From 8010622c86ca5bb44bc98492f5968726fc7c7a21 Mon Sep 17 00:00:00 2001 From: Oliver Neukum Date: Wed, 9 Dec 2020 16:26:39 +0100 Subject: USB: UAS: introduce a quirk to set no_write_same UAS does not share the pessimistic assumption storage is making that devices cannot deal with WRITE_SAME. A few devices supported by UAS, are reported to not deal well with WRITE_SAME. Those need a quirk. Add it to the device that needs it. Reported-by: David C. Partridge Signed-off-by: Oliver Neukum Cc: stable Link: https://lore.kernel.org/r/20201209152639.9195-1-oneukum@suse.com Signed-off-by: Greg Kroah-Hartman --- Documentation/admin-guide/kernel-parameters.txt | 1 + 1 file changed, 1 insertion(+) (limited to 'Documentation/admin-guide') diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 44fde25bb221..f6a1513dfb76 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -5663,6 +5663,7 @@ device); j = NO_REPORT_LUNS (don't use report luns command, uas only); + k = NO_SAME (do not use WRITE_SAME, uas only) l = NOT_LOCKABLE (don't try to lock and unlock ejectable media, not on uas); m = MAX_SECTORS_64 (don't transfer more -- cgit v1.2.3