[PATCH 02/14] mnt: port to ns_ref_*() helpers
From: Christian Brauner <brauner@kernel.org>
Date: 2025-09-18 10:12:04
Also in:
cgroups, linux-fsdevel, lkml
Subsystem:
filesystems (vfs and infrastructure), the rest · Maintainers:
Alexander Viro, Christian Brauner, Linus Torvalds
Stop accessing ns.count directly. Signed-off-by: Christian Brauner <brauner@kernel.org> --- fs/mount.h | 2 +- fs/namespace.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/fs/mount.h b/fs/mount.h
index 76bf863c9ae2..79c85639a7ba 100644
--- a/fs/mount.h
+++ b/fs/mount.h@@ -143,7 +143,7 @@ static inline void detach_mounts(struct dentry *dentry) static inline void get_mnt_ns(struct mnt_namespace *ns) { - refcount_inc(&ns->ns.count); + ns_ref_inc(ns); } extern seqlock_t mount_lock;
diff --git a/fs/namespace.c b/fs/namespace.c
index 03bd04559e69..8cc04e0e64da 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c@@ -2111,7 +2111,7 @@ struct mnt_namespace *get_sequential_mnt_ns(struct mnt_namespace *mntns, bool pr * the mount namespace and it might already be on its * deathbed. */ - if (!refcount_inc_not_zero(&mntns->ns.count)) + if (!ns_ref_get(mntns)) continue; return mntns;
@@ -6080,7 +6080,7 @@ void __init mnt_init(void) void put_mnt_ns(struct mnt_namespace *ns) { - if (!refcount_dec_and_test(&ns->ns.count)) + if (!ns_ref_put(ns)) return; namespace_lock(); emptied_ns = ns;
--
2.47.3