[PATCH v6 11/40] stat: handle idmapped mounts

[James Morris]

On Thu, 21 Jan 2021, Christian Brauner wrote:

> The generic_fillattr() helper fills in the basic attributes associated
> with an inode. Enable it to handle idmapped mounts. If the inode is
> accessed through an idmapped mount map it into the mount's user
> namespace before we store the uid and gid. If the initial user namespace
> is passed nothing changes so non-idmapped mounts will see identical
> behavior as before.
> 
> Link: https://lore.kernel.org/r/20210112220124.837960-19-christian.brauner@ubuntu.com
> Cc: Christoph Hellwig <hch at lst.de>
> Cc: David Howells <dhowells at redhat.com>
> Cc: Al Viro <viro at zeniv.linux.org.uk>
> Cc: linux-fsdevel at vger.kernel.org
> Reviewed-by: Christoph Hellwig <hch at lst.de>
> Signed-off-by: Christian Brauner <christian.brauner at ubuntu.com>

Reviewed-by: James Morris <jamorris at linux.microsoft.com>


-- 
James Morris
<jmorris at namei.org>