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Commit 2e61ebbc authored by NeilBrown's avatar NeilBrown
Browse files

md/bitmap: daemon_work cleanup. 



We have a variable 'mddev' in this function, but repeatedly get the
same value by dereferencing bitmap->mddev.
There is room for simplification here...

Signed-off-by: default avatarNeilBrown <neilb@suse.de>
parent 506c9e44

drivers/md/bitmap.c

+5 −5
Original line number Diff line number Diff line
@@ -1149,12 +1149,12 @@ void bitmap_daemon_work(struct mddev *mddev) 
		return;

	}

	if (time_before(jiffies, bitmap->daemon_lastrun

			+ bitmap->mddev->bitmap_info.daemon_sleep))

			+ mddev->bitmap_info.daemon_sleep))

		goto done;



	bitmap->daemon_lastrun = jiffies;

	if (bitmap->allclean) {

		bitmap->mddev->thread->timeout = MAX_SCHEDULE_TIMEOUT;

		mddev->thread->timeout = MAX_SCHEDULE_TIMEOUT;

		goto done;

	}

	bitmap->allclean = 1;
@@ -1206,7 +1206,7 @@ void bitmap_daemon_work(struct mddev *mddev) 
			 * sure that events_cleared is up-to-date.

			 */

			if (bitmap->need_sync &&

			    bitmap->mddev->bitmap_info.external == 0) {

			    mddev->bitmap_info.external == 0) {

				bitmap_super_t *sb;

				bitmap->need_sync = 0;

				sb = kmap_atomic(bitmap->sb_page, KM_USER0);
@@ -1270,8 +1270,8 @@ void bitmap_daemon_work(struct mddev *mddev) 


 done:

	if (bitmap->allclean == 0)

		bitmap->mddev->thread->timeout =

			bitmap->mddev->bitmap_info.daemon_sleep;

		mddev->thread->timeout =

			mddev->bitmap_info.daemon_sleep;

	mutex_unlock(&mddev->bitmap_info.mutex);

}