writeback: track if we're sleeping on progress in balance_dirty_pages()
authorJens Axboe <axboe@fb.com>
Wed, 23 Mar 2016 04:47:06 +0000 (22:47 -0600)
committerJens Axboe <axboe@fb.com>
Mon, 28 Mar 2016 15:13:05 +0000 (09:13 -0600)
commit70e858656e7aac6bb945256765dc906807317912
tree8ce9b8fbb86146a35a4f1127db1867e017b21d78
parent46d270acefa8f268bc7c7375dad531843db3a54b
writeback: track if we're sleeping on progress in balance_dirty_pages()

Note in the bdi_writeback structure if a task is currently being
limited in balance_dirty_pages(), waiting for writeback to
proceed.

Signed-off-by: Jens Axboe <axboe@fb.com>
include/linux/backing-dev-defs.h
mm/page-writeback.c