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Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into staging

# gpg: Signature made Thu 17 Mar 2016 11:08:28 GMT using RSA key ID 81AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.com>"

* remotes/stefanha/tags/block-pull-request:
  Revert "qed: Implement .bdrv_drain"
  aio-posix: Change CONFIG_EPOLL to CONFIG_EPOLL_CREATE1

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
master
Peter Maydell 2016-03-17 11:27:54 +00:00
parent 8c45754724 1f3ddfcb25
commit 331ac65963
2 changed files with 3 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
aio-posix.c
View File

@ -18,7 +18,7 @@
#include "block/block.h"
#include "qemu/queue.h"
#include "qemu/sockets.h"
#ifdef CONFIG_EPOLL
#ifdef CONFIG_EPOLL_CREATE1
#include <sys/epoll.h>
#endif
@ -33,7 +33,7 @@ struct AioHandler
QLIST_ENTRY(AioHandler) node;
};
#ifdef CONFIG_EPOLL
#ifdef CONFIG_EPOLL_CREATE1
/* The fd number threashold to switch to epoll */
#define EPOLL_ENABLE_THRESHOLD 64
@ -483,7 +483,7 @@ bool aio_poll(AioContext *ctx, bool blocking)
void aio_context_setup(AioContext *ctx, Error **errp)
{
#ifdef CONFIG_EPOLL
#ifdef CONFIG_EPOLL_CREATE1
assert(!ctx->epollfd);
ctx->epollfd = epoll_create1(EPOLL_CLOEXEC);
if (ctx->epollfd == -1) {

13
block/qed.c
View File

@ -377,18 +377,6 @@ static void bdrv_qed_attach_aio_context(BlockDriverState *bs,
}
}
static void bdrv_qed_drain(BlockDriverState *bs)
{
BDRVQEDState *s = bs->opaque;
/* Cancel timer and start doing I/O that were meant to happen as if it
* fired, that way we get bdrv_drain() taking care of the ongoing requests
* correctly. */
qed_cancel_need_check_timer(s);
qed_plug_allocating_write_reqs(s);
bdrv_aio_flush(s->bs, qed_clear_need_check, s);
}
static int bdrv_qed_open(BlockDriverState *bs, QDict *options, int flags,
Error **errp)
{
@ -1694,7 +1682,6 @@ static BlockDriver bdrv_qed = {
.bdrv_check = bdrv_qed_check,
.bdrv_detach_aio_context = bdrv_qed_detach_aio_context,
.bdrv_attach_aio_context = bdrv_qed_attach_aio_context,
.bdrv_drain = bdrv_qed_drain,
};
static void bdrv_qed_init(void)