Re: [V9fs-developer] [PATCH V2] fs/9p: Use updated offset for writing

[Eric Van Hensbergen]

Yeah, probably a good idea, if we don't make it in time these are
actually fixes so we can bring them in during -rc1.

On Sun, Mar 20, 2011 at 8:56 AM, Aneesh Kumar K. V
<aneesh.kumar@xxxxxxxxxxxxxxxxxx> wrote:
> On Wed, 16 Mar 2011 21:40:49 +0530, "M. Mohan Kumar" <mohan@xxxxxxxxxx> wrote:
>> Use the updated offset given by generic_write_checks. Without this fix,
>> even if a file is opened in O_APPEND mode, data will be written at current
>> file position instead of end of file.
>>
>> Signed-off-by: M. Mohan Kumar <mohan@xxxxxxxxxx>
>
> Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
>
> Eric,
>
> I guess this should go in this merge window ?
>
>> ---
>>  fs/9p/vfs_file.c |    7 +++++--
>>  1 files changed, 5 insertions(+), 2 deletions(-)
>>
>> diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
>> index 6997eb6..ffed558 100644
>> --- a/fs/9p/vfs_file.c
>> +++ b/fs/9p/vfs_file.c
>> @@ -508,9 +508,12 @@ v9fs_file_write(struct file *filp, const char __user * data,
>>       if (!count)
>>               goto out;
>>
>> -     return v9fs_file_write_internal(filp->f_path.dentry->d_inode,
>> +     retval = v9fs_file_write_internal(filp->f_path.dentry->d_inode,
>>                                       filp->private_data,
>> -                                     data, count, offset, 1);
>> +                                     data, count, &origin, 1);
>> +     /* update offset on successful write */
>> +     if (retval > 0)
>> +             *offset = origin;
>>  out:
>>       return retval;
>>  }
>
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