linux-kernel - Re: [PATCH 4.4 72/88] block: dont deal with discard limit in blkdev_issue

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Date:   Fri, 11 Jan 2019 15:35:14 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Mike Snitzer <snitzer@...hat.com>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Ming Lin <ming.l@....samsung.com>,
        Christoph Hellwig <hch@....de>, Xiao Ni <xni@...hat.com>,
        Mariusz Dabrowski <mariusz.dabrowski@...el.com>,
        Ming Lei <ming.lei@...hat.com>, Jens Axboe <axboe@...nel.dk>,
        Sudip Mukherjee <sudipm.mukherjee@...il.com>
Subject: Re: [PATCH 4.4 72/88] block: dont deal with discard limit in
 blkdev_issue_discard()

On Fri, Jan 11, 2019 at 09:25:39AM -0500, Mike Snitzer wrote:
> On Fri, Jan 11 2019 at  9:08am -0500,
> Greg Kroah-Hartman <gregkh@...uxfoundation.org> wrote:
> 
> > 4.4-stable review patch.  If anyone has any objections, please let me know.
> > 
> > ------------------
> > 
> > From: Ming Lei <ming.lei@...hat.com>
> > 
> > commit 744889b7cbb56a64f957e65ade7cb65fe3f35714 upstream.
> 
> Hi Greg,
> 
> Please also pick up this commit:
> 89f5fa47476eda56402e29fff3c5097f5c2a1e19 ("dm: call blk_queue_split() to
> impose device limits on bios")

That's going to be hard as the dependancy for that patch is not here in
4.4.y, and this patch itself isn't even in anything older than 4.19.y.
So why add it here to 4.4.y only?

Can you send the needed patch series to the stable@ mailing list for the
different stable trees if this needs to get into them?

thanks,

greg k-h