From 9125f8f5bdb36bfbd2d816d30b6b29b9f89ae3d8 Mon Sep 17 00:00:00 2001
From: Giuseppe Di Natale <dinatale2@users.noreply.github.com>
Date: Mon, 9 Apr 2018 17:20:06 -0700
Subject: [PATCH] Linux compat 4.16: SECTOR_SIZE

As of https://github.com/torvalds/linux/commit/233bde21,
SECTOR_SIZE is defined in linux/blkdev.h. Define SECTOR_SIZE
in sunldi.h only if it's not already defined.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Signed-off-by: Giuseppe Di Natale <dinatale2@llnl.gov>
Closes #697
---
 include/sys/sunldi.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/sys/sunldi.h b/include/sys/sunldi.h
index 43462ef..a5045f8 100644
--- a/include/sys/sunldi.h
+++ b/include/sys/sunldi.h
@@ -32,6 +32,12 @@
 #include <linux/bio.h>
 #include <linux/blkdev.h>
 
+/*
+ * SECTOR_SIZE can be defined in blkdev.h. See
+ * https://github.com/torvalds/linux/commit/233bde21.
+ */
+#ifndef SECTOR_SIZE
 #define	SECTOR_SIZE 512
+#endif
 
 #endif /* SPL_SUNLDI_H */
-- 
2.39.5