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path: root/drivers/md/linear.c
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Diffstat (limited to 'drivers/md/linear.c')
-rw-r--r--drivers/md/linear.c36
1 files changed, 16 insertions, 20 deletions
diff --git a/drivers/md/linear.c b/drivers/md/linear.c
index 09437e95823..7e0e057db9a 100644
--- a/drivers/md/linear.c
+++ b/drivers/md/linear.c
@@ -159,7 +159,8 @@ static linear_conf_t *linear_conf(mddev_t *mddev, int raid_disks)
sector_t sectors;
if (j < 0 || j >= raid_disks || disk->rdev) {
- printk("linear: disk numbering problem. Aborting!\n");
+ printk(KERN_ERR "md/linear:%s: disk numbering problem. Aborting!\n",
+ mdname(mddev));
goto out;
}
@@ -187,7 +188,8 @@ static linear_conf_t *linear_conf(mddev_t *mddev, int raid_disks)
}
if (cnt != raid_disks) {
- printk("linear: not enough drives present. Aborting!\n");
+ printk(KERN_ERR "md/linear:%s: not enough drives present. Aborting!\n",
+ mdname(mddev));
goto out;
}
@@ -282,29 +284,21 @@ static int linear_stop (mddev_t *mddev)
rcu_barrier();
blk_sync_queue(mddev->queue); /* the unplug fn references 'conf'*/
kfree(conf);
+ mddev->private = NULL;
return 0;
}
-static int linear_make_request (struct request_queue *q, struct bio *bio)
+static int linear_make_request (mddev_t *mddev, struct bio *bio)
{
- const int rw = bio_data_dir(bio);
- mddev_t *mddev = q->queuedata;
dev_info_t *tmp_dev;
sector_t start_sector;
- int cpu;
if (unlikely(bio_rw_flagged(bio, BIO_RW_BARRIER))) {
md_barrier_request(mddev, bio);
return 0;
}
- cpu = part_stat_lock();
- part_stat_inc(cpu, &mddev->gendisk->part0, ios[rw]);
- part_stat_add(cpu, &mddev->gendisk->part0, sectors[rw],
- bio_sectors(bio));
- part_stat_unlock();
-
rcu_read_lock();
tmp_dev = which_dev(mddev, bio->bi_sector);
start_sector = tmp_dev->end_sector - tmp_dev->rdev->sectors;
@@ -314,12 +308,14 @@ static int linear_make_request (struct request_queue *q, struct bio *bio)
|| (bio->bi_sector < start_sector))) {
char b[BDEVNAME_SIZE];
- printk("linear_make_request: Sector %llu out of bounds on "
- "dev %s: %llu sectors, offset %llu\n",
- (unsigned long long)bio->bi_sector,
- bdevname(tmp_dev->rdev->bdev, b),
- (unsigned long long)tmp_dev->rdev->sectors,
- (unsigned long long)start_sector);
+ printk(KERN_ERR
+ "md/linear:%s: make_request: Sector %llu out of bounds on "
+ "dev %s: %llu sectors, offset %llu\n",
+ mdname(mddev),
+ (unsigned long long)bio->bi_sector,
+ bdevname(tmp_dev->rdev->bdev, b),
+ (unsigned long long)tmp_dev->rdev->sectors,
+ (unsigned long long)start_sector);
rcu_read_unlock();
bio_io_error(bio);
return 0;
@@ -336,9 +332,9 @@ static int linear_make_request (struct request_queue *q, struct bio *bio)
bp = bio_split(bio, end_sector - bio->bi_sector);
- if (linear_make_request(q, &bp->bio1))
+ if (linear_make_request(mddev, &bp->bio1))
generic_make_request(&bp->bio1);
- if (linear_make_request(q, &bp->bio2))
+ if (linear_make_request(mddev, &bp->bio2))
generic_make_request(&bp->bio2);
bio_pair_release(bp);
return 0;