diff mbox series

[41/45] block: pass a block_device to invalidate_partition

Message ID 20201128161510.347752-42-hch@lst.de (mailing list archive)
State New, archived
Headers show
Series [01/45] blk-cgroup: fix a hd_struct leak in blkcg_fill_root_iostats | expand

Commit Message

Christoph Hellwig Nov. 28, 2020, 4:15 p.m. UTC 
Pass the block_device actually needed instead of looking it up using
bdget_disk.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
---
 block/genhd.c | 13 +++----------
 1 file changed, 3 insertions(+), 10 deletions(-)

Comments

Hannes Reinecke Nov. 30, 2020, 7:49 a.m. UTC | #1 
On 11/28/20 5:15 PM, Christoph Hellwig wrote:
> Pass the block_device actually needed instead of looking it up using
> bdget_disk.
> 
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> Reviewed-by: Jan Kara <jack@suse.cz>
> ---
>   block/genhd.c | 13 +++----------
>   1 file changed, 3 insertions(+), 10 deletions(-)
> 
Reviewed-by: Hannes Reinecke <hare@suse.de>

Cheers,

Hannes
diff mbox series

Patch

diff --git a/block/genhd.c b/block/genhd.c
index 835393b7101ace..28ced566c07bb7 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -795,14 +795,8 @@  void device_add_disk_no_queue_reg(struct device *parent, struct gendisk *disk)
 }
 EXPORT_SYMBOL(device_add_disk_no_queue_reg);
 
-static void invalidate_partition(struct gendisk *disk, int partno)
+static void invalidate_partition(struct block_device *bdev)
 {
-	struct block_device *bdev;
-
-	bdev = bdget_disk(disk, partno);
-	if (!bdev)
-		return;
-
 	fsync_bdev(bdev);
 	__invalidate_device(bdev, true);
 
@@ -811,7 +805,6 @@  static void invalidate_partition(struct gendisk *disk, int partno)
 	 * up any more even if openers still hold references to it.
 	 */
 	remove_inode_hash(bdev->bd_inode);
-	bdput(bdev);
 }
 
 /**
@@ -856,12 +849,12 @@  void del_gendisk(struct gendisk *disk)
 	disk_part_iter_init(&piter, disk,
 			     DISK_PITER_INCL_EMPTY | DISK_PITER_REVERSE);
 	while ((part = disk_part_iter_next(&piter))) {
-		invalidate_partition(disk, part->bdev->bd_partno);
+		invalidate_partition(part->bdev);
 		delete_partition(part);
 	}
 	disk_part_iter_exit(&piter);
 
-	invalidate_partition(disk, 0);
+	invalidate_partition(disk->part0);
 	set_capacity(disk, 0);
 	disk->flags &= ~GENHD_FL_UP;
 	up_write(&bdev_lookup_sem);