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Message-ID: <57446CB5.6080203@kernel.dk> Date: Tue, 24 May 2016 09:01:09 -0600 From: Jens Axboe <axboe@...nel.dk> To: Jiri Kosina <jikos@...nel.org> Cc: Kent Overstreet <kent.overstreet@...il.com>, Eric Wheeler <bcache@...ts.ewheeler.net>, linux-bcache@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH 1/4] bcache: bch_writeback_thread() is not freezable On 05/24/2016 08:38 AM, Jiri Kosina wrote: > From: Jiri Kosina <jkosina@...e.cz> > > bch_writeback_thread() is calling try_to_freeze(), but that's just an > expensive no-op given the fact that the thread is not marked freezable. > > I/O helper kthreads, exactly such as the bcache writeback thread, actually > shouldn't be freezable, because they are potentially necessary for > finalizing the image write-out. Applied 1-4, thanks Jiri. -- Jens Axboe
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