diff mbox series

[v4,02/40] mount: make {lock,unlock}_mount_hash() static

Message ID 20201203235736.3528991-3-christian.brauner@ubuntu.com (mailing list archive)
State New
Headers show
Series idmapped mounts | expand

Commit Message

Christian Brauner Dec. 3, 2020, 11:56 p.m. UTC
The lock_mount_hash() and unlock_mount_hash() helpers are never called
outside a single file. Remove them from the header and make them static
to reflect this fact. There's no need to have them callable from other
places right now, as Christoph observed.

Suggested-by: Christoph Hellwig <hch@lst.de>
Cc: David Howells <dhowells@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: linux-fsdevel@vger.kernel.org
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
/* v2 */
- Christoph Hellwig <hch@lst.de>:
  - Add a patch to make {lock,unlock)_mount_hash() static.

/* v3 */
unchanged

/* v4 */
unchanged
---
 fs/mount.h     | 10 ----------
 fs/namespace.c | 10 ++++++++++
 2 files changed, 10 insertions(+), 10 deletions(-)
diff mbox series

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);