linux-kernel - Re: [PATCH 0/4] FS: userspace notification of errors

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Message-ID: <4A276573.5000900@nokia.com>
Date:	Thu, 04 Jun 2009 09:10:59 +0300
From:	Artem Bityutskiy <Artem.Bityutskiy@...ia.com>
To:	Jan Kara <jack@...e.cz>
CC:	"Karpov Denis.2 (EXT-Teleca/Helsinki)" <ext-denis.2.karpov@...ia.com>,
	"axboe@...nel.dk" <axboe@...nel.dk>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
	"hirofumi@...l.parknet.co.jp" <hirofumi@...l.parknet.co.jp>,
	"linux-ext4@...r.kernel.org" <linux-ext4@...r.kernel.org>,
	"linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Hunter Adrian (Nokia-D/Helsinki)" <adrian.hunter@...ia.com>
Subject: Re: [PATCH 0/4] FS: userspace notification of errors

ext Jan Kara wrote:
>   Hi,
> 
>> 2. Make FAT and EXT2 file systems use the above mechanism to optionally
>>    notify user space about errors. Implemented as 'notify' mount option
>>    (PATCH 3,4).
>>    FAT error reporting facilities had to be re-factored (PATCH 2) in 
>>    order to simplify sending error notifications.
>   One question: Why would not a filesystem / admin want the notification
> to be sent? Or in other words what's the point of the mount option?

I agree on this. I guess we should instead implement a VFS helper
like 'send_error_notification(sb, error_type)'. Then we can teach
certain FSes to utilize it. We are particularly interested in FAT,
actually.

-- 
Best Regards,
Artem Bityutskiy (Артём Битюцкий)
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