From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Biggers Subject: [PATCH 04/25] fscrypt: remove unneeded empty fscrypt_operations structs Date: Wed, 20 Sep 2017 15:45:44 -0700 Message-ID: <20170920224605.22030-5-ebiggers3@gmail.com> References: <20170920224605.22030-1-ebiggers3@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from sog-mx-4.v43.ch3.sourceforge.com ([172.29.43.194] helo=mx.sourceforge.net) by sfs-ml-2.v29.ch3.sourceforge.com with esmtps (TLSv1:DHE-RSA-AES256-SHA:256) (Exim 4.89) (envelope-from ) id 1dunlm-0004Oz-4U for linux-f2fs-devel@lists.sourceforge.net; Wed, 20 Sep 2017 22:47:02 +0000 Received: from mail-pf0-f195.google.com ([209.85.192.195]) by sog-mx-4.v43.ch3.sourceforge.com with esmtps (TLSv1:AES128-SHA:128) (Exim 4.76) id 1dunll-0003BB-9l for linux-f2fs-devel@lists.sourceforge.net; Wed, 20 Sep 2017 22:47:02 +0000 Received: by mail-pf0-f195.google.com with SMTP id g65so1725645pfe.1 for ; Wed, 20 Sep 2017 15:47:01 -0700 (PDT) In-Reply-To: <20170920224605.22030-1-ebiggers3@gmail.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net To: linux-fscrypt@vger.kernel.org Cc: "Theodore Y . Ts'o" , Eric Biggers , Michael Halcrow , linux-f2fs-devel@lists.sourceforge.net, linux-mtd@lists.infradead.org, linux-fsdevel@vger.kernel.org, Jaegeuk Kim , linux-ext4@vger.kernel.org From: Eric Biggers In the case where a filesystem has been configured without encryption support, there is no longer any need to initialize ->s_cop at all, since none of the methods are ever called. Signed-off-by: Eric Biggers --- fs/ext4/super.c | 5 ++--- fs/f2fs/super.c | 5 ++--- fs/ubifs/super.c | 7 ++----- 3 files changed, 6 insertions(+), 11 deletions(-) diff --git a/fs/ext4/super.c b/fs/ext4/super.c index bc63cdf194e3..04f3670748e7 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -1244,9 +1244,6 @@ static const struct fscrypt_operations ext4_cryptops = { .empty_dir = ext4_empty_dir, .max_namelen = ext4_max_namelen, }; -#else -static const struct fscrypt_operations ext4_cryptops = { -}; #endif #ifdef CONFIG_QUOTA @@ -3998,7 +3995,9 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) sb->s_op = &ext4_sops; sb->s_export_op = &ext4_export_ops; sb->s_xattr = ext4_xattr_handlers; +#ifdef CONFIG_EXT4_FS_ENCRYPTION sb->s_cop = &ext4_cryptops; +#endif #ifdef CONFIG_QUOTA sb->dq_op = &ext4_quota_operations; if (ext4_has_feature_quota(sb)) diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 1cb41f711ab8..c1c7183b3527 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -1597,9 +1597,6 @@ static const struct fscrypt_operations f2fs_cryptops = { .empty_dir = f2fs_empty_dir, .max_namelen = f2fs_max_namelen, }; -#else -static const struct fscrypt_operations f2fs_cryptops = { -}; #endif static struct inode *f2fs_nfs_get_inode(struct super_block *sb, @@ -2318,7 +2315,9 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent) #endif sb->s_op = &f2fs_sops; +#ifdef CONFIG_F2FS_FS_ENCRYPTION sb->s_cop = &f2fs_cryptops; +#endif sb->s_xattr = f2fs_xattr_handlers; sb->s_export_op = &f2fs_export_ops; sb->s_magic = F2FS_SUPER_MAGIC; diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c index adaca6088836..7503e7cdf870 100644 --- a/fs/ubifs/super.c +++ b/fs/ubifs/super.c @@ -2007,11 +2007,6 @@ static struct ubifs_info *alloc_ubifs_info(struct ubi_volume_desc *ubi) return c; } -#ifndef CONFIG_UBIFS_FS_ENCRYPTION -const struct fscrypt_operations ubifs_crypt_operations = { -}; -#endif - static int ubifs_fill_super(struct super_block *sb, void *data, int silent) { struct ubifs_info *c = sb->s_fs_info; @@ -2054,7 +2049,9 @@ static int ubifs_fill_super(struct super_block *sb, void *data, int silent) sb->s_maxbytes = c->max_inode_sz = MAX_LFS_FILESIZE; sb->s_op = &ubifs_super_operations; sb->s_xattr = ubifs_xattr_handlers; +#ifdef CONFIG_UBIFS_FS_ENCRYPTION sb->s_cop = &ubifs_crypt_operations; +#endif mutex_lock(&c->umount_mutex); err = mount_ubifs(c); -- 2.14.1.821.g8fa685d3b7-goog ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot