From adf8d90b6a949dc80e827263fccb31f8eb08a55d Mon Sep 17 00:00:00 2001
From: Chao Yu <chao2.yu@samsung.com>
Date: Thu, 8 May 2014 17:00:35 +0800
Subject: [PATCH] f2fs: avoid to use slab memory in f2fs_issue_flush for
 efficiency

If we use slab memory in f2fs_issue_flush(), we will face memory pressure and
latency time caused by racing of kmem_cache_{alloc,free}.

Let's alloc memory in stack instead of slab.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
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