ubifs: Document sysfs nodes

Add documentation for the new sysfs nodes

 /sys/fs/ubifs/ubiX_Y/errors_magic
 /sys/fs/ubifs/ubiX_Y/errors_node
 /sys/fs/ubifs/ubiX_Y/errors_crc

Signed-off-by: Stefan Schaeckeler <sschaeck@cisco.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
Stefan Schaeckeler 2021-10-28 00:44:04 -07:00 committed by Richard Weinberger
parent 2e3cbf4258
commit 58225631cf
2 changed files with 36 additions and 0 deletions

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@ -0,0 +1,35 @@
What: /sys/fs/ubifsX_Y/error_magic
Date: October 2021
KernelVersion: 5.16
Contact: linux-mtd@lists.infradead.org
Description:
Exposes magic errors: every node starts with a magic number.
This counter keeps track of the number of accesses of nodes
with a corrupted magic number.
The counter is reset to 0 with a remount.
What: /sys/fs/ubifsX_Y/error_node
Date: October 2021
KernelVersion: 5.16
Contact: linux-mtd@lists.infradead.org
Description:
Exposes node errors. Every node embeds its type.
This counter keeps track of the number of accesses of nodes
with a corrupted node type.
The counter is reset to 0 with a remount.
What: /sys/fs/ubifsX_Y/error_crc
Date: October 2021
KernelVersion: 5.16
Contact: linux-mtd@lists.infradead.org
Description:
Exposes crc errors: every node embeds a crc checksum.
This counter keeps track of the number of accesses of nodes
with a bad crc checksum.
The counter is reset to 0 with a remount.

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@ -19444,6 +19444,7 @@ S: Supported
W: http://www.linux-mtd.infradead.org/doc/ubifs.html
T: git git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs.git next
T: git git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs.git fixes
F: Documentation/ABI/testing/sysfs-fs-ubifs
F: Documentation/filesystems/ubifs-authentication.rst
F: Documentation/filesystems/ubifs.rst
F: fs/ubifs/