linux-kernel - [PATCH 6/9] drbd: Get rid of the WORK

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Date:	Thu, 11 Sep 2014 14:29:10 +0200
From:	Philipp Reisner <philipp.reisner@...bit.com>
To:	Jens Axboe <axboe@...nel.dk>, linux-kernel@...r.kernel.org
Cc:	drbd-dev@...ts.linbit.com
Subject: [PATCH 6/9] drbd: Get rid of the WORK_PENDING macro

From: Andreas Gruenbacher <andreas.gruenbacher@...il.com>

This macro doesn't add any value; just use test_bit() instead.

Signed-off-by: Philipp Reisner <philipp.reisner@...bit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@...bit.com>
---
 drivers/block/drbd/drbd_worker.c | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c
index b20cd21..3b74f08 100644
--- a/drivers/block/drbd/drbd_worker.c
+++ b/drivers/block/drbd/drbd_worker.c
@@ -1931,19 +1931,18 @@ void __update_timing_details(
 	++(*cb_nr);
 }
 
-#define WORK_PENDING(work_bit, todo)	(todo & (1UL << work_bit))
 static void do_device_work(struct drbd_device *device, const unsigned long todo)
 {
-	if (WORK_PENDING(MD_SYNC, todo))
+	if (test_bit(MD_SYNC, &todo))
 		do_md_sync(device);
-	if (WORK_PENDING(RS_DONE, todo) ||
-	    WORK_PENDING(RS_PROGRESS, todo))
-		update_on_disk_bitmap(device, WORK_PENDING(RS_DONE, todo));
-	if (WORK_PENDING(GO_DISKLESS, todo))
+	if (test_bit(RS_DONE, &todo) ||
+	    test_bit(RS_PROGRESS, &todo))
+		update_on_disk_bitmap(device, test_bit(RS_DONE, &todo));
+	if (test_bit(GO_DISKLESS, &todo))
 		go_diskless(device);
-	if (WORK_PENDING(DESTROY_DISK, todo))
+	if (test_bit(DESTROY_DISK, &todo))
 		drbd_ldev_destroy(device);
-	if (WORK_PENDING(RS_START, todo))
+	if (test_bit(RS_START, &todo))
 		do_start_resync(device);
 }
 
-- 
1.9.1

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