qemu-devel
[Top][All Lists]
Advanced

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

Re: [Qemu-devel] [PATCH v2 for-2.1] linux-aio: Fix laio resource leak


From: Stefan Hajnoczi
Subject: Re: [Qemu-devel] [PATCH v2 for-2.1] linux-aio: Fix laio resource leak
Date: Mon, 14 Jul 2014 10:12:36 +0200
User-agent: Mutt/1.5.23 (2014-03-12)

On Sat, Jul 12, 2014 at 11:43:37AM +0800, address@hidden wrote:
> From: Gonglei <address@hidden>
> 
> when hotplug virtio-scsi disks using laio, the aio_nr will
> increase in laio_init() by io_setup(), we can see the number by
>   # cat /proc/sys/fs/aio-nr
>   128
> if the aio_nr attach the maxnum, which found from
>   # cat /proc/sys/fs/aio-max-nr
>   65536
> the hotplug process will fail because of aio context leak.
> 
> Fix it by io_destroy in laio_cleanup().
> 
> Reported-by: daifulai <address@hidden>
> Signed-off-by: Gonglei <address@hidden>
> ---
>  v2: small spelling fixes.
> ---
>  block/linux-aio.c | 5 +++++
>  1 file changed, 5 insertions(+)

Thanks, applied to my block tree:
https://github.com/stefanha/qemu/commits/block

Stefan

Attachment: pgpaLRLbVwJ3o.pgp
Description: PGP signature


reply via email to

[Prev in Thread] Current Thread [Next in Thread]