linux-kernel - [PATCH] fs: remove stale and duplicate forward declarations

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Message-ID: <20251229071401.98146-1-ytohnuki@amazon.com>
Date: Mon, 29 Dec 2025 07:14:01 +0000
From: Yuto Ohnuki <ytohnuki@...zon.com>
To: Alexander Viro <viro@...iv.linux.org.uk>, Christian Brauner
	<brauner@...nel.org>, Jan Kara <jack@...e.cz>,
	<linux-fsdevel@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC: Yuto Ohnuki <ytohnuki@...zon.com>
Subject: [PATCH] fs: remove stale and duplicate forward declarations

Remove the following unnecessary forward declarations from fs.h, which
improves maintainability.

- struct hd_geometry: became unused when block_device_operations was
  moved to blkdev.h in commit 08f858512151 ("[PATCH] move
  block_device_operations to blkdev.h")

- struct iovec: became unused when aio_read/aio_write were removed in
  commit 8436318205b9 ("->aio_read and ->aio_write removed")

- struct iov_iter (line 1910): duplicate of the declaration at line 70,
  added in commit 293bc9822fa9 ("new methods: ->read_iter()
  and ->write_iter()")

Signed-off-by: Yuto Ohnuki <ytohnuki@...zon.com>
---
 include/linux/fs.h | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/include/linux/fs.h b/include/linux/fs.h
index f5c9cf28c4dc..598096ec2dee 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -55,8 +55,6 @@ struct bdi_writeback;
 struct bio;
 struct io_comp_batch;
 struct fiemap_extent_info;
-struct hd_geometry;
-struct iovec;
 struct kiocb;
 struct kobject;
 struct pipe_inode_info;
@@ -1907,7 +1905,6 @@ struct dir_context {
  */
 #define COPY_FILE_SPLICE		(1 << 0)
 
-struct iov_iter;
 struct io_uring_cmd;
 struct offset_ctx;
 
-- 
2.50.1




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