From: Stefan Hajnoczi <stefanha@redhat.com>
To: qemu-devel@nongnu.org
Cc: Fam Zheng <fam@euphon.net>,
oleksandr@redhat.com, qemu-block@nongnu.org,
Julia Suvorova <jusual@redhat.com>,
Markus Armbruster <armbru@redhat.com>,
Max Reitz <mreitz@redhat.com>,
Stefan Hajnoczi <stefanha@redhat.com>,
Paolo Bonzini <pbonzini@redhat.com>,
Kevin Wolf <kwolf@redhat.com>,
Aarushi Mehta <mehta.aaru20@gmail.com>
Subject: [PATCH v2 06/15] util/async: add aio interfaces for io_uring
Date: Fri, 25 Oct 2019 18:04:35 +0200 [thread overview]
Message-ID: <20191025160444.31632-7-stefanha@redhat.com> (raw)
In-Reply-To: <20191025160444.31632-1-stefanha@redhat.com>
From: Aarushi Mehta <mehta.aaru20@gmail.com>
Signed-off-by: Aarushi Mehta <mehta.aaru20@gmail.com>
Signed-off-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 ca83e32c7f..c9880e1812 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
@@ -435,6 +466,11 @@ 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:[~2019-10-25 16:34 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-25 16:04 [PATCH v2 00/15] io_uring: add Linux io_uring AIO engine Stefan Hajnoczi
2019-10-25 16:04 ` [PATCH v2 01/15] configure: permit use of io_uring Stefan Hajnoczi
2019-10-25 16:04 ` [PATCH v2 02/15] qapi/block-core: add option for io_uring Stefan Hajnoczi
2019-10-25 19:09 ` Markus Armbruster
2019-10-25 16:04 ` [PATCH v2 03/15] block/block: add BDRV flag " Stefan Hajnoczi
2019-11-11 10:57 ` Kevin Wolf
2019-11-11 16:25 ` Max Reitz
2019-11-13 11:42 ` Stefan Hajnoczi
2019-10-25 16:04 ` [PATCH v2 04/15] block/io_uring: implements interfaces " Stefan Hajnoczi
2019-10-25 16:04 ` [PATCH v2 05/15] stubs: add stubs for io_uring interface Stefan Hajnoczi
2019-11-11 11:13 ` Kevin Wolf
2019-11-13 11:42 ` Stefan Hajnoczi
2019-12-03 11:16 ` Stefan Hajnoczi
2019-12-03 14:28 ` Kevin Wolf
2019-12-03 15:55 ` Paolo Bonzini
2019-10-25 16:04 ` Stefan Hajnoczi [this message]
2019-10-25 16:04 ` [PATCH v2 07/15] blockdev: adds bdrv_parse_aio to use io_uring Stefan Hajnoczi
2019-10-25 16:04 ` [PATCH v2 08/15] block/file-posix.c: extend " Stefan Hajnoczi
2019-10-25 16:04 ` [PATCH v2 09/15] block: add trace events for io_uring Stefan Hajnoczi
2019-10-25 16:04 ` [PATCH v2 10/15] block/io_uring: adds userspace completion polling Stefan Hajnoczi
2019-10-25 16:04 ` [PATCH v2 11/15] qemu-io: adds option to use aio engine Stefan Hajnoczi
2019-10-25 16:04 ` [PATCH v2 12/15] qemu-img: adds option to use aio engine for benchmarking Stefan Hajnoczi
2019-10-25 16:04 ` [PATCH v2 13/15] qemu-nbd: adds option for aio engines Stefan Hajnoczi
2019-10-25 16:04 ` [PATCH v2 14/15] tests/qemu-iotests: enable testing with aio options Stefan Hajnoczi
2019-10-25 16:04 ` [PATCH v2 15/15] tests/qemu-iotests: use AIOMODE with various tests Stefan Hajnoczi
2019-11-04 10:32 ` [PATCH v2 00/15] io_uring: add Linux io_uring AIO engine Stefan Hajnoczi
2019-11-13 11:43 ` Stefan Hajnoczi
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20191025160444.31632-7-stefanha@redhat.com \
--to=stefanha@redhat.com \
--cc=armbru@redhat.com \
--cc=fam@euphon.net \
--cc=jusual@redhat.com \
--cc=kwolf@redhat.com \
--cc=mehta.aaru20@gmail.com \
--cc=mreitz@redhat.com \
--cc=oleksandr@redhat.com \
--cc=pbonzini@redhat.com \
--cc=qemu-block@nongnu.org \
--cc=qemu-devel@nongnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).