linux-ext4 - Re: [PATCH] ext4: fix extent cache fragmentation

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Date:	Mon, 14 Mar 2016 18:18:44 +0300
From:	Dmitry Monakhov <dmonakhov@...nvz.org>
To:	Theodore Ts'o <tytso@....edu>
Cc:	Jan Kara <jack@...e.cz>, linux-ext4@...r.kernel.org
Subject: Re: [PATCH] ext4: fix extent cache fragmentation

Theodore Ts'o <tytso@....edu> writes:

> On Wed, Feb 24, 2016 at 03:17:40PM +0400, Dmitry Monakhov wrote:
>> > So in principle this patch is fine but I hate how handling of extent status
>> > tree is proliferating to fs/ext4/extent.c to handle some cases especially
>> > through special function flags. So looking into the code, probably it would
>> > make sense to move all updates of the extent status tree handling down into
>> > ext4_ext_map_blocks() and ext4_ind_map_blocks(). Thoughts?
>>
>> Agree. This was my initial diea but patch was too big for stable
>> releases. In fact this is not critical fix so we can simply make is
>> in good way and simply ignore @stable. Will send updated version shortly.
>
> Hi Dmitry,
>
> Have you had a chance to come up with an updated patch?
Not yet. But I plan to do it this week.
>
> Thanks,
>
> 						- Ted
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