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-rw-r--r--block/partitions/core.c29
1 files changed, 16 insertions, 13 deletions
diff --git a/block/partitions/core.c b/block/partitions/core.c
index 722406b841df..a02e22411594 100644
--- a/block/partitions/core.c
+++ b/block/partitions/core.c
@@ -199,14 +199,20 @@ static ssize_t part_alignment_offset_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct hd_struct *p = dev_to_part(dev);
- return sprintf(buf, "%llu\n", (unsigned long long)p->alignment_offset);
+
+ return sprintf(buf, "%u\n",
+ queue_limit_alignment_offset(&part_to_disk(p)->queue->limits,
+ p->start_sect));
}
static ssize_t part_discard_alignment_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct hd_struct *p = dev_to_part(dev);
- return sprintf(buf, "%u\n", p->discard_alignment);
+
+ return sprintf(buf, "%u\n",
+ queue_limit_discard_alignment(&part_to_disk(p)->queue->limits,
+ p->start_sect));
}
static DEVICE_ATTR(partition, 0444, part_partition_show, NULL);
@@ -318,8 +324,9 @@ int hd_ref_init(struct hd_struct *part)
* Must be called either with bd_mutex held, before a disk can be opened or
* after all disk users are gone.
*/
-void delete_partition(struct gendisk *disk, struct hd_struct *part)
+void delete_partition(struct hd_struct *part)
{
+ struct gendisk *disk = part_to_disk(part);
struct disk_part_tbl *ptbl =
rcu_dereference_protected(disk->part_tbl, 1);
@@ -327,7 +334,7 @@ void delete_partition(struct gendisk *disk, struct hd_struct *part)
* ->part_tbl is referenced in this part's release handler, so
* we have to hold the disk device
*/
- get_device(disk_to_dev(part_to_disk(part)));
+ get_device(disk_to_dev(disk));
rcu_assign_pointer(ptbl->part[part->partno], NULL);
kobject_put(part->holder_dir);
device_del(part_to_dev(part));
@@ -405,10 +412,6 @@ static struct hd_struct *add_partition(struct gendisk *disk, int partno,
pdev = part_to_dev(p);
p->start_sect = start;
- p->alignment_offset =
- queue_limit_alignment_offset(&disk->queue->limits, start);
- p->discard_alignment =
- queue_limit_discard_alignment(&disk->queue->limits, start);
p->nr_sects = len;
p->partno = partno;
p->policy = get_disk_ro(disk);
@@ -554,7 +557,7 @@ int bdev_del_partition(struct block_device *bdev, int partno)
sync_blockdev(bdevp);
invalidate_bdev(bdevp);
- delete_partition(bdev->bd_disk, part);
+ delete_partition(part);
ret = 0;
out_unlock:
mutex_unlock(&bdev->bd_mutex);
@@ -577,7 +580,7 @@ int bdev_resize_partition(struct block_device *bdev, int partno,
return -ENXIO;
ret = -ENOMEM;
- bdevp = bdget(part_devt(part));
+ bdevp = bdget_part(part);
if (!bdevp)
goto out_put_part;
@@ -592,8 +595,8 @@ int bdev_resize_partition(struct block_device *bdev, int partno,
if (partition_overlaps(bdev->bd_disk, start, length, partno))
goto out_unlock;
- part_nr_sects_write(part, (sector_t)length);
- i_size_write(bdevp->bd_inode, length << SECTOR_SHIFT);
+ part_nr_sects_write(part, length);
+ bd_set_nr_sectors(bdevp, length);
ret = 0;
out_unlock:
@@ -634,7 +637,7 @@ int blk_drop_partitions(struct block_device *bdev)
disk_part_iter_init(&piter, bdev->bd_disk, DISK_PITER_INCL_EMPTY);
while ((part = disk_part_iter_next(&piter)))
- delete_partition(bdev->bd_disk, part);
+ delete_partition(part);
disk_part_iter_exit(&piter);
return 0;