Re: 2.a.30-rc7: fat filesystem misdetected as amiga

[Alan Stern]

On Tue, 26 May 2009, Michael S. Tsirkin wrote:

> > They would know.  But it's easy enough to find out.  (Looks through 
> > the SCSI code...)  Here we go.  scsi_io_completion() contains this:
> > 
> > 		case ILLEGAL_REQUEST:
> > 			/* If we had an ILLEGAL REQUEST returned, then
> > 			 * we may have performed an unsupported
> > 			 * command.  The only thing this should be
> > 			 * would be a ten byte read where only a six
> > 			 * byte read was supported.  Also, on a system
> > 			 * where READ CAPACITY failed, we may have
> > 			 * read past the end of the disk.
> > 			 */
> > 			if ((cmd->device->use_10_for_rw &&
> > 			    sshdr.asc == 0x20 && sshdr.ascq == 0x00) &&
> > 			    (cmd->cmnd[0] == READ_10 ||
> > 			     cmd->cmnd[0] == WRITE_10)) {
> > 				/* This will issue a new 6-byte command. */
> > 				cmd->device->use_10_for_rw = 0;
> > 				action = ACTION_REPREP;
> > 			} else if (sshdr.asc == 0x10) /* DIX */ {
> > 				description = "Host Data Integrity Failure";
> > 				action = ACTION_FAIL;
> > 				error = -EILSEQ;
> > 			} else
> > 				action = ACTION_FAIL;
> > 			break;
> 
> Which kernel version is this? I see different code in 2.6.30-rc7.

I don't.  It looks exactly the same as this (this was taken from 
2.6.30-rc6).  Look starting at line 844 of drivers/scsi/scsi_lib.c.

Alan Stern

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