linux-ext4 - Re: [PATCH] V2 jbd2_stats_proc

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <4CE166D5.60308@sandeen.net>
Date:	Mon, 15 Nov 2010 10:59:01 -0600
From:	Eric Sandeen <sandeen@...deen.net>
To:	yangsheng <sheng.yang@...cle.com>
CC:	linux-fsdevel@...r.kernel.org,
	ext4 development <linux-ext4@...r.kernel.org>
Subject: Re: [PATCH]  V2 jbd2_stats_proc_init wrong place.

On 11/11/10 3:23 PM, yangsheng wrote:
>  The jbd2_stats_proc_init() was placed on wrong location in
>  jbd2_journal_init_dev().  This may cause /proc/fs/jdb2/<dev>/*
>  cannot be created when using external journal device.
> ---
>  fs/jbd2/journal.c |   19 ++++++++++---------
>  1 files changed, 10 insertions(+), 9 deletions(-)

adding linux-ext4 to cc:

> diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
> index 13b0a92..a435710 100644
> --- a/fs/jbd2/journal.c
> +++ b/fs/jbd2/journal.c
> @@ -897,9 +897,18 @@ journal_t * jbd2_journal_init_dev(struct block_device *bdev,
>  	if (!journal)
>  		return NULL;
>  
> +	journal->j_dev = bdev;
> +	journal->j_fs_dev = fs_dev;
> +	journal->j_blk_offset = start;
> +	journal->j_maxlen = len;
> +	bdevname(journal->j_dev, journal->j_devname);
> +	p = journal->j_devname;
> +	while ((p = strchr(p, '/')))
> +		*p = '!';
> +	jbd2_stats_proc_init(journal);
> +
>  	/* journal descriptor can store up to n blocks -bzzz */
>  	journal->j_blocksize = blocksize;
> -	jbd2_stats_proc_init(journal);
>  	n = journal->j_blocksize / sizeof(journal_block_tag_t);
>  	journal->j_wbufsize = n;
>  	journal->j_wbuf = kmalloc(n * sizeof(struct buffer_head*), GFP_KERNEL);
> @@ -908,14 +917,6 @@ journal_t * jbd2_journal_init_dev(struct block_device *bdev,
>  			__func__);
>  		goto out_err;
>  	}
> -	journal->j_dev = bdev;
> -	journal->j_fs_dev = fs_dev;
> -	journal->j_blk_offset = start;
> -	journal->j_maxlen = len;
> -	bdevname(journal->j_dev, journal->j_devname);
> -	p = journal->j_devname;
> -	while ((p = strchr(p, '/')))
> -		*p = '!';
>  
>  	bh = __getblk(journal->j_dev, start, journal->j_blocksize);
>  	if (!bh) {

--
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html