pve-qemu/debian/patches/pve/0020-backup-vma-run-flush-i...

57 lines
1.4 KiB
Diff

From c0b66c21bb4d4cc1f02d4259d62dd8d6d413fd7f Mon Sep 17 00:00:00 2001
From: Wolfgang Bumiller <w.bumiller@proxmox.com>
Date: Wed, 9 Dec 2015 15:40:42 +0100
Subject: [PATCH 20/48] backup: vma: run flush inside coroutine
---
blockdev.c | 10 +++++++++-
vma-writer.c | 4 ++++
2 files changed, 13 insertions(+), 1 deletion(-)
diff --git a/blockdev.c b/blockdev.c
index ef159b0..a9a900e 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -3087,6 +3087,13 @@ static void pvebackup_cleanup(void)
}
}
+static void coroutine_fn backup_close_vma_stream(void *opaque)
+{
+ PVEBackupDevInfo *di = opaque;
+
+ vma_writer_close_stream(backup_state.vmaw, di->dev_id);
+}
+
static void pvebackup_complete_cb(void *opaque, int ret)
{
PVEBackupDevInfo *di = opaque;
@@ -3104,7 +3111,8 @@ static void pvebackup_complete_cb(void *opaque, int ret)
di->target = NULL;
if (backup_state.vmaw) {
- vma_writer_close_stream(backup_state.vmaw, di->dev_id);
+ Coroutine *co = qemu_coroutine_create(backup_close_vma_stream, di);
+ qemu_coroutine_enter(co);
}
block_job_cb(bs, ret);
diff --git a/vma-writer.c b/vma-writer.c
index ec8da53..216577a 100644
--- a/vma-writer.c
+++ b/vma-writer.c
@@ -700,6 +700,10 @@ int vma_writer_close(VmaWriter *vmaw, Error **errp)
int i;
+ while (vmaw->co_writer) {
+ aio_poll(qemu_get_aio_context(), true);
+ }
+
assert(vmaw->co_writer == NULL);
if (vmaw->cmd) {
--
2.1.4