From: Al Viro <viro@zeniv.linux.org.uk>
Date: Thu, 21 Aug 2025 01:40:07 +0000 (-0400)
Subject: propagate_mnt(): use scoped_guard(mount_locked_reader) for mnt_set_mountpoint()
X-Git-Tag: v6.18-rc1~128^2~53
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=511db073b2150388dd05258ca2d7045dd0784033;p=thirdparty%2Flinux.git

propagate_mnt(): use scoped_guard(mount_locked_reader) for mnt_set_mountpoint()

Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

diff --git a/fs/pnode.c b/fs/pnode.c
index 6f7d02f3fa985..0702d45d856dd 100644
--- a/fs/pnode.c
+++ b/fs/pnode.c
@@ -304,9 +304,8 @@ int propagate_mnt(struct mount *dest_mnt, struct mountpoint *dest_mp,
 				err = PTR_ERR(this);
 				break;
 			}
-			read_seqlock_excl(&mount_lock);
-			mnt_set_mountpoint(n, dest_mp, this);
-			read_sequnlock_excl(&mount_lock);
+			scoped_guard(mount_locked_reader)
+				mnt_set_mountpoint(n, dest_mp, this);
 			if (n->mnt_master)
 				SET_MNT_MARK(n->mnt_master);
 			copy = this;