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authorNeilBrown <neilb@suse.de>2009-11-06 14:59:29 +1100
committerNeilBrown <neilb@suse.de>2009-11-06 14:59:29 +1100
commit8dee7211467a56b7eb4e4359efb0aa4a72e1b6f3 (patch)
tree4ddcb170bd131adcc022477ef96716fba5c1ab07 /drivers
parent24395a85d8efe6eee477ea35c73d045a8dd7a3a1 (diff)
md/raid5: make sure curr_sync_completes is uptodate when reshape starts
This value is visible through sysfs and is used by mdadm when it manages a reshape (backing up data that is about to be rearranged). So it is important that it is always correct. Current it does not get updated properly when a reshape starts which can cause problems when assembling an array that is in the middle of being reshaped. This is suitable for 2.6.31.y stable kernels. Cc: stable@kernel.org Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/md/raid5.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 81abefc172d9..dcce204b6c73 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -4049,6 +4049,8 @@ static sector_t reshape_request(mddev_t *mddev, sector_t sector_nr, int *skipped
sector_nr = conf->reshape_progress;
sector_div(sector_nr, new_data_disks);
if (sector_nr) {
+ mddev->curr_resync_completed = sector_nr;
+ sysfs_notify(&mddev->kobj, NULL, "sync_completed");
*skipped = 1;
return sector_nr;
}