#ifndef RND_H #define RND_H #define HIG_ENTROPY_SOURCE "/dev/random" #define LOW_ENTROPY_SOURCE "/dev/urandom" /* secrand is not really secure, but the name only suggests it's better to use * than rand(3) when transferring bytes over the network in non-security * critical structure members. secrand() is only used to fill up salts actually. */ extern int secrand(void); extern void gen_key_bytes(unsigned char *area, size_t len); #endif /* RND_H */ t.git Git repository'/>
summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorShuoran Liu <liushuoran@huawei.com>2016-08-29 11:27:56 +0800
committerJaegeuk Kim <jaegeuk@kernel.org>2016-09-07 17:27:40 -0700
commite7ba108a06216dae89a64c0243560502276b92d8 (patch)
treeee03ce54770cc7de009a11b4efd961671131fd18
parentbbf156f7afa7f3cc07177f1119878f6f60855fd1 (diff)
f2fs: add roll-forward recovery process for encrypted dentry
Add roll-forward recovery process for encrypted dentry, so the first fsync issued to an encrypted file does not need writing checkpoint. This improves the performance of the following test at thousands of small files: open -> write -> fsync -> close Signed-off-by: Shuoran Liu <liushuoran@huawei.com> Acked-by: Chao Yu <yuchao0@huawei.com> [Jaegeuk Kim: modify kernel message to show encrypted names] Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat