Re: [RFC PATCH 31/68] vfs: Convert qib_fs/ipathfs to use the new mount API

[Dennis Dalessandro]

On 3/27/2019 7:44 PM, David Howells wrote:
> Convert the qib_fs/ipathfs filesystem to the new internal mount API as the old
> one will be obsoleted and removed.  This allows greater flexibility in
> communication of mount parameters between userspace, the VFS and the
> filesystem.
>
> See Documentation/filesystems/mount_api.txt for more information.
>
> [Q] Can qib_remove() race with qibfs_kill_super()?  Should qib_super
>      accesses be serialised with some sort of lock?

Sure looks to be possible to me. Although I don't think that's a reason 
not to apply your patch, you aren't making it any worse I don't think.

> Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
> cc: Dennis Dalessandro <dennis.dalessandro@xxxxxxxxx>
> cc: Mike Marciniszyn <mike.marciniszyn@xxxxxxxxx>
> cc: linux-rdma@xxxxxxxxxxxxxxx

Reviewed-by: Dennis Dalessandro <dennis.dalessandro@xxxxxxxxx>