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Suspend writes in RAID1 if within range

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If there is a resync going on, all nodes must suspend writes to the
range. This is recorded in the suspend_info/suspend_list.

If there is an I/O within the ranges of any of the suspend_info,
should_suspend will return 1.

Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com>
This commit is contained in:
Goldwyn Rodrigues
2014-06-07 02:39:37 -05:00
parent e59721ccdc
commit 589a1c4916
4 changed files with 30 additions and 3 deletions
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drivers/md/md-cluster.h
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@@ -17,6 +17,7 @@ struct md_cluster_operations {
int (*metadata_update_start)(struct mddev *mddev);
int (*metadata_update_finish)(struct mddev *mddev);
int (*metadata_update_cancel)(struct mddev *mddev);
int (*area_resyncing)(struct mddev *mddev, sector_t lo, sector_t hi);
};
#endif /* _MD_CLUSTER_H */