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-rw-r--r--config/kernel-fallocate-pax.m419
1 files changed, 19 insertions, 0 deletions
diff --git a/config/kernel-fallocate-pax.m4 b/config/kernel-fallocate-pax.m4
new file mode 100644
index 000000000..ac75a4c8e
--- /dev/null
+++ b/config/kernel-fallocate-pax.m4
@@ -0,0 +1,19 @@
+dnl #
+dnl # PaX Linux 2.6.38 - 3.x API
+dnl #
+AC_DEFUN([SPL_AC_PAX_KERNEL_FILE_FALLOCATE], [
+ AC_MSG_CHECKING([whether fops->fallocate() exists])
+ SPL_LINUX_TRY_COMPILE([
+ #include <linux/fs.h>
+ ],[
+ long (*fallocate) (struct file *, int, loff_t, loff_t) = NULL;
+ struct file_operations_no_const fops __attribute__ ((unused)) = {
+ .fallocate = fallocate,
+ };
+ ],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_FILE_FALLOCATE, 1, [fops->fallocate() exists])
+ ],[
+ AC_MSG_RESULT(no)
+ ])
+])