This is a note to let you know that I've just added the patch titled
nvmet: cancel fatal error and flush async work before free controller
to the 4.9-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:
nvmet-cancel-fatal-error-and-flush-async-work-before-free-controller.patch
and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From foo@baz Wed Dec 6 17:39:55 CET 2017
From: Sagi Grimberg <sagi@xxxxxxxxxxx>
Date: Sun, 1 Jan 2017 13:41:56 +0200
Subject: nvmet: cancel fatal error and flush async work before free controller
From: Sagi Grimberg <sagi@xxxxxxxxxxx>
[ Upstream commit 06406d81a2d7cfb8abcc4fa6cdfeb8e5897007c5 ]
Make sure they are not running and we can free the controller
safely.
Signed-off-by: Roy Shterman <roys@xxxxxxxxxxxxxxxxx>
Signed-off-by: Sagi Grimberg <sagi@xxxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/nvme/target/core.c | 3 +++
1 file changed, 3 insertions(+)
--- a/drivers/nvme/target/core.c
+++ b/drivers/nvme/target/core.c
@@ -816,6 +816,9 @@ static void nvmet_ctrl_free(struct kref
list_del(&ctrl->subsys_entry);
mutex_unlock(&subsys->lock);
+ flush_work(&ctrl->async_event_work);
+ cancel_work_sync(&ctrl->fatal_err_work);
+
ida_simple_remove(&subsys->cntlid_ida, ctrl->cntlid);
nvmet_subsys_put(subsys);
Patches currently in stable-queue which might be from sagi@xxxxxxxxxxx are
queue-4.9/nvmet-cancel-fatal-error-and-flush-async-work-before-free-controller.patch