Commit e3306221 authored by Sagi Grimberg's avatar Sagi Grimberg Committed by Jens Axboe

docs: sysfs-block: document hidden sysfs entry

/sys/block/<disk>/hidden is undocumented. Document it.
Signed-off-by: default avatarSagi Grimberg <sagi@grimberg.me>
Reviewed-by: default avatarChaitanya Kulkarni <kch@nvidia.com>
Link: https://lore.kernel.org/r/20230303084323.228098-1-sagi@grimberg.meSigned-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 428913bc
...@@ -705,6 +705,15 @@ Description: ...@@ -705,6 +705,15 @@ Description:
zoned will report "none". zoned will report "none".
What: /sys/block/<disk>/hidden
Date: March 2023
Contact: linux-block@vger.kernel.org
Description:
[RO] the block device is hidden. it doesn’t produce events, and
can’t be opened from userspace or using blkdev_get*.
Used for the underlying components of multipath devices.
What: /sys/block/<disk>/stat What: /sys/block/<disk>/stat
Date: February 2008 Date: February 2008
Contact: Jerome Marchand <jmarchan@redhat.com> Contact: Jerome Marchand <jmarchan@redhat.com>
......
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