Messages in this thread | | | Date | Sat, 28 Jun 2014 08:13:14 -0400 | From | Tejun Heo <> | Subject | Re: [PATCHSET block/for-next] blk-mq: update freezing |
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On Wed, Jun 18, 2014 at 09:19:26AM -0700, Jens Axboe wrote: > > percpu/for-3.17 6fbc07bbe2b5 ("percpu: invoke __verify_pcpu_ptr() from the generic part of accessors and operations") > >+[1] [PATCHSET percpu/for-3.17] percpu: implement percpu_ref_reinit() > > > >and available in the following git branch. > > > > git://git.kernel.org/pub/scm/linux/kernel/git/tj/misc.git review-mq-percpu_ref > > > > block/blk-core.c | 13 ++++--- > > block/blk-mq.c | 90 ++++++++++++++++--------------------------------- > > block/blk-mq.h | 2 - > > block/blk-sysfs.c | 2 - > > include/linux/blkdev.h | 4 +- > > 5 files changed, 44 insertions(+), 67 deletions(-) > > Thanks Tejun, this looks pretty good. I was worried the tryget_live() would > be too expensive, but that looks not to be the case. I like the cleanups to > using a general mechanism. I'll run this through some functional and > performance testing.
FYI, the percpu_ref changes needed by this patchset are applied to percpu/for-3.17 branch which is stable and can be pulled into the block tree.
git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu.git for-3.17
Thanks.
-- tejun
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