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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-29 11:06:25 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-29 11:06:25 -0400
commit53113b06e48c6c38f7612c1f8043b8a0d2adf72b (patch)
treeb50f098b72b6389fde956d8272c08169ff2b53cc /fs/proc/root.c
parent37542b6a7e73e81f8c066a48e6911e476ee3b22f (diff)
parenta4cdbd8bfb87ceff455aae85727077889b75001b (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: (29 commits) braino in internal.h convert simple cases of nfs-related ->get_sb() to ->mount() convert btrfs convert ceph convert gfs2 convert afs convert ecryptfs convert sysfs convert cgroup and cpuset switch get_sb_ns() users switch procfs to ->mount() setting ->proc_mnt doesn't belong in proc_get_sb() convert cifs convert nilfs switch logfs to ->mount() logfs: fix a leak in get_sb logfs get_sb, part 3 logfs get_sb, part 2 logfs get_sb massage, part 1 convert v9fs ...
Diffstat (limited to 'fs/proc/root.c')
-rw-r--r--fs/proc/root.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/fs/proc/root.c b/fs/proc/root.c
index 93d99b316325..ef9fa8e24ad6 100644
--- a/fs/proc/root.c
+++ b/fs/proc/root.c
@@ -35,8 +35,8 @@ static int proc_set_super(struct super_block *sb, void *data)
35 return set_anon_super(sb, NULL); 35 return set_anon_super(sb, NULL);
36} 36}
37 37
38static int proc_get_sb(struct file_system_type *fs_type, 38static struct dentry *proc_mount(struct file_system_type *fs_type,
39 int flags, const char *dev_name, void *data, struct vfsmount *mnt) 39 int flags, const char *dev_name, void *data)
40{ 40{
41 int err; 41 int err;
42 struct super_block *sb; 42 struct super_block *sb;
@@ -61,14 +61,14 @@ static int proc_get_sb(struct file_system_type *fs_type,
61 61
62 sb = sget(fs_type, proc_test_super, proc_set_super, ns); 62 sb = sget(fs_type, proc_test_super, proc_set_super, ns);
63 if (IS_ERR(sb)) 63 if (IS_ERR(sb))
64 return PTR_ERR(sb); 64 return ERR_CAST(sb);
65 65
66 if (!sb->s_root) { 66 if (!sb->s_root) {
67 sb->s_flags = flags; 67 sb->s_flags = flags;
68 err = proc_fill_super(sb); 68 err = proc_fill_super(sb);
69 if (err) { 69 if (err) {
70 deactivate_locked_super(sb); 70 deactivate_locked_super(sb);
71 return err; 71 return ERR_PTR(err);
72 } 72 }
73 73
74 ei = PROC_I(sb->s_root->d_inode); 74 ei = PROC_I(sb->s_root->d_inode);
@@ -79,11 +79,9 @@ static int proc_get_sb(struct file_system_type *fs_type,
79 } 79 }
80 80
81 sb->s_flags |= MS_ACTIVE; 81 sb->s_flags |= MS_ACTIVE;
82 ns->proc_mnt = mnt;
83 } 82 }
84 83
85 simple_set_mnt(mnt, sb); 84 return dget(sb->s_root);
86 return 0;
87} 85}
88 86
89static void proc_kill_sb(struct super_block *sb) 87static void proc_kill_sb(struct super_block *sb)
@@ -97,7 +95,7 @@ static void proc_kill_sb(struct super_block *sb)
97 95
98static struct file_system_type proc_fs_type = { 96static struct file_system_type proc_fs_type = {
99 .name = "proc", 97 .name = "proc",
100 .get_sb = proc_get_sb, 98 .mount = proc_mount,
101 .kill_sb = proc_kill_sb, 99 .kill_sb = proc_kill_sb,
102}; 100};
103 101
@@ -115,6 +113,7 @@ void __init proc_root_init(void)
115 return; 113 return;
116 } 114 }
117 115
116 init_pid_ns.proc_mnt = proc_mnt;
118 proc_symlink("mounts", NULL, "self/mounts"); 117 proc_symlink("mounts", NULL, "self/mounts");
119 118
120 proc_net_init(); 119 proc_net_init();
@@ -213,6 +212,7 @@ int pid_ns_prepare_proc(struct pid_namespace *ns)
213 if (IS_ERR(mnt)) 212 if (IS_ERR(mnt))
214 return PTR_ERR(mnt); 213 return PTR_ERR(mnt);
215 214
215 ns->proc_mnt = mnt;
216 return 0; 216 return 0;
217} 217}
218 218