aboutsummaryrefslogtreecommitdiffstats
path: root/fs/anon_inodes.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/anon_inodes.c')
-rw-r--r--fs/anon_inodes.c34
1 files changed, 8 insertions, 26 deletions
diff --git a/fs/anon_inodes.c b/fs/anon_inodes.c
index 24084732b1d0..80ef38c73e5a 100644
--- a/fs/anon_inodes.c
+++ b/fs/anon_inodes.c
@@ -41,19 +41,8 @@ static const struct dentry_operations anon_inodefs_dentry_operations = {
41static struct dentry *anon_inodefs_mount(struct file_system_type *fs_type, 41static struct dentry *anon_inodefs_mount(struct file_system_type *fs_type,
42 int flags, const char *dev_name, void *data) 42 int flags, const char *dev_name, void *data)
43{ 43{
44 struct dentry *root; 44 return mount_pseudo(fs_type, "anon_inode:", NULL,
45 root = mount_pseudo(fs_type, "anon_inode:", NULL,
46 &anon_inodefs_dentry_operations, ANON_INODE_FS_MAGIC); 45 &anon_inodefs_dentry_operations, ANON_INODE_FS_MAGIC);
47 if (!IS_ERR(root)) {
48 struct super_block *s = root->d_sb;
49 anon_inode_inode = alloc_anon_inode(s);
50 if (IS_ERR(anon_inode_inode)) {
51 dput(root);
52 deactivate_locked_super(s);
53 root = ERR_CAST(anon_inode_inode);
54 }
55 }
56 return root;
57} 46}
58 47
59static struct file_system_type anon_inode_fs_type = { 48static struct file_system_type anon_inode_fs_type = {
@@ -175,22 +164,15 @@ EXPORT_SYMBOL_GPL(anon_inode_getfd);
175 164
176static int __init anon_inode_init(void) 165static int __init anon_inode_init(void)
177{ 166{
178 int error;
179
180 error = register_filesystem(&anon_inode_fs_type);
181 if (error)
182 goto err_exit;
183 anon_inode_mnt = kern_mount(&anon_inode_fs_type); 167 anon_inode_mnt = kern_mount(&anon_inode_fs_type);
184 if (IS_ERR(anon_inode_mnt)) { 168 if (IS_ERR(anon_inode_mnt))
185 error = PTR_ERR(anon_inode_mnt); 169 panic("anon_inode_init() kernel mount failed (%ld)\n", PTR_ERR(anon_inode_mnt));
186 goto err_unregister_filesystem;
187 }
188 return 0;
189 170
190err_unregister_filesystem: 171 anon_inode_inode = alloc_anon_inode(anon_inode_mnt->mnt_sb);
191 unregister_filesystem(&anon_inode_fs_type); 172 if (IS_ERR(anon_inode_inode))
192err_exit: 173 panic("anon_inode_init() inode allocation failed (%ld)\n", PTR_ERR(anon_inode_inode));
193 panic(KERN_ERR "anon_inode_init() failed (%d)\n", error); 174
175 return 0;
194} 176}
195 177
196fs_initcall(anon_inode_init); 178fs_initcall(anon_inode_init);