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authorMiklos Szeredi <mszeredi@suse.cz>2012-05-14 13:06:13 +0200
committerJohn Rigby <john.rigby@linaro.org>2012-06-20 13:50:48 -0600
commitc601a6bc18c1ea545e901bcaa1f7f021af435e64 (patch)
tree182f212702c3df1166f8e39f724261ea3f325e80 /include
parent4123e6995462a0281683e7daaa91cd61dd7ec5e8 (diff)
UBUNTU: ubuntu: overlayfs -- vfs: introduce clone_private_mount()
Overlayfs needs a private clone of the mount, so create a function for this and export to modules. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Diffstat (limited to 'include')
-rw-r--r--include/linux/mount.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/mount.h b/include/linux/mount.h
index d7029f4a191..344a2623eb2 100644
--- a/include/linux/mount.h
+++ b/include/linux/mount.h
@@ -66,6 +66,9 @@ extern void mnt_pin(struct vfsmount *mnt);
extern void mnt_unpin(struct vfsmount *mnt);
extern int __mnt_is_readonly(struct vfsmount *mnt);
+struct path;
+extern struct vfsmount *clone_private_mount(struct path *path);
+
struct file_system_type;
extern struct vfsmount *vfs_kern_mount(struct file_system_type *type,
int flags, const char *name,