[btrfs-devel][patch]remove warning when file size is 1

[Chris Mason]

On Sun, 2007-09-23 at 13:15 +0800, Yan Zheng wrote:
> 2007/9/18, Chris Mason <chris.mason at oracle.com>:
> > On Tue, 18 Sep 2007 15:18:24 +0800
> > "Yan Zheng" <yanzheng at 21cn.com> wrote:
> >
> > > Hello
> > >
> > > When file size is 1,  both the 'start' and 'end' of a extent_state are
> > > set to 0 by set_extent_uptodate.
> >
> > I saw this one too last night, but ended up fixing it a little
> > differently.  I changed btrfs_get_extent to insert things into the
> > extent maps at a block granularity.  This is more in line with how the
> > rest of the code works.  I'm running fsx-linux on it now (an important
> > test for these kinds of changes).
> >

[ BTW, I pushed out my fix for this over the weekend ]

> Hi
> 
> Inline data are not truncated in btrfs_truncate_in_trans,  maybe we
> need check inode->i_size here to determine the start of data area that
> need fill zero.  Another option is truncate inline data in
> btrfs_truncate_in_trans, I can work on this if you agree.

truncating the inline data would be great.

-chris