From: Aarushi Mehta <mehta.aaru20@gmail.com>
To: qemu-devel@nongnu.org
Cc: Fam Zheng <fam@euphon.net>, Kevin Wolf <kwolf@redhat.com>,
qemu-block@nongnu.org, Sergio Lopez <slp@redhat.com>,
Markus Armbruster <armbru@redhat.com>,
Maxim Levitsky <mlevitsk@redhat.com>,
saket.sinha89@gmail.com, Max Reitz <mreitz@redhat.com>,
Stefan Hajnoczi <stefanha@redhat.com>,
Paolo Bonzini <pbonzini@redhat.com>,
Stefan Hajnoczi <stefan@redhat.com>,
Julia Suvorova <jusual@mail.ru>,
Aarushi Mehta <mehta.aaru20@gmail.com>
Subject: [Qemu-devel] [PATCH v6 06/14] util/async: add aio interfaces for io_uring
Date: Fri, 19 Jul 2019 19:05:22 +0530 [thread overview]
Message-ID: <20190719133530.28688-7-mehta.aaru20@gmail.com> (raw)
In-Reply-To: <20190719133530.28688-1-mehta.aaru20@gmail.com>
Signed-off-by: Aarushi Mehta <mehta.aaru20@gmail.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
---
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
next prev parent reply other threads:[~2019-07-19 13:37 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-19 13:35 [Qemu-devel] [PATCH v6 00/14] Add support for io_uring Aarushi Mehta
2019-07-19 13:35 ` [Qemu-devel] [PATCH v6 01/14] configure: permit use of io_uring Aarushi Mehta
2019-07-19 13:35 ` [Qemu-devel] [PATCH v6 02/14] qapi/block-core: add option for io_uring Aarushi Mehta
2019-07-19 15:20 ` Stefan Hajnoczi
2019-07-19 15:49 ` Eric Blake
2019-07-19 13:35 ` [Qemu-devel] [PATCH v6 03/14] block/block: add BDRV flag " Aarushi Mehta
2019-07-19 13:35 ` [Qemu-devel] [PATCH v6 04/14] block/io_uring: implements interfaces " Aarushi Mehta
2019-07-19 15:34 ` Stefan Hajnoczi
2019-07-19 13:35 ` [Qemu-devel] [PATCH v6 05/14] stubs: add stubs for io_uring interface Aarushi Mehta
2019-07-19 13:35 ` Aarushi Mehta [this message]
2019-07-19 13:35 ` [Qemu-devel] [PATCH v6 07/14] blockdev: accept io_uring as option Aarushi Mehta
2019-07-19 15:36 ` Stefan Hajnoczi
2019-07-19 13:35 ` [Qemu-devel] [PATCH v6 08/14] block/file-posix.c: extend to use io_uring Aarushi Mehta
2019-07-19 15:36 ` Stefan Hajnoczi
2019-07-19 13:35 ` [Qemu-devel] [PATCH v6 09/14] block: add trace events for io_uring Aarushi Mehta
2019-07-19 15:37 ` Stefan Hajnoczi
2019-07-19 13:35 ` [Qemu-devel] [PATCH v6 10/14] block/io_uring: adds userspace completion polling Aarushi Mehta
2019-07-19 15:39 ` Stefan Hajnoczi
2019-07-19 13:35 ` [Qemu-devel] [PATCH v6 11/14] qemu-io: adds option to use aio engine Aarushi Mehta
2019-07-19 15:41 ` Stefan Hajnoczi
2019-07-19 15:44 ` Daniel P. Berrangé
2019-07-24 16:42 ` Julia Suvorova
2019-07-19 13:35 ` [Qemu-devel] [PATCH v6 12/14] qemu-img: " Aarushi Mehta
2019-07-19 15:42 ` Stefan Hajnoczi
2019-07-19 13:35 ` [Qemu-devel] [PATCH v6 13/14] qemu-nbd: adds option for aio engines Aarushi Mehta
2019-07-19 15:43 ` Stefan Hajnoczi
2019-07-19 15:55 ` Eric Blake
2019-07-19 13:35 ` [Qemu-devel] [PATCH v6 14/14] qemu-iotest: enable testing with qemu-io aio options Aarushi Mehta
2019-07-19 15:54 ` Stefan Hajnoczi
2019-07-24 16:49 ` Julia Suvorova
2019-07-19 22:33 ` [Qemu-devel] [PATCH v6 00/14] Add support for io_uring no-reply
2019-07-19 23:25 ` no-reply
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