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author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-09-26 21:13:51 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-09-26 21:13:51 +0300 |
commit | 692495baa377e373cc9cd930af03e9b8b77eacdf (patch) | |
tree | 6595b27afb2d2b6fba1a948a924a1f08bf0344f2 | |
parent | 9d2fbaefb3b049772b468447ed427204789ea9a5 (diff) | |
parent | f38c7e3abfba9a9e180b34f642254c43782e7ffe (diff) | |
download | linux-692495baa377e373cc9cd930af03e9b8b77eacdf.tar.xz |
Merge tag 'io_uring-5.9-2020-09-25' of git://git.kernel.dk/linux-block
Pull io_uring fixes from Jens Axboe:
"Two fixes for regressions in this cycle, and one that goes to 5.8
stable:
- fix leak of getname() retrieved filename
- remove plug->nowait assignment, fixing a regression with btrfs
- fix for async buffered retry"
* tag 'io_uring-5.9-2020-09-25' of git://git.kernel.dk/linux-block:
io_uring: ensure async buffered read-retry is setup properly
io_uring: don't unconditionally set plug->nowait = true
io_uring: ensure open/openat2 name is cleaned on cancelation
-rw-r--r-- | fs/io_uring.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c index 8b426aa29668..eed0d068904c 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -3172,10 +3172,8 @@ static int io_read(struct io_kiocb *req, bool force_nonblock, goto done; /* some cases will consume bytes even on error returns */ iov_iter_revert(iter, iov_count - iov_iter_count(iter)); - ret = io_setup_async_rw(req, iovec, inline_vecs, iter, false); - if (ret) - goto out_free; - return -EAGAIN; + ret = 0; + goto copy_iov; } else if (ret < 0) { /* make sure -ERESTARTSYS -> -EINTR is done */ goto done; @@ -5671,6 +5669,11 @@ static void __io_clean_op(struct io_kiocb *req) io_put_file(req, req->splice.file_in, (req->splice.flags & SPLICE_F_FD_IN_FIXED)); break; + case IORING_OP_OPENAT: + case IORING_OP_OPENAT2: + if (req->open.filename) + putname(req->open.filename); + break; } req->flags &= ~REQ_F_NEED_CLEANUP; } @@ -6348,9 +6351,6 @@ static void io_submit_state_start(struct io_submit_state *state, struct io_ring_ctx *ctx, unsigned int max_ios) { blk_start_plug(&state->plug); -#ifdef CONFIG_BLOCK - state->plug.nowait = true; -#endif state->comp.nr = 0; INIT_LIST_HEAD(&state->comp.list); state->comp.ctx = ctx; |