[PATCH] btrfs: Remove unused page_to_{inode,fs_info} macros

[Youling Tang <youling.tang@linux.dev>]

From: Youling Tang <tangyouling@kylinos.cn>

This macro is no longer used after the "btrfs: Cleaned up folio->page
conversion" series patch [1] was applied, so remove it.

[1]: https://patchwork.kernel.org/project/linux-btrfs/cover/20240828182908.3735344-1-lizetao1@huawei.com/

Signed-off-by: Youling Tang <tangyouling@kylinos.cn>
---
 fs/btrfs/fs.h | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/fs/btrfs/fs.h b/fs/btrfs/fs.h
index 79f64e383edd..82169cbd99e1 100644
--- a/fs/btrfs/fs.h
+++ b/fs/btrfs/fs.h
@@ -876,12 +876,9 @@ struct btrfs_fs_info {
 #endif
 };
 
-#define page_to_inode(_page)	(BTRFS_I(_Generic((_page),			\
-					  struct page *: (_page))->mapping->host))
 #define folio_to_inode(_folio)	(BTRFS_I(_Generic((_folio),			\
 					  struct folio *: (_folio))->mapping->host))
 
-#define page_to_fs_info(_page)	 (page_to_inode(_page)->root->fs_info)
 #define folio_to_fs_info(_folio) (folio_to_inode(_folio)->root->fs_info)
 
 #define inode_to_fs_info(_inode) (BTRFS_I(_Generic((_inode),			\
-- 
2.34.1