From: Bob Peterson <rpeterso@redhat.com>
Date: Thu, 15 Sep 2011 13:59:56 +0000 (-0400)
Subject: GFS2: speed up delete/unlink performance for large files
X-Git-Tag: v3.2-rc1~132^2~4
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bd5437a7d4307a35f2c7cc19cad706ec0e5d61f0;p=pandora-kernel.git

GFS2: speed up delete/unlink performance for large files

This patch improves the performance of delete/unlink
operations in a GFS2 file system where the files are large
by adding a layer of metadata read-ahead for indirect blocks.
Mileage will vary, but on my system, deleting an 8.6G file
dropped from 22 seconds to about 4.5 seconds.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
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