Vic.Dong
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 Posted:
Fri Apr 09, 2004 12:16 pm Post subject:
It occurs no response as copying files in windows explore. |
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Hello, All:
I make a ram disk driver based on "RamDisk Sample" downloaded from Microsoft
MSDN. I want to save data to a image file as per IRP_MJ_WRITE IRP occurs
after writting to RamDisk.
[procedure]:
1, Complete really Write IRP on RamDisk
2, Save data that was in IRP to a image file on physical hard drive
3, Complete that IRP passed from upper driver.
I found if files will be copyed to RamDisk is more than or equal 50M bytes
size, then some seconds later, windows explorer becomes no-response. If I
mark that ZwWriteFile() api in my RamDisk driver source code, it works well,
but save nothing data to a file.
Who can help me?
Thanks.
B.R. |
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