From: Stefan Hajnoczi <stefanha@redhat.com>
To: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Cc: virtio-fs@redhat.com, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH 4/5] virtiofsd: drop lo_dirp->fd field
Date: Thu, 1 Aug 2019 10:07:38 +0100 [thread overview]
Message-ID: <20190801090738.GA15179@stefanha-x1.localdomain> (raw)
In-Reply-To: <20190731172716.GK3203@work-vm>
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On Wed, Jul 31, 2019 at 06:27:16PM +0100, Dr. David Alan Gilbert wrote:
> * Stefan Hajnoczi (stefanha@redhat.com) wrote:
> > fdopendir(3) takes ownership of the file descriptor. The presence of
> > the lo_dirp->fd field could lead to someone incorrectly adding a
> > close(d->fd) cleanup call in the future.
> >
> > Do not store the file descriptor in struct lo_dirp since it is unused.
> >
> > Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
>
> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
>
>
> Thanks, applied; note:
> a) This looks like it can go into upstream libfuse
> b) I think we're probably leaking DIR *'s if we do an lo_shutdown;
> I've added that to my todo
FUSE_DESTROY is current broken, it leaks resources and is not
thread-safe. It's something I'll tackle in multithreading preparation
part 3.
Stefan
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next prev parent reply other threads:[~2019-08-01 9:08 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-26 9:10 [Qemu-devel] [PATCH 0/5] virtiofsd: multithreading preparation Stefan Hajnoczi
2019-07-26 9:10 ` [Qemu-devel] [PATCH 1/5] virtiofsd: skip unnecessary vu_queue_get_avail_bytes() Stefan Hajnoczi
2019-07-26 21:35 ` [Qemu-devel] [Virtio-fs] " Liu Bo
2019-07-31 16:50 ` [Qemu-devel] " Dr. David Alan Gilbert
2019-07-26 9:11 ` [Qemu-devel] [PATCH 2/5] virtiofsd: prevent lo_lookup() NULL pointer dereference Stefan Hajnoczi
2019-07-26 21:26 ` [Qemu-devel] [Virtio-fs] " Liu Bo
2019-07-29 8:15 ` Stefan Hajnoczi
2019-07-28 2:06 ` piaojun
2019-07-29 12:35 ` piaojun
2019-07-29 15:41 ` Stefan Hajnoczi
2019-07-30 0:34 ` piaojun
2019-07-26 9:11 ` [Qemu-devel] [PATCH 3/5] virtiofsd: make lo_release() atomic Stefan Hajnoczi
2019-07-31 16:56 ` Dr. David Alan Gilbert
2019-07-26 9:11 ` [Qemu-devel] [PATCH 4/5] virtiofsd: drop lo_dirp->fd field Stefan Hajnoczi
2019-07-31 17:27 ` Dr. David Alan Gilbert
2019-08-01 9:07 ` Stefan Hajnoczi [this message]
2019-07-26 9:11 ` [Qemu-devel] [PATCH 5/5] virtiofsd: prevent races with lo_dirp_put() Stefan Hajnoczi
2019-07-31 17:44 ` Dr. David Alan Gilbert
2019-08-01 9:15 ` Stefan Hajnoczi
2019-08-01 11:14 ` Dr. David Alan Gilbert
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