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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64...
[firefly-linux-kernel-4.4.55.git]
/
block
/
blk.h
diff --git
a/block/blk.h
b/block/blk.h
index 026d9594142bdedf1d5a0b919390bb54b3f857c1..838188b35a83f03696fba66cbb71728e402403bd 100644
(file)
--- a/
block/blk.h
+++ b/
block/blk.h
@@
-22,6
+22,12
@@
struct blk_flush_queue {
struct list_head flush_queue[2];
struct list_head flush_data_in_flight;
struct request *flush_rq;
+
+ /*
+ * flush_rq shares tag with this rq, both can't be active
+ * at the same time
+ */
+ struct request *orig_rq;
spinlock_t mq_flush_lock;
};