Messages in this thread | | | Date | Mon, 11 Jun 2012 08:30:01 +0900 | Subject | Re: [PATCH v3 2/4] usb: storage: add support for write cache quirk on usb hdd | From | Namjae Jeon <> |
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2012/6/11, Alan Stern <stern@rowland.harvard.edu>: > On Sat, 9 Jun 2012, Namjae Jeon wrote: > >> Add support for write cache quirk on usb hdd. scsi driver will be set to >> wce >> by detecting write cache quirk in quirk list when plugging usb hdd. > >> --- a/include/linux/usb_usual.h >> +++ b/include/linux/usb_usual.h >> @@ -64,7 +64,9 @@ >> US_FLAG(NO_READ_CAPACITY_16, 0x00080000) \ >> /* cannot handle READ_CAPACITY_16 */ \ >> US_FLAG(INITIAL_READ10, 0x00100000) \ >> - /* Initial READ(10) (and others) must be retried */ >> + /* Initial READ(10) (and others) must be retried */ \ >> + US_FLAG(WRITE_CACHE, 0x00200000) \ >> + /* Write Cache status is not available */ > > The documentation for the new flag should be added in the same patch > along with the flag itself. There's no reason to have separate > patches. Hi. Alan. Okay, I see. I will merge documentation patch with this patch. Thank you.
> > Alan Stern > >
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