On Sun, Nov 18, 2012 at 10:17:25PM -0500, Theodore Ts'o wrote:
> On Fri, Oct 26, 2012 at 09:23:37PM +0800, Zheng Liu wrote:
> > Hi all,
> >
> > Here is the v3 of extent status tree. In this version, the biggest change is
> > the i_es_lock (a rwlock_t) instead of i_data_sem, which is introduced to protect
> > extent status tree. Moreover I improve the SEEK_DATA/SEEK_HOLE. In previous
> > version, the unwritten extent is as a data, and now it will lookup page cache to
> > determine it as a data or a hole. When it has some data at the given range, the
> > unwritten extent will be as a data. Otherwise, it will be as a hole. Other
> > changes contain some bug fixes.
>
> I don't think I ack'ed this patch series earlier; my apologies. In
> any case (with the comment fixup we discussed earlier), It's currently
> queued for the next merge window.
Thanks. :-)
BTW, I am trying to implement the second step of extent status tree,
which will track all extent status for an inode. After that, some
improvements will be added, such as extent-level locking, etc.
Regards,
- Zheng
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