Re: [PATCH 3/3] ext4: Convert to buffered_write_operations

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On Tue, Jan 30, 2024 at 05:54:13AM +0000, Matthew Wilcox (Oracle) wrote:
> +++ b/fs/ext4/file.c
> @@ -287,16 +287,24 @@ static ssize_t ext4_buffered_write_iter(struct kiocb *iocb,
>  {
>  	ssize_t ret;
>  	struct inode *inode = file_inode(iocb->ki_filp);
> +	const struct buffered_write_operations *ops;
>  
>  	if (iocb->ki_flags & IOCB_NOWAIT)
>  		return -EOPNOTSUPP;
>  
> +	if (ext4_inode_journal_mode(inode))

I forgot to commit --amend.  This line should have been:

+       if (ext4_should_journal_data(inode))

> +		ops = &ext4_journalled_bw_ops;
> +	else if (test_opt(inode->i_sb, DELALLOC))
> +		ops = &ext4_da_bw_ops;
> +	else
> +		ops = &ext4_bw_ops;
> +
>  	inode_lock(inode);
>  	ret = ext4_write_checks(iocb, from);
>  	if (ret <= 0)
>  		goto out;
>  
> -	ret = generic_perform_write(iocb, from);
> +	ret = filemap_perform_write(iocb, from, ops);
>  
>  out:
>  	inode_unlock(inode);




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