From: Chao Yu <yuchao0@huawei.com>
To: Jaegeuk Kim <jaegeuk@kernel.org>
Cc: linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net
Subject: Re: [f2fs-dev] [PATCH] f2fs: remove redundant compress inode check
Date: Wed, 25 Mar 2020 10:20:51 +0800 [thread overview]
Message-ID: <f25a42bd-6d59-6b5c-5e32-8c7d73161373@huawei.com> (raw)
In-Reply-To: <20200325021702.GC198420@google.com>
On 2020/3/25 10:17, Jaegeuk Kim wrote:
> On 03/25, Chao Yu wrote:
>> On 2020/3/24 23:43, Jaegeuk Kim wrote:
>>> On 03/24, Chao Yu wrote:
>>>> Jaegeuk,
>>>>
>>>> Missed to apply this patch?
>>>>
>>>> On 2020/2/29 18:49, Chao Yu wrote:
>>>>> due to f2fs_post_read_required() has did that.
>>>>>
>>>>> Signed-off-by: Chao Yu <yuchao0@huawei.com>
>>>>> ---
>>>>> fs/f2fs/f2fs.h | 2 --
>>>>> 1 file changed, 2 deletions(-)
>>>>>
>>>>> diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
>>>>> index f4bcbbd5e9ed..882f9ad3445b 100644
>>>>> --- a/fs/f2fs/f2fs.h
>>>>> +++ b/fs/f2fs/f2fs.h
>>>>> @@ -4006,8 +4006,6 @@ static inline bool f2fs_force_buffered_io(struct inode *inode,
>>>>> return true;
>>>>> if (f2fs_is_multi_device(sbi))
>>>>> return true;
>>>>> - if (f2fs_compressed_file(inode))
>>>>> - return true;
>>>
>>> I thought that we can keep this to avoid any confusion when porting to old
>>> production kernel which uses ICE.
>>
>> That old kernel w/ ICE doesn't have f2fs_post_read_required(), right?
>
> We do have.
Well, so I didn't catch your point why we will confuse. :P
>
>>
>> I thought we backport features with order of the time fsverity/compression
>> feature was introduced, then f2fs_post_read_required() should be there
>> when we backport compression feature.
>>
>> Thanks,
>>
>>>
>>>>> /*
>>>>> * for blkzoned device, fallback direct IO to buffered IO, so
>>>>> * all IOs can be serialized by log-structured write.
>>>>>
>>> .
>>>
> .
>
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prev parent reply other threads:[~2020-03-25 2:21 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-29 10:49 [f2fs-dev] [PATCH] f2fs: remove redundant compress inode check Chao Yu
2020-03-24 6:10 ` Chao Yu
2020-03-24 15:43 ` Jaegeuk Kim
2020-03-25 1:26 ` Chao Yu
2020-03-25 2:17 ` Jaegeuk Kim
2020-03-25 2:20 ` Chao Yu [this message]
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