diff options
Diffstat (limited to 'block/genhd.c')
| -rw-r--r-- | block/genhd.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/block/genhd.c b/block/genhd.c index 656c2c7abf9..e0ce23ac2ec 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -190,7 +190,6 @@ void add_disk(struct gendisk *disk) disk->minors, NULL, exact_match, exact_lock, disk); register_disk(disk); blk_register_queue(disk); - blk_register_filter(disk); bdi = &disk->queue->backing_dev_info; bdi_register_dev(bdi, MKDEV(disk->major, disk->first_minor)); @@ -203,7 +202,6 @@ EXPORT_SYMBOL(del_gendisk); /* in partitions/check.c */ void unlink_gendisk(struct gendisk *disk) { - blk_unregister_filter(disk); sysfs_remove_link(&disk->dev.kobj, "bdi"); bdi_unregister(&disk->queue->backing_dev_info); blk_unregister_queue(disk); @@ -309,7 +307,7 @@ static void *part_start(struct seq_file *part, loff_t *pos) loff_t k = *pos; if (!k) - seq_puts(part, "major minor #blocks name\n\n"); + part->private = (void *)1LU; /* tell show to print header */ mutex_lock(&block_class_lock); dev = class_find_device(&block_class, NULL, &k, find_start); @@ -351,6 +349,17 @@ static int show_partition(struct seq_file *part, void *v) int n; char buf[BDEVNAME_SIZE]; + /* + * Print header if start told us to do. This is to preserve + * the original behavior of not printing header if no + * partition exists. This hackery will be removed later with + * class iteration clean up. + */ + if (part->private) { + seq_puts(part, "major minor #blocks name\n\n"); + part->private = NULL; + } + /* Don't show non-partitionable removeable devices or empty devices */ if (!get_capacity(sgp) || (sgp->minors == 1 && (sgp->flags & GENHD_FL_REMOVABLE))) |