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block: clarify badblocks lifetime

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The badblocks list attached to a gendisk is allocated by the driver
which equates to the driver owning the lifetime of the object.  Do not
automatically free it in del_gendisk(). This is in preparation for
expanding the use of badblocks in libnvdimm drivers and introducing
devm_init_badblocks().

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dan Williams
2016-01-06 12:03:41 -08:00
parent d3b407fb3f
commit 20a308f09e
2 changed files with 2 additions and 5 deletions
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block/genhd.c
-5
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@@ -670,11 +670,6 @@ void del_gendisk(struct gendisk *disk)
blk_unregister_queue(disk);
blk_unregister_region(disk_devt(disk), disk->minors);
if (disk->bb) {
badblocks_exit(disk->bb);
kfree(disk->bb);
}
part_stat_set_all(&disk->part0, 0);
disk->part0.stamp = 0;