Messages in this thread | | | Date | Wed, 26 Jun 2019 12:06:10 +0200 | From | Christian Brauner <> | Subject | Re: [PATCH 03/25] vfs: Allow fsinfo() to query what's in an fs_context [ver #14] |
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On Wed, Jun 26, 2019 at 11:02:59AM +0100, David Howells wrote: > Christian Brauner <christian@brauner.io> wrote: > > > > + ret = mutex_lock_interruptible(&fc->uapi_mutex); > > > + if (ret == 0) { > > > + ret = -EIO; > > > > Why EIO when there's no root dentry? > > Because I don't want to use ENODATA/EBADF and preferably not EINVAL and > because the context you're accessing isn't in the correct state for you to be > able to do that. How about EBADFD ("File descriptor in bad state")?
Do we have that? If so that sounds good.
Christian
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