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block: pass a gendisk on bdev_check_media_change

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bdev_check_media_change should only ever be called for the whole device.
Pass a gendisk to make that explicit and rename the function to
disk_check_media_change.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Acked-by: Christian Brauner <brauner@kernel.org>
Link: https://lore.kernel.org/r/20230608110258.189493-8-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig
2023-06-08 13:02:35 +02:00
committed by Jens Axboe
parent 7ae24fcee9
commit 444aa2c58c
11 changed files with 31 additions and 32 deletions
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18
block/disk-events.c
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@@ -263,31 +263,31 @@ static unsigned int disk_clear_events(struct gendisk *disk, unsigned int mask)
}
/**
* bdev_check_media_change - check if a removable media has been changed
* @bdev: block device to check
* disk_check_media_change - check if a removable media has been changed
* @disk: gendisk to check
*
* Check whether a removable media has been changed, and attempt to free all
* dentries and inodes and invalidates all block device page cache entries in
* that case.
*
* Returns %true if the block device changed, or %false if not.
* Returns %true if the media has changed, or %false if not.
*/
bool bdev_check_media_change(struct block_device *bdev)
bool disk_check_media_change(struct gendisk *disk)
{
unsigned int events;
events = disk_clear_events(bdev->bd_disk, DISK_EVENT_MEDIA_CHANGE |
events = disk_clear_events(disk, DISK_EVENT_MEDIA_CHANGE |
DISK_EVENT_EJECT_REQUEST);
if (!(events & DISK_EVENT_MEDIA_CHANGE))
return false;
if (__invalidate_device(bdev, true))
if (__invalidate_device(disk->part0, true))
pr_warn("VFS: busy inodes on changed media %s\n",
bdev->bd_disk->disk_name);
set_bit(GD_NEED_PART_SCAN, &bdev->bd_disk->state);
disk->disk_name);
set_bit(GD_NEED_PART_SCAN, &disk->state);
return true;
}
EXPORT_SYMBOL(bdev_check_media_change);
EXPORT_SYMBOL(disk_check_media_change);
/**
* disk_force_media_change - force a media change event