Is there any way to find out when another volume is ready? Because i need to
create a file in this volume
s,
Thiago Fabre
NNESP / Bauru
(14) 91096114
On Fri, Feb 25, 2011 at 4:14 PM, Don Burn wrote:
> When in the boot process? For boot drivers only the boot volume can be
> trusted to be there.
>
>
>
> Don Burn (MVP, Windows DKD)
> Windows Filesystem and Driver Consulting
> Website: http://www.windrvr.com
> Blog: http://msmvps.com/blogs/WinDrvr
>
>
>
>
> “Thiago Fabre” wrote in message news:xxxxx@ntdev
> :
>
>
> The driver I’m developing is a storage filter to get some informations
>> about
>> the volumes on boot. If I open (ZwCreateFile) a file in the C:
>> (\Device\HarddiskVolume1) everything works fine, but if I tried to open a
>> file in the D: (\Device\HarddiskVolume2) the ZwCreateFIle returns ERROR.
>> Anyone have any idea what it’s happeing?
>>
>>
>>
>> Thiago Fabre
>> UNESP / Bauru - Brasil
>> (14) 91096114
>>
>>
>> On Fri, Feb 25, 2011 at 2:18 PM, Don Burn wrote:
>>
>> > You did not say what version of Windows, but I am guessing you are
>> hitting
>> > this with Vista or later. You cannot open a mounted volume for writing
>> in
>> > Windows starting with Vista, so you get the error. You also can’t open
>> the
>> > volume the way you are except for RAW since you are below the
>> filesystem.
>> > You need to open a file or a directory on the file system to use
>> > ZwQueryVolumeInformationFile().
>> >
>> >
>> > Don Burn (MVP, Windows DKD)
>> > Windows Filesystem and Driver Consulting
>> > Website: http://www.windrvr.com
>> > Blog: http://msmvps.com/blogs/WinDrvr
>> >
>> >
>> >
>> >
>> > “xxxxx@gmail.com” wrote in message
>> > news:xxxxx@ntdev:
>> >
>> >
>> > I’m using ZwCreateFile() to open a volume to get information with the
>> >> ZwQueryVolumeInformationFile(). But when I used the ZwCreateFile()
>> with
>> >> this parameters:
>> >> status = ZwCreateFile(&deviceHand,
>> >> FILE_READ_ATTRIBUTES | FILE_WRITE_ATTRIBUTES,
>> >> &objAttribDev,
>> >> &ioStatusBlock,
>> >> 0,
>> >> FILE_ATTRIBUTE_NORMAL,
>> >> FILE_SHARE_READ | FILE_SHARE_WRITE,
>> >> FILE_OPEN,
>> >> FILE_SYNCHRONOUS_IO_NONALERT |
>> >> FILE_NON_DIRECTORY_FILE,
>> >> 0,
>> >> 0);
>> >>
>> >> The volume (NTFS) change to RAW, and I can’t get the informations.
>> >> And when I used with these parameters
>> >> status = ZwCreateFile(&deviceHand,
>> >> FILE_READ_ATTRIBUTES,
>> >> &objAttribDev,
>> >> &ioStatusBlock,
>> >> 0,
>> >> FILE_ATTRIBUTE_NORMAL,
>> >> FILE_SHARE_READ ,
>> >> FILE_OPEN,
>> >> FILE_SYNCHRONOUS_IO_NONALERT |
>> >> FILE_NON_DIRECTORY_FILE,
>> >> 0,
>> >> 0);
>> >> The volume don’t change, but the ZwQueryVolumeInformationFile return
>> ERROR
>> >>
>> >
>> >
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>
>
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