Messages in this thread |  | | | Date | Sun, 10 Jun 2012 09:45:08 +0900 | | Subject | Re: [PATCH v3 3/3] usb: storage: update usb devices for write cache quirk in quirk list. | | From | Namjae Jeon <> |
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2012/6/10, Sergei Shtylyov <sshtylyov@mvista.com>: > Hello. > > On 06/09/2012 09:41 PM, Namjae Jeon wrote: > >> Update information of Seagate Portable HDD and WD My Passport HDD in >> quirk list. > >> Signed-off-by: Namjae Jeon<namjae.jeon@samsung.com> >> Signed-off-by: Pankaj Kumar<pankaj.km@samsung.com> >> Signed-off-by: Amit Sahrawat<a.sahrawat@samsung.com> >> --- >> drivers/usb/storage/unusual_devs.h | 24 ++++++++++++++++++++++++ >> 1 file changed, 24 insertions(+) > >> diff --git a/drivers/usb/storage/unusual_devs.h >> b/drivers/usb/storage/unusual_devs.h >> index 1719886..64f0369 100644 >> --- a/drivers/usb/storage/unusual_devs.h >> +++ b/drivers/usb/storage/unusual_devs.h >> @@ -1267,6 +1267,18 @@ UNUSUAL_DEV( 0x0af0, 0xd357, 0x0000, 0x0000, >> USB_SC_DEVICE, USB_PR_DEVICE, NULL, >> 0 ), >> >> +/* Reported by Namjae Jeon<namjae.jeon@samsung.com> >> + * Even though write cache is enabled by default, >> + * SCSI driver assume that cache is not enabled >> + * which in turn might lead loss of data > ^ to the > >> + * since data still will be in cache. >> + * So this entry is needed for assuming that cache is enabled. >> + */ >> +UNUSUAL_DEV(0x0bc2, 0x2300, 0x0000, 0x9999, >> + "Seagate", >> + "Portable HDD", >> + USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_WRITE_CACHE), >> + >> /* Reported by Ben Efros<ben@pc-doctor.com> */ >> UNUSUAL_DEV( 0x0bc2, 0x3010, 0x0000, 0x0000, >> "Seagate", >> @@ -1468,6 +1480,18 @@ UNUSUAL_DEV( 0x1058, 0x0704, 0x0000, 0x9999, >> USB_SC_DEVICE, USB_PR_DEVICE, NULL, >> US_FL_SANE_SENSE), >> >> +/* Reported by Namjae Jeon<namjae.jeon@samsung.com> >> + * Even though write cache is enabled by default, >> + * SCSI driver assume that cache is not enabled >> + * which in turn might lead loss of data > ^ to the to the ? Sorry, I don't understand what you want to change. like this ? "Even though write cache is enabled by default, SCSI driver assume that cache is not enabled and it in turn might lead the loss of data. "
> > WBR, Sergei >
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