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authorDan Williams <dan.j.williams@intel.com>2016-06-15 19:43:07 -0700
committerDan Williams <dan.j.williams@intel.com>2016-06-27 12:26:08 -0700
commit52c44d93c26f5a76068c0a8cc83bb8f56f38043d (patch)
treef069a8e70d809c950a491c505faf460bb4b4fa62
parent0d52c756a665adc032c791307bc55e392b0186b3 (diff)
downloadlinux-0-day-52c44d93c26f5a76068c0a8cc83bb8f56f38043d.tar.gz
block: remove ->driverfs_dev
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 <axboe@fb.com> Cc: Ross Zwisler <ross.zwisler@linux.intel.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
-rw-r--r--block/genhd.c9
-rw-r--r--drivers/nvdimm/bus.c2
-rw-r--r--include/linux/genhd.h4
3 files changed, 4 insertions, 11 deletions
diff --git a/block/genhd.c b/block/genhd.c
index fb2d9ae..a18d353 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -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
diff --git a/drivers/nvdimm/bus.c b/drivers/nvdimm/bus.c
index f085f8b..5e4e5c7 100644
--- a/drivers/nvdimm/bus.c
+++ b/drivers/nvdimm/bus.c
@@ -312,7 +312,7 @@ EXPORT_SYMBOL(__nd_driver_register);
int nvdimm_revalidate_disk(struct gendisk *disk)
{
- struct device *dev = disk->driverfs_dev;
+ struct device *dev = disk_to_dev(disk)->parent;
struct nd_region *nd_region = to_nd_region(dev->parent);
const char *pol = nd_region->ro ? "only" : "write";
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index df1dabb..1dbf52f 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -205,7 +205,6 @@ struct gendisk {
void *private_data;
int flags;
- struct device *driverfs_dev; // FIXME: remove
struct kobject *slave_dir;
struct timer_rand_state *random;
@@ -417,8 +416,7 @@ extern void part_round_stats(int cpu, struct hd_struct *part);
extern void device_add_disk(struct device *parent, struct gendisk *disk);
static inline void add_disk(struct gendisk *disk)
{
- /* temporary while we convert callers to device_add_disk */
- device_add_disk(disk->driverfs_dev, disk);
+ device_add_disk(NULL, disk);
}
extern void del_gendisk(struct gendisk *gp);