On Thu, Aug 17, 2023 at 08:44:46AM +0300, Amir Goldstein wrote: > overlayfs is going to use those to grab a write reference on the > upper fs during copy up. > > Signed-off-by: Amir Goldstein <amir73il@xxxxxxxxx> > --- > > Christian, > > This patch is needed for the ovl_want_write() changes [1], > which I forgot to CC you on. > > Please ACK if you approve. > > Thanks, > Amir. > > [1] https://lore.kernel.org/linux-unionfs/20230816152334.924960-1-amir73il@xxxxxxxxx/ > > fs/namespace.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/fs/namespace.c b/fs/namespace.c > index e157efc54023..370328b204f1 100644 > --- a/fs/namespace.c > +++ b/fs/namespace.c > @@ -386,6 +386,7 @@ int __mnt_want_write(struct vfsmount *m) > > return ret; > } > +EXPORT_SYMBOL_GPL(__mnt_want_write); Puh, not excited about that but also no real reason to say no other than generic worries about it being abused. But maybe let's not export underscore variants. Might make sense to at least name them differently? mnt_want_write_locked()?
