linux-kernel - Re: [f2fs-dev] [PATCH] f2fs: zone: wait for inflight dio completion, excluding pinned files

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Message-ID: <20250722042515.1403-1-yohan.joung@sk.com>
Date: Tue, 22 Jul 2025 13:25:14 +0900
From: "yohan.joung" <yohan.joung@...com>
To: linux-f2fs-devel@...ts.sourceforge.net
Cc: chao@...nel.org,
	jaegeuk@...nel.org,
	linux-kernel@...r.kernel.org,
	pilhyun.kim@...com,
	yohan.joung@...com
Subject: Re: [f2fs-dev] [PATCH] f2fs: zone: wait for inflight dio completion, excluding pinned files

>On 7/21/25 13:41, yohan.joung wrote:
>> pinfile is excluded as it operates with direct I/O
>
>pinfile can use buffer IO as well?
only considered direct I/O. I'll re-upload the pinfile considering buffered I/O
Thanks
>
>Thanks,
>
>> 
>> Signed-off-by: yohan.joung <yohan.joung@...com>
>> ---
>>  fs/f2fs/file.c | 3 ++-
>>  1 file changed, 2 insertions(+), 1 deletion(-)
>> 
>> diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
>> index 4039ccb5022c..cac8c9650a7a 100644
>> --- a/fs/f2fs/file.c
>> +++ b/fs/f2fs/file.c
>> @@ -4844,7 +4844,8 @@ static ssize_t f2fs_file_read_iter(struct kiocb *iocb, struct iov_iter *to)
>>  
>>  	/* In LFS mode, if there is inflight dio, wait for its completion */
>>  	if (f2fs_lfs_mode(F2FS_I_SB(inode)) &&
>> -	    get_pages(F2FS_I_SB(inode), F2FS_DIO_WRITE))
>> +	    get_pages(F2FS_I_SB(inode), F2FS_DIO_WRITE) &&
>> +		!f2fs_is_pinned_file(inode))
>>  		inode_dio_wait(inode);
>>