The is_local_mountpoint() function will be needed for autofs
to check if a dentry is a mountpoint in the current namespace.
Signed-off-by: Ian Kent <raven@xxxxxxxxxx>
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Cc: Eric W. Biederman <ebiederm@xxxxxxxxxxxx>
Cc: Omar Sandoval <osandov@xxxxxxxxxxx>
---
fs/mount.h | 9 ---------
fs/namespace.c | 1 +
include/linux/mount.h | 9 +++++++++
3 files changed, 10 insertions(+), 9 deletions(-)
diff --git a/fs/mount.h b/fs/mount.h
index 14db05d..c25e6e8 100644
--- a/fs/mount.h
+++ b/fs/mount.h
@@ -127,12 +127,3 @@ struct proc_mounts {
};
extern const struct seq_operations mounts_op;
-
-extern bool __is_local_mountpoint(struct dentry *dentry);
-static inline bool is_local_mountpoint(struct dentry *dentry)
-{
- if (!d_mountpoint(dentry))
- return false;
-
- return __is_local_mountpoint(dentry);
-}
diff --git a/fs/namespace.c b/fs/namespace.c
index 7bb2cda..bea1507 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -725,6 +725,7 @@ bool __is_local_mountpoint(struct dentry *dentry)
out:
return is_covered;
}
+EXPORT_SYMBOL(__is_local_mountpoint);
static struct mountpoint *lookup_mountpoint(struct dentry *dentry)
{
diff --git a/include/linux/mount.h b/include/linux/mount.h
index 54a594d..575b745 100644
--- a/include/linux/mount.h
+++ b/include/linux/mount.h
@@ -15,6 +15,7 @@
#include <linux/spinlock.h>
#include <linux/seqlock.h>
#include <linux/atomic.h>
+#include <linux/dcache.h>
struct super_block;
struct vfsmount;
@@ -96,4 +97,12 @@ extern void mark_mounts_for_expiry(struct list_head *mounts);
extern dev_t name_to_dev_t(const char *name);
+extern bool __is_local_mountpoint(struct dentry *dentry);
+static inline bool is_local_mountpoint(struct dentry *dentry)
+{
+ if (!d_mountpoint(dentry))
+ return false;
+
+ return __is_local_mountpoint(dentry);
+}
#endif /* _LINUX_MOUNT_H */
--
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