FileIndex attribute of FILE_BOTH_DIR_INFORMATION

NTFSD
1

Hai All,

Can any one of you tell me how the FileIndex attribute of
FILE_BOTH_DIR_INFORMATION structure is being used by I/O manager and File
system drivers with the IRP_MN_QUERY_DIRECTORY request.

When we traced FileIndex in a filter driver, we observed that the value is
not sequential so how to interpret this value?

Any information would be helpful,

Thanx in advance,
Kedar.

2

This value is FS specific. The FS can set it to anything it wants. If you
wish you can set it to a pointer to a structure that describes where you
stopped.
In case of a filter driver, the index should not be changed.

Regards, Dejan.

xxxxx@hotmail.com wrote:

Hai All,

Can any one of you tell me how the FileIndex attribute of
FILE_BOTH_DIR_INFORMATION structure is being used by I/O manager and File
system drivers with the IRP_MN_QUERY_DIRECTORY request.

When we traced FileIndex in a filter driver, we observed that the value is
not sequential so how to interpret this value?

Any information would be helpful,

Thanx in advance,
Kedar.

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Kind regards, Dejan M. www.alfasp.com
E-mail: xxxxx@alfasp.com ICQ#: 56570367
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