linux-kernel - Re: [PATCH 02/18] virtiofs: Check whether hiprio queue is connected at submission time

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Date:   Fri, 6 Sep 2019 11:43:29 +0100
From:   Stefan Hajnoczi <stefanha@...hat.com>
To:     Vivek Goyal <vgoyal@...hat.com>
Cc:     linux-fsdevel@...r.kernel.org,
        virtualization@...ts.linux-foundation.org, miklos@...redi.hu,
        linux-kernel@...r.kernel.org, virtio-fs@...hat.com,
        dgilbert@...hat.com, mst@...hat.com
Subject: Re: [PATCH 02/18] virtiofs: Check whether hiprio queue is connected
 at submission time

On Thu, Sep 05, 2019 at 03:48:43PM -0400, Vivek Goyal wrote:
> For hiprio queue (forget requests), we are keeping a state in queue whether
> queue is connected or not. If queue is not connected, do not try to submit
> request and return error instead.
> 
> As of now, we are checking for this state only in path where worker tries
> to submit forget after first attempt failed. Check this state even in
> the path when request is being submitted first time.
> 
> Signed-off-by: Vivek Goyal <vgoyal@...hat.com>
> ---
>  fs/fuse/virtio_fs.c | 9 ++++++++-
>  1 file changed, 8 insertions(+), 1 deletion(-)

Reviewed-by: Stefan Hajnoczi <stefanha@...hat.com>

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