Merge commit 'v2.6.30-rc6' into x86/mm

[karo-tx-linux.git] / fs / ecryptfs / main.c

diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c
index aed56c25539bcdede1c4f6056f44c575baceb87a..9f0aa9883c28544cfe6a91921f4d32aa7e9dab40 100644 (file)
--- a/fs/ecryptfs/main.c
+++ b/fs/ecryptfs/main.c
@@ -190,14 +190,14 @@ int ecryptfs_interpose(struct dentry *lower_dentry, struct dentry *dentry,
                init_special_inode(inode, lower_inode->i_mode,
                                   lower_inode->i_rdev);
        dentry->d_op = &ecryptfs_dops;
-       if (flags & ECRYPTFS_INTERPOSE_FLAG_D_ADD)
-               d_add(dentry, inode);
-       else
-               d_instantiate(dentry, inode);
        fsstack_copy_attr_all(inode, lower_inode, NULL);
        /* This size will be overwritten for real files w/ headers and
         * other metadata */
        fsstack_copy_inode_size(inode, lower_inode);
+       if (flags & ECRYPTFS_INTERPOSE_FLAG_D_ADD)
+               d_add(dentry, inode);
+       else
+               d_instantiate(dentry, inode);
 out:
        return rc;
 }
@@ -208,7 +208,7 @@ enum { ecryptfs_opt_sig, ecryptfs_opt_ecryptfs_sig,
        ecryptfs_opt_passthrough, ecryptfs_opt_xattr_metadata,
        ecryptfs_opt_encrypted_view, ecryptfs_opt_fnek_sig,
        ecryptfs_opt_fn_cipher, ecryptfs_opt_fn_cipher_key_bytes,
-       ecryptfs_opt_err };
+       ecryptfs_opt_unlink_sigs, ecryptfs_opt_err };
 
 static const match_table_t tokens = {
        {ecryptfs_opt_sig, "sig=%s"},
@@ -222,6 +222,7 @@ static const match_table_t tokens = {
        {ecryptfs_opt_fnek_sig, "ecryptfs_fnek_sig=%s"},
        {ecryptfs_opt_fn_cipher, "ecryptfs_fn_cipher=%s"},
        {ecryptfs_opt_fn_cipher_key_bytes, "ecryptfs_fn_key_bytes=%u"},
+       {ecryptfs_opt_unlink_sigs, "ecryptfs_unlink_sigs"},
        {ecryptfs_opt_err, NULL}
 };
 
@@ -402,6 +403,9 @@ static int ecryptfs_parse_options(struct super_block *sb, char *options)
                                fn_cipher_key_bytes;
                        fn_cipher_key_bytes_set = 1;
                        break;
+               case ecryptfs_opt_unlink_sigs:
+                       mount_crypt_stat->flags |= ECRYPTFS_UNLINK_SIGS;
+                       break;
                case ecryptfs_opt_err:
                default:
                        printk(KERN_WARNING
@@ -610,9 +614,8 @@ static int ecryptfs_get_sb(struct file_system_type *fs_type, int flags,
        }
        goto out;
 out_abort:
-       dput(sb->s_root);
-       up_write(&sb->s_umount);
-       deactivate_super(sb);
+       dput(sb->s_root); /* aka mnt->mnt_root, as set by get_sb_nodev() */
+       deactivate_locked_super(sb);
 out:
        return rc;
 }