tree 7fc4c8ab5ea14df5e544e740ec3154b707766a08
parent be512691036cc989c11d0f418187efbbf14468e6
author NeilBrown <neilb@suse.de> 1243294877 +1000
committer NeilBrown <neilb@suse.de> 1243294877 +1000

md: export 'frozen' resync state through sysfs

The md resync engine has a 'frozen' state which ensures that
no resync/recovery.  This is used to avoid races.

Export this state through the 'sync_action' sysfs attribute
so that user-space can benefit and also avoid some races.

Signed-off-by: NeilBrown <neilb@suse.de>