diff options
Diffstat (limited to 'fs/crypto/crypto.c')
| -rw-r--r-- | fs/crypto/crypto.c | 30 |
1 files changed, 19 insertions, 11 deletions
diff --git a/fs/crypto/crypto.c b/fs/crypto/crypto.c index d19a42f3a983..f287f76cc906 100644 --- a/fs/crypto/crypto.c +++ b/fs/crypto/crypto.c @@ -246,16 +246,26 @@ struct page *fscrypt_encrypt_page(const struct inode *inode, BUG_ON(plaintext_len % FS_CRYPTO_BLOCK_SIZE != 0); + if (inode->i_sb->s_cop->flags & FS_CFLG_INPLACE_ENCRYPTION) { + /* with inplace-encryption we just encrypt the page */ + err = do_page_crypto(inode, FS_ENCRYPT, index, + plaintext_page, ciphertext_page, + plaintext_len, plaintext_offset, + gfp_flags); + if (err) + return ERR_PTR(err); + + return ciphertext_page; + } + ctx = fscrypt_get_ctx(inode, gfp_flags); if (IS_ERR(ctx)) return (struct page *)ctx; - if (!(inode->i_sb->s_cop->flags & FS_CFLG_INPLACE_ENCRYPTION)) { - /* The encryption operation will require a bounce page. */ - ciphertext_page = alloc_bounce_page(ctx, gfp_flags); - if (IS_ERR(ciphertext_page)) - goto errout; - } + /* The encryption operation will require a bounce page. */ + ciphertext_page = alloc_bounce_page(ctx, gfp_flags); + if (IS_ERR(ciphertext_page)) + goto errout; ctx->w.control_page = plaintext_page; err = do_page_crypto(inode, FS_ENCRYPT, index, @@ -266,11 +276,9 @@ struct page *fscrypt_encrypt_page(const struct inode *inode, ciphertext_page = ERR_PTR(err); goto errout; } - if (!(inode->i_sb->s_cop->flags & FS_CFLG_INPLACE_ENCRYPTION)) { - SetPagePrivate(ciphertext_page); - set_page_private(ciphertext_page, (unsigned long)ctx); - lock_page(ciphertext_page); - } + SetPagePrivate(ciphertext_page); + set_page_private(ciphertext_page, (unsigned long)ctx); + lock_page(ciphertext_page); return ciphertext_page; errout: |