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authorAl Viro <viro@zeniv.linux.org.uk>2011-11-25 00:22:05 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2012-01-03 22:57:08 -0500
commit6776db3d32b2a59198ec7ac6d32be0b9fdbd8a68 (patch)
treed293d993f41bdea79eaeb51f404e9837a49cb039 /fs/pnode.c
parent32301920f44a9334f57dd94bebfc6e593b99ad47 (diff)
vfs: take mnt_share/mnt_slave/mnt_slave_list and mnt_expire to struct mount
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/pnode.c')
-rw-r--r--fs/pnode.c30
1 files changed, 15 insertions, 15 deletions
diff --git a/fs/pnode.c b/fs/pnode.c
index 9bf22b61f8f..12cc1518e0c 100644
--- a/fs/pnode.c
+++ b/fs/pnode.c
@@ -15,17 +15,17 @@
15/* return the next shared peer mount of @p */ 15/* return the next shared peer mount of @p */
16static inline struct mount *next_peer(struct mount *p) 16static inline struct mount *next_peer(struct mount *p)
17{ 17{
18 return list_entry(p->mnt.mnt_share.next, struct mount, mnt.mnt_share); 18 return list_entry(p->mnt_share.next, struct mount, mnt_share);
19} 19}
20 20
21static inline struct mount *first_slave(struct mount *p) 21static inline struct mount *first_slave(struct mount *p)
22{ 22{
23 return list_entry(p->mnt.mnt_slave_list.next, struct mount, mnt.mnt_slave); 23 return list_entry(p->mnt_slave_list.next, struct mount, mnt_slave);
24} 24}
25 25
26static inline struct mount *next_slave(struct mount *p) 26static inline struct mount *next_slave(struct mount *p)
27{ 27{
28 return list_entry(p->mnt.mnt_slave.next, struct mount, mnt.mnt_slave); 28 return list_entry(p->mnt_slave.next, struct mount, mnt_slave);
29} 29}
30 30
31static struct mount *get_peer_under_root(struct mount *mnt, 31static struct mount *get_peer_under_root(struct mount *mnt,
@@ -82,27 +82,27 @@ static int do_make_slave(struct mount *mnt)
82 if (peer_mnt == mnt) 82 if (peer_mnt == mnt)
83 peer_mnt = NULL; 83 peer_mnt = NULL;
84 } 84 }
85 if (IS_MNT_SHARED(&mnt->mnt) && list_empty(&mnt->mnt.mnt_share)) 85 if (IS_MNT_SHARED(&mnt->mnt) && list_empty(&mnt->mnt_share))
86 mnt_release_group_id(mnt); 86 mnt_release_group_id(mnt);
87 87
88 list_del_init(&mnt->mnt.mnt_share); 88 list_del_init(&mnt->mnt_share);
89 mnt->mnt.mnt_group_id = 0; 89 mnt->mnt.mnt_group_id = 0;
90 90
91 if (peer_mnt) 91 if (peer_mnt)
92 master = peer_mnt; 92 master = peer_mnt;
93 93
94 if (master) { 94 if (master) {
95 list_for_each_entry(slave_mnt, &mnt->mnt.mnt_slave_list, mnt.mnt_slave) 95 list_for_each_entry(slave_mnt, &mnt->mnt_slave_list, mnt_slave)
96 slave_mnt->mnt_master = master; 96 slave_mnt->mnt_master = master;
97 list_move(&mnt->mnt.mnt_slave, &master->mnt.mnt_slave_list); 97 list_move(&mnt->mnt_slave, &master->mnt_slave_list);
98 list_splice(&mnt->mnt.mnt_slave_list, master->mnt.mnt_slave_list.prev); 98 list_splice(&mnt->mnt_slave_list, master->mnt_slave_list.prev);
99 INIT_LIST_HEAD(&mnt->mnt.mnt_slave_list); 99 INIT_LIST_HEAD(&mnt->mnt_slave_list);
100 } else { 100 } else {
101 struct list_head *p = &mnt->mnt.mnt_slave_list; 101 struct list_head *p = &mnt->mnt_slave_list;
102 while (!list_empty(p)) { 102 while (!list_empty(p)) {
103 slave_mnt = list_first_entry(p, 103 slave_mnt = list_first_entry(p,
104 struct mount, mnt.mnt_slave); 104 struct mount, mnt_slave);
105 list_del_init(&slave_mnt->mnt.mnt_slave); 105 list_del_init(&slave_mnt->mnt_slave);
106 slave_mnt->mnt_master = NULL; 106 slave_mnt->mnt_master = NULL;
107 } 107 }
108 } 108 }
@@ -122,7 +122,7 @@ void change_mnt_propagation(struct mount *mnt, int type)
122 } 122 }
123 do_make_slave(mnt); 123 do_make_slave(mnt);
124 if (type != MS_SLAVE) { 124 if (type != MS_SLAVE) {
125 list_del_init(&mnt->mnt.mnt_slave); 125 list_del_init(&mnt->mnt_slave);
126 mnt->mnt_master = NULL; 126 mnt->mnt_master = NULL;
127 if (type == MS_UNBINDABLE) 127 if (type == MS_UNBINDABLE)
128 mnt->mnt.mnt_flags |= MNT_UNBINDABLE; 128 mnt->mnt.mnt_flags |= MNT_UNBINDABLE;
@@ -145,7 +145,7 @@ static struct mount *propagation_next(struct mount *m,
145 struct mount *origin) 145 struct mount *origin)
146{ 146{
147 /* are there any slaves of this mount? */ 147 /* are there any slaves of this mount? */
148 if (!IS_MNT_NEW(&m->mnt) && !list_empty(&m->mnt.mnt_slave_list)) 148 if (!IS_MNT_NEW(&m->mnt) && !list_empty(&m->mnt_slave_list))
149 return first_slave(m); 149 return first_slave(m);
150 150
151 while (1) { 151 while (1) {
@@ -154,7 +154,7 @@ static struct mount *propagation_next(struct mount *m,
154 if (master == origin->mnt_master) { 154 if (master == origin->mnt_master) {
155 struct mount *next = next_peer(m); 155 struct mount *next = next_peer(m);
156 return (next == origin) ? NULL : next; 156 return (next == origin) ? NULL : next;
157 } else if (m->mnt.mnt_slave.next != &master->mnt.mnt_slave_list) 157 } else if (m->mnt_slave.next != &master->mnt_slave_list)
158 return next_slave(m); 158 return next_slave(m);
159 159
160 /* back at master */ 160 /* back at master */