linux-kernel - [PATCH] fs: btrfs: Remove repeated struct declaration

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Message-Id: <20210401080339.999529-1-wanjiabing@vivo.com>
Date:   Thu,  1 Apr 2021 16:03:39 +0800
From:   Wan Jiabing <wanjiabing@...o.com>
To:     Chris Mason <clm@...com>, Josef Bacik <josef@...icpanda.com>,
        David Sterba <dsterba@...e.com>, linux-btrfs@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     kael_w@...h.net, Wan Jiabing <wanjiabing@...o.com>
Subject: [PATCH] fs: btrfs: Remove repeated struct declaration

struct btrfs_inode is declared twice. One is declared at 67th line.
The blew declaration is not needed. Remove the duplicate.
struct btrfs_fs_info should be declared in the forward declarations.
Move it to the forward declarations.

Signed-off-by: Wan Jiabing <wanjiabing@...o.com>
---
 fs/btrfs/extent_io.h | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index 824640cb0ace..227215a5722c 100644
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -66,6 +66,7 @@ enum {
 struct btrfs_root;
 struct btrfs_inode;
 struct btrfs_io_bio;
+struct btrfs_fs_info;
 struct io_failure_record;
 struct extent_io_tree;
 
@@ -270,9 +271,6 @@ struct bio *btrfs_io_bio_alloc(unsigned int nr_iovecs);
 struct bio *btrfs_bio_clone(struct bio *bio);
 struct bio *btrfs_bio_clone_partial(struct bio *orig, int offset, int size);
 
-struct btrfs_fs_info;
-struct btrfs_inode;
-
 int repair_io_failure(struct btrfs_fs_info *fs_info, u64 ino, u64 start,
 		      u64 length, u64 logical, struct page *page,
 		      unsigned int pg_offset, int mirror_num);
-- 
2.25.1