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md/raid0: replace printk() with pr_*()
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This makes md/raid0 much less verbose as the messages about
the array geometry are now pr_debug()

Signed-off-by: NeilBrown <neilb@suse.com>
Signed-off-by: Shaohua Li <shli@fb.com>
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@shligit
NeilBrown authored and shligit committed Nov 7, 2016
1 parent 7279694 commit 7660388
Showing 1 changed file with 44 additions and 45 deletions.
89 changes: 44 additions & 45 deletions drivers/md/raid0.c
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Original file line number Diff line number Diff line change
Expand Up @@ -51,20 +51,21 @@ static void dump_zones(struct mddev *mddev)
char b[BDEVNAME_SIZE];
struct r0conf *conf = mddev->private;
int raid_disks = conf->strip_zone[0].nb_dev;
printk(KERN_INFO "md: RAID0 configuration for %s - %d zone%s\n",
mdname(mddev),
conf->nr_strip_zones, conf->nr_strip_zones==1?"":"s");
pr_debug("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 "md: zone%d=[", j);
char line[200];
int len = 0;

for (k = 0; k < conf->strip_zone[j].nb_dev; k++)
printk(KERN_CONT "%s%s", k?"/":"",
bdevname(conf->devlist[j*raid_disks
+ k]->bdev, b));
printk(KERN_CONT "]\n");
len += snprintf(line+len, 200-len, "%s%s", k?"/":"",
bdevname(conf->devlist[j*raid_disks
+ k]->bdev, b));
pr_debug("md: zone%d=[%s]\n", j, line);

zone_size = conf->strip_zone[j].zone_end - zone_start;
printk(KERN_INFO " zone-offset=%10lluKB, "
"device-offset=%10lluKB, size=%10lluKB\n",
pr_debug(" 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);
Expand Down Expand Up @@ -142,9 +143,9 @@ static int create_strip_zones(struct mddev *mddev, struct r0conf **private_conf)
* chunk size is a multiple of that sector size
*/
if ((mddev->chunk_sectors << 9) % blksize) {
printk(KERN_ERR "md/raid0:%s: chunk_size of %d not multiple of block size %d\n",
mdname(mddev),
mddev->chunk_sectors << 9, blksize);
pr_warn("md/raid0:%s: chunk_size of %d not multiple of block size %d\n",
mdname(mddev),
mddev->chunk_sectors << 9, blksize);
err = -EINVAL;
goto abort;
}
Expand Down Expand Up @@ -186,19 +187,18 @@ static int create_strip_zones(struct mddev *mddev, struct r0conf **private_conf)
}

if (j < 0) {
printk(KERN_ERR
"md/raid0:%s: remove inactive devices before converting to RAID0\n",
mdname(mddev));
pr_warn("md/raid0:%s: remove inactive devices before converting to RAID0\n",
mdname(mddev));
goto abort;
}
if (j >= mddev->raid_disks) {
printk(KERN_ERR "md/raid0:%s: bad disk number %d - "
"aborting!\n", mdname(mddev), j);
pr_warn("md/raid0:%s: bad disk number %d - aborting!\n",
mdname(mddev), j);
goto abort;
}
if (dev[j]) {
printk(KERN_ERR "md/raid0:%s: multiple devices for %d - "
"aborting!\n", mdname(mddev), j);
pr_warn("md/raid0:%s: multiple devices for %d - aborting!\n",
mdname(mddev), j);
goto abort;
}
dev[j] = rdev1;
Expand All @@ -208,8 +208,8 @@ static int create_strip_zones(struct mddev *mddev, struct r0conf **private_conf)
cnt++;
}
if (cnt != mddev->raid_disks) {
printk(KERN_ERR "md/raid0:%s: too few disks (%d of %d) - "
"aborting!\n", mdname(mddev), cnt, mddev->raid_disks);
pr_warn("md/raid0:%s: too few disks (%d of %d) - aborting!\n",
mdname(mddev), cnt, mddev->raid_disks);
goto abort;
}
zone->nb_dev = cnt;
Expand Down Expand Up @@ -357,8 +357,7 @@ static int raid0_run(struct mddev *mddev)
int ret;

if (mddev->chunk_sectors == 0) {
printk(KERN_ERR "md/raid0:%s: chunk size must be set.\n",
mdname(mddev));
pr_warn("md/raid0:%s: chunk size must be set.\n", mdname(mddev));
return -EINVAL;
}
if (md_check_no_bitmap(mddev))
Expand Down Expand Up @@ -399,9 +398,9 @@ static int raid0_run(struct mddev *mddev)
/* calculate array device size */
md_set_array_sectors(mddev, raid0_size(mddev, 0, 0));

printk(KERN_INFO "md/raid0:%s: md_size is %llu sectors.\n",
mdname(mddev),
(unsigned long long)mddev->array_sectors);
pr_debug("md/raid0:%s: md_size is %llu sectors.\n",
mdname(mddev),
(unsigned long long)mddev->array_sectors);

if (mddev->queue) {
/* calculate the max read-ahead size.
Expand Down Expand Up @@ -509,17 +508,17 @@ static void *raid0_takeover_raid45(struct mddev *mddev)
struct r0conf *priv_conf;

if (mddev->degraded != 1) {
printk(KERN_ERR "md/raid0:%s: raid5 must be degraded! Degraded disks: %d\n",
mdname(mddev),
mddev->degraded);
pr_warn("md/raid0:%s: raid5 must be degraded! Degraded disks: %d\n",
mdname(mddev),
mddev->degraded);
return ERR_PTR(-EINVAL);
}

rdev_for_each(rdev, mddev) {
/* check slot number for a disk */
if (rdev->raid_disk == mddev->raid_disks-1) {
printk(KERN_ERR "md/raid0:%s: raid5 must have missing parity disk!\n",
mdname(mddev));
pr_warn("md/raid0:%s: raid5 must have missing parity disk!\n",
mdname(mddev));
return ERR_PTR(-EINVAL);
}
rdev->sectors = mddev->dev_sectors;
Expand Down Expand Up @@ -549,19 +548,19 @@ static void *raid0_takeover_raid10(struct mddev *mddev)
* - all mirrors must be already degraded
*/
if (mddev->layout != ((1 << 8) + 2)) {
printk(KERN_ERR "md/raid0:%s:: Raid0 cannot takeover layout: 0x%x\n",
mdname(mddev),
mddev->layout);
pr_warn("md/raid0:%s:: Raid0 cannot takeover layout: 0x%x\n",
mdname(mddev),
mddev->layout);
return ERR_PTR(-EINVAL);
}
if (mddev->raid_disks & 1) {
printk(KERN_ERR "md/raid0:%s: Raid0 cannot takeover Raid10 with odd disk number.\n",
mdname(mddev));
pr_warn("md/raid0:%s: Raid0 cannot takeover Raid10 with odd disk number.\n",
mdname(mddev));
return ERR_PTR(-EINVAL);
}
if (mddev->degraded != (mddev->raid_disks>>1)) {
printk(KERN_ERR "md/raid0:%s: All mirrors must be already degraded!\n",
mdname(mddev));
pr_warn("md/raid0:%s: All mirrors must be already degraded!\n",
mdname(mddev));
return ERR_PTR(-EINVAL);
}

Expand All @@ -588,7 +587,7 @@ static void *raid0_takeover_raid1(struct mddev *mddev)
* - (N - 1) mirror drives must be already faulty
*/
if ((mddev->raid_disks - 1) != mddev->degraded) {
printk(KERN_ERR "md/raid0:%s: (N - 1) mirrors drives must be already faulty!\n",
pr_err("md/raid0:%s: (N - 1) mirrors drives must be already faulty!\n",
mdname(mddev));
return ERR_PTR(-EINVAL);
}
Expand Down Expand Up @@ -631,8 +630,8 @@ static void *raid0_takeover(struct mddev *mddev)
*/

if (mddev->bitmap) {
printk(KERN_ERR "md/raid0: %s: cannot takeover array with bitmap\n",
mdname(mddev));
pr_warn("md/raid0: %s: cannot takeover array with bitmap\n",
mdname(mddev));
return ERR_PTR(-EBUSY);
}
if (mddev->level == 4)
Expand All @@ -642,8 +641,8 @@ static void *raid0_takeover(struct mddev *mddev)
if (mddev->layout == ALGORITHM_PARITY_N)
return raid0_takeover_raid45(mddev);

printk(KERN_ERR "md/raid0:%s: Raid can only takeover Raid5 with layout: %d\n",
mdname(mddev), ALGORITHM_PARITY_N);
pr_warn("md/raid0:%s: Raid can only takeover Raid5 with layout: %d\n",
mdname(mddev), ALGORITHM_PARITY_N);
}

if (mddev->level == 10)
Expand All @@ -652,7 +651,7 @@ static void *raid0_takeover(struct mddev *mddev)
if (mddev->level == 1)
return raid0_takeover_raid1(mddev);

printk(KERN_ERR "Takeover from raid%i to raid0 not supported\n",
pr_warn("Takeover from raid%i to raid0 not supported\n",
mddev->level);

return ERR_PTR(-EINVAL);
Expand Down

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