On Mon, Nov 19, 2018 at 04:20:34PM +, fdman...@kernel.org wrote:
> From: Filipe Manana
>
> We have a race between enabling quotas end subvolume creation that cause
> subvolume creation to fail with -EINVAL, and the following diagram shows
> how it happens:
>
> CPU 0
On 2018/11/20 上午12:20, fdman...@kernel.org wrote:
> From: Filipe Manana
>
> We have a race between enabling quotas end subvolume creation that cause
> subvolume creation to fail with -EINVAL, and the following diagram shows
> how it happens:
>
> CPU 0
From: Filipe Manana
We have a race between enabling quotas end subvolume creation that cause
subvolume creation to fail with -EINVAL, and the following diagram shows
how it happens:
CPU 0 CPU 1
btrfs_ioctl()
btrfs_ioctl_quota_ctl()