101 lines
4.3 KiB
Diff
101 lines
4.3 KiB
Diff
From 020e2108f7571fac3853c47ba1ea8bafb5eef81e Mon Sep 17 00:00:00 2001
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From: Wolfgang Bumiller <w.bumiller@proxmox.com>
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Date: Wed, 9 Dec 2015 15:04:57 +0100
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Subject: [PATCH 26/28] backup: modify job api
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Introduce a pause_count parameter to start a backup in
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paused mode. This way backups of multiple drives can be
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started up sequentially via the completion callback while
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having been started at the same point in time.
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---
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block/backup.c | 2 ++
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block/replication.c | 2 +-
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blockdev.c | 4 ++--
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blockjob.c | 2 +-
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include/block/block_int.h | 1 +
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5 files changed, 7 insertions(+), 4 deletions(-)
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diff --git a/block/backup.c b/block/backup.c
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index a4fb2884f9..1ede70c061 100644
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--- a/block/backup.c
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+++ b/block/backup.c
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@@ -558,6 +558,7 @@ BlockJob *backup_job_create(const char *job_id, BlockDriverState *bs,
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BlockdevOnError on_target_error,
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int creation_flags,
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BlockCompletionFunc *cb, void *opaque,
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+ int pause_count,
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BlockJobTxn *txn, Error **errp)
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{
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int64_t len;
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@@ -682,6 +683,7 @@ BlockJob *backup_job_create(const char *job_id, BlockDriverState *bs,
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block_job_add_bdrv(&job->common, "target", target, 0, BLK_PERM_ALL,
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&error_abort);
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job->common.len = len;
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+ job->common.pause_count = pause_count;
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block_job_txn_add_job(txn, &job->common);
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return &job->common;
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diff --git a/block/replication.c b/block/replication.c
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index bf3c395eb4..1c41d9e6bf 100644
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--- a/block/replication.c
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+++ b/block/replication.c
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@@ -531,7 +531,7 @@ static void replication_start(ReplicationState *rs, ReplicationMode mode,
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0, MIRROR_SYNC_MODE_NONE, NULL, false,
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BLOCKDEV_ON_ERROR_REPORT,
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BLOCKDEV_ON_ERROR_REPORT, BLOCK_JOB_INTERNAL,
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- backup_job_completed, bs, NULL, &local_err);
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+ backup_job_completed, bs, 0, NULL, &local_err);
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if (local_err) {
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error_propagate(errp, local_err);
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backup_job_cleanup(bs);
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diff --git a/blockdev.c b/blockdev.c
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index 4927914ce3..ec5e931029 100644
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--- a/blockdev.c
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+++ b/blockdev.c
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@@ -3273,7 +3273,7 @@ static BlockJob *do_drive_backup(DriveBackup *backup, BlockJobTxn *txn,
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job = backup_job_create(backup->job_id, bs, target_bs, backup->speed,
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backup->sync, bmap, backup->compress,
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backup->on_source_error, backup->on_target_error,
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- BLOCK_JOB_DEFAULT, NULL, NULL, txn, &local_err);
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+ BLOCK_JOB_DEFAULT, NULL, NULL, 0, txn, &local_err);
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bdrv_unref(target_bs);
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if (local_err != NULL) {
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error_propagate(errp, local_err);
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@@ -3352,7 +3352,7 @@ BlockJob *do_blockdev_backup(BlockdevBackup *backup, BlockJobTxn *txn,
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job = backup_job_create(backup->job_id, bs, target_bs, backup->speed,
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backup->sync, NULL, backup->compress,
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backup->on_source_error, backup->on_target_error,
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- BLOCK_JOB_DEFAULT, NULL, NULL, txn, &local_err);
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+ BLOCK_JOB_DEFAULT, NULL, NULL, 0, txn, &local_err);
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if (local_err != NULL) {
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error_propagate(errp, local_err);
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}
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diff --git a/blockjob.c b/blockjob.c
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index 6e489327ff..764d41863e 100644
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--- a/blockjob.c
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+++ b/blockjob.c
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@@ -289,7 +289,7 @@ void block_job_start(BlockJob *job)
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job->co = qemu_coroutine_create(block_job_co_entry, job);
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job->pause_count--;
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job->busy = true;
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- job->paused = false;
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+ job->paused = job->pause_count > 0;
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bdrv_coroutine_enter(blk_bs(job->blk), job->co);
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}
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diff --git a/include/block/block_int.h b/include/block/block_int.h
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index 59400bd848..2b3ecd0575 100644
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--- a/include/block/block_int.h
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+++ b/include/block/block_int.h
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@@ -878,6 +878,7 @@ BlockJob *backup_job_create(const char *job_id, BlockDriverState *bs,
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BlockdevOnError on_target_error,
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int creation_flags,
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BlockCompletionFunc *cb, void *opaque,
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+ int pause_count,
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BlockJobTxn *txn, Error **errp);
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void hmp_drive_add_node(Monitor *mon, const char *optstr);
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--
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2.11.0
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