Re: [BUG 2.6.17-git] kmem_cache_create: duplicate cache scsi_cmd_cache

[Al Viro]

On Sat, May 13, 2006 at 12:21:31AM +0100, Al Viro wrote:
> The problem is with disk->driverfs_dev, not disk itself.  Block layer
> has no fscking business touching it after del_gendisk() - if nothing else,
> we might have _no_ underlying object at all from the very beginning.
> 
> So anything that wants events related to partitions, let alone mounting,
> can't expect to see PHYSDEV... crap.  Moreover, it can bloody well
> get to PHYSDEV... itself *if* it wants to and if it's there.  There's
> a reason why we have that symlink in sys/block/<device> and userland can
> bloody well access it on its own.

BTW, the best option is to kill bdev_uevent() again.  Short of that,
skip PHYSDEV mess if disk doesn't have GENHD_FL_UP.
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