Follow-up Comment #1, bug #30221 (project grub):
Hi,
I probably found why disk cache is not working properly.
It seems to be related to scsi.c module - it does not set disk->id to be
unique for each scsi disk.
This patch
diff -urB ./usb/disk/scsi.c ./usb_patched/disk/scsi.c
--- ./usb/disk/scsi.c 2010-06-25 23:06:58.000000000 +0200
+++ ./usb_patched/disk/scsi.c 2010-06-25 22:59:46.000000000 +0200
@@ -379,7 +379,7 @@
if (p->open (name, scsi))
continue;
- disk->id = (unsigned long) "scsi"; /* XXX */
+ disk->id = *((unsigned long*)&name[len-4]); /* XXX: Must be unique for
each disk for disk cache ! */
disk->data = scsi;
scsi->dev = p;
scsi->lun = lun;
should simply correct this problem.
Does anybody have also this problem and can test this patch ?
Or does anybody some better idea how to set disk->id ?
Regards
Ales
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