netdev - [PATCH net-next 6/9] rxrpc: Add ktime_sub

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Message-ID: <147450479045.14691.9878291038872962775.stgit@warthog.procyon.org.uk>
Date:   Thu, 22 Sep 2016 01:39:50 +0100
From:   David Howells <dhowells@...hat.com>
To:     netdev@...r.kernel.org
Cc:     dhowells@...hat.com, linux-afs@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH net-next 6/9] rxrpc: Add ktime_sub_ms()

Add a ktime_sub_ms() to go with ktime_add_ms() and co. for use in AF_RXRPC
RTT determination.

Signed-off-by: David Howells <dhowells@...hat.com>
---

 include/linux/ktime.h |    5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/linux/ktime.h b/include/linux/ktime.h
index 2b6a204bd8d4..aa118bad1407 100644
--- a/include/linux/ktime.h
+++ b/include/linux/ktime.h
@@ -231,6 +231,11 @@ static inline ktime_t ktime_sub_us(const ktime_t kt, const u64 usec)
 	return ktime_sub_ns(kt, usec * NSEC_PER_USEC);
 }
 
+static inline ktime_t ktime_sub_ms(const ktime_t kt, const u64 msec)
+{
+	return ktime_sub_ns(kt, msec * NSEC_PER_MSEC);
+}
+
 extern ktime_t ktime_add_safe(const ktime_t lhs, const ktime_t rhs);
 
 /**