Re: [lkp] [xfs] fbcc025613: -5.6% fsmark.files_per_sec

2016-02-22 Thread Dave Chinner
On Mon, Feb 22, 2016 at 09:54:09AM +0100, Christoph Hellwig wrote: > On Fri, Feb 19, 2016 at 05:49:32PM +1100, Dave Chinner wrote: > > That doesn't really seem right. The writeback should be done as a > > single ioend, with a single completion, with a single setsize > > transaction, adn then all

Re: [lkp] [xfs] fbcc025613: -5.6% fsmark.files_per_sec

2016-02-22 Thread Dave Chinner
On Mon, Feb 22, 2016 at 09:54:09AM +0100, Christoph Hellwig wrote: > On Fri, Feb 19, 2016 at 05:49:32PM +1100, Dave Chinner wrote: > > That doesn't really seem right. The writeback should be done as a > > single ioend, with a single completion, with a single setsize > > transaction, adn then all

Re: [lkp] [xfs] fbcc025613: -5.6% fsmark.files_per_sec

2016-02-22 Thread Christoph Hellwig
On Fri, Feb 19, 2016 at 05:49:32PM +1100, Dave Chinner wrote: > That doesn't really seem right. The writeback should be done as a > single ioend, with a single completion, with a single setsize > transaction, adn then all the pages are marked clean sequentially. > The above behaviour implies we

Re: [lkp] [xfs] fbcc025613: -5.6% fsmark.files_per_sec

2016-02-22 Thread Christoph Hellwig
On Fri, Feb 19, 2016 at 05:49:32PM +1100, Dave Chinner wrote: > That doesn't really seem right. The writeback should be done as a > single ioend, with a single completion, with a single setsize > transaction, adn then all the pages are marked clean sequentially. > The above behaviour implies we

Re: [lkp] [xfs] fbcc025613: -5.6% fsmark.files_per_sec

2016-02-18 Thread Dave Chinner
On Fri, Feb 19, 2016 at 10:52:08AM +0800, kernel test robot wrote: > FYI, we noticed the below changes on > > https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > commit fbcc025613590d7b1d15521555dcc6393a148a6b ("xfs: Introduce writeback > context for writepages") > > >

Re: [lkp] [xfs] fbcc025613: -5.6% fsmark.files_per_sec

2016-02-18 Thread Dave Chinner
On Fri, Feb 19, 2016 at 10:52:08AM +0800, kernel test robot wrote: > FYI, we noticed the below changes on > > https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > commit fbcc025613590d7b1d15521555dcc6393a148a6b ("xfs: Introduce writeback > context for writepages") > > >

[lkp] [xfs] fbcc025613: -5.6% fsmark.files_per_sec

2016-02-18 Thread kernel test robot
FYI, we noticed the below changes on https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master commit fbcc025613590d7b1d15521555dcc6393a148a6b ("xfs: Introduce writeback context for writepages")

[lkp] [xfs] fbcc025613: -5.6% fsmark.files_per_sec

2016-02-18 Thread kernel test robot
FYI, we noticed the below changes on https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master commit fbcc025613590d7b1d15521555dcc6393a148a6b ("xfs: Introduce writeback context for writepages")