diff mbox series

[2/2] fs: export mnt_{get,put}_write_access() to modules

Message ID 20230908132900.2983519-3-amir73il@gmail.com (mailing list archive)
State New, archived
Headers show
Series Rename and export some vfs helpers | expand

Commit Message

Amir Goldstein Sept. 8, 2023, 1:29 p.m. UTC 
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 <amir73il@gmail.com>
---
 fs/namespace.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

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