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[Qemu-devel] [PATCH 1/2] linux aio: support flush operation
From: |
Frediano Ziglio |
Subject: |
[Qemu-devel] [PATCH 1/2] linux aio: support flush operation |
Date: |
Wed, 27 Jul 2011 20:25:25 +0200 |
Signed-off-by: Frediano Ziglio <address@hidden>
---
block/raw-posix.c | 7 +++++++
linux-aio.c | 3 +++
2 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/block/raw-posix.c b/block/raw-posix.c
index 3c6bd4b..27ae81e 100644
--- a/block/raw-posix.c
+++ b/block/raw-posix.c
@@ -628,6 +628,13 @@ static BlockDriverAIOCB *raw_aio_flush(BlockDriverState
*bs,
if (fd_open(bs) < 0)
return NULL;
+#ifdef CONFIG_LINUX_AIO
+ if (s->use_aio) {
+ return laio_submit(bs, s->aio_ctx, s->fd, 0, NULL,
+ 0, cb, opaque, QEMU_AIO_FLUSH);
+ }
+#endif
+
return paio_submit(bs, s->fd, 0, NULL, 0, cb, opaque, QEMU_AIO_FLUSH);
}
diff --git a/linux-aio.c b/linux-aio.c
index 68f4b3d..d07c435 100644
--- a/linux-aio.c
+++ b/linux-aio.c
@@ -215,6 +215,9 @@ BlockDriverAIOCB *laio_submit(BlockDriverState *bs, void
*aio_ctx, int fd,
case QEMU_AIO_READ:
io_prep_preadv(iocbs, fd, qiov->iov, qiov->niov, offset);
break;
+ case QEMU_AIO_FLUSH:
+ io_prep_fdsync(iocbs, fd);
+ break;
default:
fprintf(stderr, "%s: invalid AIO request type 0x%x.\n",
__func__, type);
--
1.7.1
- [Qemu-devel] [PATCH 0/2] improve Linux AIO support, Frediano Ziglio, 2011/07/27
- [Qemu-devel] [PATCH 1/2] linux aio: support flush operation,
Frediano Ziglio <=
- Re: [Qemu-devel] [PATCH 1/2] linux aio: support flush operation, Christoph Hellwig, 2011/07/27
- Re: [Qemu-devel] [PATCH 1/2] linux aio: support flush operation, Frediano Ziglio, 2011/07/27
- Re: [Qemu-devel] [PATCH 1/2] linux aio: support flush operation, Christoph Hellwig, 2011/07/27
- Re: [Qemu-devel] [PATCH 1/2] linux aio: support flush operation, Kevin Wolf, 2011/07/28
- Re: [Qemu-devel] [PATCH 1/2] linux aio: support flush operation, Christoph Hellwig, 2011/07/28
- Re: [Qemu-devel] [PATCH 1/2] linux aio: support flush operation, Kevin Wolf, 2011/07/28
- Re: [Qemu-devel] [PATCH 1/2] linux aio: support flush operation, Christoph Hellwig, 2011/07/29
- Re: [Qemu-devel] [PATCH 1/2] linux aio: support flush operation, Stefan Hajnoczi, 2011/07/29
[Qemu-devel] [PATCH 2/2] aio: use Linux AIO even if nocache is not specified, Frediano Ziglio, 2011/07/27