summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--fs/mount.h2
-rw-r--r--fs/namespace.c4
-rw-r--r--fs/pnode.c18
3 files changed, 12 insertions, 12 deletions
diff --git a/fs/mount.h b/fs/mount.h
index 7071d8fa9307..d4db4c7e1815 100644
--- a/fs/mount.h
+++ b/fs/mount.h
@@ -20,7 +20,7 @@ struct mount {
20 struct list_head mnt_mounts; /* list of children, anchored here */ 20 struct list_head mnt_mounts; /* list of children, anchored here */
21 struct list_head mnt_child; /* and going through their mnt_child */ 21 struct list_head mnt_child; /* and going through their mnt_child */
22 /* yet to be moved - up to mnt_slave */ 22 /* yet to be moved - up to mnt_slave */
23 struct vfsmount *mnt_master; /* slave is on master->mnt_slave_list */ 23 struct mount *mnt_master; /* slave is on master->mnt_slave_list */
24}; 24};
25 25
26static inline struct mount *real_mount(struct vfsmount *mnt) 26static inline struct mount *real_mount(struct vfsmount *mnt)
diff --git a/fs/namespace.c b/fs/namespace.c
index 3439042fc9f2..847b7240c512 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -715,7 +715,7 @@ static struct mount *clone_mnt(struct mount *old, struct dentry *root,
715 715
716 if (flag & CL_SLAVE) { 716 if (flag & CL_SLAVE) {
717 list_add(&mnt->mnt.mnt_slave, &old->mnt.mnt_slave_list); 717 list_add(&mnt->mnt.mnt_slave, &old->mnt.mnt_slave_list);
718 mnt->mnt_master = &old->mnt; 718 mnt->mnt_master = old;
719 CLEAR_MNT_SHARED(&mnt->mnt); 719 CLEAR_MNT_SHARED(&mnt->mnt);
720 } else if (!(flag & CL_PRIVATE)) { 720 } else if (!(flag & CL_PRIVATE)) {
721 if ((flag & CL_MAKE_SHARED) || IS_MNT_SHARED(&old->mnt)) 721 if ((flag & CL_MAKE_SHARED) || IS_MNT_SHARED(&old->mnt))
@@ -1052,7 +1052,7 @@ static int show_mountinfo(struct seq_file *m, void *v)
1052 if (IS_MNT_SHARED(mnt)) 1052 if (IS_MNT_SHARED(mnt))
1053 seq_printf(m, " shared:%i", mnt->mnt_group_id); 1053 seq_printf(m, " shared:%i", mnt->mnt_group_id);
1054 if (IS_MNT_SLAVE(r)) { 1054 if (IS_MNT_SLAVE(r)) {
1055 int master = r->mnt_master->mnt_group_id; 1055 int master = r->mnt_master->mnt.mnt_group_id;
1056 int dom = get_dominating_id(r, &p->root); 1056 int dom = get_dominating_id(r, &p->root);
1057 seq_printf(m, " master:%i", master); 1057 seq_printf(m, " master:%i", master);
1058 if (dom && dom != master) 1058 if (dom && dom != master)
diff --git a/fs/pnode.c b/fs/pnode.c
index 3ac44d15fe58..9bf22b61f8fb 100644
--- a/fs/pnode.c
+++ b/fs/pnode.c
@@ -55,7 +55,7 @@ int get_dominating_id(struct mount *mnt, const struct path *root)
55{ 55{
56 struct mount *m; 56 struct mount *m;
57 57
58 for (m = real_mount(mnt->mnt_master); m != NULL; m = real_mount(m->mnt_master)) { 58 for (m = mnt->mnt_master; m != NULL; m = m->mnt_master) {
59 struct mount *d = get_peer_under_root(m, mnt->mnt.mnt_ns, root); 59 struct mount *d = get_peer_under_root(m, mnt->mnt.mnt_ns, root);
60 if (d) 60 if (d)
61 return d->mnt.mnt_group_id; 61 return d->mnt.mnt_group_id;
@@ -66,7 +66,7 @@ int get_dominating_id(struct mount *mnt, const struct path *root)
66 66
67static int do_make_slave(struct mount *mnt) 67static int do_make_slave(struct mount *mnt)
68{ 68{
69 struct mount *peer_mnt = mnt, *master = real_mount(mnt->mnt_master); 69 struct mount *peer_mnt = mnt, *master = mnt->mnt_master;
70 struct mount *slave_mnt; 70 struct mount *slave_mnt;
71 71
72 /* 72 /*
@@ -93,7 +93,7 @@ static int do_make_slave(struct mount *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.mnt_slave_list, mnt.mnt_slave)
96 slave_mnt->mnt_master = &master->mnt; 96 slave_mnt->mnt_master = master;
97 list_move(&mnt->mnt.mnt_slave, &master->mnt.mnt_slave_list); 97 list_move(&mnt->mnt.mnt_slave, &master->mnt.mnt_slave_list);
98 list_splice(&mnt->mnt.mnt_slave_list, master->mnt.mnt_slave_list.prev); 98 list_splice(&mnt->mnt.mnt_slave_list, master->mnt.mnt_slave_list.prev);
99 INIT_LIST_HEAD(&mnt->mnt.mnt_slave_list); 99 INIT_LIST_HEAD(&mnt->mnt.mnt_slave_list);
@@ -106,7 +106,7 @@ static int do_make_slave(struct mount *mnt)
106 slave_mnt->mnt_master = NULL; 106 slave_mnt->mnt_master = NULL;
107 } 107 }
108 } 108 }
109 mnt->mnt_master = &master->mnt; 109 mnt->mnt_master = master;
110 CLEAR_MNT_SHARED(&mnt->mnt); 110 CLEAR_MNT_SHARED(&mnt->mnt);
111 return 0; 111 return 0;
112} 112}
@@ -149,9 +149,9 @@ static struct mount *propagation_next(struct mount *m,
149 return first_slave(m); 149 return first_slave(m);
150 150
151 while (1) { 151 while (1) {
152 struct mount *master = real_mount(m->mnt_master); 152 struct mount *master = m->mnt_master;
153 153
154 if (&master->mnt == 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.mnt_slave.next != &master->mnt.mnt_slave_list)
@@ -179,11 +179,11 @@ static struct mount *get_source(struct mount *dest,
179 struct mount *p_last_src = NULL; 179 struct mount *p_last_src = NULL;
180 struct mount *p_last_dest = NULL; 180 struct mount *p_last_dest = NULL;
181 181
182 while (&last_dest->mnt != dest->mnt_master) { 182 while (last_dest != dest->mnt_master) {
183 p_last_dest = last_dest; 183 p_last_dest = last_dest;
184 p_last_src = last_src; 184 p_last_src = last_src;
185 last_dest = real_mount(last_dest->mnt_master); 185 last_dest = last_dest->mnt_master;
186 last_src = real_mount(last_src->mnt_master); 186 last_src = last_src->mnt_master;
187 } 187 }
188 188
189 if (p_last_dest) { 189 if (p_last_dest) {