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[Qemu-devel] [PATCH v7 06/15] util/async: add aio interfaces for io_urin
From: |
Aarushi Mehta |
Subject: |
[Qemu-devel] [PATCH v7 06/15] util/async: add aio interfaces for io_uring |
Date: |
Mon, 29 Jul 2019 20:46:42 +0530 |
Signed-off-by: Aarushi Mehta <address@hidden>
Reviewed-by: Stefan Hajnoczi <address@hidden>
---
util/async.c | 36 ++++++++++++++++++++++++++++++++++++
1 file changed, 36 insertions(+)
diff --git a/util/async.c b/util/async.c
index 8d2105729c..2e0a5e20ac 100644
--- a/util/async.c
+++ b/util/async.c
@@ -276,6 +276,14 @@ aio_ctx_finalize(GSource *source)
}
#endif
+#ifdef CONFIG_LINUX_IO_URING
+ if (ctx->linux_io_uring) {
+ luring_detach_aio_context(ctx->linux_io_uring, ctx);
+ luring_cleanup(ctx->linux_io_uring);
+ ctx->linux_io_uring = NULL;
+ }
+#endif
+
assert(QSLIST_EMPTY(&ctx->scheduled_coroutines));
qemu_bh_delete(ctx->co_schedule_bh);
@@ -340,6 +348,29 @@ LinuxAioState *aio_get_linux_aio(AioContext *ctx)
}
#endif
+#ifdef CONFIG_LINUX_IO_URING
+LuringState *aio_setup_linux_io_uring(AioContext *ctx, Error **errp)
+{
+ if (ctx->linux_io_uring) {
+ return ctx->linux_io_uring;
+ }
+
+ ctx->linux_io_uring = luring_init(errp);
+ if (!ctx->linux_io_uring) {
+ return NULL;
+ }
+
+ luring_attach_aio_context(ctx->linux_io_uring, ctx);
+ return ctx->linux_io_uring;
+}
+
+LuringState *aio_get_linux_io_uring(AioContext *ctx)
+{
+ assert(ctx->linux_io_uring);
+ return ctx->linux_io_uring;
+}
+#endif
+
void aio_notify(AioContext *ctx)
{
/* Write e.g. bh->scheduled before reading ctx->notify_me. Pairs
@@ -431,6 +462,11 @@ AioContext *aio_context_new(Error **errp)
#ifdef CONFIG_LINUX_AIO
ctx->linux_aio = NULL;
#endif
+
+#ifdef CONFIG_LINUX_IO_URING
+ ctx->linux_io_uring = NULL;
+#endif
+
ctx->thread_pool = NULL;
qemu_rec_mutex_init(&ctx->lock);
timerlistgroup_init(&ctx->tlg, aio_timerlist_notify, ctx);
--
2.21.0
- [Qemu-devel] [PATCH v7 00/15] Add support for io_uring, Aarushi Mehta, 2019/07/29
- [Qemu-devel] [PATCH v7 01/15] configure: permit use of io_uring, Aarushi Mehta, 2019/07/29
- [Qemu-devel] [PATCH v7 02/15] qapi/block-core: add option for io_uring, Aarushi Mehta, 2019/07/29
- [Qemu-devel] [PATCH v7 03/15] block/block: add BDRV flag for io_uring, Aarushi Mehta, 2019/07/29
- [Qemu-devel] [PATCH v7 04/15] block/io_uring: implements interfaces for io_uring, Aarushi Mehta, 2019/07/29
- [Qemu-devel] [PATCH v7 05/15] stubs: add stubs for io_uring interface, Aarushi Mehta, 2019/07/29
- [Qemu-devel] [PATCH v7 06/15] util/async: add aio interfaces for io_uring,
Aarushi Mehta <=
- [Qemu-devel] [PATCH v7 07/15] blockdev: adds bdrv_parse_aio to use io_uring, Aarushi Mehta, 2019/07/29
- [Qemu-devel] [PATCH v7 08/15] block/file-posix.c: extend to use io_uring, Aarushi Mehta, 2019/07/29
- [Qemu-devel] [PATCH v7 09/15] block: add trace events for io_uring, Aarushi Mehta, 2019/07/29
- [Qemu-devel] [PATCH v7 10/15] block/io_uring: adds userspace completion polling, Aarushi Mehta, 2019/07/29
- [Qemu-devel] [PATCH v7 11/15] qemu-io: adds option to use aio engine, Aarushi Mehta, 2019/07/29
- [Qemu-devel] [PATCH v7 12/15] qemu-img: adds option to use aio engine for benchmarking, Aarushi Mehta, 2019/07/29
- [Qemu-devel] [PATCH v7 13/15] qemu-nbd: adds option for aio engines, Aarushi Mehta, 2019/07/29