diff options
Diffstat (limited to 'block/io_uring.c')
| -rw-r--r-- | block/io_uring.c | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/block/io_uring.c b/block/io_uring.c index f52b66b340..dd4f304910 100644 --- a/block/io_uring.c +++ b/block/io_uring.c @@ -335,15 +335,24 @@ static void luring_deferred_fn(void *opaque) * */ static int luring_do_submit(int fd, LuringAIOCB *luringcb, LuringState *s, - uint64_t offset, int type) + uint64_t offset, int type, BdrvRequestFlags flags) { int ret; struct io_uring_sqe *sqes = &luringcb->sqeq; switch (type) { case QEMU_AIO_WRITE: +#ifdef HAVE_IO_URING_PREP_WRITEV2 + { + int luring_flags = (flags & BDRV_REQ_FUA) ? RWF_DSYNC : 0; + io_uring_prep_writev2(sqes, fd, luringcb->qiov->iov, + luringcb->qiov->niov, offset, luring_flags); + } +#else + assert(flags == 0); io_uring_prep_writev(sqes, fd, luringcb->qiov->iov, luringcb->qiov->niov, offset); +#endif break; case QEMU_AIO_ZONE_APPEND: io_uring_prep_writev(sqes, fd, luringcb->qiov->iov, @@ -380,7 +389,8 @@ static int luring_do_submit(int fd, LuringAIOCB *luringcb, LuringState *s, } int coroutine_fn luring_co_submit(BlockDriverState *bs, int fd, uint64_t offset, - QEMUIOVector *qiov, int type) + QEMUIOVector *qiov, int type, + BdrvRequestFlags flags) { int ret; AioContext *ctx = qemu_get_current_aio_context(); @@ -393,7 +403,7 @@ int coroutine_fn luring_co_submit(BlockDriverState *bs, int fd, uint64_t offset, }; trace_luring_co_submit(bs, s, &luringcb, fd, offset, qiov ? qiov->size : 0, type); - ret = luring_do_submit(fd, &luringcb, s, offset, type); + ret = luring_do_submit(fd, &luringcb, s, offset, type, flags); if (ret < 0) { return ret; @@ -448,3 +458,12 @@ void luring_cleanup(LuringState *s) trace_luring_cleanup_state(s); g_free(s); } + +bool luring_has_fua(void) +{ +#ifdef HAVE_IO_URING_PREP_WRITEV2 + return true; +#else + return false; +#endif +} |