block: struct device - replace bus_id with dev_name(), dev_set_name()

Cc: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

3 files changed, 7 insertions, 12 deletions

diff --git a/block/bsg.c b/block/bsg.c
index e73e50daf3d0..d414bb5607e8 100644
--- a/block/bsg.c
+++ b/block/bsg.c
@@ -42,7 +42,7 @@ struct bsg_device {
         int done_cmds;
         wait_queue_head_t wq_done;
         wait_queue_head_t wq_free;
-        char name[BUS_ID_SIZE];
+        char name[20];
         int max_queue;
         unsigned long flags;
 };
@@ -781,7 +781,7 @@ static struct bsg_device *bsg_add_device(struct inode *inode,
         mutex_lock(&bsg_mutex);
         hlist_add_head(&bd->dev_list, bsg_dev_idx_hash(iminor(inode)));
 
-        strncpy(bd->name, rq->bsg_dev.class_dev->bus_id, sizeof(bd->name) - 1);
+        strncpy(bd->name, dev_name(rq->bsg_dev.class_dev), sizeof(bd->name) - 1);
         dprintk("bound to <%s>, max queue %d\n",
                 format_dev_t(buf, inode->i_rdev), bd->max_queue);
 
@@ -992,7 +992,7 @@ int bsg_register_queue(struct request_queue *q, struct device *parent,
         if (name)
                 devname = name;
         else
-                devname = parent->bus_id;
+                devname = dev_name(parent);
 
         /*
          * we need a proper transport to send commands, not a stacked device
diff --git a/block/genhd.c b/block/genhd.c
index d84a7df1e2a0..397960cf26af 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -1084,7 +1084,7 @@ dev_t blk_lookup_devt(const char *name, int partno)
                 struct gendisk *disk = dev_to_disk(dev);
                 struct hd_struct *part;
 
-                if (strcmp(dev->bus_id, name))
+                if (strcmp(dev_name(dev), name))
                         continue;
 
                 part = disk_get_part(disk, partno);
diff --git a/fs/partitions/check.c b/fs/partitions/check.c
index 6d5b213b8a9b..5198ada67398 100644
--- a/fs/partitions/check.c
+++ b/fs/partitions/check.c
@@ -384,9 +384,9 @@ struct hd_struct *add_partition(struct gendisk *disk, int partno,
 
         dname = dev_name(ddev);
         if (isdigit(dname[strlen(dname) - 1]))
-                snprintf(pdev->bus_id, BUS_ID_SIZE, "%sp%d", dname, partno);
+                dev_set_name(pdev, "%sp%d", dname, partno);
         else
-                snprintf(pdev->bus_id, BUS_ID_SIZE, "%s%d", dname, partno);
+                dev_set_name(pdev, "%s%d", dname, partno);
 
         device_initialize(pdev);
         pdev->class = &block_class;
@@ -447,16 +447,11 @@ void register_disk(struct gendisk *disk)
         struct block_device *bdev;
         struct disk_part_iter piter;
         struct hd_struct *part;
-        char *s;
         int err;
 
         ddev->parent = disk->driverfs_dev;
 
-        strlcpy(ddev->bus_id, disk->disk_name, BUS_ID_SIZE);
-        /* ewww... some of these buggers have / in the name... */
-        s = strchr(ddev->bus_id, '/');
-        if (s)
-                *s = '!';
+        dev_set_name(ddev, disk->disk_name);
 
         /* delay uevents, until we scanned partition table */
         ddev->uevent_suppress = 1;