fs: Remove three arguments from block_write_end()

block_write_end() looks like it can be used as a ->write_end()
implementation. However, it can't as it does not unlock nor put
the folio. Since it does not use the 'file', 'mapping' nor 'fsdata'
arguments, remove them.

Signed-off-by: "Matthew Wilcox (Oracle)" <[e-mail]>
Link: https://lore.kernel.org/[e-mail]
Signed-off-by: Christian Brauner <[e-mail]>

block/fops.c

···
 		void *fsdata)
 {
 	int ret;
-	ret = block_write_end(file, mapping, pos, len, copied, folio, fsdata);
+	ret = block_write_end(pos, len, copied, folio);
 
 	folio_unlock(folio);
 	folio_put(folio);

fs/buffer.c

···
 }
 EXPORT_SYMBOL(block_write_begin);
 
-int block_write_end(struct file *file, struct address_space *mapping,
-			loff_t pos, unsigned len, unsigned copied,
-			struct folio *folio, void *fsdata)
+int block_write_end(loff_t pos, unsigned len, unsigned copied,
+		struct folio *folio)
 {
 	size_t start = pos - folio_pos(folio);
 
···
 	loff_t old_size = inode->i_size;
 	bool i_size_changed = false;
 
-	copied = block_write_end(file, mapping, pos, len, copied, folio, fsdata);
+	copied = block_write_end(pos, len, copied, folio);
 
 	/*
 	 * No need to use i_size_read() here, the i_size cannot change under us

fs/ext2/dir.c

···
 	struct inode *dir = mapping->host;
 
 	inode_inc_iversion(dir);
-	block_write_end(NULL, mapping, pos, len, len, folio, NULL);
+	block_write_end(pos, len, len, folio);
 
 	if (pos+len > dir->i_size) {
 		i_size_write(dir, pos+len);

fs/ext4/inode.c

···
 		return ext4_write_inline_data_end(inode, pos, len, copied,
 						  folio);
 
-	copied = block_write_end(file, mapping, pos, len, copied, folio, fsdata);
+	copied = block_write_end(pos, len, copied, folio);
 	/*
 	 * it's important to update i_size while still holding folio lock:
 	 * page writeout could otherwise come in and zero beyond i_size.
···
 	 * block_write_end() will mark the inode as dirty with I_DIRTY_PAGES
 	 * flag, which all that's needed to trigger page writeback.
 	 */
-	copied = block_write_end(NULL, mapping, pos, len, copied,
-			folio, NULL);
+	copied = block_write_end(pos, len, copied, folio);
 	new_i_size = pos + copied;
 
 	/*

fs/iomap/buffered-io.c

···
 	if (srcmap->flags & IOMAP_F_BUFFER_HEAD) {
 		size_t bh_written;
 
-		bh_written = block_write_end(NULL, iter->inode->i_mapping, pos,
-					len, copied, folio, NULL);
+		bh_written = block_write_end(pos, len, copied, folio);
 		WARN_ON_ONCE(bh_written != copied && bh_written != 0);
 		return bh_written == copied;
 	}

fs/minix/dir.c

···
 	struct address_space *mapping = folio->mapping;
 	struct inode *dir = mapping->host;
 
-	block_write_end(NULL, mapping, pos, len, len, folio, NULL);
+	block_write_end(pos, len, len, folio);
 
 	if (pos+len > dir->i_size) {
 		i_size_write(dir, pos+len);

fs/nilfs2/dir.c

···
 	int err;
 
 	nr_dirty = nilfs_page_count_clean_buffers(folio, from, to);
-	copied = block_write_end(NULL, mapping, pos, len, len, folio, NULL);
+	copied = block_write_end(pos, len, len, folio);
 	if (pos + copied > dir->i_size)
 		i_size_write(dir, pos + copied);
 	if (IS_DIRSYNC(dir))

fs/nilfs2/recovery.c

···
 		if (unlikely(err))
 			goto failed_folio;
 
-		block_write_end(NULL, inode->i_mapping, pos, blocksize,
-				blocksize, folio, NULL);
+		block_write_end(pos, blocksize, blocksize, folio);
 
 		folio_unlock(folio);
 		folio_put(folio);

fs/ufs/dir.c

···
 	struct inode *dir = mapping->host;
 
 	inode_inc_iversion(dir);
-	block_write_end(NULL, mapping, pos, len, len, folio, NULL);
+	block_write_end(pos, len, len, folio);
 	if (pos+len > dir->i_size) {
 		i_size_write(dir, pos+len);
 		mark_inode_dirty(dir);

include/linux/buffer_head.h

···
 		struct folio **foliop, get_block_t *get_block);
 int __block_write_begin(struct folio *folio, loff_t pos, unsigned len,
 		get_block_t *get_block);
-int block_write_end(struct file *, struct address_space *,
-				loff_t, unsigned len, unsigned copied,
-				struct folio *, void *);
+int block_write_end(loff_t pos, unsigned len, unsigned copied, struct folio *);
 int generic_write_end(struct file *, struct address_space *,
 				loff_t, unsigned len, unsigned copied,
 				struct folio *, void *);