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-rw-r--r--include/linux/fs.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index c85916e9f7db..475d88640d3d 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -168,6 +168,9 @@ typedef int (dio_iodone_t)(struct kiocb *iocb, loff_t offset,
#define FMODE_NOREUSE ((__force fmode_t)0x800000)
+/* File supports non-exclusive O_DIRECT writes from multiple threads */
+#define FMODE_DIO_PARALLEL_WRITE ((__force fmode_t)0x1000000)
+
/* File was opened by fanotify and shouldn't generate fanotify events */
#define FMODE_NONOTIFY ((__force fmode_t)0x4000000)