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block: remove ->driverfs_dev

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Now that all drivers that specify a ->driverfs_dev have been converted
to device_add_disk(), the pointer can be removed from struct gendisk.

Cc: Jens Axboe <[email protected]>
Cc: Ross Zwisler <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Reviewed-by: Johannes Thumshirn <[email protected]>
Signed-off-by: Dan Williams <[email protected]>
This commit is contained in:
Dan Williams 2016-06-15 19:43:07 -07:00
commit 52c44d93c2
3 changed files with 4 additions and 11 deletions
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9
block/genhd.c
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@ -618,10 +618,6 @@ void device_add_disk(struct device *parent, struct gendisk *disk)
blk_register_region(disk_devt(disk), disk->minors, NULL,
exact_match, exact_lock, disk);
/* temporary while we convert usages to use disk_to_dev(disk)->parent */
disk->driverfs_dev = parent;
register_disk(parent, disk);
blk_register_queue(disk);
@ -804,10 +800,9 @@ void __init printk_all_partitions(void)
, disk_name(disk, part->partno, name_buf),
part->info ? part->info->uuid : "");
if (is_part0) {
if (disk->driverfs_dev != NULL &&
disk->driverfs_dev->driver != NULL)
if (dev->parent && dev->parent->driver)
printk(" driver: %s\n",
disk->driverfs_dev->driver->name);
dev->parent->driver->name);
else
printk(" (driver?)\n");
} else