md/raid0: tidy up printk messages.

All messages now start
   md/raid0:md-device-name:

Signed-off-by: NeilBrown <neilb@suse.de>

1 files changed, 65 insertions, 45 deletions

diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index 9f9c6b76ca7c..dc38c1a45166 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -75,10 +75,10 @@ static void dump_zones(mddev_t *mddev)
         for (j = 0; j < conf->nr_strip_zones; j++) {
                 printk(KERN_INFO "zone%d=[", j);
                 for (k = 0; k < conf->strip_zone[j].nb_dev; k++)
-                        printk("%s/",
+                        printk(KERN_CONT "%s/",
                         bdevname(conf->devlist[j*raid_disks
                                                 + k]->bdev, b));
-                printk("]\n");
+                printk(KERN_CONT "]\n");
 
                 zone_size  = conf->strip_zone[j].zone_end - zone_start;
                 printk(KERN_INFO "        zone offset=%llukb "
@@ -104,8 +104,9 @@ static int create_strip_zones(mddev_t *mddev, raid0_conf_t **private_conf)
         if (!conf)
                 return -ENOMEM;
         list_for_each_entry(rdev1, &mddev->disks, same_set) {
-                printk(KERN_INFO "raid0: looking at %s\n",
-                        bdevname(rdev1->bdev,b));
+                printk(KERN_INFO "md/raid0:%s: looking at %s\n",
+                       mdname(mddev),
+                       bdevname(rdev1->bdev, b));
                 c = 0;
 
                 /* round size to chunk_size */
@@ -114,14 +115,16 @@ 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 "raid0:   comparing %s(%llu)",
+                        printk(KERN_INFO "md/raid0:%s:   comparing %s(%llu)",
+                               mdname(mddev),
                                bdevname(rdev1->bdev,b),
                                (unsigned long long)rdev1->sectors);
-                        printk(KERN_INFO " with %s(%llu)\n",
+                        printk(KERN_CONT " with %s(%llu)\n",
                                bdevname(rdev2->bdev,b),
                                (unsigned long long)rdev2->sectors);
                         if (rdev2 == rdev1) {
-                                printk(KERN_INFO "raid0:   END\n");
+                                printk(KERN_INFO "md/raid0:%s:   END\n",
+                                       mdname(mddev));
                                 break;
                         }
                         if (rdev2->sectors == rdev1->sectors) {
@@ -129,20 +132,24 @@ 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 "raid0:   EQUAL\n");
+                                printk(KERN_INFO "md/raid0:%s:   EQUAL\n",
+                                       mdname(mddev));
                                 c = 1;
                                 break;
                         }
-                        printk(KERN_INFO "raid0:   NOT EQUAL\n");
+                        printk(KERN_INFO "md/raid0:%s:   NOT EQUAL\n",
+                               mdname(mddev));
                 }
                 if (!c) {
-                        printk(KERN_INFO "raid0:   ==> UNIQUE\n");
+                        printk(KERN_INFO "md/raid0:%s:   ==> UNIQUE\n",
+                               mdname(mddev));
                         conf->nr_strip_zones++;
-                        printk(KERN_INFO "raid0: %d zones\n",
-                                conf->nr_strip_zones);
+                        printk(KERN_INFO "md/raid0:%s: %d zones\n",
+                               mdname(mddev), conf->nr_strip_zones);
                 }
         }
-        printk(KERN_INFO "raid0: FINAL %d zones\n", conf->nr_strip_zones);
+        printk(KERN_INFO "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);
@@ -170,13 +177,13 @@ static int create_strip_zones(mddev_t *mddev, raid0_conf_t **private_conf)
                         j /= 2;
 
                 if (j < 0 || j >= mddev->raid_disks) {
-                        printk(KERN_ERR "raid0: bad disk number %d - "
-                                "aborting!\n", j);
+                        printk(KERN_ERR "md/raid0:%s: bad disk number %d - "
+                               "aborting!\n", mdname(mddev), j);
                         goto abort;
                 }
                 if (dev[j]) {
-                        printk(KERN_ERR "raid0: multiple devices for %d - "
-                                "aborting!\n", j);
+                        printk(KERN_ERR "md/raid0:%s: multiple devices for %d - "
+                               "aborting!\n", mdname(mddev), j);
                         goto abort;
                 }
                 dev[j] = rdev1;
@@ -198,8 +205,8 @@ static int create_strip_zones(mddev_t *mddev, raid0_conf_t **private_conf)
                 cnt++;
         }
         if (cnt != mddev->raid_disks) {
-                printk(KERN_ERR "raid0: too few disks (%d of %d) - "
-                        "aborting!\n", cnt, mddev->raid_disks);
+                printk(KERN_ERR "md/raid0:%s: too few disks (%d of %d) - "
+                       "aborting!\n", mdname(mddev), cnt, mddev->raid_disks);
                 goto abort;
         }
         zone->nb_dev = cnt;
@@ -215,39 +222,44 @@ 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 "raid0: zone %d\n", i);
+                printk(KERN_INFO "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 "raid0: checking %s ...",
-                                bdevname(rdev->bdev, b));
+                        printk(KERN_INFO "md/raid0:%s: checking %s ...",
+                               mdname(mddev),
+                               bdevname(rdev->bdev, b));
                         if (rdev->sectors <= zone->dev_start) {
-                                printk(KERN_INFO " nope.\n");
+                                printk(KERN_CONT " nope.\n");
                                 continue;
                         }
-                        printk(KERN_INFO " contained as device %d\n", c);
+                        printk(KERN_CONT " contained as device %d\n", c);
                         dev[c] = rdev;
                         c++;
                         if (!smallest || rdev->sectors < smallest->sectors) {
                                 smallest = rdev;
-                                printk(KERN_INFO "  (%llu) is smallest!.\n",
-                                        (unsigned long long)rdev->sectors);
+                                printk(KERN_INFO "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 "raid0: zone->nb_dev: %d, sectors: %llu\n",
-                        zone->nb_dev, (unsigned long long)sectors);
+                printk(KERN_INFO "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 "raid0: current zone start: %llu\n",
-                        (unsigned long long)smallest->sectors);
+                printk(KERN_INFO "md/raid0:%s: current zone start: %llu\n",
+                       mdname(mddev),
+                       (unsigned long long)smallest->sectors);
         }
         mddev->queue->unplug_fn = raid0_unplug;
         mddev->queue->backing_dev_info.congested_fn = raid0_congested;
@@ -258,7 +270,7 @@ static int create_strip_zones(mddev_t *mddev, raid0_conf_t **private_conf)
          * chunk size is a multiple of that sector size
          */
         if ((mddev->chunk_sectors << 9) % queue_logical_block_size(mddev->queue)) {
-                printk(KERN_ERR "%s chunk_size of %d not valid\n",
+                printk(KERN_ERR "md/raid0:%s: chunk_size of %d not valid\n",
                        mdname(mddev),
                        mddev->chunk_sectors << 9);
                 goto abort;
@@ -268,7 +280,7 @@ 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 "raid0: done.\n");
+        printk(KERN_INFO "md/raid0:%s: done.\n", mdname(mddev));
         *private_conf = conf;
 
         return 0;
@@ -331,7 +343,8 @@ static int raid0_run(mddev_t *mddev)
         int ret;
 
         if (mddev->chunk_sectors == 0) {
-                printk(KERN_ERR "md/raid0: chunk size must be set.\n");
+                printk(KERN_ERR "md/raid0:%s: chunk size must be set.\n",
+                       mdname(mddev));
                 return -EINVAL;
         }
         if (md_check_no_bitmap(mddev))
@@ -357,8 +370,9 @@ static int raid0_run(mddev_t *mddev)
         /* calculate array device size */
         md_set_array_sectors(mddev, raid0_size(mddev, 0, 0));
 
-        printk(KERN_INFO "raid0 : md_size is %llu sectors.\n",
-                (unsigned long long)mddev->array_sectors);
+        printk(KERN_INFO "md/raid0:%s: md_size is %llu sectors.\n",
+               mdname(mddev),
+               (unsigned long long)mddev->array_sectors);
         /* calculate the max read-ahead size.
          * For read-ahead of large files to be effective, we need to
          * readahead at least twice a whole stripe. i.e. number of devices
@@ -516,9 +530,10 @@ static int raid0_make_request(mddev_t *mddev, struct bio *bio)
         return 1;
 
 bad_map:
-        printk("raid0_make_request bug: can't convert block across chunks"
-                " or bigger than %dk %llu %d\n", chunk_sects / 2,
-                (unsigned long long)bio->bi_sector, bio->bi_size >> 10);
+        printk("md/raid0:%s: make_request bug: can't convert block across chunks"
+               " or bigger than %dk %llu %d\n",
+               mdname(mddev), chunk_sects / 2,
+               (unsigned long long)bio->bi_sector, bio->bi_size >> 10);
 
         bio_io_error(bio);
         return 0;
@@ -563,7 +578,8 @@ static void *raid0_takeover_raid5(mddev_t *mddev)
         raid0_conf_t *priv_conf;
 
         if (mddev->degraded != 1) {
-                printk(KERN_ERR "md: raid5 must be degraded! Degraded disks: %d\n",
+                printk(KERN_ERR "md/raid0:%s: raid5 must be degraded! Degraded disks: %d\n",
+                       mdname(mddev),
                        mddev->degraded);
                 return ERR_PTR(-EINVAL);
         }
@@ -571,7 +587,8 @@ static void *raid0_takeover_raid5(mddev_t *mddev)
         list_for_each_entry(rdev, &mddev->disks, same_set) {
                 /* check slot number for a disk */
                 if (rdev->raid_disk == mddev->raid_disks-1) {
-                        printk(KERN_ERR "md: raid5 must have missing parity disk!\n");
+                        printk(KERN_ERR "md/raid0:%s: raid5 must have missing parity disk!\n",
+                               mdname(mddev));
                         return ERR_PTR(-EINVAL);
                 }
         }
@@ -599,16 +616,19 @@ static void *raid0_takeover_raid10(mddev_t *mddev)
          *  - all mirrors must be already degraded
          */
         if (mddev->layout != ((1 << 8) + 2)) {
-                printk(KERN_ERR "md: Raid0 cannot takover layout: %x\n",
+                printk(KERN_ERR "md/raid0:%s:: Raid0 cannot takover layout: 0x%x\n",
+                       mdname(mddev),
                        mddev->layout);
                 return ERR_PTR(-EINVAL);
         }
         if (mddev->raid_disks & 1) {
-                printk(KERN_ERR "md: Raid0 cannot takover Raid10 with odd disk number.\n");
+                printk(KERN_ERR "md/raid0:%s: Raid0 cannot takover Raid10 with odd disk number.\n",
+                       mdname(mddev));
                 return ERR_PTR(-EINVAL);
         }
         if (mddev->degraded != (mddev->raid_disks>>1)) {
-                printk(KERN_ERR "md: All mirrors must be already degraded!\n");
+                printk(KERN_ERR "md/raid0:%s: All mirrors must be already degraded!\n",
+                       mdname(mddev));
                 return ERR_PTR(-EINVAL);
         }
 
@@ -636,8 +656,8 @@ static void *raid0_takeover(mddev_t *mddev)
                 if (mddev->layout == ALGORITHM_PARITY_N)
                         return raid0_takeover_raid5(mddev);
 
-                printk(KERN_ERR "md: Raid can only takeover Raid5 with layout: %d\n",
-                       ALGORITHM_PARITY_N);
+                printk(KERN_ERR "md/raid0:%s: Raid can only takeover Raid5 with layout: %d\n",
+                       mdname(mddev), ALGORITHM_PARITY_N);
         }
 
         if (mddev->level == 10)