On Thu, Nov 17, 2011 at 02:15:35PM +0530, Abhijit Pawar wrote: > Hi All, > I need to filter the data written/read to and from the USB storage > disk. Why? What are you wanting to do at "filter" time? Why just USB disks? What makes them special? How are you going to determine if a disk is a USB device or not? > Now the way USB is made known to OS is through SCSI and then > respective filesystem ( mostly usbfs). Not really, usbfs is only one way, and it has nothing to do with usb disks. > So is there any way I can intercept this stack and have my kernel module > invoked so that I will get the data. Not easily. > I have been thinking on two approaches: > > 1. Use VFS and write a proxy filesystem for USB device which will filter > the data. > 2. checking SCSI and any intercepting point. Again, what are you trying to "filter"? That will determine where you make changes. thanks, greg k-h _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
