On Tue, Sep 23, 2014 at 01:55:09AM -0400, Tejun Heo wrote:
> 0001-percpu_ref-relocate-percpu_ref_reinit.patch
> 0002-percpu_ref-minor-code-and-comment-updates.patch
> 0003-percpu_ref-replace-pcpu_-prefix-with-percpu_.patch
> 0004-percpu_ref-rename-things-to-prepare-for-decoupling-p.patch
> 000
Hello,
Over the past several months, percpu_ref grew use cases where it's
used as a persistent on/off switch which may be cycled multiple times
using percpu_ref_reinit(). One of such use cases is blk-mq's
mq_usage_counter which tracks the number of in-flight commands and is
used to drain them. U
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