ms in straightforward way: refuse queuing too
many works in btrfs_wq_run_delayed_node and bail out of worker func if
at least BTRFS_DELAYED_WRITEBACK items are processed.
Changed in v2: remove support of thresh == NO_THRESHOLD.
Signed-off-by: Maxim Patlasov
---
fs/btrfs/async-thread.c | 14 ++
On 12/12/2016 06:54 AM, David Sterba wrote:
On Fri, Dec 02, 2016 at 05:51:36PM -0800, Maxim Patlasov wrote:
Problem statement: unprivileged user who has read-write access to more than
one btrfs subvolume may easily consume all kernel memory (eventually
triggering oom-killer).
Reproducer
ms in straightforward way: refuse queuing too
many works in btrfs_wq_run_delayed_node and bail out of worker func if
at least BTRFS_DELAYED_WRITEBACK items are processed.
Signed-off-by: Maxim Patlasov
---
fs/btrfs/async-thread.c |8
fs/btrfs/async-thread.h |1 +
fs/btrfs/delay
