mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-29 15:43:59 +08:00
2d39f681bc
Documentation has been compiled from git logs and by reading through code. Signed-off-by: Aishwarya Pant <aishpant@gmail.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
51 lines
1.4 KiB
Plaintext
51 lines
1.4 KiB
Plaintext
What: /sys/block/loopX/loop/autoclear
|
|
Date: Aug, 2010
|
|
KernelVersion: v2.6.37
|
|
Contact: linux-block@vger.kernel.org
|
|
Description:
|
|
(RO) Shows if the device is in autoclear mode or not ( "1" or
|
|
"0"). Autoclear (if set) indicates that the loopback device will
|
|
self-distruct after last close.
|
|
|
|
What: /sys/block/loopX/loop/backing_file
|
|
Date: Aug, 2010
|
|
KernelVersion: v2.6.37
|
|
Contact: linux-block@vger.kernel.org
|
|
Description:
|
|
(RO) The path of the backing file that the loop device maps its
|
|
data blocks to.
|
|
|
|
What: /sys/block/loopX/loop/offset
|
|
Date: Aug, 2010
|
|
KernelVersion: v2.6.37
|
|
Contact: linux-block@vger.kernel.org
|
|
Description:
|
|
(RO) Start offset (in bytes).
|
|
|
|
What: /sys/block/loopX/loop/sizelimit
|
|
Date: Aug, 2010
|
|
KernelVersion: v2.6.37
|
|
Contact: linux-block@vger.kernel.org
|
|
Description:
|
|
(RO) The size (in bytes) that the block device maps, starting
|
|
from the offset.
|
|
|
|
What: /sys/block/loopX/loop/partscan
|
|
Date: Aug, 2011
|
|
KernelVersion: v3.10
|
|
Contact: linux-block@vger.kernel.org
|
|
Description:
|
|
(RO) Shows if automatic partition scanning is enabled for the
|
|
device or not ("1" or "0"). This can be requested individually
|
|
per loop device during its setup by setting LO_FLAGS_PARTSCAN in
|
|
in the ioctl request. By default, no partition tables are
|
|
scanned.
|
|
|
|
What: /sys/block/loopX/loop/dio
|
|
Date: Aug, 2015
|
|
KernelVersion: v4.10
|
|
Contact: linux-block@vger.kernel.org
|
|
Description:
|
|
(RO) Shows if direct IO is being used to access backing file or
|
|
not ("1 or "0").
|