Re: [PATCH] direct IO breaks root filesystem

[Tachino Nobuhiro]

At Tue, 11 Dec 2001 16:34:15 -0800 (PST),
Linus Torvalds wrote:
> 
> 
> On Wed, 12 Dec 2001, Tachino Nobuhiro wrote:
> >
> >   Your patch will break Goto's fix because mapping->host does not have
> > correct i_mode.
> 
> Note that Goto's fix really is quite _fundamentally_ broken. Don't use it.
> 

OK. 

But my patch fixes another bug. Current /dev/ram* does not return -ENOSPC
at the end of device size because generic_file_write() also checks whether
mapping->host is a block device. So I think the patch is required.