From: yebin <yebin10@huawei.com>
To: Theodore Ts'o <tytso@mit.edu>
Cc: <adilger.kernel@dilger.ca>, <linux-ext4@vger.kernel.org>,
<jaegeuk@kernel.org>, <chao@kernel.org>,
<linux-f2fs-devel@lists.sourceforge.net>,
<linux-kernel@vger.kernel.org>, <jack@suse.cz>,
<lczerner@redhat.com>
Subject: Re: [PATCH -next v2] ext4:fix file system corrupted when rmdir non empty directory with IO error
Date: Sat, 26 Feb 2022 10:56:27 +0800 [thread overview]
Message-ID: <621996DB.1030501@huawei.com> (raw)
In-Reply-To: <YhmPKVrVHhTeKOzl@mit.edu>
On 2022/2/26 10:23, Theodore Ts'o wrote:
> On Fri, Feb 11, 2022 at 05:35:27PM +0800, Ye Bin wrote:
>> Now if read directory block failed, 'ext4_empty_dir' will return true, assume
>> directory is empty. Obviously, it will lead to above issue.
>> To solve this issue, if read directory block failed 'ext4_empty_dir' just assume
>> directory isn't empty. To avoid making things worse when file system is already
>> corrupted, 'ext4_empty_dir' also assume directory isn't empty.
>> To distinguish the error type, return the exact error code to the caller.
>>
> Does the same issue exist for f2fs and ubifs? We could solve the
> specific bug much more simply by having ext4_empty_dir() return FALSE
> if we aren't able to read the directory block. Yes, it means that we
> don't return as specific an error code in the case of an I/O error ---
> although I believe we do syslog a warning --- but it makes for a much
> simpler patch that doesn't requiring getting acked-by's from the
> fscrypt, f2fs and ubifs folks.
>
> - Ted
> .
In fact, I only modified ext4 as you suggested in my v1 patch.
[-next] ext4:fix file system corrupted when rmdir non empty directory
with IO error :
https://patchwork.ozlabs.org/project/linux-ext4/patch/20220209112819.3072220-1-yebin10@huawei.com/
>
prev parent reply other threads:[~2022-02-26 2:56 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-11 9:35 [PATCH -next v2] ext4:fix file system corrupted when rmdir non empty directory with IO error Ye Bin
2022-02-25 8:22 ` yebin
2022-02-26 2:23 ` Theodore Ts'o
2022-02-26 2:56 ` yebin [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=621996DB.1030501@huawei.com \
--to=yebin10@huawei.com \
--cc=adilger.kernel@dilger.ca \
--cc=chao@kernel.org \
--cc=jack@suse.cz \
--cc=jaegeuk@kernel.org \
--cc=lczerner@redhat.com \
--cc=linux-ext4@vger.kernel.org \
--cc=linux-f2fs-devel@lists.sourceforge.net \
--cc=linux-kernel@vger.kernel.org \
--cc=tytso@mit.edu \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).