linux-kernel - [PATCH 19/21] libceph: Remove CURRENT

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Date:	Wed,  8 Jun 2016 22:05:03 -0700
From:	Deepa Dinamani <deepa.kernel@...il.com>
To:	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	Arnd Bergmann <arnd@...db.de>,
	Thomas Gleixner <tglx@...utronix.de>,
	Al Viro <viro@...iv.linux.org.uk>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	y2038@...ts.linaro.org, "Yan, Zheng" <zyan@...hat.com>,
	Sage Weil <sage@...hat.com>, Ilya Dryomov <idryomov@...il.com>,
	ceph-devel@...r.kernel.org
Subject: [PATCH 19/21] libceph: Remove CURRENT_TIME references

CURRENT_TIME is not y2038 safe.
The macro will be deleted and all the references to it
will be replaced by ktime_get_* apis.

struct timespec is also not y2038 safe.
Retain timespec for timestamp representation here as ceph
uses it internally everywhere.
These references will be changed to use struct timespec64
in a separate patch.

Signed-off-by: Deepa Dinamani <deepa.kernel@...il.com>
Cc: "Yan, Zheng" <zyan@...hat.com>
Cc: Sage Weil <sage@...hat.com>
Cc: Ilya Dryomov <idryomov@...il.com>
Cc: ceph-devel@...r.kernel.org
---
 net/ceph/messenger.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index a550289..1825eed 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -1366,8 +1366,9 @@ static void prepare_write_keepalive(struct ceph_connection *con)
 	dout("prepare_write_keepalive %p\n", con);
 	con_out_kvec_reset(con);
 	if (con->peer_features & CEPH_FEATURE_MSGR_KEEPALIVE2) {
-		struct timespec now = CURRENT_TIME;
+		struct timespec now;
 
+		ktime_get_real_ts(&now);
 		con_out_kvec_add(con, sizeof(tag_keepalive2), &tag_keepalive2);
 		ceph_encode_timespec(&con->out_temp_keepalive2, &now);
 		con_out_kvec_add(con, sizeof(con->out_temp_keepalive2),
@@ -3149,8 +3150,9 @@ bool ceph_con_keepalive_expired(struct ceph_connection *con,
 {
 	if (interval > 0 &&
 	    (con->peer_features & CEPH_FEATURE_MSGR_KEEPALIVE2)) {
-		struct timespec now = CURRENT_TIME;
+		struct timespec now;
 		struct timespec ts;
+		ktime_get_real_ts(&now);
 		jiffies_to_timespec(interval, &ts);
 		ts = timespec_add(con->last_keepalive_ack, ts);
 		return timespec_compare(&now, &ts) >= 0;
-- 
1.9.1