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Diffstat (limited to 'sys/contrib/openzfs/config/kernel-fsync.m4')
-rw-r--r--sys/contrib/openzfs/config/kernel-fsync.m453
1 files changed, 53 insertions, 0 deletions
diff --git a/sys/contrib/openzfs/config/kernel-fsync.m4 b/sys/contrib/openzfs/config/kernel-fsync.m4
new file mode 100644
index 000000000000..d198191d3ab9
--- /dev/null
+++ b/sys/contrib/openzfs/config/kernel-fsync.m4
@@ -0,0 +1,53 @@
+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>
+
+ 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>
+
+ 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])
+ ])
+ ])
+])