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From: "\"潘卫平(Peter Pan)\"" <wppan@redflag-linux.com>
To: unlisted-recipients:; (no To-header on input)
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH 01/28] daily commit
Date: Fri, 27 Aug 2010 18:56:58 +0800	[thread overview]
Message-ID: <4C7799FA.5050403@redflag-linux.com> (raw)
In-Reply-To: <1282894186-29199-1-git-send-email-wppan@redflag-linux.com>

On 2010年08月27日 15:29, Peter Pan(潘卫平) wrote:
> From: Peter Pan<wppan@redflag-linux.com>
>
> Signed-off-by: Peter Pan<wppan@redflag-linux.com>
> ---
>   include/linux/fs.h |    7 ++++---
>   1 files changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/include/linux/fs.h b/include/linux/fs.h
> index 44f35ae..8382a33 100644
> --- a/include/linux/fs.h
> +++ b/include/linux/fs.h
> @@ -1335,7 +1335,7 @@ struct super_block {
>   	struct mutex		s_lock;
>   	int			s_count;
>   	int			s_need_sync;
> -	atomic_t		s_active;
> +	atomic_t		s_active; // 活动引用计数
>   #ifdef CONFIG_SECURITY
>   	void                    *s_security;
>   #endif
> @@ -1343,7 +1343,7 @@ struct super_block {
>
>   	struct list_head	s_inodes;	/* all inodes */
>   	struct hlist_head	s_anon;		/* anonymous dentries for (nfs) exporting */
> -	struct list_head	s_files;
> +	struct list_head	s_files; // ????????被分区的文件链表????????
>   	/* s_dentry_lru and s_nr_dentry_unused are protected by dcache_lock */
>   	struct list_head	s_dentry_lru;	/* unused dentry lru */
>   	int			s_nr_dentry_unused;	/* # of dentry on lru */
> @@ -1358,7 +1358,8 @@ struct super_block {
>   	wait_queue_head_t	s_wait_unfrozen;
>
>   	char s_id[32];				/* Informational name */
> -
> +	
> +	// 指向具体的文件系统。如ext2指向ext2_sb_info(即内存中的ext2_super_block)
>   	void 			*s_fs_info;	/* Filesystem private info */
>   	fmode_t			s_mode;
>

?????????????
-- 
潘卫平
Peter Pan
Red Flag Software Co.,Ltd

           reply	other threads:[~2010-08-27 10:57 UTC|newest]

Thread overview: expand[flat|nested]  mbox.gz  Atom feed
 [parent not found: <1282894186-29199-1-git-send-email-wppan@redflag-linux.com>]

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