[PATCH] udev: start grow service automatically

[PATCH] udev: start grow service automatically

[Mariusz Tkaczyk]

From: Tkaczyk Mariusz <mariusz.tkaczyk@intel.com>

Grow continue via service or fork is started during raid assembly.
If raid was assembled in initrd it will be newer restarted after
switch root.
Add udev support for starting mdadm-grow-continue service.

Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@intel.com>
---
 udev-md-raid-arrays.rules | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/udev-md-raid-arrays.rules b/udev-md-raid-arrays.rules
index c8fa8e89..13c9076e 100644
--- a/udev-md-raid-arrays.rules
+++ b/udev-md-raid-arrays.rules
@@ -15,6 +15,7 @@ ENV{DEVTYPE}=="partition", GOTO="md_ignore_state"
 ATTR{md/metadata_version}=="external:[A-Za-z]*", ATTR{md/array_state}=="inactive", GOTO="md_ignore_state"
 TEST!="md/array_state", ENV{SYSTEMD_READY}="0", GOTO="md_end"
 ATTR{md/array_state}=="clear*|inactive", ENV{SYSTEMD_READY}="0", GOTO="md_end"
+ATTR{md/sync_action}=="reshape", ENV{RESHAPE_ACTIVE}="yes"
 LABEL="md_ignore_state"
 
 IMPORT{program}="BINDIR/mdadm --detail --no-devices --export $devnode"
@@ -38,5 +39,6 @@ ENV{MD_LEVEL}=="raid[1-9]*", ENV{SYSTEMD_WANTS}+="mdmonitor.service"
 # Tell systemd to run mdmon for our container, if we need it.
 ENV{MD_LEVEL}=="raid[1-9]*", ENV{MD_CONTAINER}=="?*", PROGRAM="/usr/bin/readlink $env{MD_CONTAINER}", ENV{MD_MON_THIS}="%c"
 ENV{MD_MON_THIS}=="?*", PROGRAM="/usr/bin/basename $env{MD_MON_THIS}", ENV{SYSTEMD_WANTS}+="mdmon@%c.service"
+ENV{RESHAPE_ACTIVE}=="yes", PROGRAM="/usr/bin/basename $env{MD_MON_THIS}", ENV{SYSTEMD_WANTS}+="mdadm-grow-continue@%c.service"
 
 LABEL="md_end"
-- 
2.25.0

Re: [PATCH] udev: start grow service automatically

[Jes Sorensen]

On 10/15/20 4:45 AM, Mariusz Tkaczyk wrote:
> From: Tkaczyk Mariusz <mariusz.tkaczyk@intel.com>
> 
> Grow continue via service or fork is started during raid assembly.
> If raid was assembled in initrd it will be newer restarted after
> switch root.
> Add udev support for starting mdadm-grow-continue service.
> 
> Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@intel.com>
> ---

Applied!

Thanks,
Jes