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-rw-r--r--include/linux/aio.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/include/linux/aio.h b/include/linux/aio.h
index 60def658b24..0decf66117c 100644
--- a/include/linux/aio.h
+++ b/include/linux/aio.h
@@ -24,7 +24,12 @@ struct kioctx;
#define KIOCB_SYNC_KEY (~0U)
/* ki_flags bits */
-#define KIF_LOCKED 0
+/*
+ * This may be used for cancel/retry serialization in the future, but
+ * for now it's unused and we probably don't want modules to even
+ * think they can use it.
+ */
+/* #define KIF_LOCKED 0 */
#define KIF_KICKED 1
#define KIF_CANCELLED 2