udev: start grow service automatically

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>

diff --git a/udev-md-raid-arrays.rules b/udev-md-raid-arrays.rules
index c8fa8e89ef69ea183081c5562e70a5801d4e3735..13c9076e6408dea13a6f30c41b67ac652c815599 100644 (file)
--- 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"