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SubjectRe: [PATCH 0/5] percpu_ida: Various tweaks
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On Mon, 2013-10-28 at 11:04 +0100, Alexander Gordeev wrote:
> Hi Kent,
>
> Here is an update of few behaviours which caught my eye.
> I have not tested any, so it is up to your judgement ;)
>
> Alexander Gordeev (5):
> percpu_ida: Fix data race on cpus_have_tags cpumask
> percpu_ida: Move waking up waiters out of atomic contexts
> percpu_ida: Optimize freeing tags when maximum cache size is 1
> percpu_ida: Sanity check initialization parameters
> percpu_ida: Allow variable maximum number of cached tags
>
> block/blk-mq-tag.c | 9 +++++----
> include/linux/percpu_ida.h | 5 +++--
> lib/percpu_ida.c | 38 ++++++++++++++++++++++++++++----------
> 3 files changed, 36 insertions(+), 16 deletions(-)
>

Hi Alexander,

So this series is atop Shaohua's conversion blk-mq patch to use
percpu_ida, right..?

I'll wait for Kent's feedback on these, and end-up dropping the
blk-mq-tag part from Patch #5 for the moment..

--nab



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