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authorJonathan Brassow <jbrassow@redhat.com>2013-04-24 03:42:43 +0200
committerNeilBrown <neilb@suse.de>2013-04-24 03:42:43 +0200
commitbe83651f0050ca8621d58d35dad558e9c45cb18f (patch)
treede79ac9ee9ccc36816a346987024865e72760528 /tools/nfsd
parentMD: Export 'md_reap_sync_thread' function (diff)
downloadlinux-be83651f0050ca8621d58d35dad558e9c45cb18f.tar.xz
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DM RAID: Add message/status support for changing sync action
DM RAID: Add message/status support for changing sync action This patch adds a message interface to dm-raid to allow the user to more finely control the sync actions being performed by the MD driver. This gives the user the ability to initiate "check" and "repair" (i.e. scrubbing). Two additional fields have been appended to the status output to provide more information about the type of sync action occurring and the results of those actions, specifically: <sync_action> and <mismatch_cnt>. These new fields will always be populated. This is essentially the device-mapper way of doing what MD controls through the 'sync_action' sysfs file and shows through the 'mismatch_cnt' sysfs file. Signed-off-by: Jonathan Brassow <jbrassow@redhat.com> Signed-off-by: NeilBrown <neilb@suse.de>
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