Re: [PATCH] bcache: Fix a shrinker deadlock

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, Sep 04, 2013 at 04:35:50PM -0700, kernel neophyte wrote:
> On Fri, Aug 30, 2013 at 2:15 PM, Kent Overstreet <kmo@xxxxxxxxxxxxx> wrote:
> > GFP_NOIO means we could be getting called recursively - mca_alloc() ->
> > mca_data_alloc() - definitely can't use mutex_lock(bucket_lock) then.
> > Whoops.
> >
> > Signed-off-by: Kent Overstreet <kmo@xxxxxxxxxxxxx>
> 
> Awesome! I tested the fix... no crashes/deadlock.
> But I see lower benchmark numbers for random write.. is this expected
> for this change ?

No... how much lower?
--
To unsubscribe from this list: send the line "unsubscribe linux-bcache" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Linux ARM Kernel]     [Linux Filesystem Development]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [IETF Annouce]     [Security]     [Bugtraq]     [Linux OMAP]     [Linux MIPS]     [ECOS]     [Asterisk Internet PBX]     [Linux API]

  Powered by Linux