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ide-cd: use bdev_check_media_changed 

Switch to use bdev_check_media_changed instead of check_disk_change and
call idecd_revalidate_disk manually.  Given that idecd_revalidate_disk
only re-reads the TOC, and we already do the same at probe time, the
extra call into ->revalidate_disk from bdev_disk_changed is not required
either, so stop wiring up the method.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2020-09-08 16:53:40 +02:00 committed by Jens Axboe
parent faf041388c
commit a22be69d53
1 changed files with 3 additions and 2 deletions
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5
drivers/ide/ide-cd.c
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@ -56,6 +56,7 @@ static DEFINE_MUTEX(ide_cd_mutex);
static DEFINE_MUTEX(idecd_ref_mutex);
static void ide_cd_release(struct device *);
static int idecd_revalidate_disk(struct gendisk *disk);
static struct cdrom_info *ide_cd_get(struct gendisk *disk)
{
@ -1611,7 +1612,8 @@ static int idecd_open(struct block_device *bdev, fmode_t mode)
struct cdrom_info *info;
int rc = -ENXIO;
check_disk_change(bdev);
if (bdev_check_media_change(bdev))
idecd_revalidate_disk(bdev->bd_disk);
mutex_lock(&ide_cd_mutex);
info = ide_cd_get(bdev->bd_disk);
@ -1770,7 +1772,6 @@ static const struct block_device_operations idecd_ops = {
.compat_ioctl = IS_ENABLED(CONFIG_COMPAT) ?
idecd_compat_ioctl : NULL,
.check_events = idecd_check_events,
.revalidate_disk = idecd_revalidate_disk
};
/* module options */