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


On Fri, 12 May 2006, Al Viro wrote:
>
> PS: it _is_ OK to trigger than puppy from add_disk()/del_gendisk() and in
> between. I'm not sure if anyone needs it for anything, though. Triggering
> it from bdev_uevent() is definitely bogus.

Wouldn't it be perfectly ok if we just made sure to keep the disk device
refcount elevated by the _mount_?

Ie Russell's patch to elevate it around everything didn't work, but
elevating the bdev->bd_disk reference count by a mount, and dropping it on
umount (after doing the umount event) should be ok. No?

Linus
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