Hi Sean,
I have posted some messages before with the subject "About SG Elements
of request_buffer" and "SCSITAP, Virtual SCSI HBA and user space SCSI
initiators". Can you please read them and tell me what you think?
I have exactly what you wanted, and other people in the email group
either said it is already there or not seems to be very much interested.
Basically, i built to impliment some user space SCSI engines and
initiators. If you want i can email you a working copy of it where you
can present the normal files as disks.
Aboo
Sean Bruno wrote:
On Sun, 2006-10-29 at 17:02 -0600, Matt Domsch wrote:
On Sun, Oct 29, 2006 at 12:19:19PM -0800, Sean Bruno wrote:
Is there a project/driver that would take a disk/file/lvm partition as
an argument(/dev/sda, /tmp/my_big_file.bin /dev/Mapper/MYLVMPART eg.)
and then create a new /dev entry that could be read/written to as though
it were a disk?
I think I want to look at sg, but I wasn't sure if that is what I want.
Just poking around for fun and education.
Sean
You want something different than losetup and /dev/loop ?
e.g. something you can issue disk-like ioctls to?
Precisely. I am interested in capturing the data that would be sent to
the device and copying it somewhere before it is written to the disk.
Kind of like the way target mode drivers accept a file/disk as a target
for their operations.
Sean
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