG_RESULT([dentry])
+ AC_DEFINE(HAVE_FSYNC_WITH_DENTRY, 1,
+ [fops->fsync() with dentry])
],[
- int (*fsync) (struct file *, int datasync) = NULL;
- struct file_operations fops;
+ ])
+])
+
+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>
- fops.fsync = fsync;
+ int test_fsync(struct file *f, int x) { return 0; }
+
+ static const struct file_operations
+ fops __attribute__ ((unused)) = {
+ .fsync = test_fsync,
+ };
+ ],[
],[
- AC_MSG_RESULT(yes)
- AC_DEFINE(HAVE_2ARGS_FSYNC, 1, [fops->fsync() want 2 args])
+ AC_MSG_RESULT([no dentry])
+ 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_DEFUN([ZFS_AC_KERNEL_FSYNC_RANGE], [
+ ZFS_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
+
+ 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_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
+])