This is a note to let you know that I've just added the patch titled
null_blk: add lightnvm null_blk device to the nullb_list
to the 4.5-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
null_blk-add-lightnvm-null_blk-device-to-the-nullb_list.patch
and it can be found in the queue-4.5 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 3681c85dffda70e551dead31c8d102bd69033fe8 Mon Sep 17 00:00:00 2001
From: Wenwei Tao <ww.tao0320@xxxxxxxxx>
Date: Sat, 5 Mar 2016 00:27:04 +0800
Subject: null_blk: add lightnvm null_blk device to the nullb_list
From: Wenwei Tao <ww.tao0320@xxxxxxxxx>
commit 3681c85dffda70e551dead31c8d102bd69033fe8 upstream.
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@xxxxxxxxx>
Fixes: a514379b0c77 ("null_blk: oops when initializing without lightnvm")
Signed-off-by: Jens Axboe <axboe@xxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/block/null_blk.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- 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:
Patches currently in stable-queue which might be from ww.tao0320@xxxxxxxxx are
queue-4.5/null_blk-add-lightnvm-null_blk-device-to-the-nullb_list.patch
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