linux-kernel - Re: [PATCH v3 3/4] linux/fs.h: fix umask on NFS with CONFIG_FS_POSIX

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Date:   Fri, 17 Apr 2020 00:51:50 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Max Kellermann <mk@...all.com>
Cc:     linux-fsdevel@...r.kernel.org, linux-nfs@...r.kernel.org,
        trond.myklebust@...merspace.com, bfields@...hat.com, tytso@....edu,
        viro@...iv.linux.org.uk, agruenba@...hat.com,
        linux-kernel@...r.kernel.org, Jan Kara <jack@...e.cz>,
        stable@...r.kernel.org
Subject: Re: [PATCH v3 3/4] linux/fs.h: fix umask on NFS with
 CONFIG_FS_POSIX_ACL=n

> +#ifdef CONFIG_FS_POSIX_ACL
>  #define IS_POSIXACL(inode)	__IS_FLG(inode, SB_POSIXACL)
> +#else
> +#define IS_POSIXACL(inode)	0
> +#endif

Looks good, but I'd simplify this down to:

#define IS_POSIXACL(inode) \
	(IS_ENABLED(CONFIG_FS_POSIX_ACL) && __IS_FLG(inode, SB_POSIXACL))