From: Wenwei Tao <ww.tao0320@gmail.com>
To: axboe@fb.com
Cc: linux-kernel@vger.kernel.org, linux-block@vger.kernel.org
Subject: [PATCH] null_blk: add lightnvm null_blk device to the nullb_list
Date: Sat, 5 Mar 2016 00:27:04 +0800 [thread overview]
Message-ID: <1457108824-3792-1-git-send-email-ww.tao0320@gmail.com> (raw)
After register null_blk devices into lightnvm, we forget
to add these devices to the the nullb_list, makes them
invisible to the null_blk driver.
Signed-off-by: Wenwei Tao <ww.tao0320@gmail.com>
---
drivers/block/null_blk.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c
index 64a7b59..cab9759 100644
--- a/drivers/block/null_blk.c
+++ b/drivers/block/null_blk.c
@@ -742,10 +742,11 @@ static int null_add_dev(void)
add_disk(disk);
+done:
mutex_lock(&lock);
list_add_tail(&nullb->list, &nullb_list);
mutex_unlock(&lock);
-done:
+
return 0;
out_cleanup_lightnvm:
--
1.8.3.1
next reply other threads:[~2016-03-04 16:28 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-04 16:27 Wenwei Tao [this message]
2016-03-04 16:33 ` Jens Axboe
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