eCryptfs: collapse flag set into one statement

Andrew Morton wrote:
> > +     crypt_stat->flags |= ECRYPTFS_ENCRYPTED;
> > +     crypt_stat->flags |= ECRYPTFS_KEY_VALID;
>
> Maybe the compiler can optimise those two statements, but we'd
> normally provide it with some manual help.

This patch provides the compiler with some manual help for
optimizing the setting of some flags.
Signed-off-by: NMichael Halcrow <mhalcrow@us.ibm.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

fs/ecryptfs/crypto.c

@@ -1029,8 +1029,7 @@ int ecryptfs_new_file_context(struct dentry *ecryptfs_dentry)
 	int rc = 0;
 
 	ecryptfs_set_default_crypt_stat_vals(crypt_stat, mount_crypt_stat);
-	crypt_stat->flags |= ECRYPTFS_ENCRYPTED;
-	crypt_stat->flags |= ECRYPTFS_KEY_VALID;
+	crypt_stat->flags |= (ECRYPTFS_ENCRYPTED | ECRYPTFS_KEY_VALID);
 	ecryptfs_copy_mount_wide_flags_to_inode_flags(crypt_stat,
 						      mount_crypt_stat);
 	rc = ecryptfs_copy_mount_wide_sigs_to_inode_sigs(crypt_stat,