linux-kernel - Re: [PATCH] hfsplus: remove pr_err message on ENOSPC file extend error

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: <C65DFC10-FEF7-4117-894D-F347310ED13E@dubeyko.com>
Date:   Mon, 9 Nov 2020 11:40:52 -0800
From:   Viacheslav Dubeyko <slava@...eyko.com>
To:     Colin King <colin.king@...onical.com>
Cc:     Linux FS devel list <linux-fsdevel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] hfsplus: remove pr_err message on ENOSPC file extend
 error



> On Nov 6, 2020, at 1:55 PM, Colin King <colin.king@...onical.com> wrote:
> 
> From: Colin Ian King <colin.king@...onical.com>
> 
> Currently ENOSPC errors that are triggered from extending a file
> are spamming the kernel log with messages.  Since ENOSPC is being
> returned there is enough information to userspace to inform why
> the extend is failing and the error message is unnecessary and
> just more logging noise.  This is particularly noticeable when
> exercising a full hfs filesystem with stress-ng file stress tests.
> 
> Signed-off-by: Colin Ian King <colin.king@...onical.com>
> ---
> fs/hfsplus/extents.c | 6 +-----
> 1 file changed, 1 insertion(+), 5 deletions(-)
> 
> diff --git a/fs/hfsplus/extents.c b/fs/hfsplus/extents.c
> index a930ddd15681..6cc30482c82c 100644
> --- a/fs/hfsplus/extents.c
> +++ b/fs/hfsplus/extents.c
> @@ -446,13 +446,9 @@ int hfsplus_file_extend(struct inode *inode, bool zeroout)
> 	int res;
> 
> 	if (sbi->alloc_file->i_size * 8 <
> -	    sbi->total_blocks - sbi->free_blocks + 8) {
> +	    sbi->total_blocks - sbi->free_blocks + 8)
> 		/* extend alloc file */
> -		pr_err("extend alloc file! (%llu,%u,%u)\n",
> -		       sbi->alloc_file->i_size * 8,
> -		       sbi->total_blocks, sbi->free_blocks);
> 		return -ENOSPC;
> -	}

Looks good and sounds reasonable.

Reviewed-by: Viacheslav Dubeyko <slava@...eyko.com>

Thanks,
Viacheslav Dubeyko.

> 
> 	mutex_lock(&hip->extents_lock);
> 	if (hip->alloc_blocks == hip->first_blocks)
> -- 
> 2.28.0
>