linux-ext4 - Re: [PATCH 2/2] ext3: Add journal error check into ext3

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Message-ID: <1290483430.1857.43.camel@leonhard>
Date:	Tue, 23 Nov 2010 12:37:10 +0900
From:	Namhyung Kim <namhyung@...il.com>
To:	Jan Kara <jack@...e.cz>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Andreas Dilger <adilger.kernel@...ger.ca>,
	linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] ext3: Add journal error check into ext3_rename()

2010-11-22 (월), 19:05 +0100, Jan Kara:
>   Uhuh, why ext3_journal_revoke()? I expect you want to cancel the changes
> you possibly did to new_bh. ext3_journal_forget() is for that but even that
> doesn't necessarily do what you want because it could cancel also changes
> some unrelated operation did to the buffer. So the only way to really undo
> the change is to set new_de->inode and new_de->file_type to original
> values. Also since we already unlinked the inode from the old directory,
> I'm not sure it's even beneficial to undo linking it to the new one. So I'd
> just bail out as fast as we can and leave on fsck to handle the mess...
> 
> 								Honza

Right. I wanted cancel the changes but I wasn't sure what I did. Thanks
for the explanation. I'll send v2 soon.

-- 
Regards,
Namhyung Kim


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