linux-kernel - Re: [PATCH 7/7] sysfs: Kill unused sysfs

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Date:	Tue, 12 Jan 2010 11:43:58 -0600
From:	"Serge E. Hallyn" <serue@...ibm.com>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
Cc:	Greg Kroah-Hartman <gregkh@...e.de>,
	Kay Sievers <kay.sievers@...y.org>,
	linux-kernel@...r.kernel.org, Tejun Heo <tj@...nel.org>,
	Cornelia Huck <cornelia.huck@...ibm.com>,
	linux-fsdevel@...r.kernel.org,
	Eric Dumazet <eric.dumazet@...il.com>,
	Benjamin LaHaise <bcrl@...et.ca>,
	"Eric W. Biederman" <ebiederm@...stanetworks.com>
Subject: Re: [PATCH 7/7] sysfs: Kill unused sysfs_sb variable.

Quoting Eric W. Biederman (ebiederm@...ssion.com):
> From: Eric W. Biederman <ebiederm@...ssion.com>
> 
> Now that there are no more users we can remove
> the sysfs_sb variable.
> 
> Acked-by: Tejun Heo <tj@...nel.org>
> Signed-off-by: Eric W. Biederman <ebiederm@...stanetworks.com>

Acked-by: Serge Hallyn <serue@...ibm.com>

> ---
>  fs/sysfs/mount.c |    2 --
>  fs/sysfs/sysfs.h |    1 -
>  2 files changed, 0 insertions(+), 3 deletions(-)
> 
> diff --git a/fs/sysfs/mount.c b/fs/sysfs/mount.c
> index 77bce54..50cf41c 100644
> --- a/fs/sysfs/mount.c
> +++ b/fs/sysfs/mount.c
> @@ -23,7 +23,6 @@
> 
> 
>  static struct vfsmount *sysfs_mount;
> -struct super_block * sysfs_sb = NULL;
>  struct kmem_cache *sysfs_dir_cachep;
> 
>  static const struct super_operations sysfs_ops = {
> @@ -51,7 +50,6 @@ static int sysfs_fill_super(struct super_block *sb, void *data, int silent)
>  	sb->s_magic = SYSFS_MAGIC;
>  	sb->s_op = &sysfs_ops;
>  	sb->s_time_gran = 1;
> -	sysfs_sb = sb;
> 
>  	/* get root inode, initialize and unlock it */
>  	mutex_lock(&sysfs_mutex);
> diff --git a/fs/sysfs/sysfs.h b/fs/sysfs/sysfs.h
> index 1ae6009..0ea96af 100644
> --- a/fs/sysfs/sysfs.h
> +++ b/fs/sysfs/sysfs.h
> @@ -112,7 +112,6 @@ struct sysfs_addrm_cxt {
>   * mount.c
>   */
>  extern struct sysfs_dirent sysfs_root;
> -extern struct super_block *sysfs_sb;
>  extern struct kmem_cache *sysfs_dir_cachep;
> 
>  /*
> -- 
> 1.6.5.2.143.g8cc62
> 
> --
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