diff options
| author |   Pavel Begunkov <asml.silence@gmail.com> | 2020-09-30 22:57:53 +0300 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2020-09-30 20:38:46 -0600 |
| commit | a88fc400212fc1d8aa9ca4979f898fd04ca3aab5 (patch) | |
| tree | d304a6d9fda669ae000fafca5c15fed4a80acb27 /fs/io_uring.c | |
| parent | io_uring: remove F_NEED_CLEANUP check in *prep() (diff) | |
| download | linux-dev-a88fc400212fc1d8aa9ca4979f898fd04ca3aab5.tar.xz linux-dev-a88fc400212fc1d8aa9ca4979f898fd04ca3aab5.zip | |
io_uring: set/clear IOCB_NOWAIT into io_read/write
Move setting IOCB_NOWAIT from io_prep_rw() into io_read()/io_write(), so
it's set/cleared in a single place. Also remove @force_nonblock
parameter from io_prep_rw().
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs/io_uring.c')
| -rw-r--r-- | fs/io_uring.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c index c0248dc3cdf5..32053ad84d1a 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -2633,8 +2633,7 @@ static bool io_file_supports_async(struct file *file, int rw) return file->f_op->write_iter != NULL; } -static int io_prep_rw(struct io_kiocb *req, const struct io_uring_sqe *sqe, - bool force_nonblock) +static int io_prep_rw(struct io_kiocb *req, const struct io_uring_sqe *sqe) { struct io_ring_ctx *ctx = req->ctx; struct kiocb *kiocb = &req->rw.kiocb; @@ -2669,9 +2668,6 @@ static int io_prep_rw(struct io_kiocb *req, const struct io_uring_sqe *sqe, if (kiocb->ki_flags & IOCB_NOWAIT) req->flags |= REQ_F_NOWAIT; - if (force_nonblock) - kiocb->ki_flags |= IOCB_NOWAIT; - if (ctx->flags & IORING_SETUP_IOPOLL) { if (!(kiocb->ki_flags & IOCB_DIRECT) || !kiocb->ki_filp->f_op->iopoll) @@ -3149,7 +3145,7 @@ static int io_read_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe, { ssize_t ret; - ret = io_prep_rw(req, sqe, force_nonblock); + ret = io_prep_rw(req, sqe); if (ret) return ret; @@ -3284,6 +3280,9 @@ static int io_read(struct io_kiocb *req, bool force_nonblock, /* Ensure we clear previously set non-block flag */ if (!force_nonblock) kiocb->ki_flags &= ~IOCB_NOWAIT; + else + kiocb->ki_flags |= IOCB_NOWAIT; + /* If the file doesn't support async, just async punt */ no_async = force_nonblock && !io_file_supports_async(req->file, READ); @@ -3373,7 +3372,7 @@ static int io_write_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe, { ssize_t ret; - ret = io_prep_rw(req, sqe, force_nonblock); + ret = io_prep_rw(req, sqe); if (ret) return ret; @@ -3408,7 +3407,9 @@ static int io_write(struct io_kiocb *req, bool force_nonblock, /* Ensure we clear previously set non-block flag */ if (!force_nonblock) - req->rw.kiocb.ki_flags &= ~IOCB_NOWAIT; + kiocb->ki_flags &= ~IOCB_NOWAIT; + else + kiocb->ki_flags |= IOCB_NOWAIT; /* If the file doesn't support async, just async punt */ if (force_nonblock && !io_file_supports_async(req->file, WRITE)) |