4.4-stable review patch. If anyone has any objections, please let me know.
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From: Kaixu Xia xiakaixu@huawei.com
commit c877ef8ae7b8edaedccad0fc8c23d4d1de7e2480 upstream.
The right variable definition should be wb_congested_state that include WB_async_congested and WB_sync_congested. So fix it.
Signed-off-by: Kaixu Xia xiakaixu@huawei.com Acked-by: Tejun Heo tj@kernel.org Signed-off-by: Jens Axboe axboe@fb.com Cc: Nathan Chancellor natechancellor@gmail.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- mm/backing-dev.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
--- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -922,7 +922,7 @@ static atomic_t nr_wb_congested[2]; void clear_wb_congested(struct bdi_writeback_congested *congested, int sync) { wait_queue_head_t *wqh = &congestion_wqh[sync]; - enum wb_state bit; + enum wb_congested_state bit;
bit = sync ? WB_sync_congested : WB_async_congested; if (test_and_clear_bit(bit, &congested->state)) @@ -935,7 +935,7 @@ EXPORT_SYMBOL(clear_wb_congested);
void set_wb_congested(struct bdi_writeback_congested *congested, int sync) { - enum wb_state bit; + enum wb_congested_state bit;
bit = sync ? WB_sync_congested : WB_async_congested; if (!test_and_set_bit(bit, &congested->state))