From ddf9e2ff67a910acde1d000e76b7e31267599539 Mon Sep 17 00:00:00 2001 From: Amir Goldstein Date: Fri, 8 Sep 2023 16:29:00 +0300 Subject: fs: export mnt_{get,put}_write_access() to modules Overlayfs is going to use those to get write access on the upper mount during entire copy up without taking freeze protection on upper sb for the entire copy up. Signed-off-by: Amir Goldstein Message-Id: <20230908132900.2983519-3-amir73il@gmail.com> Signed-off-by: Christian Brauner --- fs/namespace.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'fs/namespace.c') diff --git a/fs/namespace.c b/fs/namespace.c index 3fe7c0484e6a..9e0ea73f2ff9 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -386,6 +386,7 @@ int mnt_get_write_access(struct vfsmount *m) return ret; } +EXPORT_SYMBOL_GPL(mnt_get_write_access); /** * mnt_want_write - get write access to a mount @@ -466,6 +467,7 @@ void mnt_put_write_access(struct vfsmount *mnt) mnt_dec_writers(real_mount(mnt)); preempt_enable(); } +EXPORT_SYMBOL_GPL(mnt_put_write_access); /** * mnt_drop_write - give up write access to a mount -- cgit