io_uring: inline io_req_drop_files()

req->files now have same lifetime as all other iowq-work resources,
inline io_req_drop_files() for consistency. Moreover, since
REQ_F_INFLIGHT is no more files specific, the function name became
very confusing.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/fs/io_uring.c b/fs/io_uring.c
index 66d9f3f..9354e61 100644 (file)
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -1036,7 +1036,6 @@ static ssize_t io_import_iovec(int rw, struct io_kiocb *req,
 static int io_setup_async_rw(struct io_kiocb *req, const struct iovec *iovec,
                             const struct iovec *fast_iov,
                             struct iov_iter *iter, bool force);
-static void io_req_drop_files(struct io_kiocb *req);
 static void io_req_task_queue(struct io_kiocb *req);
 
 static struct kmem_cache *req_cachep;
@@ -1402,8 +1401,23 @@ static void io_req_clean_work(struct io_kiocb *req)
                        free_fs_struct(fs);
                req->work.flags &= ~IO_WQ_WORK_FS;
        }
-       if (req->flags & REQ_F_INFLIGHT)
-               io_req_drop_files(req);
+       if (req->work.flags & IO_WQ_WORK_FILES) {
+               put_files_struct(req->work.identity->files);
+               put_nsproxy(req->work.identity->nsproxy);
+               req->work.flags &= ~IO_WQ_WORK_FILES;
+       }
+       if (req->flags & REQ_F_INFLIGHT) {
+               struct io_ring_ctx *ctx = req->ctx;
+               struct io_uring_task *tctx = req->task->io_uring;
+               unsigned long flags;
+
+               spin_lock_irqsave(&ctx->inflight_lock, flags);
+               list_del(&req->inflight_entry);
+               spin_unlock_irqrestore(&ctx->inflight_lock, flags);
+               req->flags &= ~REQ_F_INFLIGHT;
+               if (atomic_read(&tctx->in_idle))
+                       wake_up(&tctx->wait);
+       }
 
        io_put_identity(req->task->io_uring, req);
 }
@@ -6164,25 +6178,6 @@ static int io_req_defer(struct io_kiocb *req, const struct io_uring_sqe *sqe)
        return -EIOCBQUEUED;
 }
 
-static void io_req_drop_files(struct io_kiocb *req)
-{
-       struct io_ring_ctx *ctx = req->ctx;
-       struct io_uring_task *tctx = req->task->io_uring;
-       unsigned long flags;
-
-       if (req->work.flags & IO_WQ_WORK_FILES) {
-               put_files_struct(req->work.identity->files);
-               put_nsproxy(req->work.identity->nsproxy);
-       }
-       spin_lock_irqsave(&ctx->inflight_lock, flags);
-       list_del(&req->inflight_entry);
-       spin_unlock_irqrestore(&ctx->inflight_lock, flags);
-       req->flags &= ~REQ_F_INFLIGHT;
-       req->work.flags &= ~IO_WQ_WORK_FILES;
-       if (atomic_read(&tctx->in_idle))
-               wake_up(&tctx->wait);
-}
-
 static void __io_clean_op(struct io_kiocb *req)
 {
        if (req->flags & REQ_F_BUFFER_SELECTED) {