[v2,02/39] mount: make {lock,unlock}_mount_hash() static

Commit Message

Christian Brauner Nov. 15, 2020, 10:36 a.m. UTC

The helpers are only called in fs/namespace.c functions so there's no need to
have them exposed in a header as Christoph pointed out.

Suggested-by: Christoph Hellwig <[e-mail]>
Cc: David Howells <[e-mail]>
Cc: Al Viro <[e-mail]>
Cc: [e-mail]
Signed-off-by: Christian Brauner <[e-mail]>
---
/* v2 */
- Christoph Hellwig:
  - Add a patch to make {lock,unlock)_mount_hash() static.
---
 fs/mount.h     | 10 ----------
 fs/namespace.c | 10 ++++++++++
 2 files changed, 10 insertions(+), 10 deletions(-)

Patch

diff --git a/fs/mount.h b/fs/mount.h
index c7abb7b394d8..562d96d57bad 100644
--- a/fs/mount.h
+++ b/fs/mount.h
@@ -125,16 +125,6 @@  static inline void get_mnt_ns(struct mnt_namespace *ns)
 
 extern seqlock_t mount_lock;
 
-static inline void lock_mount_hash(void)
-{
-	write_seqlock(&mount_lock);
-}
-
-static inline void unlock_mount_hash(void)
-{
-	write_sequnlock(&mount_lock);
-}
-
 struct proc_mounts {
 	struct mnt_namespace *ns;
 	struct path root;
diff --git a/fs/namespace.c b/fs/namespace.c
index f183161833ad..798bbf4f48ad 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -87,6 +87,16 @@  EXPORT_SYMBOL_GPL(fs_kobj);
  */
 __cacheline_aligned_in_smp DEFINE_SEQLOCK(mount_lock);
 
+static inline void lock_mount_hash(void)
+{
+	write_seqlock(&mount_lock);
+}
+
+static inline void unlock_mount_hash(void)
+{
+	write_sequnlock(&mount_lock);
+}
+
 static inline struct hlist_head *m_hash(struct vfsmount *mnt, struct dentry *dentry)
 {
 	unsigned long tmp = ((unsigned long)mnt / L1_CACHE_BYTES);