linux-kernel - Re: [PATCH] FILESYSTEMS: Delete unused "int dummy[5]" from inodes_stat

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Message-ID: <20070529180422.GA5666@martell.zuzino.mipt.ru>
Date:	Tue, 29 May 2007 22:04:22 +0400
From:	Alexey Dobriyan <adobriyan@...il.com>
To:	"Robert P. J. Day" <rpjday@...dspring.com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...l.org>,
	Alexander Viro <viro@...iv.linux.org.uk>
Subject: Re: [PATCH] FILESYSTEMS:  Delete unused "int dummy[5]" from inodes_stat_t.

On Tue, May 29, 2007 at 01:11:07PM -0400, Robert P. J. Day wrote:
> Delete the apparently unused array "int dummy[5]" from struct
> inodes_stat_t.

>   no idea what that array is for, but no one seems to care about it.
> removal compile-tested on x86 with "make allyesconfig" and nobody
> misses it (unless it's used for padding of some kind).

> --- a/include/linux/fs.h
> +++ b/include/linux/fs.h
> @@ -44,7 +44,6 @@ extern int get_max_files(void);
>  struct inodes_stat_t {
>  	int nr_inodes;
>  	int nr_unused;
> -	int dummy[5];
>  };
>  extern struct inodes_stat_t inodes_stat;

Please...

static ctl_table fs_table[] = {
	{
		.ctl_name	= FS_NRINODE,
		.procname	= "inode-nr",
		.data		= &inodes_stat,
		.maxlen		= 2*sizeof(int),
		.mode		= 0444,
		.proc_handler	= &proc_dointvec,
	},
	{
		.ctl_name	= FS_STATINODE,
		.procname	= "inode-state",
		.data		= &inodes_stat,
		.maxlen		= 7*sizeof(int),
				 ^^^

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