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Message-Id: <A60A8436-AADD-46CA-9A62-261EE2DE0CB6@dilger.ca>
Date:   Mon, 10 Sep 2018 18:29:24 -0600
From:   Andreas Dilger <adilger@...ger.ca>
To:     Wang Shilong <wangshilong1991@...il.com>
Cc:     linux-ext4@...r.kernel.org, wshilong@....com
Subject: Re: [PATCH] ext4: fix to detect failure of dquot_initialize in
 project ioctl


> On Sep 10, 2018, at 5:55 PM, Wang Shilong <wangshilong1991@...il.com> wrote:
> 
> From: Wang Shilong <wshilong@....com>
> 
> We return most of failure of dquota_initialize() except
> inode evict, this could make a bit sense, for example
> we allow file removal even quota files are broken?
> 
> But it dosen't make sense to allow setting project
> if quota files etc are broken.
> 
> Signed-off-by: Wang Shilong <wshilong@....com>
> ---
> This patch based on:
> https://patchwork.ozlabs.org/patch/967727/
> ---
> fs/ext4/ioctl.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
> index 6ef989a..2f0bb90 100644
> --- a/fs/ext4/ioctl.c
> +++ b/fs/ext4/ioctl.c
> @@ -359,7 +359,9 @@ static int ext4_ioctl_setproject(struct file *filp, __u32 projid)
> 		brelse(iloc.bh);
> 	}
> 
> -	dquot_initialize(inode);
> +	err = dquot_initialize(inode);
> +	if (err)
> +		return err;

(defect) this should use "goto out_unlock;" like the other error handling here.


Cheers, Andreas






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