[PATCH V4 2/2] erofs: refactor read_inode calling convention

[Chao Yu]

On 2024/9/3 10:37, Gao Xiang via Linux-erofs wrote:
> On Mon, Sep 02, 2024 at 05:54:22PM +0800, Gao Xiang wrote:
>>
>>
>> On 2024/9/2 17:34, Yiyang Wu wrote:
>>> Refactor out the iop binding behavior out of the erofs_fill_symlink
>>> and move erofs_buf into the erofs_read_inode, so that erofs_fill_inode
>>> can only deal with inode operation bindings and can be decoupled from
>>> metabuf operations. This results in better calling conventions.
>>>
>>> Note that after this patch, we do not need erofs_buf and ofs as
>>> parameters any more when calling erofs_read_inode as
>>> all the data operations are now included in itself.
>>>
>>> Suggested-by: Al Viro <viro at zeniv.linux.org.uk>
>>> Link: https://lore.kernel.org/all/20240425222847.GN2118490@ZenIV/
>>> Signed-off-by: Yiyang Wu <toolmanp at tlmp.cc>
>>
>> Reviewed-by: Gao Xiang <hsiangkao at linux.alibaba.com>
>>
>> Thanks,
>> Gao Xiang
> 
> Applied with the following minor cleanups:
> 
> diff --git a/fs/erofs/inode.c b/fs/erofs/inode.c
> index 726a93a0413c..31d811b50291 100644
> --- a/fs/erofs/inode.c
> +++ b/fs/erofs/inode.c
> @@ -16,9 +16,8 @@ static int erofs_fill_symlink(struct inode *inode, void *kaddr,
>   
>   	/* if it cannot be handled with fast symlink scheme */
>   	if (vi->datalayout != EROFS_INODE_FLAT_INLINE ||
> -	    inode->i_size >= bsz || inode->i_size < 0) {
> +	    inode->i_size >= bsz || inode->i_size < 0)
>   		return 0;
> -	}
>   
>   	m_pofs += vi->xattr_isize;
>   	/* inline symlink data shouldn't cross block boundary */
> @@ -204,7 +203,7 @@ static int erofs_read_inode(struct inode *inode)
>   static int erofs_fill_inode(struct inode *inode)
>   {
>   	struct erofs_inode *vi = EROFS_I(inode);
> -	int err = 0;
> +	int err;
>   
>   	trace_erofs_fill_inode(inode);

Reviewed-by: Chao Yu <chao at kernel.org>

Thanks,

>   
>