From: Jens Axboe Date: Sat, 15 Jun 2024 00:34:50 +0000 (-0600) Subject: io_uring/rsrc: remove redundant __set_current_state() post schedule() X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=11d194669271642a5d1bfff6c8011478309e7849;p=linux.git io_uring/rsrc: remove redundant __set_current_state() post schedule() We're guaranteed to be in a TASK_RUNNING state post schedule, so we never need to set the state after that. While in there, remove the other __set_current_state() as well, and just call finish_wait() when we now we're going to break anyway. This is easier to grok than manual __set_current_state() calls. Reported-by: Linus Torvalds Signed-off-by: Jens Axboe --- diff --git a/io_uring/rsrc.c b/io_uring/rsrc.c index e89c5e2326a2..60c00144471a 100644 --- a/io_uring/rsrc.c +++ b/io_uring/rsrc.c @@ -224,7 +224,7 @@ __cold static int io_rsrc_ref_quiesce(struct io_rsrc_data *data, ret = io_run_task_work_sig(ctx); if (ret < 0) { - __set_current_state(TASK_RUNNING); + finish_wait(&ctx->rsrc_quiesce_wq, &we); mutex_lock(&ctx->uring_lock); if (list_empty(&ctx->rsrc_ref_list)) ret = 0; @@ -232,7 +232,6 @@ __cold static int io_rsrc_ref_quiesce(struct io_rsrc_data *data, } schedule(); - __set_current_state(TASK_RUNNING); mutex_lock(&ctx->uring_lock); ret = 0; } while (!list_empty(&ctx->rsrc_ref_list));