From 40a02be1781f726ee015bcf7c8961a71a2a50f05 Mon Sep 17 00:00:00 2001
From: Jaegeuk Kim <jaegeuk@kernel.org>
Date: Mon, 11 May 2015 20:03:49 -0700
Subject: [PATCH] f2fs: do not issue next dnode discard redundantly

We have a discard map, so that we can avoid redundant discard issues.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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