diff options
| author | Jens Axboe <axboe@kernel.dk> | 2021-11-05 17:11:34 -0600 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2023-05-16 08:04:37 -0600 |
| commit | 9b1b58cacc65ecee29bd85988c9ff957a84b43f4 (patch) | |
| tree | 02e0325e5ddfb9ce43a7d0efdc3f0754fb5ed43f /io_uring/io_uring.c | |
| parent | caec5ebe77f97d948dcf46f07d622bda7f1f6dfd (diff) | |
| download | linux-9b1b58cacc65ecee29bd85988c9ff957a84b43f4.tar.gz | |
io_uring: remove sq/cq_off memset
We only have two reserved members we're not clearing, do so manually
instead. This is in preparation for using one of these members for
a new feature.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring/io_uring.c')
| -rw-r--r-- | io_uring/io_uring.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c index 7c426584e35a6..13a7fcec1df89 100644 --- a/io_uring/io_uring.c +++ b/io_uring/io_uring.c @@ -3866,7 +3866,6 @@ static __cold int io_uring_create(unsigned entries, struct io_uring_params *p, if (ret) goto err; - memset(&p->sq_off, 0, sizeof(p->sq_off)); p->sq_off.head = offsetof(struct io_rings, sq.head); p->sq_off.tail = offsetof(struct io_rings, sq.tail); p->sq_off.ring_mask = offsetof(struct io_rings, sq_ring_mask); @@ -3874,8 +3873,9 @@ static __cold int io_uring_create(unsigned entries, struct io_uring_params *p, p->sq_off.flags = offsetof(struct io_rings, sq_flags); p->sq_off.dropped = offsetof(struct io_rings, sq_dropped); p->sq_off.array = (char *)ctx->sq_array - (char *)ctx->rings; + p->sq_off.resv1 = 0; + p->sq_off.resv2 = 0; - memset(&p->cq_off, 0, sizeof(p->cq_off)); p->cq_off.head = offsetof(struct io_rings, cq.head); p->cq_off.tail = offsetof(struct io_rings, cq.tail); p->cq_off.ring_mask = offsetof(struct io_rings, cq_ring_mask); @@ -3883,6 +3883,8 @@ static __cold int io_uring_create(unsigned entries, struct io_uring_params *p, p->cq_off.overflow = offsetof(struct io_rings, cq_overflow); p->cq_off.cqes = offsetof(struct io_rings, cqes); p->cq_off.flags = offsetof(struct io_rings, cq_flags); + p->cq_off.resv1 = 0; + p->cq_off.resv2 = 0; p->features = IORING_FEAT_SINGLE_MMAP | IORING_FEAT_NODROP | IORING_FEAT_SUBMIT_STABLE | IORING_FEAT_RW_CUR_POS | |