pve-qemu/debian/patches/pve/0023-PVE-backup-modify-job-...

101 lines
4.2 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Wolfgang Bumiller <w.bumiller@proxmox.com>
Date: Wed, 9 Dec 2015 15:04:57 +0100
Subject: [PATCH] PVE: backup: modify job api
Introduce a pause_count parameter to start a backup in
paused mode. This way backups of multiple drives can be
started up sequentially via the completion callback while
having been started at the same point in time.
---
block/backup.c | 2 ++
block/replication.c | 2 +-
blockdev.c | 4 ++--
include/block/block_int.h | 1 +
job.c | 2 +-
5 files changed, 7 insertions(+), 4 deletions(-)
diff --git a/block/backup.c b/block/backup.c
index 8630d32926..7f970842d7 100644
--- a/block/backup.c
+++ b/block/backup.c
@@ -613,6 +613,7 @@ BlockJob *backup_job_create(const char *job_id, BlockDriverState *bs,
BlockdevOnError on_target_error,
int creation_flags,
BlockCompletionFunc *cb, void *opaque,
+ int pause_count,
JobTxn *txn, Error **errp)
{
int64_t len;
@@ -746,6 +747,7 @@ BlockJob *backup_job_create(const char *job_id, BlockDriverState *bs,
block_job_add_bdrv(&job->common, "target", target, 0, BLK_PERM_ALL,
&error_abort);
job->len = len;
+ job->common.job.pause_count = pause_count;
return &job->common;
diff --git a/block/replication.c b/block/replication.c
index 6349d6958e..84e07cc4d4 100644
--- a/block/replication.c
+++ b/block/replication.c
@@ -571,7 +571,7 @@ static void replication_start(ReplicationState *rs, ReplicationMode mode,
0, MIRROR_SYNC_MODE_NONE, NULL, false,
BLOCKDEV_ON_ERROR_REPORT,
BLOCKDEV_ON_ERROR_REPORT, JOB_INTERNAL,
- backup_job_completed, bs, NULL, &local_err);
+ backup_job_completed, bs, 0, NULL, &local_err);
if (local_err) {
error_propagate(errp, local_err);
backup_job_cleanup(bs);
diff --git a/blockdev.c b/blockdev.c
index dcf8c8d2ab..d5eb6b62ca 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -3568,7 +3568,7 @@ static BlockJob *do_drive_backup(DriveBackup *backup, JobTxn *txn,
job = backup_job_create(backup->job_id, bs, target_bs, backup->speed,
backup->sync, bmap, backup->compress,
backup->on_source_error, backup->on_target_error,
- job_flags, NULL, NULL, txn, &local_err);
+ job_flags, NULL, NULL, 0, txn, &local_err);
bdrv_unref(target_bs);
if (local_err != NULL) {
error_propagate(errp, local_err);
@@ -3660,7 +3660,7 @@ BlockJob *do_blockdev_backup(BlockdevBackup *backup, JobTxn *txn,
job = backup_job_create(backup->job_id, bs, target_bs, backup->speed,
backup->sync, NULL, backup->compress,
backup->on_source_error, backup->on_target_error,
- job_flags, NULL, NULL, txn, &local_err);
+ job_flags, NULL, NULL, 0, txn, &local_err);
if (local_err != NULL) {
error_propagate(errp, local_err);
}
diff --git a/include/block/block_int.h b/include/block/block_int.h
index 903b9c1034..0b2516c3cf 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -1083,6 +1083,7 @@ BlockJob *backup_job_create(const char *job_id, BlockDriverState *bs,
BlockdevOnError on_target_error,
int creation_flags,
BlockCompletionFunc *cb, void *opaque,
+ int pause_count,
JobTxn *txn, Error **errp);
void hmp_drive_add_node(Monitor *mon, const char *optstr);
diff --git a/job.c b/job.c
index fa671b431a..72c50ee18e 100644
--- a/job.c
+++ b/job.c
@@ -557,7 +557,7 @@ void job_start(Job *job)
job->co = qemu_coroutine_create(job_co_entry, job);
job->pause_count--;
job->busy = true;
- job->paused = false;
+ job->paused = job->pause_count > 0;
job_state_transition(job, JOB_STATUS_RUNNING);
aio_co_enter(job->aio_context, job->co);
}
--
2.11.0