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authorNamjae Jeon <namjae.jeon@samsung.com>2012-07-08 07:05:28 +0400
committerJames Bottomley <JBottomley@Parallels.com>2012-07-20 11:59:00 +0400
commiteaa05dfcdb12cf3a7bedf8918dc8699c00944384 (patch)
treef05101a4a1353bbb578fa2a83634ab7404335873 /Documentation/kernel-parameters.txt
parentb81478d82e389dd0961760f5ff6f56b50d29db6d (diff)
downloadlinux-eaa05dfcdb12cf3a7bedf8918dc8699c00944384.tar.xz
[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>
Diffstat (limited to 'Documentation/kernel-parameters.txt')
-rw-r--r--Documentation/kernel-parameters.txt2
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index a92c5ebf373e..c68634edd451 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -2932,6 +2932,8 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
initial READ(10) command);
o = CAPACITY_OK (accept the capacity
reported by the device);
+ p = WRITE_CACHE (the device cache is ON
+ by default);
r = IGNORE_RESIDUE (the device reports
bogus residue values);
s = SINGLE_LUN (the device has only one