Release v0.2

- support ZNS (zoned namespaces)
- setup: allow to pass module parameters
- create: new parameter '-c' for zone capacity
- list: print zone capacity
- help: new command with help

Signed-off-by: David Sterba <dsterba@suse.com>

Author: kdave

README.md

@@ -15,7 +15,9 @@ The script follows common command line interface when there are multiple
 subcommands provided by one script. Currently there is:
 
 * **nullb setup** - load required modules and mount configfs
-* **nullb create [-s sizeMB] [-z zonesizeMB]** - create a new device with given sizes, allocating the first free indes, device is /dev/nullb$index
+* **nullb create [-s sizeMB] [-z zonesizeMB] [-c zonecapacityMB]** - create a
+  new device with given sizes, allocating the first free indes, device is
+  /dev/nullb$index
 * **nullb ls**
 * **nullb list** - show table of created null\_blk devices, size and zone sizes
 * **nullb rm NAME**
@@ -50,8 +52,8 @@ last line contains the name of the device node that's been created.
 INFO: device nodes:
 /dev/nullb0
 INFO: created devices:
-No  Name      Device                   Size    Zone size  On
- 0  nullb0    /dev/nullb0             2048M         256M   1
+No  Name      Device                   Size    Zone size  Zone capacity  On  Mount
+ 0  nullb0    /dev/nullb0             2048M         256M           200M   1  /mnt/test
 ```
 
 The null block device nodes and the actual name in sysfs can be different so

nullb

@@ -1,7 +1,7 @@
 #!/bin/bash
 # Simple management of null_blk devices, useful for zoned device testing
 # Run 'nullb help' for how to use it
-Version="0.1"
+Version="0.2"
 
 function print_help() {
 	echo "Simple management of null_blk devices, useful for zoned device testing"