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| author | Oliver Neukum <oneukum@suse.com> | 2020-12-09 16:26:39 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-12-09 20:00:26 +0100 |
| commit | 8010622c86ca5bb44bc98492f5968726fc7c7a21 (patch) | |
| tree | b623c73856ab6609f3e6c81fa33702cad33a16f1 /Documentation/admin-guide | |
| parent | e5548b05631ec3e6bfdaef1cad28c799545b791b (diff) | |
| download | linux-8010622c86ca5bb44bc98492f5968726fc7c7a21.tar.bz2 | |
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 <david.partridge@perdrix.co.uk>
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20201209152639.9195-1-oneukum@suse.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/admin-guide')
| -rw-r--r-- | Documentation/admin-guide/kernel-parameters.txt | 1 |
1 files changed, 1 insertions, 0 deletions
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 |