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drbd: rename random32() to prandom_u32()

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Use preferable function name which implies using a pseudo-random
number generator.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Akinobu Mita 2013-04-29 16:21:31 -07:00 committed by Linus Torvalds
parent 6d65df3325
commit 38b682b261
1 changed files with 3 additions and 2 deletions
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5
drivers/block/drbd/drbd_receiver.c
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@ -757,7 +757,8 @@ static struct socket *drbd_wait_for_connect(struct drbd_tconn *tconn, struct acc
rcu_read_unlock();
timeo = connect_int * HZ;
timeo += (random32() & 1) ? timeo / 7 : -timeo / 7; /* 28.5% random jitter */
/* 28.5% random jitter */
timeo += (prandom_u32() & 1) ? timeo / 7 : -timeo / 7;
err = wait_for_completion_interruptible_timeout(&ad->door_bell, timeo);
if (err <= 0)
@ -953,7 +954,7 @@ retry:
conn_warn(tconn, "Error receiving initial packet\n");
sock_release(s);
randomize:
if (random32() & 1)
if (prandom_u32() & 1)
goto retry;
}
}