On 02/05/2011 02:06 AM, Curt Wohlgemuth wrote:
I think it would also be valuable to include a discussion of writeback
testing, so perhaps we can go beyond simply large numbers of dd
processes.
yeah, I guess a good test case is really needed here.
We are trying to use the new writeback, but can't find some good test
cases that t can be used.
A good number is always needed when we prompt new kernel features to my
employer. ;)
Regards,
Tao
On Fri, Feb 4, 2011 at 8:42 AM, Jan Kara<jack@xxxxxxx> wrote:
Hi,
I'd like to have one session about writeback. The content would highly
depend on the current state of things but on a general level, I'd like to
quickly sum up what went into the kernel (or is mostly ready to go) since
last LSF (handling of background writeback, livelock avoidance), what is
being worked on - IO-less balance_dirty_pages() (if it won't be in the
mostly done section), what other things need to be improved (kswapd
writeout, writeback_inodes_sb_if_idle() mess, come to my mind now)
Honza
--
Jan Kara<jack@xxxxxxx>
SUSE Labs, CR
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