2019-09-05 23:05:44

by Vivek Goyal

[permalink] [raw]
Subject: [PATCH 17/18] virtiofs: Remove TODO to quiesce/end_requests

We now stop queues and drain all the pending requests from all virtqueues.
So this is not a TODO anymore.

Got rid of incrementing fc->dev_count as well. It did not seem meaningful
for virtio_fs.

Signed-off-by: Vivek Goyal <[email protected]>
---
fs/fuse/virtio_fs.c | 2 --
1 file changed, 2 deletions(-)

diff --git a/fs/fuse/virtio_fs.c b/fs/fuse/virtio_fs.c
index c483482185b6..eadaea6eb8e2 100644
--- a/fs/fuse/virtio_fs.c
+++ b/fs/fuse/virtio_fs.c
@@ -208,7 +208,6 @@ static void virtio_fs_free_devs(struct virtio_fs *fs)
if (!fsvq->fud)
continue;

- /* TODO need to quiesce/end_requests/decrement dev_count */
fuse_dev_free(fsvq->fud);
fsvq->fud = NULL;
}
@@ -1022,7 +1021,6 @@ static int virtio_fs_fill_super(struct super_block *sb)
if (i == VQ_REQUEST)
continue; /* already initialized */
fuse_dev_install(fsvq->fud, fc);
- atomic_inc(&fc->dev_count);
}

/* Previous unmount will stop all queues. Start these again */
--
2.20.1


2019-09-06 17:49:07

by Stefan Hajnoczi

[permalink] [raw]
Subject: Re: [PATCH 17/18] virtiofs: Remove TODO to quiesce/end_requests

On Thu, Sep 05, 2019 at 03:48:58PM -0400, Vivek Goyal wrote:
> We now stop queues and drain all the pending requests from all virtqueues.
> So this is not a TODO anymore.
>
> Got rid of incrementing fc->dev_count as well. It did not seem meaningful
> for virtio_fs.
>
> Signed-off-by: Vivek Goyal <[email protected]>
> ---
> fs/fuse/virtio_fs.c | 2 --
> 1 file changed, 2 deletions(-)

Reviewed-by: Stefan Hajnoczi <[email protected]>


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