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: Michael Halcrow <mhalcrow@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c
index 14cc1f57e7b0efdf4207c2ffd571852544d345ba..76bba7384d5112e6471307078f4f877ca63463cf 100644 (file)
--- a/fs/ecryptfs/crypto.c
+++ b/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,