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Date:	Mon, 16 May 2016 13:32:28 -0700
From:	Linus Torvalds <>
To:	Ingo Molnar <>, Michal Hocko <>,
	Al Viro <>
Cc:	Linux Kernel Mailing List <>,
	Peter Zijlstra <>,
	Thomas Gleixner <>,
	Andrew Morton <>
Subject: Re: [GIT PULL] killable rwsems for v4.7

On Mon, May 16, 2016 at 7:55 AM, Ingo Molnar <> wrote:
> This tree, by Michal Hocko, implements down_write_killable(). The main usecase
> will be to update mm_sem usage sites to use this new API,

Hmm. Is somebody (Michal?) looking at down_read_killable() too?

The VFS layer will want it with the pending parallel lookup code - the
inode semaphore is being converted to a rwsem, and there's a couple of
"killable" users.. The first step actually just wants to the exclusive
case (ie the write case that this adds), but I think the readdir code
could really use a reading version too..


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