md-cluster: transfer the resync ownership to another node

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When node A stops an array while the array is doing a resync, we need
to let another node B take over the resync task.

To achieve the goal, we need the A send an explicit BITMAP_NEEDS_SYNC
message to the cluster. And the node B which received that message will
invoke __recover_slot to do resync.

Reviewed-by: Goldwyn Rodrigues <rgoldwyn@suse.com>
Signed-off-by: Guoqing Jiang <gqjiang@suse.com>
Signed-off-by: NeilBrown <neilb@suse.com>

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Guoqing Jiang 2015-07-10 16:54:04 +08:00 • committed by NeilBrown

parent 05cd0e5176

commit dc737d7c3d

2 changed files with 18 additions and 3 deletions

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15

drivers/md/md-cluster.c

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6

drivers/md/md.c

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