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drbd/compat-4.7-fe8fb75e-blk_queue_write_cache.patch

25 lines
1.2 KiB
Diff

diff -Naur drbd-9.0.2+git.14d2eea.orig/drbd/drbd-kernel-compat/drbd_wrappers.h drbd-9.0.2+git.14d2eea/drbd/drbd-kernel-compat/drbd_wrappers.h
--- drbd-9.0.2+git.14d2eea.orig/drbd/drbd-kernel-compat/drbd_wrappers.h 2016-06-08 17:52:23.920376490 +0800
+++ drbd-9.0.2+git.14d2eea/drbd/drbd-kernel-compat/drbd_wrappers.h 2016-06-08 21:14:33.692708703 +0800
@@ -677,6 +677,10 @@
#define blk_queue_max_hw_sectors(q, max) blk_queue_max_sectors(q, max)
#endif
+#ifndef COMPAT_HAVE_BLK_QUEUE_FLUSH
+#define blk_queue_flush(q, f) blk_queue_write_cache(q, true, true)
+#endif
+
#ifndef COMPAT_HAVE_BLK_QUEUE_MAX_SEGMENTS
static inline void blk_queue_max_segments(struct request_queue *q, unsigned short max_segments)
{
diff -Naur drbd-9.0.2+git.14d2eea.orig/drbd/drbd-kernel-compat/tests/have_blk_queue_flush.c drbd-9.0.2+git.14d2eea/drbd/drbd-kernel-compat/tests/have_blk_queue_flush.c
--- drbd-9.0.2+git.14d2eea.orig/drbd/drbd-kernel-compat/tests/have_blk_queue_flush.c 1970-01-01 08:00:00.000000000 +0800
+++ drbd-9.0.2+git.14d2eea/drbd/drbd-kernel-compat/tests/have_blk_queue_flush.c 2016-06-08 21:13:40.324918430 +0800
@@ -0,0 +1,6 @@
+#include <linux/blkdev.h>
+
+void dummy(struct request_queue *q, unsigned int flush)
+{
+ blk_queue_flush(q, flush);
+}