Re: [PATCH]ext4: Fix ext4_mb_init_cache return error

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On Mon, 2008-06-02 at 09:16 +0800, Shen Feng wrote:
> 
> Mingming Cao Wrote:
> > ext4: Fix ext4_mb_init_cache return error
> > 
> > From: Mingming Cao <cmm@xxxxxxxxxx>
> > 
> > ext4_mb_init_cache() incorrectly always return EIO on success. This
> > causes the caller of ext4_mb_init_cache() fail when it checks
> >  the return value.
> > 
> > Signed-off-by: Mingming Cao <cmm@xxxxxxxxxx>
> > ---
> >  fs/ext4/mballoc.c |    2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > Index: linux-2.6.26-rc4/fs/ext4/mballoc.c
> > ===================================================================
> > --- linux-2.6.26-rc4.orig/fs/ext4/mballoc.c	2008-06-01 12:55:19.000000000 -0700
> > +++ linux-2.6.26-rc4/fs/ext4/mballoc.c	2008-06-01 12:55:23.000000000 -0700
> > @@ -798,7 +798,7 @@ static int ext4_mb_init_cache(struct pag
> >  	for (i = 0; i < groups_per_page && bh[i]; i++)
> >  		wait_on_buffer(bh[i]);
> >  
> > -	err = -EIO;
> > +	err = 0;
> >  	for (i = 0; i < groups_per_page && bh[i]; i++)
> >  		if (!buffer_uptodate(bh[i]))
> >  			goto out;
> > 
> > 
> 
> I think the fix should be
> 
>    	err = -EIO;
>   	for (i = 0; i < groups_per_page && bh[i]; i++)
>   		if (!buffer_uptodate(bh[i]))
>   			goto out;
>  +	err = 0;
> 
> Is that right?
> 

you are right, thanks for point this out.

Mingming
> Shen Feng
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