From: Jiro SEKIBA <jir@unicus.jp>
Date: Sat, 30 Jan 2010 09:06:35 +0000 (+0900)
Subject: nilfs2: issue discard request after cleaning segments
X-Git-Tag: v2.6.34-rc1~213^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e902ec9906e844f4613fa6190c6fa65f162dc86e;p=pandora-kernel.git

nilfs2: issue discard request after cleaning segments

This adds a function to send discard requests for given array of
segment numbers, and calls the function when garbage collection
succeeded.

Signed-off-by: Jiro SEKIBA <jir@unicus.jp>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
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