Messages in this thread | | | From | Tomoki Sekiyama <> | Subject | Re: [PATCH v2 1/2] elevator: Fix a race in elevator switching and md device initialization | Date | Wed, 9 Oct 2013 22:36:39 +0000 |
| |
Hi all,
Is this patchset going to be merged into 3.12?
Thanks, -- Tomoki
On 9/23/13 16:14 , "Tejun Heo" <tj@kernel.org> wrote:
>Hello, > >On Mon, Sep 23, 2013 at 08:11:55PM +0000, Tomoki Sekiyama wrote: >> >Hmm... why aren't we just changing elevator_init() to grab sysfs_lock >> >where necessary? >> >> The locking cannot be moved into elevator_init() because it is called >> from elevator_switch() path, where the request_queue's sysfs_lock is >> already taken. >> >> > It'd be more consistent with elevator_exit() that way. >> >> What elevator_exit() locks is elevator_queue's sysfs_lock, not >> request_queue's sysfs_lock. What we need here is request_queue's >> sysfs_lock. > >Ah, okay. > > Reviewed-by: Tejun Heo <tj@kernel.org> > >Thanks. > >-- >tejun
| |