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authorEric Biggers <ebiggers@google.com>2017-10-09 21:15:38 +0200
committerTheodore Ts'o <tytso@mit.edu>2017-10-19 01:52:37 +0200
commitffcc41829ae043d0830bcd4536812fec7e098d93 (patch)
treedec5c48fa7632fe85d8b639644723d242b07e71a /fs/ext4
parentfscrypt: remove ->is_encrypted() (diff)
downloadlinux-ffcc41829ae043d0830bcd4536812fec7e098d93.tar.xz
linux-ffcc41829ae043d0830bcd4536812fec7e098d93.zip
fscrypt: remove unneeded empty fscrypt_operations structs
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. Reviewed-by: Chao Yu <yuchao0@huawei.com> Acked-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4')
-rw-r--r--fs/ext4/super.c5
1 files changed, 2 insertions, 3 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))