From: Aarushi Mehta <mehta.aaru20@gmail.com>
To: qemu-devel@nongnu.org
Cc: Fam Zheng <fam@euphon.net>, Kevin Wolf <kwolf@redhat.com>,
Sergio Lopez <slp@redhat.com>,
qemu-block@nongnu.org, Markus Armbruster <armbru@redhat.com>,
Max Reitz <mreitz@redhat.com>,
saket.sinha89@gmail.com, Stefan Hajnoczi <stefanha@redhat.com>,
Paolo Bonzini <pbonzini@redhat.com>,
Maxim Levitsky <mlevitsk@redhat.com>,
Julia Suvorova <jusual@mail.ru>,
Aarushi Mehta <mehta.aaru20@gmail.com>
Subject: [Qemu-devel] [PATCH v5 11/12] qemu-io: adds support for io_uring
Date: Mon, 10 Jun 2019 19:19:04 +0530 [thread overview]
Message-ID: <20190610134905.22294-12-mehta.aaru20@gmail.com> (raw)
In-Reply-To: <20190610134905.22294-1-mehta.aaru20@gmail.com>
Signed-off-by: Aarushi Mehta <mehta.aaru20@gmail.com>
---
qemu-io.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/qemu-io.c b/qemu-io.c
index 8d5d5911cb..54b82151c4 100644
--- a/qemu-io.c
+++ b/qemu-io.c
@@ -129,6 +129,7 @@ static void open_help(void)
" -n, -- disable host cache, short for -t none\n"
" -U, -- force shared permissions\n"
" -k, -- use kernel AIO implementation (on Linux only)\n"
+" -i -- use kernel io_uring (Linux 5.1+)\n"
" -t, -- use the given cache mode for the image\n"
" -d, -- use the given discard mode for the image\n"
" -o, -- options to be given to the block driver"
@@ -188,6 +189,11 @@ static int open_f(BlockBackend *blk, int argc, char **argv)
case 'k':
flags |= BDRV_O_NATIVE_AIO;
break;
+#ifdef CONFIG_LINUX_IO_URING
+ case 'i':
+ flags |= BDRV_O_IO_URING;
+ break;
+#endif
case 't':
if (bdrv_parse_cache_mode(optarg, &flags, &writethrough) < 0) {
error_report("Invalid cache option: %s", optarg);
@@ -290,6 +296,7 @@ static void usage(const char *name)
" -C, --copy-on-read enable copy-on-read\n"
" -m, --misalign misalign allocations for O_DIRECT\n"
" -k, --native-aio use kernel AIO implementation (on Linux only)\n"
+" -i --io_uring use kernel io_uring (Linux 5.1+)\n"
" -t, --cache=MODE use the given cache mode for the image\n"
" -d, --discard=MODE use the given discard mode for the image\n"
" -T, --trace [[enable=]<pattern>][,events=<file>][,file=<file>]\n"
@@ -499,6 +506,7 @@ int main(int argc, char **argv)
{ "copy-on-read", no_argument, NULL, 'C' },
{ "misalign", no_argument, NULL, 'm' },
{ "native-aio", no_argument, NULL, 'k' },
+ { "io_uring", no_argument, NULL, 'i' },
{ "discard", required_argument, NULL, 'd' },
{ "cache", required_argument, NULL, 't' },
{ "trace", required_argument, NULL, 'T' },
@@ -566,6 +574,11 @@ int main(int argc, char **argv)
case 'k':
flags |= BDRV_O_NATIVE_AIO;
break;
+#ifdef CONFIG_LINUX_IO_URING
+ case 'i':
+ flags |= BDRV_O_IO_URING;
+ break;
+#endif
case 't':
if (bdrv_parse_cache_mode(optarg, &flags, &writethrough) < 0) {
error_report("Invalid cache option: %s", optarg);
--
2.17.1
next prev parent reply other threads:[~2019-06-10 14:03 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-10 13:48 [Qemu-devel] [PATCH v5 00/12] Add support for io_uring Aarushi Mehta
2019-06-10 13:48 ` [Qemu-devel] [PATCH v5 01/12] configure: permit use of io_uring Aarushi Mehta
2019-06-10 13:48 ` [Qemu-devel] [PATCH v5 02/12] qapi/block-core: add option for io_uring Aarushi Mehta
2019-06-11 7:36 ` Fam Zheng
2019-06-11 9:32 ` Stefan Hajnoczi
2019-07-03 6:26 ` Markus Armbruster
2019-06-10 13:48 ` [Qemu-devel] [PATCH v5 03/12] block/block: add BDRV flag " Aarushi Mehta
2019-06-10 13:48 ` [Qemu-devel] [PATCH v5 04/12] block/io_uring: implements interfaces " Aarushi Mehta
2019-06-11 11:17 ` Fam Zheng
2019-06-12 14:43 ` Stefan Hajnoczi
2019-06-17 12:26 ` Maxim Levitsky
2019-06-19 10:14 ` Stefan Hajnoczi
2019-06-19 10:47 ` Maxim Levitsky
2019-06-22 15:10 ` [Qemu-devel] [Qemu-block] " Stefan Hajnoczi
2019-06-10 13:48 ` [Qemu-devel] [PATCH v5 05/12] stubs: add stubs for io_uring interface Aarushi Mehta
2019-06-17 12:33 ` Maxim Levitsky
2019-06-19 10:21 ` Stefan Hajnoczi
2019-06-10 13:48 ` [Qemu-devel] [PATCH v5 06/12] util/async: add aio interfaces for io_uring Aarushi Mehta
2019-06-17 12:56 ` Maxim Levitsky
2019-06-10 13:49 ` [Qemu-devel] [PATCH v5 07/12] blockdev: accept io_uring as option Aarushi Mehta
2019-06-17 13:01 ` Maxim Levitsky
2019-06-19 10:24 ` Stefan Hajnoczi
2019-06-19 10:48 ` Maxim Levitsky
2019-06-10 13:49 ` [Qemu-devel] [PATCH v5 08/12] block/file-posix.c: extend to use io_uring Aarushi Mehta
2019-06-17 14:12 ` Maxim Levitsky
2019-06-10 13:49 ` [Qemu-devel] [PATCH v5 09/12] block: add trace events for io_uring Aarushi Mehta
2019-06-11 9:47 ` Stefan Hajnoczi
2019-06-11 11:34 ` Fam Zheng
2019-06-10 13:49 ` [Qemu-devel] [PATCH v5 10/12] block/io_uring: adds userspace completion polling Aarushi Mehta
2019-06-11 9:51 ` Stefan Hajnoczi
2019-06-17 14:14 ` Maxim Levitsky
2019-06-10 13:49 ` Aarushi Mehta [this message]
2019-06-11 9:54 ` [Qemu-devel] [PATCH v5 11/12] qemu-io: adds support for io_uring Stefan Hajnoczi
2019-06-11 12:26 ` Fam Zheng
2019-06-10 13:49 ` [Qemu-devel] [PATCH v5 12/12] qemu-iotests/087: checks " Aarushi Mehta
2019-06-11 9:58 ` Stefan Hajnoczi
2019-06-17 14:21 ` Maxim Levitsky
2019-06-11 9:56 ` [Qemu-devel] [PATCH v5 00/12] Add support " Stefan Hajnoczi
2019-06-22 15:13 ` [Qemu-devel] [Qemu-block] " Stefan Hajnoczi
2019-06-23 14:03 ` Stefan Hajnoczi
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