linux-kernel - Re: linux-next: Tree for May 12 (fs/namespace.c)

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Date:   Tue, 19 May 2020 17:51:13 +0100
From:   David Howells <dhowells@...hat.com>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     dhowells@...hat.com, Stephen Rothwell <sfr@...b.auug.org.au>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux FS Devel <linux-fsdevel@...r.kernel.org>,
        Al Viro <viro@...IV.linux.org.uk>
Subject: Re: linux-next: Tree for May 12 (fs/namespace.c)

Randy Dunlap <rdunlap@...radead.org> wrote:

>   CC      fs/namespace.o
> ../fs/namespace.c: In function "fsinfo_generic_mount_topology":
> ../fs/namespace.c:4274:42: error: "struct mount" has no member named "mnt_topology_changes"
>   p->mnt_topology_changes = atomic_read(&m->mnt_topology_changes);
>                                           ^~
> 
> i.e., CONFIG_MOUNT_NOTIFICATIONS is not set/enabled.

All the accesses to struct mount::mnt_topology_changes should now be wrapped
in #ifdef CONFIG_MOUNT_NOTIFICATIONS.

David