linux-kernel - Re: [PATCH v10 05/14] exfat: add file operations

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Date:   Fri, 17 Jan 2020 20:12:26 +0800
From:   Namjae Jeon <linkinjeon@...il.com>
To:     Pali Rohár <pali.rohar@...il.com>
Cc:     Namjae Jeon <namjae.jeon@...sung.com>,
        linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        gregkh@...uxfoundation.org, valdis.kletnieks@...edu, hch@....de,
        sj1557.seo@...sung.com, arnd@...db.de
Subject: Re: [PATCH v10 05/14] exfat: add file operations

2020-01-17 17:18 GMT+08:00, Pali Rohár <pali.rohar@...il.com>:
> On Wednesday 15 January 2020 17:24:38 Namjae Jeon wrote:
>> This adds the implementation of file operations for exfat.
>>
>> Reviewed-by: Christoph Hellwig <hch@....de>
>> Signed-off-by: Namjae Jeon <namjae.jeon@...sung.com>
>> Signed-off-by: Sungjong Seo <sj1557.seo@...sung.com>
>> ---
>>  fs/exfat/file.c | 355 ++++++++++++++++++++++++++++++++++++++++++++++++
>>  1 file changed, 355 insertions(+)
>>  create mode 100644 fs/exfat/file.c
>>
>> diff --git a/fs/exfat/file.c b/fs/exfat/file.c
>> new file mode 100644
>> index 000000000000..b4b8af0cae0a
>> --- /dev/null
>> +++ b/fs/exfat/file.c
>
> ...
>
>> +/* resize the file length */
>> +int __exfat_truncate(struct inode *inode, loff_t new_size)
>> +{
>
> ...
>
>> +
>> +		ktime_get_real_ts64(&ts);
>> +		exfat_set_entry_time(sbi, &ts,
>> +				&ep->dentry.file.modify_time,
>> +				&ep->dentry.file.modify_date,
>> +				&ep->dentry.file.modify_tz);
>
> Hello! Now I spotted that you forgot to update "modify_time_ms" entry.
Good catch:)
>
> To prevent this problem, maybe function modify_time_ms() could take
> another (optional) parameter for specifying time_ms?
Okay, I will change exfat_set/get_entry_time to take a time_ms argument.
Thanks for your review!