[PATCH 4/8] xfs: log file size updates at I/O completion time

[Mark Tinguely]

On 02/29/12 03:53, Christoph Hellwig wrote:
> Do not use unlogged metadata updates and the VFS dirty bit for updating
> the file size after writeback.  In addition to causing various problems
> with updates getting delayed for far too long this also drags in the
> unscalable VFS dirty tracking, and is one of the few remaining unlogged
> metadata updates.
>
> Reviewed-by: Dave Chinner<dchinner at redhat.com>
> Signed-off-by: Christoph Hellwig<hch at lst.de>


Looks good. It took me a while to figure out the PF_FSTRANS clearing in 
the xfs_setfilesize_trans_alloc() routine.

Reviewed-by: Mark Tinguely