1 #include <linux/mount.h>
2 #include <linux/seq_file.h>
3 #include <linux/poll.h>
9 wait_queue_head_t poll;
19 struct list_head mnt_hash;
20 struct mount *mnt_parent;
21 struct dentry *mnt_mountpoint;
24 struct mnt_pcp __percpu *mnt_pcp;
25 atomic_t mnt_longterm; /* how many of the refs are longterm */
30 struct list_head mnt_mounts; /* list of children, anchored here */
31 struct list_head mnt_child; /* and going through their mnt_child */
32 struct list_head mnt_instance; /* mount instance on sb->s_mounts */
33 const char *mnt_devname; /* Name of device e.g. /dev/dsk/hda1 */
34 struct list_head mnt_list;
35 struct list_head mnt_expire; /* link in fs-specific expiry list */
36 struct list_head mnt_share; /* circular list of shared mounts */
37 struct list_head mnt_slave_list;/* list of slave mounts */
38 struct list_head mnt_slave; /* slave list entry */
39 struct mount *mnt_master; /* slave is on master->mnt_slave_list */
40 struct mnt_namespace *mnt_ns; /* containing namespace */
41 #ifdef CONFIG_FSNOTIFY
42 struct hlist_head mnt_fsnotify_marks;
43 __u32 mnt_fsnotify_mask;
45 int mnt_id; /* mount identifier */
46 int mnt_group_id; /* peer group identifier */
47 int mnt_expiry_mark; /* true if marked for expiry */
52 static inline struct mount *real_mount(struct vfsmount *mnt)
54 return container_of(mnt, struct mount, mnt);
57 static inline int mnt_has_parent(struct mount *mnt)
59 return mnt != mnt->mnt_parent;
62 extern struct mount *__lookup_mnt(struct vfsmount *, struct dentry *, int);
64 static inline void get_mnt_ns(struct mnt_namespace *ns)
66 atomic_inc(&ns->count);
70 struct seq_file m; /* must be the first element */
71 struct mnt_namespace *ns;
73 int (*show)(struct seq_file *, struct vfsmount *);
76 extern const struct seq_operations mounts_op;