[PATCH 1/2] lightnvm: break the loop when rqd is not null

From	Wenwei Tao <wwtao0320@163.com>
Newsgroups	linux.kernel
Subject	[PATCH 1/2] lightnvm: break the loop when rqd is not null
Date	2016-05-19 08:40 +0200
Message-ID	<rApMK-4Bp-3@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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From: Wenwei Tao <ww.tao0320@gmail.com>

Break the loop when rqd is not null to reduce
unnecessary schedule.

Signed-off-by: Wenwei Tao <ww.tao0320@gmail.com>
---
 drivers/lightnvm/rrpc.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/lightnvm/rrpc.c b/drivers/lightnvm/rrpc.c
index 2103e97..2915e39 100644
--- a/drivers/lightnvm/rrpc.c
+++ b/drivers/lightnvm/rrpc.c
@@ -98,6 +98,9 @@ static void rrpc_discard(struct rrpc *rrpc, struct bio *bio)
 
 	do {
 		rqd = rrpc_inflight_laddr_acquire(rrpc, slba, len);
+		if (rqd)
+			break;
+
 		schedule();
 	} while (!rqd);
 
-- 
1.8.3.1

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[PATCH 1/2] lightnvm: break the loop when rqd is not null Wenwei Tao <wwtao0320@163.com> - 2016-05-19 08:40 +0200
  [PATCH 2/2] lightnvm: hold nvm_lock until finish the target creation Wenwei Tao <wwtao0320@163.com> - 2016-05-19 08:40 +0200
    Re: [PATCH 2/2] lightnvm: hold nvm_lock until finish the target  creation Matias Bjørling <mb@lightnvm.io> - 2016-05-19 14:50 +0200
      Re: [PATCH 2/2] lightnvm: hold nvm_lock until finish the target creation Wenwei Tao <ww.tao0320@gmail.com> - 2016-05-19 17:20 +0200
  Re: [PATCH 1/2] lightnvm: break the loop when rqd is not null Matias Bjørling <mb@lightnvm.io> - 2016-05-19 14:50 +0200
    Re: [PATCH 1/2] lightnvm: break the loop when rqd is not null Wenwei Tao <ww.tao0320@gmail.com> - 2016-05-19 17:20 +0200

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