forked from luck/tmp_suning_uos_patched
md/raid0: tidy up printk messages.
All messages now start md/raid0:md-device-name: Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
NeilBrown
parent
128595ed6f
commit
b5a20961f3
@ -75,10 +75,10 @@ static void dump_zones(mddev_t *mddev)
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for (j = 0; j < conf->nr_strip_zones; j++) {
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printk(KERN_INFO "zone%d=[", j);
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for (k = 0; k < conf->strip_zone[j].nb_dev; k++)
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printk("%s/",
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printk(KERN_CONT "%s/",
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bdevname(conf->devlist[j*raid_disks
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+ k]->bdev, b));
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printk("]\n");
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printk(KERN_CONT "]\n");
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zone_size = conf->strip_zone[j].zone_end - zone_start;
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printk(KERN_INFO " zone offset=%llukb "
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@ -104,8 +104,9 @@ static int create_strip_zones(mddev_t *mddev, raid0_conf_t **private_conf)
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if (!conf)
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return -ENOMEM;
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list_for_each_entry(rdev1, &mddev->disks, same_set) {
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printk(KERN_INFO "raid0: looking at %s\n",
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bdevname(rdev1->bdev,b));
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printk(KERN_INFO "md/raid0:%s: looking at %s\n",
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mdname(mddev),
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bdevname(rdev1->bdev, b));
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c = 0;
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/* round size to chunk_size */
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@ -114,14 +115,16 @@ static int create_strip_zones(mddev_t *mddev, raid0_conf_t **private_conf)
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rdev1->sectors = sectors * mddev->chunk_sectors;
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list_for_each_entry(rdev2, &mddev->disks, same_set) {
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printk(KERN_INFO "raid0: comparing %s(%llu)",
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printk(KERN_INFO "md/raid0:%s: comparing %s(%llu)",
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mdname(mddev),
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bdevname(rdev1->bdev,b),
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(unsigned long long)rdev1->sectors);
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printk(KERN_INFO " with %s(%llu)\n",
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printk(KERN_CONT " with %s(%llu)\n",
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bdevname(rdev2->bdev,b),
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(unsigned long long)rdev2->sectors);
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if (rdev2 == rdev1) {
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printk(KERN_INFO "raid0: END\n");
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printk(KERN_INFO "md/raid0:%s: END\n",
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mdname(mddev));
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break;
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}
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if (rdev2->sectors == rdev1->sectors) {
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@ -129,20 +132,24 @@ static int create_strip_zones(mddev_t *mddev, raid0_conf_t **private_conf)
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* Not unique, don't count it as a new
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* group
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*/
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printk(KERN_INFO "raid0: EQUAL\n");
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printk(KERN_INFO "md/raid0:%s: EQUAL\n",
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mdname(mddev));
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c = 1;
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break;
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}
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printk(KERN_INFO "raid0: NOT EQUAL\n");
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printk(KERN_INFO "md/raid0:%s: NOT EQUAL\n",
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mdname(mddev));
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}
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if (!c) {
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printk(KERN_INFO "raid0: ==> UNIQUE\n");
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printk(KERN_INFO "md/raid0:%s: ==> UNIQUE\n",
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mdname(mddev));
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conf->nr_strip_zones++;
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printk(KERN_INFO "raid0: %d zones\n",
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conf->nr_strip_zones);
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printk(KERN_INFO "md/raid0:%s: %d zones\n",
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mdname(mddev), conf->nr_strip_zones);
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}
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}
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printk(KERN_INFO "raid0: FINAL %d zones\n", conf->nr_strip_zones);
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printk(KERN_INFO "md/raid0:%s: FINAL %d zones\n",
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mdname(mddev), conf->nr_strip_zones);
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err = -ENOMEM;
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conf->strip_zone = kzalloc(sizeof(struct strip_zone)*
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conf->nr_strip_zones, GFP_KERNEL);
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@ -170,13 +177,13 @@ static int create_strip_zones(mddev_t *mddev, raid0_conf_t **private_conf)
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j /= 2;
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if (j < 0 || j >= mddev->raid_disks) {
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printk(KERN_ERR "raid0: bad disk number %d - "
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"aborting!\n", j);
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printk(KERN_ERR "md/raid0:%s: bad disk number %d - "
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"aborting!\n", mdname(mddev), j);
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goto abort;
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}
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if (dev[j]) {
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printk(KERN_ERR "raid0: multiple devices for %d - "
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"aborting!\n", j);
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printk(KERN_ERR "md/raid0:%s: multiple devices for %d - "
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"aborting!\n", mdname(mddev), j);
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goto abort;
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}
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dev[j] = rdev1;
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@ -198,8 +205,8 @@ static int create_strip_zones(mddev_t *mddev, raid0_conf_t **private_conf)
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cnt++;
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}
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if (cnt != mddev->raid_disks) {
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printk(KERN_ERR "raid0: too few disks (%d of %d) - "
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"aborting!\n", cnt, mddev->raid_disks);
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printk(KERN_ERR "md/raid0:%s: too few disks (%d of %d) - "
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"aborting!\n", mdname(mddev), cnt, mddev->raid_disks);
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goto abort;
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}
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zone->nb_dev = cnt;
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@ -215,39 +222,44 @@ static int create_strip_zones(mddev_t *mddev, raid0_conf_t **private_conf)
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zone = conf->strip_zone + i;
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dev = conf->devlist + i * mddev->raid_disks;
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printk(KERN_INFO "raid0: zone %d\n", i);
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printk(KERN_INFO "md/raid0:%s: zone %d\n",
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mdname(mddev), i);
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zone->dev_start = smallest->sectors;
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smallest = NULL;
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c = 0;
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for (j=0; j<cnt; j++) {
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rdev = conf->devlist[j];
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printk(KERN_INFO "raid0: checking %s ...",
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bdevname(rdev->bdev, b));
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printk(KERN_INFO "md/raid0:%s: checking %s ...",
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mdname(mddev),
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bdevname(rdev->bdev, b));
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if (rdev->sectors <= zone->dev_start) {
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printk(KERN_INFO " nope.\n");
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printk(KERN_CONT " nope.\n");
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continue;
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}
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printk(KERN_INFO " contained as device %d\n", c);
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printk(KERN_CONT " contained as device %d\n", c);
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dev[c] = rdev;
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c++;
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if (!smallest || rdev->sectors < smallest->sectors) {
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smallest = rdev;
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printk(KERN_INFO " (%llu) is smallest!.\n",
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(unsigned long long)rdev->sectors);
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printk(KERN_INFO "md/raid0:%s: (%llu) is smallest!.\n",
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mdname(mddev),
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(unsigned long long)rdev->sectors);
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}
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}
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zone->nb_dev = c;
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sectors = (smallest->sectors - zone->dev_start) * c;
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printk(KERN_INFO "raid0: zone->nb_dev: %d, sectors: %llu\n",
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zone->nb_dev, (unsigned long long)sectors);
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printk(KERN_INFO "md/raid0:%s: zone->nb_dev: %d, sectors: %llu\n",
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mdname(mddev),
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zone->nb_dev, (unsigned long long)sectors);
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curr_zone_end += sectors;
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zone->zone_end = curr_zone_end;
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printk(KERN_INFO "raid0: current zone start: %llu\n",
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(unsigned long long)smallest->sectors);
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printk(KERN_INFO "md/raid0:%s: current zone start: %llu\n",
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mdname(mddev),
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(unsigned long long)smallest->sectors);
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}
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mddev->queue->unplug_fn = raid0_unplug;
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mddev->queue->backing_dev_info.congested_fn = raid0_congested;
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@ -258,7 +270,7 @@ static int create_strip_zones(mddev_t *mddev, raid0_conf_t **private_conf)
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* chunk size is a multiple of that sector size
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*/
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if ((mddev->chunk_sectors << 9) % queue_logical_block_size(mddev->queue)) {
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printk(KERN_ERR "%s chunk_size of %d not valid\n",
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printk(KERN_ERR "md/raid0:%s: chunk_size of %d not valid\n",
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mdname(mddev),
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mddev->chunk_sectors << 9);
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goto abort;
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@ -268,7 +280,7 @@ static int create_strip_zones(mddev_t *mddev, raid0_conf_t **private_conf)
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blk_queue_io_opt(mddev->queue,
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(mddev->chunk_sectors << 9) * mddev->raid_disks);
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printk(KERN_INFO "raid0: done.\n");
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printk(KERN_INFO "md/raid0:%s: done.\n", mdname(mddev));
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*private_conf = conf;
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return 0;
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@ -331,7 +343,8 @@ static int raid0_run(mddev_t *mddev)
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int ret;
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if (mddev->chunk_sectors == 0) {
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printk(KERN_ERR "md/raid0: chunk size must be set.\n");
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printk(KERN_ERR "md/raid0:%s: chunk size must be set.\n",
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mdname(mddev));
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return -EINVAL;
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}
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if (md_check_no_bitmap(mddev))
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@ -357,8 +370,9 @@ static int raid0_run(mddev_t *mddev)
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/* calculate array device size */
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md_set_array_sectors(mddev, raid0_size(mddev, 0, 0));
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printk(KERN_INFO "raid0 : md_size is %llu sectors.\n",
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(unsigned long long)mddev->array_sectors);
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printk(KERN_INFO "md/raid0:%s: md_size is %llu sectors.\n",
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mdname(mddev),
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(unsigned long long)mddev->array_sectors);
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/* calculate the max read-ahead size.
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* For read-ahead of large files to be effective, we need to
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* readahead at least twice a whole stripe. i.e. number of devices
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@ -516,9 +530,10 @@ static int raid0_make_request(mddev_t *mddev, struct bio *bio)
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return 1;
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bad_map:
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printk("raid0_make_request bug: can't convert block across chunks"
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" or bigger than %dk %llu %d\n", chunk_sects / 2,
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(unsigned long long)bio->bi_sector, bio->bi_size >> 10);
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printk("md/raid0:%s: make_request bug: can't convert block across chunks"
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" or bigger than %dk %llu %d\n",
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mdname(mddev), chunk_sects / 2,
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(unsigned long long)bio->bi_sector, bio->bi_size >> 10);
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bio_io_error(bio);
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return 0;
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@ -563,7 +578,8 @@ static void *raid0_takeover_raid5(mddev_t *mddev)
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raid0_conf_t *priv_conf;
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if (mddev->degraded != 1) {
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printk(KERN_ERR "md: raid5 must be degraded! Degraded disks: %d\n",
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printk(KERN_ERR "md/raid0:%s: raid5 must be degraded! Degraded disks: %d\n",
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mdname(mddev),
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mddev->degraded);
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return ERR_PTR(-EINVAL);
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}
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@ -571,7 +587,8 @@ static void *raid0_takeover_raid5(mddev_t *mddev)
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list_for_each_entry(rdev, &mddev->disks, same_set) {
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/* check slot number for a disk */
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if (rdev->raid_disk == mddev->raid_disks-1) {
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printk(KERN_ERR "md: raid5 must have missing parity disk!\n");
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printk(KERN_ERR "md/raid0:%s: raid5 must have missing parity disk!\n",
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mdname(mddev));
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return ERR_PTR(-EINVAL);
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}
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}
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@ -599,16 +616,19 @@ static void *raid0_takeover_raid10(mddev_t *mddev)
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* - all mirrors must be already degraded
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*/
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if (mddev->layout != ((1 << 8) + 2)) {
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printk(KERN_ERR "md: Raid0 cannot takover layout: %x\n",
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printk(KERN_ERR "md/raid0:%s:: Raid0 cannot takover layout: 0x%x\n",
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mdname(mddev),
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mddev->layout);
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return ERR_PTR(-EINVAL);
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}
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if (mddev->raid_disks & 1) {
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printk(KERN_ERR "md: Raid0 cannot takover Raid10 with odd disk number.\n");
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printk(KERN_ERR "md/raid0:%s: Raid0 cannot takover Raid10 with odd disk number.\n",
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mdname(mddev));
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return ERR_PTR(-EINVAL);
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}
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if (mddev->degraded != (mddev->raid_disks>>1)) {
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printk(KERN_ERR "md: All mirrors must be already degraded!\n");
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printk(KERN_ERR "md/raid0:%s: All mirrors must be already degraded!\n",
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mdname(mddev));
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return ERR_PTR(-EINVAL);
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}
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@ -636,8 +656,8 @@ static void *raid0_takeover(mddev_t *mddev)
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if (mddev->layout == ALGORITHM_PARITY_N)
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return raid0_takeover_raid5(mddev);
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printk(KERN_ERR "md: Raid can only takeover Raid5 with layout: %d\n",
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ALGORITHM_PARITY_N);
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printk(KERN_ERR "md/raid0:%s: Raid can only takeover Raid5 with layout: %d\n",
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mdname(mddev), ALGORITHM_PARITY_N);
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}
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if (mddev->level == 10)
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