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SubjectRe: 2.6.19-rc2-mm2 : empty files on vfat file system
FromOGAWA Hirofumi <>
DateSun, 22 Oct 2006 05:38:38 +0900
Andrew Morton <akpm@osdl.org> writes:

> On Sat, 21 Oct 2006 19:38:49 +0200> Damien Wyart <damien.wyart@free.fr> wrote:
>
>> > --- a/fs/fat/inode.c~fs-prepare_write-fixes>> > +++ a/fs/fat/inode.c>> > @@ -150,7 +150,11 @@ static int fat_commit_write(struct file 
>> >  			    unsigned from, unsigned to)
>> >  {
>> >  	struct inode *inode = page->mapping->host;
>> > -	int err = generic_commit_write(file, page, from, to);
>> > +	int err;
>> > +	if (to - from > 0)
>> > +		return 0;
>> > +
>
> That should have been
>
> 	if (to - from == 0)
> 		return 0;

As I said in this thread, generic_cont_expand() uses "to == from".
Should we fix generic_cont_expand() instead? I don't know the
background of this patch.
-- 
OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
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