From 392e8802486cb573b916e746010e141a75f507e6 Mon Sep 17 00:00:00 2001 From: Kevin Date: Sat, 15 Nov 2014 09:58:27 +0800 Subject: init android origin source code --- ANDROID_3.4.5/fs/pnode.h | 47 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 ANDROID_3.4.5/fs/pnode.h (limited to 'ANDROID_3.4.5/fs/pnode.h') diff --git a/ANDROID_3.4.5/fs/pnode.h b/ANDROID_3.4.5/fs/pnode.h new file mode 100644 index 00000000..65c60979 --- /dev/null +++ b/ANDROID_3.4.5/fs/pnode.h @@ -0,0 +1,47 @@ +/* + * linux/fs/pnode.h + * + * (C) Copyright IBM Corporation 2005. + * Released under GPL v2. + * + */ +#ifndef _LINUX_PNODE_H +#define _LINUX_PNODE_H + +#include +#include "mount.h" + +#define IS_MNT_SHARED(m) ((m)->mnt.mnt_flags & MNT_SHARED) +#define IS_MNT_SLAVE(m) ((m)->mnt_master) +#define IS_MNT_NEW(m) (!(m)->mnt_ns) +#define CLEAR_MNT_SHARED(m) ((m)->mnt.mnt_flags &= ~MNT_SHARED) +#define IS_MNT_UNBINDABLE(m) ((m)->mnt.mnt_flags & MNT_UNBINDABLE) + +#define CL_EXPIRE 0x01 +#define CL_SLAVE 0x02 +#define CL_COPY_ALL 0x04 +#define CL_MAKE_SHARED 0x08 +#define CL_PRIVATE 0x10 + +static inline void set_mnt_shared(struct mount *mnt) +{ + mnt->mnt.mnt_flags &= ~MNT_SHARED_MASK; + mnt->mnt.mnt_flags |= MNT_SHARED; +} + +void change_mnt_propagation(struct mount *, int); +int propagate_mnt(struct mount *, struct dentry *, struct mount *, + struct list_head *); +int propagate_umount(struct list_head *); +int propagate_mount_busy(struct mount *, int); +void mnt_release_group_id(struct mount *); +int get_dominating_id(struct mount *mnt, const struct path *root); +unsigned int mnt_get_count(struct mount *mnt); +void mnt_set_mountpoint(struct mount *, struct dentry *, + struct mount *); +void release_mounts(struct list_head *); +void umount_tree(struct mount *, int, struct list_head *); +struct mount *copy_tree(struct mount *, struct dentry *, int); +bool is_path_reachable(struct mount *, struct dentry *, + const struct path *root); +#endif /* _LINUX_PNODE_H */ -- cgit