lkml.org 
[lkml]   [2019]   [Sep]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 16/18] virtiofs: Use virtio_fs_mutex for races w.r.t ->remove and mount path
On Thu, Sep 05, 2019 at 03:48:57PM -0400, Vivek Goyal wrote:
> It is possible that a mount is in progress and device is being removed at
> the same time. Use virtio_fs_mutex to avoid races.
>
> This also takes care of bunch of races and removes some TODO items.
>
> Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
> ---
> fs/fuse/virtio_fs.c | 32 ++++++++++++++++++++++----------
> 1 file changed, 22 insertions(+), 10 deletions(-)

Let's move to a per-device mutex in the future. That way a single
device that fails to drain/complete requests will not hang all other
virtio-fs instances. This is fine for now.

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
[unhandled content-type:application/pgp-signature]
\
 
 \ /
  Last update: 2019-09-06 14:06    [W:0.219 / U:9.412 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site