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| author |   Christian Brauner <christian.brauner@ubuntu.com> | 2021-01-21 14:19:49 +0100 |
|---|---|---|
| committer | Christian Brauner <christian.brauner@ubuntu.com> | 2021-01-24 14:29:34 +0100 |
| commit | d033cb6784c4f3a19a593cfe11f850e476197388 (patch) | |
| tree | 4ee6de8cfa9c00f7b23a2562962bc5c0d6463f94 /fs/namespace.c | |
| parent | namespace: take lock_mount_hash() directly when changing flags (diff) | |
| download | linux-dev-d033cb6784c4f3a19a593cfe11f850e476197388.tar.xz linux-dev-d033cb6784c4f3a19a593cfe11f850e476197388.zip | |
mount: make {lock,unlock}_mount_hash() static
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.
Link: https://lore.kernel.org/r/20210121131959.646623-31-christian.brauner@ubuntu.com
Cc: David Howells <dhowells@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: linux-fsdevel@vger.kernel.org
Suggested-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Diffstat (limited to 'fs/namespace.c')
| -rw-r--r-- | fs/namespace.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/namespace.c b/fs/namespace.c index bdfb130f2c3c..5fceb2854395 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); |