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authorJames Morris <jmorris@namei.org>2009-06-09 09:27:53 +1000
committerJames Morris <jmorris@namei.org>2009-06-09 09:27:53 +1000
commit0b4ec6e4e01d98e55ae325a41304cccd87fa4c0f (patch)
tree1e075fdf4aaf0c5c003564b3f3414bb4a92ef2ed /drivers/md/raid5.c
parent04288f42033607099cebf5ca15ce8dcec3a9688b (diff)
parent3af968e066d593bc4dacc021715f3e95ddf0996f (diff)
Merge branch 'master' into next
Diffstat (limited to 'drivers/md/raid5.c')
-rw-r--r--drivers/md/raid5.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 4616bc3a6e7..5d400aef8d9 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -3811,13 +3811,13 @@ static sector_t reshape_request(mddev_t *mddev, sector_t sector_nr, int *skipped
safepos = conf->reshape_safe;
sector_div(safepos, data_disks);
if (mddev->delta_disks < 0) {
- writepos -= reshape_sectors;
+ writepos -= min_t(sector_t, reshape_sectors, writepos);
readpos += reshape_sectors;
safepos += reshape_sectors;
} else {
writepos += reshape_sectors;
- readpos -= reshape_sectors;
- safepos -= reshape_sectors;
+ readpos -= min_t(sector_t, reshape_sectors, readpos);
+ safepos -= min_t(sector_t, reshape_sectors, safepos);
}
/* 'writepos' is the most advanced device address we might write.