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| author | Roman Penyaev <rpenyaev@suse.de> | 2019-05-27 21:05:09 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2019-05-27 14:54:14 -0600 |
| commit | df23d2dec286697dd73568faf142466e8067844a (patch) | |
| tree | 7562ea83aeb3a5e22c6f04b8257b03167c540fe8 /src/setup.c | |
| parent | d1432b199a541f3ef2e49778fc05a5f5e251a96d (diff) | |
| download | liburing-df23d2dec286697dd73568faf142466e8067844a.tar.gz liburing-df23d2dec286697dd73568faf142466e8067844a.tar.bz2 | |
liburing,queue,setup: handle IORING_SQ_NEED_WAKEUP for io_uring_submit()
Enter kernel only if SQ thread is off or wakeup is needed.
Signed-off-by: Roman Penyaev <rpenyaev@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'src/setup.c')
| -rw-r--r-- | src/setup.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/setup.c b/src/setup.c index 73f35de..9da3c19 100644 --- a/src/setup.c +++ b/src/setup.c @@ -69,8 +69,10 @@ int io_uring_queue_mmap(int fd, struct io_uring_params *p, struct io_uring *ring memset(ring, 0, sizeof(*ring)); ret = io_uring_mmap(fd, p, &ring->sq, &ring->cq); - if (!ret) + if (!ret) { + ring->flags = p->flags; ring->ring_fd = fd; + } return ret; } |