Messages in this thread | ![/](/images/icornerl.gif) | | From | Miklos Szeredi <> | Date | Wed, 4 Mar 2020 17:10:58 +0100 | Subject | Re: [PATCH 10/17] fsinfo: Allow mount information to be queried [ver #17] |
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On Fri, Feb 21, 2020 at 7:03 PM David Howells <dhowells@redhat.com> wrote: + > +/* > + * Return information about the submounts relative to path. > + */ > +int fsinfo_generic_mount_children(struct path *path, struct fsinfo_context *ctx) > +{ > + struct fsinfo_mount_child record; > + struct mount *m, *child; > + > + if (!path->mnt) > + return -ENODATA; > + > + m = real_mount(path->mnt); > + > + rcu_read_lock(); > + list_for_each_entry_rcu(child, &m->mnt_mounts, mnt_child) {
mnt_mounts is not using _rcu primitives, so why is this rcu safe?
Thanks, Miklos
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