Messages in this thread |  | | | Date | Thu, 15 May 2008 12:54:57 -0700 (PDT) | | From | Linus Torvalds <> | | Subject | Re: [BUG] mm: bdi: export BDI attributes in sysfs | |
On Thu, 15 May 2008, Miklos Szeredi wrote:
>
> Actually nothing should need protection. The only problem AFAICS is
> that the device_create()/dev_set_drvdata() interface is racy: somebody
> can come in after the device has been created but before drvdata has
> been set, and then we are in trouble.
Well, I'm not sure that the locking should be at that level. Maybe the
locking *should* be in the driver that does this. It may need to do other
setup too, after all.
Of course, doing a device_create_drvdata() thing might be the right
solution, at least part of the time. Greg?
Linus
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