From: Jiaying Zhang <jiayingz@google.com>
Date: Tue, 27 Jul 2010 15:56:05 +0000 (-0400)
Subject: ext4: Support discard requests when running in no-journal mode
X-Git-Tag: v2.6.36-rc1~501^2~21
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5c521830cf3dfcf7638d409d8e02ed21020c064f;p=pandora-kernel.git

ext4: Support discard requests when running in no-journal mode

Issue discard request in ext4_free_blocks() when ext4 has no journal and
is mounted with discard option.

Signed-off-by: Jiaying Zhang <jiayingz@google.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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