[SCSI] usb-storage: add support for write cache quirk
authorNamjae Jeon <namjae.jeon@samsung.com>
Sun, 8 Jul 2012 03:05:28 +0000 (23:05 -0400)
committerJames Bottomley <JBottomley@Parallels.com>
Fri, 20 Jul 2012 07:59:00 +0000 (08:59 +0100)
commiteaa05dfcdb12cf3a7bedf8918dc8699c00944384
treef05101a4a1353bbb578fa2a83634ab7404335873
parentb81478d82e389dd0961760f5ff6f56b50d29db6d
[SCSI] usb-storage: add support for write cache quirk

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.

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>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Documentation/kernel-parameters.txt
drivers/usb/storage/scsiglue.c
drivers/usb/storage/usb.c
include/linux/usb_usual.h