From: Greg KH <gregkh@linuxfoundation.org>
To: Suren Baghdasaryan <surenb@google.com>
Cc: tj@kernel.org, lizefan@huawei.com, hannes@cmpxchg.org,
axboe@kernel.dk, dennis@kernel.org, dennisszhou@gmail.com,
mingo@redhat.com, peterz@infradead.org,
akpm@linux-foundation.org, corbet@lwn.net,
cgroups@vger.kernel.org, linux-mm@kvack.org,
linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
kernel-team@android.com
Subject: Re: [PATCH v2 1/5] fs: kernfs: add poll file operation
Date: Fri, 11 Jan 2019 07:25:56 +0100 [thread overview]
Message-ID: <20190111062556.GA348@kroah.com> (raw)
In-Reply-To: <20190110220718.261134-2-surenb@google.com>
On Thu, Jan 10, 2019 at 02:07:14PM -0800, Suren Baghdasaryan wrote:
> From: Johannes Weiner <hannes@cmpxchg.org>
>
> Kernfs has a standardized poll/notification mechanism for waking all
> pollers on all fds when a filesystem node changes. To allow polling
> for custom events, add a .poll callback that can override the default.
>
> This is in preparation for pollable cgroup pressure files which have
> per-fd trigger configurations.
>
> Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
> Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
next prev parent reply other threads:[~2019-01-11 6:26 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-10 22:07 [PATCH v2 0/5] psi: pressure stall monitors v2 Suren Baghdasaryan
2019-01-10 22:07 ` [PATCH v2 1/5] fs: kernfs: add poll file operation Suren Baghdasaryan
2019-01-11 6:25 ` Greg KH [this message]
2019-01-10 22:07 ` [PATCH v2 2/5] kernel: cgroup: " Suren Baghdasaryan
2019-01-10 22:07 ` [PATCH v2 3/5] psi: introduce state_mask to represent stalled psi states Suren Baghdasaryan
2019-01-10 22:07 ` [PATCH v2 4/5] psi: rename psi fields in preparation for psi trigger addition Suren Baghdasaryan
2019-01-10 22:07 ` [PATCH v2 5/5] psi: introduce psi monitor Suren Baghdasaryan
2019-01-14 10:21 ` Peter Zijlstra
2019-01-14 19:30 ` Suren Baghdasaryan
2019-01-14 19:42 ` Johannes Weiner
2019-01-14 20:47 ` Suren Baghdasaryan
2019-01-16 13:24 ` Peter Zijlstra
2019-01-16 17:39 ` Suren Baghdasaryan
2019-01-16 19:17 ` Johannes Weiner
2019-01-16 19:27 ` Johannes Weiner
2019-01-16 21:29 ` Suren Baghdasaryan
2019-01-17 8:13 ` Peter Zijlstra
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