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X-Comment-To: Andrew Morton
To: Andrew Morton <akpm@digeo.com>
Cc: Matthew Wilcox <willy@debian.org>, adilger@clusterfs.com,
       linux-kernel@vger.kernel.org, ext2-devel@lists.sourceforge.net
Subject: Re: [Ext2-devel] [PATCH] distributed counters for ext2 to avoid group scaning
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From: Alex Tomas <bzzz@tmi.comex.ru>
Organization: HOME
Date: 17 Mar 2003 23:40:12 +0300
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hi!

>>>>> Andrew Morton (AM) writes:

 AM> Which is why I'm waiting to see some profiles and benchmarks.
 AM> Judging from the last set of profiles, in which
 AM> ext2_count_free_blocks() was not present, this may not be
 AM> justified.

first of all, ext2_count_free_blocks() is used by orlov allocator
only which in turn is used to create dirs only. so, I do not think
dbench may show possible improvement. also, I understand it isn't
bottleneck absolutely, but I think it may reduce memory footprint.
Probably, we may use dcounters for huge fs only (i.e. make it
optional).

with best regards, Alex

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