diff options
Diffstat (limited to 'fs/io-wq.c')
| -rw-r--r-- | fs/io-wq.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/fs/io-wq.c b/fs/io-wq.c index bf8ed1b0b90a..9a7aacc96d84 100644 --- a/fs/io-wq.c +++ b/fs/io-wq.c @@ -747,6 +747,17 @@ static bool io_wq_can_queue(struct io_wqe *wqe, struct io_wqe_acct *acct, return true; } +static void io_run_cancel(struct io_wq_work *work) +{ + do { + struct io_wq_work *old_work = work; + + work->flags |= IO_WQ_WORK_CANCEL; + work->func(&work); + work = (work == old_work) ? NULL : work; + } while (work); +} + static void io_wqe_enqueue(struct io_wqe *wqe, struct io_wq_work *work) { struct io_wqe_acct *acct = io_work_get_acct(wqe, work); @@ -760,8 +771,7 @@ static void io_wqe_enqueue(struct io_wqe *wqe, struct io_wq_work *work) * It's close enough to not be an issue, fork() has the same delay. */ if (unlikely(!io_wq_can_queue(wqe, acct, work))) { - work->flags |= IO_WQ_WORK_CANCEL; - work->func(&work); + io_run_cancel(work); return; } @@ -900,8 +910,7 @@ static enum io_wq_cancel io_wqe_cancel_cb_work(struct io_wqe *wqe, spin_unlock_irqrestore(&wqe->lock, flags); if (found) { - work->flags |= IO_WQ_WORK_CANCEL; - work->func(&work); + io_run_cancel(work); return IO_WQ_CANCEL_OK; } @@ -976,8 +985,7 @@ static enum io_wq_cancel io_wqe_cancel_work(struct io_wqe *wqe, spin_unlock_irqrestore(&wqe->lock, flags); if (found) { - work->flags |= IO_WQ_WORK_CANCEL; - work->func(&work); + io_run_cancel(work); return IO_WQ_CANCEL_OK; } |