On Fri, Oct 12, 2018 at 10:03:55AM +0100, fdman...@kernel.org wrote:
> From: Filipe Manana
>
> When writing out a block group free space cache we can end deadlocking
> with ourseves on an extent buffer lock resulting in a warning like the
> following:
>
> [245043.379979] WARNING: CPU: 4 PID:
On Fri, Oct 12, 2018 at 10:03:55AM +0100, fdman...@kernel.org wrote:
> From: Filipe Manana
>
> When writing out a block group free space cache we can end deadlocking
> with ourseves on an extent buffer lock resulting in a warning like the
> following:
>
> [245043.379979] WARNING: CPU: 4 PID:
From: Filipe Manana
When writing out a block group free space cache we can end deadlocking
with ourseves on an extent buffer lock resulting in a warning like the
following:
[245043.379979] WARNING: CPU: 4 PID: 2608 at fs/btrfs/locking.c:251
btrfs_tree_lock+0x1be/0x1d0 [btrfs]