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Re: [PATCH] nvme: make controller 'state' sysfs attribute pollable

From Christoph Hellwig <hch@lst.de>
Newsgroups linux.kernel
Subject Re: [PATCH] nvme: make controller 'state' sysfs attribute pollable
Date 2017-09-20 17:00 +0200
Message-ID <urODM-4pI-21@gated-at.bofh.it> (permalink)
References <urKJP-1Qq-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Wed, Sep 20, 2017 at 12:40:32PM +0200, Johannes Thumshirn wrote:
> Notify sysfs about changes of a nvme controller so user-space can watch the
> file via poll() or select() in order to react to a state change.

Userspace has no business polling for the state.

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[PATCH] nvme: make controller 'state' sysfs attribute pollable Johannes Thumshirn <jthumshirn@suse.de> - 2017-09-20 12:50 +0200
  Re: [PATCH] nvme: make controller 'state' sysfs attribute pollable Sagi Grimberg <sagi@grimberg.me> - 2017-09-20 12:50 +0200
  Re: [PATCH] nvme: make controller 'state' sysfs attribute pollable Christoph Hellwig <hch@lst.de> - 2017-09-20 17:00 +0200
    Re: [PATCH] nvme: make controller 'state' sysfs attribute pollable Johannes Thumshirn <jthumshirn@suse.de> - 2017-09-21 07:20 +0200
      Re: [PATCH] nvme: make controller 'state' sysfs attribute pollable Christoph Hellwig <hch@lst.de> - 2017-09-21 16:20 +0200
      Re: [PATCH] nvme: make controller 'state' sysfs attribute pollable Sagi Grimberg <sagi@grimberg.me> - 2017-09-25 07:40 +0200
        Re: [PATCH] nvme: make controller 'state' sysfs attribute pollable Hannes Reinecke <hare@suse.de> - 2017-09-25 08:00 +0200
          Re: [PATCH] nvme: make controller 'state' sysfs attribute pollable Sagi Grimberg <sagi@grimberg.me> - 2017-09-25 09:10 +0200
            Re: [PATCH] nvme: make controller 'state' sysfs attribute pollable Hannes Reinecke <hare@suse.de> - 2017-09-25 10:30 +0200
              Re: [PATCH] nvme: make controller 'state' sysfs attribute pollable Christoph Hellwig <hch@lst.de> - 2017-09-25 15:00 +0200
    Re: [PATCH] nvme: make controller 'state' sysfs attribute pollable Guan Junxiong <guanjunxiong@huawei.com> - 2017-09-21 14:50 +0200
      Re: [PATCH] nvme: make controller 'state' sysfs attribute pollable Sagi Grimberg <sagi@grimberg.me> - 2017-09-25 07:40 +0200

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