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-rw-r--r--drivers/md/raid0.c98
1 files changed, 50 insertions, 48 deletions
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index 20823b20bfcf..138ecd7eef51 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -49,32 +49,32 @@ static int raid0_congested(void *data, int bits)
*/
static void dump_zones(mddev_t *mddev)
{
- int j, k, h;
+ int j, k;
sector_t zone_size = 0;
sector_t zone_start = 0;
char b[BDEVNAME_SIZE];
raid0_conf_t *conf = mddev->private;
int raid_disks = conf->strip_zone[0].nb_dev;
- printk(KERN_INFO "******* %s configuration *********\n",
- mdname(mddev));
- h = 0;
+ printk(KERN_INFO "md: RAID0 configuration for %s - %d zone%s\n",
+ mdname(mddev),
+ conf->nr_strip_zones, conf->nr_strip_zones==1?"":"s");
for (j = 0; j < conf->nr_strip_zones; j++) {
- printk(KERN_INFO "zone%d=[", j);
+ printk(KERN_INFO "md: zone%d=[", j);
for (k = 0; k < conf->strip_zone[j].nb_dev; k++)
- printk(KERN_CONT "%s/",
+ printk(KERN_CONT "%s%s", k?"/":"",
bdevname(conf->devlist[j*raid_disks
+ k]->bdev, b));
printk(KERN_CONT "]\n");
zone_size = conf->strip_zone[j].zone_end - zone_start;
- printk(KERN_INFO " zone offset=%llukb "
- "device offset=%llukb size=%llukb\n",
+ printk(KERN_INFO " zone-offset=%10lluKB, "
+ "device-offset=%10lluKB, size=%10lluKB\n",
(unsigned long long)zone_start>>1,
(unsigned long long)conf->strip_zone[j].dev_start>>1,
(unsigned long long)zone_size>>1);
zone_start = conf->strip_zone[j].zone_end;
}
- printk(KERN_INFO "**********************************\n\n");
+ printk(KERN_INFO "\n");
}
static int create_strip_zones(mddev_t *mddev, raid0_conf_t **private_conf)
@@ -85,14 +85,15 @@ static int create_strip_zones(mddev_t *mddev, raid0_conf_t **private_conf)
struct strip_zone *zone;
int cnt;
char b[BDEVNAME_SIZE];
+ char b2[BDEVNAME_SIZE];
raid0_conf_t *conf = kzalloc(sizeof(*conf), GFP_KERNEL);
if (!conf)
return -ENOMEM;
list_for_each_entry(rdev1, &mddev->disks, same_set) {
- printk(KERN_INFO "md/raid0:%s: looking at %s\n",
- mdname(mddev),
- bdevname(rdev1->bdev, b));
+ pr_debug("md/raid0:%s: looking at %s\n",
+ mdname(mddev),
+ bdevname(rdev1->bdev, b));
c = 0;
/* round size to chunk_size */
@@ -101,16 +102,16 @@ static int create_strip_zones(mddev_t *mddev, raid0_conf_t **private_conf)
rdev1->sectors = sectors * mddev->chunk_sectors;
list_for_each_entry(rdev2, &mddev->disks, same_set) {
- printk(KERN_INFO "md/raid0:%s: comparing %s(%llu)",
- mdname(mddev),
- bdevname(rdev1->bdev,b),
- (unsigned long long)rdev1->sectors);
- printk(KERN_CONT " with %s(%llu)\n",
- bdevname(rdev2->bdev,b),
- (unsigned long long)rdev2->sectors);
+ pr_debug("md/raid0:%s: comparing %s(%llu)"
+ " with %s(%llu)\n",
+ mdname(mddev),
+ bdevname(rdev1->bdev,b),
+ (unsigned long long)rdev1->sectors,
+ bdevname(rdev2->bdev,b2),
+ (unsigned long long)rdev2->sectors);
if (rdev2 == rdev1) {
- printk(KERN_INFO "md/raid0:%s: END\n",
- mdname(mddev));
+ pr_debug("md/raid0:%s: END\n",
+ mdname(mddev));
break;
}
if (rdev2->sectors == rdev1->sectors) {
@@ -118,24 +119,24 @@ static int create_strip_zones(mddev_t *mddev, raid0_conf_t **private_conf)
* Not unique, don't count it as a new
* group
*/
- printk(KERN_INFO "md/raid0:%s: EQUAL\n",
- mdname(mddev));
+ pr_debug("md/raid0:%s: EQUAL\n",
+ mdname(mddev));
c = 1;
break;
}
- printk(KERN_INFO "md/raid0:%s: NOT EQUAL\n",
- mdname(mddev));
+ pr_debug("md/raid0:%s: NOT EQUAL\n",
+ mdname(mddev));
}
if (!c) {
- printk(KERN_INFO "md/raid0:%s: ==> UNIQUE\n",
- mdname(mddev));
+ pr_debug("md/raid0:%s: ==> UNIQUE\n",
+ mdname(mddev));
conf->nr_strip_zones++;
- printk(KERN_INFO "md/raid0:%s: %d zones\n",
- mdname(mddev), conf->nr_strip_zones);
+ pr_debug("md/raid0:%s: %d zones\n",
+ mdname(mddev), conf->nr_strip_zones);
}
}
- printk(KERN_INFO "md/raid0:%s: FINAL %d zones\n",
- mdname(mddev), conf->nr_strip_zones);
+ pr_debug("md/raid0:%s: FINAL %d zones\n",
+ mdname(mddev), conf->nr_strip_zones);
err = -ENOMEM;
conf->strip_zone = kzalloc(sizeof(struct strip_zone)*
conf->nr_strip_zones, GFP_KERNEL);
@@ -218,44 +219,45 @@ static int create_strip_zones(mddev_t *mddev, raid0_conf_t **private_conf)
zone = conf->strip_zone + i;
dev = conf->devlist + i * mddev->raid_disks;
- printk(KERN_INFO "md/raid0:%s: zone %d\n",
- mdname(mddev), i);
+ pr_debug("md/raid0:%s: zone %d\n", mdname(mddev), i);
zone->dev_start = smallest->sectors;
smallest = NULL;
c = 0;
for (j=0; j<cnt; j++) {
rdev = conf->devlist[j];
- printk(KERN_INFO "md/raid0:%s: checking %s ...",
- mdname(mddev),
- bdevname(rdev->bdev, b));
if (rdev->sectors <= zone->dev_start) {
- printk(KERN_CONT " nope.\n");
+ pr_debug("md/raid0:%s: checking %s ... nope\n",
+ mdname(mddev),
+ bdevname(rdev->bdev, b));
continue;
}
- printk(KERN_CONT " contained as device %d\n", c);
+ pr_debug("md/raid0:%s: checking %s ..."
+ " contained as device %d\n",
+ mdname(mddev),
+ bdevname(rdev->bdev, b), c);
dev[c] = rdev;
c++;
if (!smallest || rdev->sectors < smallest->sectors) {
smallest = rdev;
- printk(KERN_INFO "md/raid0:%s: (%llu) is smallest!.\n",
- mdname(mddev),
- (unsigned long long)rdev->sectors);
+ pr_debug("md/raid0:%s: (%llu) is smallest!.\n",
+ mdname(mddev),
+ (unsigned long long)rdev->sectors);
}
}
zone->nb_dev = c;
sectors = (smallest->sectors - zone->dev_start) * c;
- printk(KERN_INFO "md/raid0:%s: zone->nb_dev: %d, sectors: %llu\n",
- mdname(mddev),
- zone->nb_dev, (unsigned long long)sectors);
+ pr_debug("md/raid0:%s: zone->nb_dev: %d, sectors: %llu\n",
+ mdname(mddev),
+ zone->nb_dev, (unsigned long long)sectors);
curr_zone_end += sectors;
zone->zone_end = curr_zone_end;
- printk(KERN_INFO "md/raid0:%s: current zone start: %llu\n",
- mdname(mddev),
- (unsigned long long)smallest->sectors);
+ pr_debug("md/raid0:%s: current zone start: %llu\n",
+ mdname(mddev),
+ (unsigned long long)smallest->sectors);
}
mddev->queue->backing_dev_info.congested_fn = raid0_congested;
mddev->queue->backing_dev_info.congested_data = mddev;
@@ -275,7 +277,7 @@ static int create_strip_zones(mddev_t *mddev, raid0_conf_t **private_conf)
blk_queue_io_opt(mddev->queue,
(mddev->chunk_sectors << 9) * mddev->raid_disks);
- printk(KERN_INFO "md/raid0:%s: done.\n", mdname(mddev));
+ pr_debug("md/raid0:%s: done.\n", mdname(mddev));
*private_conf = conf;
return 0;
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