From: Jens Axboe <jens.axboe@oracle.com>
Date: Mon, 6 Apr 2009 12:48:05 +0000 (+0200)
Subject: jbd2: use WRITE_SYNC_PLUG instead of WRITE_SYNC
X-Git-Tag: v2.6.30-rc1~191
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4194b1eaf18ddc3eee9597e8800b6d2ffdfd3614;p=pandora-kernel.git

jbd2: use WRITE_SYNC_PLUG instead of WRITE_SYNC

When you are going to be submitting several sync writes, we want to
give the IO scheduler a chance to merge some of them. Instead of
using the implicitly unplugging WRITE_SYNC variant, use WRITE_SYNC_PLUG
and rely on sync_buffer() doing the unplug when someone does a
wait_on_buffer()/lock_buffer().

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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