diff options
Diffstat (limited to 'drivers/md/raid5.c')
-rw-r--r-- | drivers/md/raid5.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 77cb3ab..70ffbd0 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -3739,7 +3739,7 @@ static int bio_fits_rdev(struct bio *bi) if ((bi->bi_size>>9) > queue_max_sectors(q)) return 0; blk_recount_segments(q, bi); - if (bi->bi_phys_segments > queue_max_phys_segments(q)) + if (bi->bi_phys_segments > queue_max_segments(q)) return 0; if (q->merge_bvec_fn) @@ -5136,9 +5136,8 @@ static int stop(mddev_t *mddev) mddev->thread = NULL; mddev->queue->backing_dev_info.congested_fn = NULL; blk_sync_queue(mddev->queue); /* the unplug fn references 'conf'*/ - sysfs_remove_group(&mddev->kobj, &raid5_attrs_group); free_conf(conf); - mddev->private = NULL; + mddev->private = &raid5_attrs_group; return 0; } @@ -5464,11 +5463,11 @@ static int raid5_start_reshape(mddev_t *mddev) !test_bit(Faulty, &rdev->flags)) { if (raid5_add_disk(mddev, rdev) == 0) { char nm[20]; - if (rdev->raid_disk >= conf->previous_raid_disks) + if (rdev->raid_disk >= conf->previous_raid_disks) { set_bit(In_sync, &rdev->flags); - else + added_devices++; + } else rdev->recovery_offset = 0; - added_devices++; sprintf(nm, "rd%d", rdev->raid_disk); if (sysfs_create_link(&mddev->kobj, &rdev->kobj, nm)) @@ -5480,9 +5479,12 @@ static int raid5_start_reshape(mddev_t *mddev) break; } + /* When a reshape changes the number of devices, ->degraded + * is measured against the large of the pre and post number of + * devices.*/ if (mddev->delta_disks > 0) { spin_lock_irqsave(&conf->device_lock, flags); - mddev->degraded = (conf->raid_disks - conf->previous_raid_disks) + mddev->degraded += (conf->raid_disks - conf->previous_raid_disks) - added_devices; spin_unlock_irqrestore(&conf->device_lock, flags); } |