diff options
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-rnbd-client | 8 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-rnbd-server | 8 |
2 files changed, 12 insertions, 4 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-rnbd-client b/Documentation/ABI/testing/sysfs-class-rnbd-client index 00c0286733d4..2aa05b3e348e 100644 --- a/Documentation/ABI/testing/sysfs-class-rnbd-client +++ b/Documentation/ABI/testing/sysfs-class-rnbd-client @@ -66,7 +66,7 @@ Description: Expected format is the following:: The rnbd_server prepends the <device_path> received from client with <dev_search_path> and tries to open the <dev_search_path>/<device_path> block device. On success, - a /dev/rnbd<N> device file, a /sys/block/rnbd_client/rnbd<N>/ + a /dev/rnbd<N> device file, a /sys/block/rnbd<N>/ directory and an entry in /sys/class/rnbd-client/ctl/devices will be created. @@ -95,12 +95,12 @@ Description: Expected format is the following:: --------------------------------- After mapping, the device file can be found by: - o The symlink /sys/class/rnbd-client/ctl/devices/<device_id> + o The symlink /sys/class/rnbd-client/ctl/devices/<device_id>@<session_name> points to /sys/block/<dev-name>. The last part of the symlink destination is the same as the device name. By extracting the last part of the path the path to the device /dev/<dev-name> can be build. - * /dev/block/$(cat /sys/class/rnbd-client/ctl/devices/<device_id>/dev) + * /dev/block/$(cat /sys/class/rnbd-client/ctl/devices/<device_id>@<session_name>/dev) How to find the <device_id> of the device is described on the next section. @@ -110,7 +110,7 @@ Date: Feb 2020 KernelVersion: 5.7 Contact: Jack Wang <jinpu.wang@cloud.ionos.com> Danil Kipnis <danil.kipnis@cloud.ionos.com> Description: For each device mapped on the client a new symbolic link is created as - /sys/class/rnbd-client/ctl/devices/<device_id>, which points + /sys/class/rnbd-client/ctl/devices/<device_id>@<session_name>, which points to the block device created by rnbd (/sys/block/rnbd<N>/). The <device_id> of each device is created as follows: diff --git a/Documentation/ABI/testing/sysfs-class-rnbd-server b/Documentation/ABI/testing/sysfs-class-rnbd-server index ba60a90c0e45..6c5996cd7cfb 100644 --- a/Documentation/ABI/testing/sysfs-class-rnbd-server +++ b/Documentation/ABI/testing/sysfs-class-rnbd-server @@ -48,3 +48,11 @@ Date: Feb 2020 KernelVersion: 5.7 Contact: Jack Wang <jinpu.wang@cloud.ionos.com> Danil Kipnis <danil.kipnis@cloud.ionos.com> Description: Contains the device access mode: ro, rw or migration. + +What: /sys/class/rnbd-server/ctl/devices/<device_name>/sessions/<session-name>/force_close +Date: Nov 2020 +KernelVersion: 5.10 +Contact: Jack Wang <jinpu.wang@cloud.ionos.com> Danil Kipnis <danil.kipnis@cloud.ionos.com> +Description: Write "1" to the file to close the device on server side. Please + note that the client side device will not be closed, read or + write to the device will get -ENOTCONN. |