[PATCH] fs: export getname()

[Kent Overstreet <kent.overstreet@xxxxxxxxx>]

On Thu, Nov 16, 2023 at 05:08:32AM +0000, Al Viro wrote:
> (in #work.namei; used for bcachefs locking fix)
> From 74d016ecc1a7974664e98d1afbf649cd4e0e0423 Mon Sep 17 00:00:00 2001
> From: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
> Date: Wed, 15 Nov 2023 22:41:27 -0500
> Subject: [PATCH 1/2] new helper: user_path_locked_at()
> 
> Equivalent of kern_path_locked() taking dfd/userland name.
> User introduced in the next commit.

also applying this:
-- >8 --

The locking fix in bch2_ioctl_subvolume_destroy() also needs getname()
exported; previous patch provided filename_path_locked()

Signed-off-by: Kent Overstreet <kent.overstreet@xxxxxxxxx>

diff --git a/fs/namei.c b/fs/namei.c
index eab372e04767..83dd8b51995a 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -218,6 +218,7 @@ getname(const char __user * filename)
 {
 	return getname_flags(filename, 0, NULL);
 }
+EXPORT_SYMBOL(getname);
 
 struct filename *
 getname_kernel(const char * filename)