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-rw-r--r--config/kernel-aio-fsync.m421
1 files changed, 21 insertions, 0 deletions
diff --git a/config/kernel-aio-fsync.m4 b/config/kernel-aio-fsync.m4
new file mode 100644
index 000000000..41b7a98a6
--- /dev/null
+++ b/config/kernel-aio-fsync.m4
@@ -0,0 +1,21 @@
+dnl #
+dnl # Linux 4.9-rc5+ ABI, removal of the .aio_fsync field
+dnl #
+AC_DEFUN([ZFS_AC_KERNEL_AIO_FSYNC], [
+ AC_MSG_CHECKING([whether fops->aio_fsync() exists])
+ ZFS_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
+
+ static const struct file_operations
+ fops __attribute__ ((unused)) = {
+ .aio_fsync = NULL,
+ };
+ ],[
+ ],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_FILE_AIO_FSYNC, 1, [fops->aio_fsync() exists])
+ ],[
+ AC_MSG_RESULT(no)
+ ])
+])
+