From: ZhangZhen <zhenzhang.zhang@huawei.com>
Date: Wed, 26 Feb 2014 02:32:41 +0000 (+0800)
Subject: ext2/3: use prandom_u32() instead of get_random_bytes()
X-Git-Tag: v3.15-rc1~53^2~8
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e878167af92fda03eb3a8597eec24128d4d47c43;p=pandora-kernel.git

ext2/3: use prandom_u32() instead of get_random_bytes()

Many of the uses of get_random_bytes() do not actually need
cryptographically secure random numbers.  Replace those uses with a
call to prandom_u32(), which is faster and which doesn't consume
entropy from the /dev/random driver.

The commit dd1f723bf56bd96efc9d90e9e60dc511c79de48f has made that for
ext4, and i did the same for ext2/3.

Signed-off-by: Zhang Zhen <zhenzhang.zhang@huawei.com>
Signed-off-by: Jan Kara <jack@suse.cz>
---

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