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[PATCHv2,01/11] fs: add a write stream field to the kiocb

Message ID 20250203184129.1829324-2-kbusch@meta.com (mailing list archive)
State New
Headers show
Series block write streams with nvme fdp | expand

Commit Message

Keith Busch Feb. 3, 2025, 6:41 p.m. UTC 
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.

Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Nitesh Shetty <nj.shetty@samsung.com>
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(+)
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Patch

diff --git a/include/linux/fs.h b/include/linux/fs.h
index be3ad155ec9f7..e9ec7afa5d5f8 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -408,6 +408,7 @@  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