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block: add a cdrom_device_info pointer to struct gendisk

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Add a pointer to the CDROM information structure to struct gendisk.
This will allow various removable media file systems to call directly
into the CDROM layer instead of abusing ioctls with kernel pointers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig
2020-04-25 09:57:00 +02:00
committed by Jens Axboe
parent 21f3cfeab3
commit a711d91cd9
7 changed files with 18 additions and 8 deletions
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3
drivers/ide/ide-cd.c
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@@ -1305,8 +1305,7 @@ static int ide_cdrom_register(ide_drive_t *drive, int nslots)
if (drive->atapi_flags & IDE_AFLAG_NO_SPEED_SELECT)
devinfo->mask |= CDC_SELECT_SPEED;
devinfo->disk = info->disk;
return register_cdrom(devinfo);
return register_cdrom(info->disk, devinfo);
}
static int ide_cdrom_probe_capabilities(ide_drive_t *drive)