NFS: Use the DNS resolver in the mount code.
[safe/jmp/linux-2.6] / fs / 9p / vfs_super.c
index 678c02f..38d695d 100644 (file)
@@ -75,6 +75,7 @@ static int v9fs_set_super(struct super_block *s, void *data)
  * v9fs_fill_super - populate superblock with info
  * @sb: superblock
  * @v9ses: session information
+ * @flags: flags propagated from v9fs_get_sb()
  *
  */
 
@@ -110,10 +111,10 @@ static int v9fs_get_sb(struct file_system_type *fs_type, int flags,
        struct inode *inode = NULL;
        struct dentry *root = NULL;
        struct v9fs_session_info *v9ses = NULL;
-       struct p9_stat *st = NULL;
+       struct p9_wstat *st = NULL;
        int mode = S_IRWXUGO | S_ISVTX;
-       uid_t uid = current->fsuid;
-       gid_t gid = current->fsgid;
+       uid_t uid = current_fsuid();
+       gid_t gid = current_fsgid();
        struct p9_fid *fid;
        int retval = 0;
 
@@ -127,29 +128,26 @@ static int v9fs_get_sb(struct file_system_type *fs_type, int flags,
        fid = v9fs_session_init(v9ses, dev_name, data);
        if (IS_ERR(fid)) {
                retval = PTR_ERR(fid);
-               fid = NULL;
-               kfree(v9ses);
-               v9ses = NULL;
-               goto error;
+               goto close_session;
        }
 
        st = p9_client_stat(fid);
        if (IS_ERR(st)) {
                retval = PTR_ERR(st);
-               goto error;
+               goto clunk_fid;
        }
 
        sb = sget(fs_type, NULL, v9fs_set_super, v9ses);
        if (IS_ERR(sb)) {
                retval = PTR_ERR(sb);
-               goto error;
+               goto free_stat;
        }
        v9fs_fill_super(sb, v9ses, flags);
 
        inode = v9fs_get_inode(sb, S_IFDIR | mode);
        if (IS_ERR(inode)) {
                retval = PTR_ERR(inode);
-               goto error;
+               goto release_sb;
        }
 
        inode->i_uid = uid;
@@ -157,32 +155,36 @@ static int v9fs_get_sb(struct file_system_type *fs_type, int flags,
 
        root = d_alloc_root(inode);
        if (!root) {
+               iput(inode);
                retval = -ENOMEM;
-               goto error;
+               goto release_sb;
        }
 
        sb->s_root = root;
        root->d_inode->i_ino = v9fs_qid2ino(&st->qid);
+
        v9fs_stat2inode(st, root->d_inode, sb);
+
        v9fs_fid_add(root, fid);
+       p9stat_free(st);
        kfree(st);
 
-       return simple_set_mnt(mnt, sb);
+P9_DPRINTK(P9_DEBUG_VFS, " simple set mount, return 0\n");
+       simple_set_mnt(mnt, sb);
+       return 0;
+
+release_sb:
+       deactivate_locked_super(sb);
 
-error:
+free_stat:
        kfree(st);
-       if (fid)
-               p9_client_clunk(fid);
 
-       if (v9ses) {
-               v9fs_session_close(v9ses);
-               kfree(v9ses);
-       }
+clunk_fid:
+       p9_client_clunk(fid);
 
-       if (sb) {
-               up_write(&sb->s_umount);
-               deactivate_super(sb);
-       }
+close_session:
+       v9fs_session_close(v9ses);
+       kfree(v9ses);
 
        return retval;
 }
@@ -224,12 +226,12 @@ static int v9fs_show_options(struct seq_file *m, struct vfsmount *mnt)
 }
 
 static void
-v9fs_umount_begin(struct vfsmount *vfsmnt, int flags)
+v9fs_umount_begin(struct super_block *sb)
 {
-       struct v9fs_session_info *v9ses = vfsmnt->mnt_sb->s_fs_info;
+       struct v9fs_session_info *v9ses;
 
-       if (flags & MNT_FORCE)
-               v9fs_session_cancel(v9ses);
+       v9ses = sb->s_fs_info;
+       v9fs_session_cancel(v9ses);
 }
 
 static const struct super_operations v9fs_super_ops = {