linux-kernel - [PATCH 05/10] fs: remove the mount_bdev and kill_block

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Date:   Sat, 20 Jun 2020 09:16:39 +0200
From:   Christoph Hellwig <hch@....de>
To:     Jens Axboe <axboe@...nel.dk>
Cc:     Al Viro <viro@...iv.linux.org.uk>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jslaby@...e.com>, linux-block@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 05/10] fs: remove the mount_bdev and kill_block_super stubs

No one calls these functions without CONFIG_BLOCK, so don't bother
stubbing them out.

Signed-off-by: Christoph Hellwig <hch@....de>
---
 include/linux/fs.h | 16 ----------------
 1 file changed, 16 deletions(-)

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 224edcc5b56e62..9ee09e2b5a9716 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2256,18 +2256,9 @@ struct file_system_type {
 
 #define MODULE_ALIAS_FS(NAME) MODULE_ALIAS("fs-" NAME)
 
-#ifdef CONFIG_BLOCK
 extern struct dentry *mount_bdev(struct file_system_type *fs_type,
 	int flags, const char *dev_name, void *data,
 	int (*fill_super)(struct super_block *, void *, int));
-#else
-static inline struct dentry *mount_bdev(struct file_system_type *fs_type,
-	int flags, const char *dev_name, void *data,
-	int (*fill_super)(struct super_block *, void *, int))
-{
-	return ERR_PTR(-ENODEV);
-}
-#endif
 extern struct dentry *mount_single(struct file_system_type *fs_type,
 	int flags, void *data,
 	int (*fill_super)(struct super_block *, void *, int));
@@ -2276,14 +2267,7 @@ extern struct dentry *mount_nodev(struct file_system_type *fs_type,
 	int (*fill_super)(struct super_block *, void *, int));
 extern struct dentry *mount_subtree(struct vfsmount *mnt, const char *path);
 void generic_shutdown_super(struct super_block *sb);
-#ifdef CONFIG_BLOCK
 void kill_block_super(struct super_block *sb);
-#else
-static inline void kill_block_super(struct super_block *sb)
-{
-	BUG();
-}
-#endif
 void kill_anon_super(struct super_block *sb);
 void kill_litter_super(struct super_block *sb);
 void deactivate_super(struct super_block *sb);
-- 
2.26.2