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 <[email protected]>
kdave · Oct 18, 2023 · 96548d9 · 96548d9
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diff --git a/README.md b/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

diff --git a/nullb b/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"