erofs: code cleanup by removing ifdef macro surrounding
Define erofs_listxattr and erofs_xattr_handlers to NULL when
CONFIG_EROFS_FS_XATTR is not enabled, then we can remove many
ugly ifdef macros in the code.
Signed-off-by: Chengguang Xu <cgxu519@mykernel.net>
Reviewed-by: Gao Xiang <hsiangkao@redhat.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Link: https://lore.kernel.org/r/20200526090343.22794-1-cgxu519@mykernel.net
Signed-off-by: Gao Xiang <hsiangkao@redhat.com>
diff --git a/fs/erofs/xattr.h b/fs/erofs/xattr.h
index 50966f1..e4e5093 100644
--- a/fs/erofs/xattr.h
+++ b/fs/erofs/xattr.h
@@ -76,11 +76,8 @@ static inline int erofs_getxattr(struct inode *inode, int index,
return -EOPNOTSUPP;
}
-static inline ssize_t erofs_listxattr(struct dentry *dentry,
- char *buffer, size_t buffer_size)
-{
- return -EOPNOTSUPP;
-}
+#define erofs_listxattr (NULL)
+#define erofs_xattr_handlers (NULL)
#endif /* !CONFIG_EROFS_FS_XATTR */
#ifdef CONFIG_EROFS_FS_POSIX_ACL