Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx> --- Documentation/scsi/index.rst | 1 + .../{sd-parameters.txt => sd-parameters.rst} | 21 ++++++++++++------- 2 files changed, 14 insertions(+), 8 deletions(-) rename Documentation/scsi/{sd-parameters.txt => sd-parameters.rst} (37%) diff --git a/Documentation/scsi/index.rst b/Documentation/scsi/index.rst index 97276e425f25..6805e157b6e8 100644 --- a/Documentation/scsi/index.rst +++ b/Documentation/scsi/index.rst @@ -38,5 +38,6 @@ Linux SCSI Subsystem scsi_mid_low_api scsi-parameters scsi + sd-parameters scsi_transport_srp/figures diff --git a/Documentation/scsi/sd-parameters.txt b/Documentation/scsi/sd-parameters.rst similarity index 37% rename from Documentation/scsi/sd-parameters.txt rename to Documentation/scsi/sd-parameters.rst index 8e5af00d88e7..87d554008bfb 100644 --- a/Documentation/scsi/sd-parameters.txt +++ b/Documentation/scsi/sd-parameters.rst @@ -1,3 +1,6 @@ +.. SPDX-License-Identifier: GPL-2.0 + +====================================== Linux SCSI Disk Driver (sd) Parameters ====================================== @@ -5,18 +8,20 @@ cache_type (RW) --------------- Enable/disable drive write & read cache. - cache_type string | WCE RCD | Write cache | Read cache -----------------------------+---------+-------------+------------ - write through | 0 0 | off | on - none | 0 1 | off | off - write back | 1 0 | on | on - write back, no read (daft) | 1 1 | on | off +=========================== === === =========== ========== + cache_type string WCE RCD Write cache Read cache +=========================== === === =========== ========== + write through 0 0 off on + none 0 1 off off + write back 1 0 on on + write back, no read (daft) 1 1 on off +=========================== === === =========== ========== -To set cache type to "write back" and save this setting to the drive: +To set cache type to "write back" and save this setting to the drive:: # echo "write back" > cache_type To modify the caching mode without making the change persistent, prepend -"temporary " to the cache type string. E.g.: +"temporary " to the cache type string. E.g.:: # echo "temporary write back" > cache_type -- 2.21.1