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authorGoldwyn Rodrigues <rgoldwyn@suse.com>2014-06-07 10:44:51 +0400
committerGoldwyn Rodrigues <rgoldwyn@suse.com>2015-02-23 18:59:06 +0300
commit293467aa1f161cd50920ccf7fc1efa3946a4d50c (patch)
tree661c54b1c0e45b1f8bdd56c86a9564887c9ec069 /drivers/md/md-cluster.h
parent601b515c5dcc00fa71148cd9d2405ea1f70bc9cd (diff)
downloadlinux-293467aa1f161cd50920ccf7fc1efa3946a4d50c.tar.xz
metadata_update sends message to other nodes
- request to send a message - make changes to superblock - send messages telling everyone that the superblock has changed - other nodes all read the superblock - other nodes all ack the messages - updating node release the "I'm sending a message" resource. Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com>
Diffstat (limited to 'drivers/md/md-cluster.h')
-rw-r--r--drivers/md/md-cluster.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/md/md-cluster.h b/drivers/md/md-cluster.h
index 51a24df15b64..658982afcf9b 100644
--- a/drivers/md/md-cluster.h
+++ b/drivers/md/md-cluster.h
@@ -12,6 +12,9 @@ struct md_cluster_operations {
int (*leave)(struct mddev *mddev);
int (*slot_number)(struct mddev *mddev);
void (*resync_info_update)(struct mddev *mddev, sector_t lo, sector_t hi);
+ int (*metadata_update_start)(struct mddev *mddev);
+ int (*metadata_update_finish)(struct mddev *mddev);
+ int (*metadata_update_cancel)(struct mddev *mddev);
};
#endif /* _MD_CLUSTER_H */