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authorPaul Mundt <lethal@linux-sh.org>2011-01-13 01:06:28 -0500
committerPaul Mundt <lethal@linux-sh.org>2011-01-13 01:06:28 -0500
commitf43dc23d5ea91fca257be02138a255f02d98e806 (patch)
treeb29722f6e965316e90ac97abf79923ced250dc21 /fs/proc/root.c
parentf8e53553f452dcbf67cb89c8cba63a1cd6eb4cc0 (diff)
parent4162cf64973df51fc885825bc9ca4d055891c49f (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 into common/serial-rework
Conflicts: arch/sh/kernel/cpu/sh2/setup-sh7619.c arch/sh/kernel/cpu/sh2a/setup-mxg.c arch/sh/kernel/cpu/sh2a/setup-sh7201.c arch/sh/kernel/cpu/sh2a/setup-sh7203.c arch/sh/kernel/cpu/sh2a/setup-sh7206.c arch/sh/kernel/cpu/sh3/setup-sh7705.c arch/sh/kernel/cpu/sh3/setup-sh770x.c arch/sh/kernel/cpu/sh3/setup-sh7710.c arch/sh/kernel/cpu/sh3/setup-sh7720.c arch/sh/kernel/cpu/sh4/setup-sh4-202.c arch/sh/kernel/cpu/sh4/setup-sh7750.c arch/sh/kernel/cpu/sh4/setup-sh7760.c arch/sh/kernel/cpu/sh4a/setup-sh7343.c arch/sh/kernel/cpu/sh4a/setup-sh7366.c arch/sh/kernel/cpu/sh4a/setup-sh7722.c arch/sh/kernel/cpu/sh4a/setup-sh7723.c arch/sh/kernel/cpu/sh4a/setup-sh7724.c arch/sh/kernel/cpu/sh4a/setup-sh7763.c arch/sh/kernel/cpu/sh4a/setup-sh7770.c arch/sh/kernel/cpu/sh4a/setup-sh7780.c arch/sh/kernel/cpu/sh4a/setup-sh7785.c arch/sh/kernel/cpu/sh4a/setup-sh7786.c arch/sh/kernel/cpu/sh4a/setup-shx3.c arch/sh/kernel/cpu/sh5/setup-sh5.c drivers/serial/sh-sci.c drivers/serial/sh-sci.h include/linux/serial_sci.h
Diffstat (limited to 'fs/proc/root.c')
-rw-r--r--fs/proc/root.c24
1 files changed, 9 insertions, 15 deletions
diff --git a/fs/proc/root.c b/fs/proc/root.c
index b080b791d9e3..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
@@ -110,12 +108,12 @@ void __init proc_root_init(void)
110 if (err) 108 if (err)
111 return; 109 return;
112 proc_mnt = kern_mount_data(&proc_fs_type, &init_pid_ns); 110 proc_mnt = kern_mount_data(&proc_fs_type, &init_pid_ns);
113 err = PTR_ERR(proc_mnt);
114 if (IS_ERR(proc_mnt)) { 111 if (IS_ERR(proc_mnt)) {
115 unregister_filesystem(&proc_fs_type); 112 unregister_filesystem(&proc_fs_type);
116 return; 113 return;
117 } 114 }
118 115
116 init_pid_ns.proc_mnt = proc_mnt;
119 proc_symlink("mounts", NULL, "self/mounts"); 117 proc_symlink("mounts", NULL, "self/mounts");
120 118
121 proc_net_init(); 119 proc_net_init();
@@ -180,6 +178,7 @@ static int proc_root_readdir(struct file * filp,
180static const struct file_operations proc_root_operations = { 178static const struct file_operations proc_root_operations = {
181 .read = generic_read_dir, 179 .read = generic_read_dir,
182 .readdir = proc_root_readdir, 180 .readdir = proc_root_readdir,
181 .llseek = default_llseek,
183}; 182};
184 183
185/* 184/*
@@ -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
@@ -220,9 +220,3 @@ void pid_ns_release_proc(struct pid_namespace *ns)
220{ 220{
221 mntput(ns->proc_mnt); 221 mntput(ns->proc_mnt);
222} 222}
223
224EXPORT_SYMBOL(proc_symlink);
225EXPORT_SYMBOL(proc_mkdir);
226EXPORT_SYMBOL(create_proc_entry);
227EXPORT_SYMBOL(proc_create_data);
228EXPORT_SYMBOL(remove_proc_entry);