From 95f6f3a46fc4ee1a2b216a6b46bdf2b450f1877f Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Tue, 8 Sep 2020 16:53:29 +0200 Subject: block: add a bdev_check_media_change helper Like check_disk_changed, except that it does not call ->revalidate_disk but leaves that to the caller. Signed-off-by: Christoph Hellwig Reviewed-by: Johannes Thumshirn Reviewed-by: Hannes Reinecke Signed-off-by: Jens Axboe --- fs/block_dev.c | 17 +++-------------- 1 file changed, 3 insertions(+), 14 deletions(-) (limited to 'fs/block_dev.c') diff --git a/fs/block_dev.c b/fs/block_dev.c index c70c41ecba48..c6ac0bd22eca 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -1379,21 +1379,10 @@ EXPORT_SYMBOL(revalidate_disk_size); */ int check_disk_change(struct block_device *bdev) { - struct gendisk *disk = bdev->bd_disk; - const struct block_device_operations *bdops = disk->fops; - unsigned int events; - - events = disk_clear_events(disk, DISK_EVENT_MEDIA_CHANGE | - DISK_EVENT_EJECT_REQUEST); - if (!(events & DISK_EVENT_MEDIA_CHANGE)) + if (!bdev_check_media_change(bdev)) return 0; - - if (__invalidate_device(bdev, true)) - pr_warn("VFS: busy inodes on changed media %s\n", - disk->disk_name); - set_bit(BDEV_NEED_PART_SCAN, &bdev->bd_flags); - if (bdops->revalidate_disk) - bdops->revalidate_disk(bdev->bd_disk); + if (bdev->bd_disk->fops->revalidate_disk) + bdev->bd_disk->fops->revalidate_disk(bdev->bd_disk); return 1; } -- cgit v1.2.3