[PATCHv12 02/12] fs: add a write stream field to the kiocb

[Keith Busch <kbusch@meta.com>]

From: Christoph Hellwig <hch@lst.de>

Prepare for io_uring passthrough of write streams. The write stream
field in the kiocb structure fits into an existing 2-byte hole, so its
size is not changed.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
---
 include/linux/fs.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 2cc3d45da7b01..26940c451f319 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -373,6 +373,7 @@ struct kiocb {
 	void			*private;
 	int			ki_flags;
 	u16			ki_ioprio; /* See linux/ioprio.h */
+	u8			ki_write_stream;
 	union {
 		/*
 		 * Only used for async buffered reads, where it denotes the
-- 
2.43.5