diff options
Diffstat (limited to 'drivers/md/raid5.c')
-rw-r--r-- | drivers/md/raid5.c | 149 |
1 files changed, 69 insertions, 80 deletions
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 81563b7c035..cee9f93b35c 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -1509,7 +1509,7 @@ static void raid5_end_read_request(struct bio * bi, int error) set_bit(R5_UPTODATE, &sh->dev[i].flags); if (test_bit(R5_ReadError, &sh->dev[i].flags)) { rdev = conf->disks[i].rdev; - printk_rl(KERN_INFO "raid5:%s: read error corrected" + printk_rl(KERN_INFO "md/raid:%s: read error corrected" " (%lu sectors at %llu on %s)\n", mdname(conf->mddev), STRIPE_SECTORS, (unsigned long long)(sh->sector @@ -1529,7 +1529,7 @@ static void raid5_end_read_request(struct bio * bi, int error) atomic_inc(&rdev->read_errors); if (conf->mddev->degraded) printk_rl(KERN_WARNING - "raid5:%s: read error not correctable " + "md/raid:%s: read error not correctable " "(sector %llu on %s).\n", mdname(conf->mddev), (unsigned long long)(sh->sector @@ -1538,7 +1538,7 @@ static void raid5_end_read_request(struct bio * bi, int error) else if (test_bit(R5_ReWrite, &sh->dev[i].flags)) /* Oh, no!!! */ printk_rl(KERN_WARNING - "raid5:%s: read error NOT corrected!! " + "md/raid:%s: read error NOT corrected!! " "(sector %llu on %s).\n", mdname(conf->mddev), (unsigned long long)(sh->sector @@ -1547,7 +1547,7 @@ static void raid5_end_read_request(struct bio * bi, int error) else if (atomic_read(&rdev->read_errors) > conf->max_nr_stripes) printk(KERN_WARNING - "raid5:%s: Too many read errors, failing device %s.\n", + "md/raid:%s: Too many read errors, failing device %s.\n", mdname(conf->mddev), bdn); else retry = 1; @@ -1620,7 +1620,7 @@ static void error(mddev_t *mddev, mdk_rdev_t *rdev) { char b[BDEVNAME_SIZE]; raid5_conf_t *conf = mddev->private; - pr_debug("raid5: error called\n"); + pr_debug("raid456: error called\n"); if (!test_bit(Faulty, &rdev->flags)) { set_bit(MD_CHANGE_DEVS, &mddev->flags); @@ -1636,9 +1636,13 @@ static void error(mddev_t *mddev, mdk_rdev_t *rdev) } set_bit(Faulty, &rdev->flags); printk(KERN_ALERT - "raid5: Disk failure on %s, disabling device.\n" - "raid5: Operation continuing on %d devices.\n", - bdevname(rdev->bdev,b), conf->raid_disks - mddev->degraded); + "md/raid:%s: Disk failure on %s, disabling device.\n" + KERN_ALERT + "md/raid:%s: Operation continuing on %d devices.\n", + mdname(mddev), + bdevname(rdev->bdev, b), + mdname(mddev), + conf->raid_disks - mddev->degraded); } } @@ -1719,8 +1723,6 @@ static sector_t raid5_compute_sector(raid5_conf_t *conf, sector_t r_sector, pd_idx = data_disks; break; default: - printk(KERN_ERR "raid5: unsupported algorithm %d\n", - algorithm); BUG(); } break; @@ -1836,10 +1838,7 @@ static sector_t raid5_compute_sector(raid5_conf_t *conf, sector_t r_sector, qd_idx = raid_disks - 1; break; - default: - printk(KERN_CRIT "raid6: unsupported algorithm %d\n", - algorithm); BUG(); } break; @@ -1902,8 +1901,6 @@ static sector_t compute_blocknr(struct stripe_head *sh, int i, int previous) case ALGORITHM_PARITY_N: break; default: - printk(KERN_ERR "raid5: unsupported algorithm %d\n", - algorithm); BUG(); } break; @@ -1962,8 +1959,6 @@ static sector_t compute_blocknr(struct stripe_head *sh, int i, int previous) i -= 1; break; default: - printk(KERN_CRIT "raid6: unsupported algorithm %d\n", - algorithm); BUG(); } break; @@ -1976,7 +1971,8 @@ static sector_t compute_blocknr(struct stripe_head *sh, int i, int previous) previous, &dummy1, &sh2); if (check != sh->sector || dummy1 != dd_idx || sh2.pd_idx != sh->pd_idx || sh2.qd_idx != sh->qd_idx) { - printk(KERN_ERR "compute_blocknr: map not correct\n"); + printk(KERN_ERR "md/raid:%s: compute_blocknr: map not correct\n", + mdname(conf->mddev)); return 0; } return r_sector; @@ -3942,7 +3938,7 @@ static int make_request(mddev_t *mddev, struct bio * bi) new_sector = raid5_compute_sector(conf, logical_sector, previous, &dd_idx, NULL); - pr_debug("raid5: make_request, sector %llu logical %llu\n", + pr_debug("raid456: make_request, sector %llu logical %llu\n", (unsigned long long)new_sector, (unsigned long long)logical_sector); @@ -4721,7 +4717,7 @@ static raid5_conf_t *setup_conf(mddev_t *mddev) if (mddev->new_level != 5 && mddev->new_level != 4 && mddev->new_level != 6) { - printk(KERN_ERR "raid5: %s: raid level not set to 4/5/6 (%d)\n", + printk(KERN_ERR "md/raid:%s: raid level not set to 4/5/6 (%d)\n", mdname(mddev), mddev->new_level); return ERR_PTR(-EIO); } @@ -4729,12 +4725,12 @@ static raid5_conf_t *setup_conf(mddev_t *mddev) && !algorithm_valid_raid5(mddev->new_layout)) || (mddev->new_level == 6 && !algorithm_valid_raid6(mddev->new_layout))) { - printk(KERN_ERR "raid5: %s: layout %d not supported\n", + printk(KERN_ERR "md/raid:%s: layout %d not supported\n", mdname(mddev), mddev->new_layout); return ERR_PTR(-EIO); } if (mddev->new_level == 6 && mddev->raid_disks < 4) { - printk(KERN_ERR "raid6: not enough configured devices for %s (%d, minimum 4)\n", + printk(KERN_ERR "md/raid:%s: not enough configured devices (%d, minimum 4)\n", mdname(mddev), mddev->raid_disks); return ERR_PTR(-EINVAL); } @@ -4742,8 +4738,8 @@ static raid5_conf_t *setup_conf(mddev_t *mddev) if (!mddev->new_chunk_sectors || (mddev->new_chunk_sectors << 9) % PAGE_SIZE || !is_power_of_2(mddev->new_chunk_sectors)) { - printk(KERN_ERR "raid5: invalid chunk size %d for %s\n", - mddev->new_chunk_sectors << 9, mdname(mddev)); + printk(KERN_ERR "md/raid:%s: invalid chunk size %d\n", + mdname(mddev), mddev->new_chunk_sectors << 9); return ERR_PTR(-EINVAL); } @@ -4785,7 +4781,7 @@ static raid5_conf_t *setup_conf(mddev_t *mddev) if (raid5_alloc_percpu(conf) != 0) goto abort; - pr_debug("raid5: run(%s) called.\n", mdname(mddev)); + pr_debug("raid456: run(%s) called.\n", mdname(mddev)); list_for_each_entry(rdev, &mddev->disks, same_set) { raid_disk = rdev->raid_disk; @@ -4798,9 +4794,9 @@ static raid5_conf_t *setup_conf(mddev_t *mddev) if (test_bit(In_sync, &rdev->flags)) { char b[BDEVNAME_SIZE]; - printk(KERN_INFO "raid5: device %s operational as raid" - " disk %d\n", bdevname(rdev->bdev,b), - raid_disk); + printk(KERN_INFO "md/raid:%s: device %s operational as raid" + " disk %d\n", + mdname(mddev), bdevname(rdev->bdev, b), raid_disk); } else /* Cannot rely on bitmap to complete recovery */ conf->fullsync = 1; @@ -4824,16 +4820,17 @@ static raid5_conf_t *setup_conf(mddev_t *mddev) max_disks * ((sizeof(struct bio) + PAGE_SIZE))) / 1024; if (grow_stripes(conf, conf->max_nr_stripes)) { printk(KERN_ERR - "raid5: couldn't allocate %dkB for buffers\n", memory); + "md/raid:%s: couldn't allocate %dkB for buffers\n", + mdname(mddev), memory); goto abort; } else - printk(KERN_INFO "raid5: allocated %dkB for %s\n", - memory, mdname(mddev)); + printk(KERN_INFO "md/raid:%s: allocated %dkB\n", + mdname(mddev), memory); conf->thread = md_register_thread(raid5d, mddev, NULL); if (!conf->thread) { printk(KERN_ERR - "raid5: couldn't allocate thread for %s\n", + "md/raid:%s: couldn't allocate thread.\n", mdname(mddev)); goto abort; } @@ -4884,7 +4881,7 @@ static int run(mddev_t *mddev) sector_t reshape_offset = 0; if (mddev->recovery_cp != MaxSector) - printk(KERN_NOTICE "raid5: %s is not clean" + printk(KERN_NOTICE "md/raid:%s: not clean" " -- starting background reconstruction\n", mdname(mddev)); if (mddev->reshape_position != MaxSector) { @@ -4898,7 +4895,7 @@ static int run(mddev_t *mddev) int max_degraded = (mddev->level == 6 ? 2 : 1); if (mddev->new_level != mddev->level) { - printk(KERN_ERR "raid5: %s: unsupported reshape " + printk(KERN_ERR "md/raid:%s: unsupported reshape " "required - aborting.\n", mdname(mddev)); return -EINVAL; @@ -4911,8 +4908,8 @@ static int run(mddev_t *mddev) here_new = mddev->reshape_position; if (sector_div(here_new, mddev->new_chunk_sectors * (mddev->raid_disks - max_degraded))) { - printk(KERN_ERR "raid5: reshape_position not " - "on a stripe boundary\n"); + printk(KERN_ERR "md/raid:%s: reshape_position not " + "on a stripe boundary\n", mdname(mddev)); return -EINVAL; } reshape_offset = here_new * mddev->new_chunk_sectors; @@ -4933,8 +4930,9 @@ static int run(mddev_t *mddev) if ((here_new * mddev->new_chunk_sectors != here_old * mddev->chunk_sectors) || mddev->ro == 0) { - printk(KERN_ERR "raid5: in-place reshape must be started" - " in read-only mode - aborting\n"); + printk(KERN_ERR "md/raid:%s: in-place reshape must be started" + " in read-only mode - aborting\n", + mdname(mddev)); return -EINVAL; } } else if (mddev->delta_disks < 0 @@ -4943,11 +4941,13 @@ static int run(mddev_t *mddev) : (here_new * mddev->new_chunk_sectors >= here_old * mddev->chunk_sectors)) { /* Reading from the same stripe as writing to - bad */ - printk(KERN_ERR "raid5: reshape_position too early for " - "auto-recovery - aborting.\n"); + printk(KERN_ERR "md/raid:%s: reshape_position too early for " + "auto-recovery - aborting.\n", + mdname(mddev)); return -EINVAL; } - printk(KERN_INFO "raid5: reshape will continue\n"); + printk(KERN_INFO "md/raid:%s: reshape will continue\n", + mdname(mddev)); /* OK, we should be able to continue; */ } else { BUG_ON(mddev->level != mddev->new_level); @@ -4989,18 +4989,6 @@ static int run(mddev_t *mddev) mddev->minor_version > 90) rdev->recovery_offset = reshape_offset; - printk("%d: w=%d pa=%d pr=%d m=%d a=%d r=%d op1=%d op2=%d\n", - rdev->raid_disk, working_disks, conf->prev_algo, - conf->previous_raid_disks, conf->max_degraded, - conf->algorithm, conf->raid_disks, - only_parity(rdev->raid_disk, - conf->prev_algo, - conf->previous_raid_disks, - conf->max_degraded), - only_parity(rdev->raid_disk, - conf->algorithm, - conf->raid_disks, - conf->max_degraded)); if (rdev->recovery_offset < reshape_offset) { /* We need to check old and new layout */ if (!only_parity(rdev->raid_disk, @@ -5021,7 +5009,7 @@ static int run(mddev_t *mddev) - working_disks); if (mddev->degraded > conf->max_degraded) { - printk(KERN_ERR "raid5: not enough operational devices for %s" + printk(KERN_ERR "md/raid:%s: not enough operational devices" " (%d/%d failed)\n", mdname(mddev), mddev->degraded, conf->raid_disks); goto abort; @@ -5035,32 +5023,32 @@ static int run(mddev_t *mddev) mddev->recovery_cp != MaxSector) { if (mddev->ok_start_degraded) printk(KERN_WARNING - "raid5: starting dirty degraded array: %s" - "- data corruption possible.\n", + "md/raid:%s: starting dirty degraded array" + " - data corruption possible.\n", mdname(mddev)); else { printk(KERN_ERR - "raid5: cannot start dirty degraded array for %s\n", + "md/raid:%s: cannot start dirty degraded array.\n", mdname(mddev)); goto abort; } } if (mddev->degraded == 0) - printk("raid5: raid level %d set %s active with %d out of %d" - " devices, algorithm %d\n", conf->level, mdname(mddev), + printk(KERN_INFO "md/raid:%s: raid level %d active with %d out of %d" + " devices, algorithm %d\n", mdname(mddev), conf->level, mddev->raid_disks-mddev->degraded, mddev->raid_disks, mddev->new_layout); else - printk(KERN_ALERT "raid5: raid level %d set %s active with %d" - " out of %d devices, algorithm %d\n", conf->level, - mdname(mddev), mddev->raid_disks - mddev->degraded, - mddev->raid_disks, mddev->new_layout); + printk(KERN_ALERT "md/raid:%s: raid level %d active with %d" + " out of %d devices, algorithm %d\n", + mdname(mddev), conf->level, + mddev->raid_disks - mddev->degraded, + mddev->raid_disks, mddev->new_layout); print_raid5_conf(conf); if (conf->reshape_progress != MaxSector) { - printk("...ok start reshape thread\n"); conf->reshape_safe = conf->reshape_progress; atomic_set(&conf->reshape_stripes, 0); clear_bit(MD_RECOVERY_SYNC, &mddev->recovery); @@ -5087,7 +5075,7 @@ static int run(mddev_t *mddev) mddev->to_remove = NULL; else if (sysfs_create_group(&mddev->kobj, &raid5_attrs_group)) printk(KERN_WARNING - "raid5: failed to create sysfs attributes for %s\n", + "md/raid:%s: failed to create sysfs attributes.\n", mdname(mddev)); mddev->queue->queue_lock = &conf->device_lock; @@ -5117,12 +5105,10 @@ abort: free_conf(conf); } mddev->private = NULL; - printk(KERN_ALERT "raid5: failed to run raid set %s\n", mdname(mddev)); + printk(KERN_ALERT "md/raid:%s: failed to run raid set.\n", mdname(mddev)); return -EIO; } - - static int stop(mddev_t *mddev) { raid5_conf_t *conf = mddev->private; @@ -5196,21 +5182,22 @@ static void print_raid5_conf (raid5_conf_t *conf) int i; struct disk_info *tmp; - printk("RAID5 conf printout:\n"); + printk(KERN_DEBUG "RAID conf printout:\n"); if (!conf) { printk("(conf==NULL)\n"); return; } - printk(" --- rd:%d wd:%d\n", conf->raid_disks, - conf->raid_disks - conf->mddev->degraded); + printk(KERN_DEBUG " --- level:%d rd:%d wd:%d\n", conf->level, + conf->raid_disks, + conf->raid_disks - conf->mddev->degraded); for (i = 0; i < conf->raid_disks; i++) { char b[BDEVNAME_SIZE]; tmp = conf->disks + i; if (tmp->rdev) - printk(" disk %d, o:%d, dev:%s\n", - i, !test_bit(Faulty, &tmp->rdev->flags), - bdevname(tmp->rdev->bdev,b)); + printk(KERN_DEBUG " disk %d, o:%d, dev:%s\n", + i, !test_bit(Faulty, &tmp->rdev->flags), + bdevname(tmp->rdev->bdev, b)); } } @@ -5358,7 +5345,8 @@ static int check_stripe_cache(mddev_t *mddev) > conf->max_nr_stripes || ((mddev->new_chunk_sectors << 9) / STRIPE_SIZE) * 4 > conf->max_nr_stripes) { - printk(KERN_WARNING "raid5: reshape: not enough stripes. Needed %lu\n", + printk(KERN_WARNING "md/raid:%s: reshape: not enough stripes. Needed %lu\n", + mdname(mddev), ((max(mddev->chunk_sectors, mddev->new_chunk_sectors) << 9) / STRIPE_SIZE)*4); return 0; @@ -5429,7 +5417,7 @@ static int raid5_start_reshape(mddev_t *mddev) */ if (raid5_size(mddev, 0, conf->raid_disks + mddev->delta_disks) < mddev->array_sectors) { - printk(KERN_ERR "md: %s: array size must be reduced " + printk(KERN_ERR "md/raid:%s: array size must be reduced " "before number of disks\n", mdname(mddev)); return -EINVAL; } @@ -5467,9 +5455,9 @@ static int raid5_start_reshape(mddev_t *mddev) if (sysfs_create_link(&mddev->kobj, &rdev->kobj, nm)) printk(KERN_WARNING - "raid5: failed to create " - " link %s for %s\n", - nm, mdname(mddev)); + "md/raid:%s: failed to create " + " link %s\n", + mdname(mddev), nm); } else break; } @@ -5616,7 +5604,8 @@ static void *raid45_takeover_raid0(mddev_t *mddev, int level) /* for raid0 takeover only one zone is supported */ if (raid0_priv->nr_strip_zones > 1) { - printk(KERN_ERR "md: cannot takeover raid0 with more than one zone.\n"); + printk(KERN_ERR "md/raid:%s: cannot takeover raid0 with more than one zone.\n", + mdname(mddev)); return ERR_PTR(-EINVAL); } |