Switch to use bdev_check_media_change instead of check_disk_change and
call sr_block_revalidate_disk manually. Also add an explicit call to
sr_block_revalidate_disk just before disk_add() to ensure we always
read check for a ready unit and read the TOC and then stop wiring up
->revalidate_disk.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@xxxxxxx>
---
drivers/scsi/sr.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c
index 3b3a53c6a0de53..34be94b62523fa 100644
--- a/drivers/scsi/sr.c
+++ b/drivers/scsi/sr.c
@@ -86,6 +86,7 @@ static int sr_remove(struct device *);
static blk_status_t sr_init_command(struct scsi_cmnd *SCpnt);
static int sr_done(struct scsi_cmnd *);
static int sr_runtime_suspend(struct device *dev);
+static int sr_block_revalidate_disk(struct gendisk *disk);
static const struct dev_pm_ops sr_pm_ops = {
.runtime_suspend = sr_runtime_suspend,
@@ -529,7 +530,8 @@ static int sr_block_open(struct block_device *bdev, fmode_t mode)
sdev = cd->device;
scsi_autopm_get_device(sdev);
- check_disk_change(bdev);
+ if (bdev_check_media_change(bdev))
+ sr_block_revalidate_disk(bdev->bd_disk);
mutex_lock(&cd->lock);
ret = cdrom_open(&cd->cdi, bdev, mode);
@@ -688,7 +690,6 @@ static const struct block_device_operations sr_bdops =
.compat_ioctl = sr_block_compat_ioctl,
#endif
.check_events = sr_block_check_events,
- .revalidate_disk = sr_block_revalidate_disk,
};
static int sr_open(struct cdrom_device_info *cdi, int purpose)
@@ -802,6 +803,7 @@ static int sr_probe(struct device *dev)
dev_set_drvdata(dev, cd);
disk->flags |= GENHD_FL_REMOVABLE;
+ sr_block_revalidate_disk(disk);
device_add_disk(&sdev->sdev_gendev, disk, NULL);
sdev_printk(KERN_DEBUG, sdev,
--
2.28.0
