Root/
1 | #include <linux/mount.h> |
2 | #include <linux/seq_file.h> |
3 | #include <linux/poll.h> |
4 | |
5 | struct mnt_namespace { |
6 | atomic_t count; |
7 | unsigned int proc_inum; |
8 | struct mount * root; |
9 | struct list_head list; |
10 | struct user_namespace *user_ns; |
11 | u64 seq; /* Sequence number to prevent loops */ |
12 | wait_queue_head_t poll; |
13 | int event; |
14 | }; |
15 | |
16 | struct mnt_pcp { |
17 | int mnt_count; |
18 | int mnt_writers; |
19 | }; |
20 | |
21 | struct mount { |
22 | struct list_head mnt_hash; |
23 | struct mount *mnt_parent; |
24 | struct dentry *mnt_mountpoint; |
25 | struct vfsmount mnt; |
26 | #ifdef CONFIG_SMP |
27 | struct mnt_pcp __percpu *mnt_pcp; |
28 | #else |
29 | int mnt_count; |
30 | int mnt_writers; |
31 | #endif |
32 | struct list_head mnt_mounts; /* list of children, anchored here */ |
33 | struct list_head mnt_child; /* and going through their mnt_child */ |
34 | struct list_head mnt_instance; /* mount instance on sb->s_mounts */ |
35 | const char *mnt_devname; /* Name of device e.g. /dev/dsk/hda1 */ |
36 | struct list_head mnt_list; |
37 | struct list_head mnt_expire; /* link in fs-specific expiry list */ |
38 | struct list_head mnt_share; /* circular list of shared mounts */ |
39 | struct list_head mnt_slave_list;/* list of slave mounts */ |
40 | struct list_head mnt_slave; /* slave list entry */ |
41 | struct mount *mnt_master; /* slave is on master->mnt_slave_list */ |
42 | struct mnt_namespace *mnt_ns; /* containing namespace */ |
43 | #ifdef CONFIG_FSNOTIFY |
44 | struct hlist_head mnt_fsnotify_marks; |
45 | __u32 mnt_fsnotify_mask; |
46 | #endif |
47 | int mnt_id; /* mount identifier */ |
48 | int mnt_group_id; /* peer group identifier */ |
49 | int mnt_expiry_mark; /* true if marked for expiry */ |
50 | int mnt_pinned; |
51 | int mnt_ghosts; |
52 | }; |
53 | |
54 | #define MNT_NS_INTERNAL ERR_PTR(-EINVAL) /* distinct from any mnt_namespace */ |
55 | |
56 | static inline struct mount *real_mount(struct vfsmount *mnt) |
57 | { |
58 | return container_of(mnt, struct mount, mnt); |
59 | } |
60 | |
61 | static inline int mnt_has_parent(struct mount *mnt) |
62 | { |
63 | return mnt != mnt->mnt_parent; |
64 | } |
65 | |
66 | static inline int is_mounted(struct vfsmount *mnt) |
67 | { |
68 | /* neither detached nor internal? */ |
69 | return !IS_ERR_OR_NULL(real_mount(mnt)); |
70 | } |
71 | |
72 | extern struct mount *__lookup_mnt(struct vfsmount *, struct dentry *, int); |
73 | |
74 | static inline void get_mnt_ns(struct mnt_namespace *ns) |
75 | { |
76 | atomic_inc(&ns->count); |
77 | } |
78 | |
79 | struct proc_mounts { |
80 | struct seq_file m; |
81 | struct mnt_namespace *ns; |
82 | struct path root; |
83 | int (*show)(struct seq_file *, struct vfsmount *); |
84 | }; |
85 | |
86 | #define proc_mounts(p) (container_of((p), struct proc_mounts, m)) |
87 | |
88 | extern const struct seq_operations mounts_op; |
89 |
Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
jz-2.6.34-rc6
jz-2.6.34-rc7
jz-2.6.35
jz-2.6.36
jz-2.6.37
jz-2.6.38
jz-2.6.39
jz-3.0
jz-3.1
jz-3.11
jz-3.12
jz-3.13
jz-3.15
jz-3.16
jz-3.18-dt
jz-3.2
jz-3.3
jz-3.4
jz-3.5
jz-3.6
jz-3.6-rc2-pwm
jz-3.9
jz-3.9-clk
jz-3.9-rc8
jz47xx
jz47xx-2.6.38
master
Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9