Re: ramfs problem... (unlink of sparse file in "D" state)

[Alexander Viro]

On Mon, 8 Jan 2001, Alan Cox wrote:

> > Alan, it doesn't work that way. Maximal size depends on the type of object,
> > for one thing. Moreover, it's not always a multiple of page size, so you
> 
> Its a multiple of page size for all fs's we have but I did it in terms of
> bytes anyway

1Kb-block ext2 on Alpha. Count yourself and you'll see...

> > still need foo_get_block() to be aware of the problem (it should return
> > -EFBIG). Besides, we need to take care of the situations when some of
> > get_block() calls fail in prepare_write() - that can happen due to other
> > problems. I've fixed all that stuff for ext2 (check the patches posted on
> > l-k after 12-pre6). We need to propagate it into other filesystems, but
> 
> I put it into generic_file_write. That covers most fs's it seems. The jffs 
> guys are going to switch to generic_file_write soon and the other fs's 
> that dont are wacko ones I dont care about ;)

Alan, we have to deal with get_block() failures anyway. -ENOSPC, -EDQUOT,
not to mention plain and simple -EIO. -EFBIG handling is not different.