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); /** * mnt_want_write - get write access to a mount @@ -466,6 +467,7 @@ void __mnt_drop_write(struct vfsmount *mnt) mnt_dec_writers(real_mount(mnt)); preempt_enable(); } +EXPORT_SYMBOL_GPL(__mnt_drop_write); /** * mnt_drop_write - give up write access to a mount -- 2.34.1
