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scsi: docs: convert sd-parameters.txt to ReST

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Link: https://lore.kernel.org/r/8d0b75b0faf13a2e81373570d6ce601b629fb22a.1583136624.git.mchehab+huawei@kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Mauro Carvalho Chehab 2020-03-02 09:16:07 +01:00 committed by Martin K. Petersen
parent b7223d9bde
commit d835971b2b
3 changed files with 28 additions and 22 deletions
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1
Documentation/scsi/index.rst
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@ -38,5 +38,6 @@ Linux SCSI Subsystem
scsi_mid_low_api
scsi-parameters
scsi
sd-parameters
scsi_transport_srp/figures

27
Documentation/scsi/sd-parameters.rst Normal file
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@ -0,0 +1,27 @@
.. SPDX-License-Identifier: GPL-2.0
======================================
Linux SCSI Disk Driver (sd) Parameters
======================================
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
=========================== === === =========== ==========
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.::
# echo "temporary write back" > cache_type

22
Documentation/scsi/sd-parameters.txt
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@ -1,22 +0,0 @@
Linux SCSI Disk Driver (sd) Parameters
======================================
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
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.:
# echo "temporary write back" > cache_type