diff options
Diffstat (limited to 'drivers/md/multipath.c')
| -rw-r--r-- | drivers/md/multipath.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c index 87accf74e4b..a3f6d8668bb 100644 --- a/drivers/md/multipath.c +++ b/drivers/md/multipath.c @@ -406,6 +406,14 @@ static void multipathd (mddev_t *mddev) spin_unlock_irqrestore(&conf->device_lock, flags); } +static sector_t multipath_size(mddev_t *mddev, sector_t sectors, int raid_disks) +{ + WARN_ONCE(sectors || raid_disks, + "%s does not support generic reshape\n", __func__); + + return mddev->dev_sectors; +} + static int multipath_run (mddev_t *mddev) { multipath_conf_t *conf; @@ -502,7 +510,7 @@ static int multipath_run (mddev_t *mddev) /* * Ok, everything is just fine now */ - mddev->array_sectors = mddev->dev_sectors; + mddev->array_sectors = multipath_size(mddev, 0, 0); mddev->queue->unplug_fn = multipath_unplug; mddev->queue->backing_dev_info.congested_fn = multipath_congested; @@ -547,6 +555,7 @@ static struct mdk_personality multipath_personality = .error_handler = multipath_error, .hot_add_disk = multipath_add_disk, .hot_remove_disk= multipath_remove_disk, + .size = multipath_size, }; static int __init multipath_init (void) |