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block: remove the disk argument from blk_drop_partitions 

The gendisk can be trivially deducted from the block_device.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2020-04-14 09:28:57 +02:00 committed by Jens Axboe
parent 4377b48da6
commit d46430bf5a
3 changed files with 7 additions and 7 deletions
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10
block/partitions/core.c
View File

@ -603,23 +603,23 @@ static bool disk_unlock_native_capacity(struct gendisk *disk)
}
}
int blk_drop_partitions(struct gendisk *disk, struct block_device *bdev)
int blk_drop_partitions(struct block_device *bdev)
{
struct disk_part_iter piter;
struct hd_struct *part;
int res;
if (!disk_part_scan_enabled(disk))
if (!disk_part_scan_enabled(bdev->bd_disk))
return 0;
if (bdev->bd_part_count || bdev->bd_openers > 1)
return -EBUSY;
res = invalidate_partition(disk, 0);
res = invalidate_partition(bdev->bd_disk, 0);
if (res)
return res;
disk_part_iter_init(&piter, disk, DISK_PITER_INCL_EMPTY);
disk_part_iter_init(&piter, bdev->bd_disk, DISK_PITER_INCL_EMPTY);
while ((part = disk_part_iter_next(&piter)))
delete_partition(disk, part);
delete_partition(bdev->bd_disk, part);
disk_part_iter_exit(&piter);
return 0;

2
fs/block_dev.c
View File

@ -1517,7 +1517,7 @@ int bdev_disk_changed(struct block_device *bdev, bool invalidate)
lockdep_assert_held(&bdev->bd_mutex);
rescan:
ret = blk_drop_partitions(disk, bdev);
ret = blk_drop_partitions(bdev);
if (ret)
return ret;

2
include/linux/genhd.h
View File

@ -339,7 +339,7 @@ extern dev_t blk_lookup_devt(const char *name, int partno);
int bdev_disk_changed(struct block_device *bdev, bool invalidate);
int blk_add_partitions(struct gendisk *disk, struct block_device *bdev);
int blk_drop_partitions(struct gendisk *disk, struct block_device *bdev);
int blk_drop_partitions(struct block_device *bdev);
extern void printk_all_partitions(void);
extern struct gendisk *__alloc_disk_node(int minors, int node_id);