All block job drivers support .set_speed and all of them duplicate the
same code to implement it. Move that code to blockjob.c and remove the
now useless callback.
Signed-off-by: Kevin Wolf <kw...@redhat.com>
Reviewed-by: Eric Blake <ebl...@redhat.com>
---
include/block/blockjob.h | 2 ++
include/block/blockjob_int.h | 3 ---
block/backup.c | 13 -------------
block/commit.c | 14 --------------
block/mirror.c | 14 --------------
block/stream.c | 14 --------------
blockjob.c | 12 ++++--------
7 files changed, 6 insertions(+), 66 deletions(-)
diff --git a/include/block/blockjob.h b/include/block/blockjob.h
index 22bf418209..5aa8a6aaec 100644
--- a/include/block/blockjob.h
+++ b/include/block/blockjob.h
@@ -29,6 +29,8 @@
#include "block/block.h"
#include "qemu/ratelimit.h"
+#define SLICE_TIME 100000000ULL /* ns */
+
typedef struct BlockJobDriver BlockJobDriver;
typedef struct BlockJobTxn BlockJobTxn;
diff --git a/include/block/blockjob_int.h b/include/block/blockjob_int.h
index 642adce68b..870bd346a8 100644
--- a/include/block/blockjob_int.h
+++ b/include/block/blockjob_int.h
@@ -41,9 +41,6 @@ struct BlockJobDriver {
/** String describing the operation, part of query-block-jobs QMP API */
BlockJobType job_type;
- /** Optional callback for job types that support setting a speed limit */
- void (*set_speed)(BlockJob *job, int64_t speed, Error **errp);
-
/** Mandatory: Entrypoint for the Coroutine. */
CoroutineEntry *start;
diff --git a/block/backup.c b/block/backup.c
index 7585c4391e..8468fd9f94 100644
--- a/block/backup.c
+++ b/block/backup.c
@@ -27,7 +27,6 @@
#include "qemu/error-report.h"
#define BACKUP_CLUSTER_SIZE_DEFAULT (1 << 16)
-#define SLICE_TIME 100000000ULL /* ns */
typedef struct BackupBlockJob {
BlockJob common;
@@ -190,17 +189,6 @@ static int coroutine_fn backup_before_write_notify(
return backup_do_cow(job, req->offset, req->bytes, NULL, true);
}
-static void backup_set_speed(BlockJob *job, int64_t speed, Error **errp)
-{
- BackupBlockJob *s = container_of(job, BackupBlockJob, common);
-
- if (speed < 0) {
- error_setg(errp, QERR_INVALID_PARAMETER, "speed");
- return;
- }
- ratelimit_set_speed(&s->common.limit, speed, SLICE_TIME);
-}
-
static void backup_cleanup_sync_bitmap(BackupBlockJob *job, int ret)
{
BdrvDirtyBitmap *bm;
@@ -540,7 +528,6 @@ static const BlockJobDriver backup_job_driver = {
.instance_size = sizeof(BackupBlockJob),
.job_type = BLOCK_JOB_TYPE_BACKUP,
.start = backup_run,
- .set_speed = backup_set_speed,
.commit = backup_commit,
.abort = backup_abort,
.clean = backup_clean,
diff --git a/block/commit.c b/block/commit.c
index beec5d0ad6..46cbeaec3e 100644
--- a/block/commit.c
+++ b/block/commit.c
@@ -31,8 +31,6 @@ enum {
COMMIT_BUFFER_SIZE = 512 * 1024, /* in bytes */
};
-#define SLICE_TIME 100000000ULL /* ns */
-
typedef struct CommitBlockJob {
BlockJob common;
BlockDriverState *commit_top_bs;
@@ -216,21 +214,9 @@ out:
block_job_defer_to_main_loop(&s->common, commit_complete, data);
}
-static void commit_set_speed(BlockJob *job, int64_t speed, Error **errp)
-{
- CommitBlockJob *s = container_of(job, CommitBlockJob, common);
-
- if (speed < 0) {
- error_setg(errp, QERR_INVALID_PARAMETER, "speed");
- return;
- }
- ratelimit_set_speed(&s->common.limit, speed, SLICE_TIME);
-}
-
static const BlockJobDriver commit_job_driver = {
.instance_size = sizeof(CommitBlockJob),
.job_type = BLOCK_JOB_TYPE_COMMIT,
- .set_speed = commit_set_speed,
.start = commit_run,
};
diff --git a/block/mirror.c b/block/mirror.c
index 95da62544f..21eb04f1d2 100644
--- a/block/mirror.c
+++ b/block/mirror.c
@@ -22,7 +22,6 @@
#include "qemu/ratelimit.h"
#include "qemu/bitmap.h"
-#define SLICE_TIME 100000000ULL /* ns */
#define MAX_IN_FLIGHT 16
#define MAX_IO_BYTES (1 << 20) /* 1 Mb */
#define DEFAULT_MIRROR_BUF_SIZE (MAX_IN_FLIGHT * MAX_IO_BYTES)
@@ -908,17 +907,6 @@ immediate_exit:
block_job_defer_to_main_loop(&s->common, mirror_exit, data);
}
-static void mirror_set_speed(BlockJob *job, int64_t speed, Error **errp)
-{
- MirrorBlockJob *s = container_of(job, MirrorBlockJob, common);
-
- if (speed < 0) {
- error_setg(errp, QERR_INVALID_PARAMETER, "speed");
- return;
- }
- ratelimit_set_speed(&s->common.limit, speed, SLICE_TIME);
-}
-
static void mirror_complete(BlockJob *job, Error **errp)
{
MirrorBlockJob *s = container_of(job, MirrorBlockJob, common);
@@ -1003,7 +991,6 @@ static void mirror_drain(BlockJob *job)
static const BlockJobDriver mirror_job_driver = {
.instance_size = sizeof(MirrorBlockJob),
.job_type = BLOCK_JOB_TYPE_MIRROR,
- .set_speed = mirror_set_speed,
.start = mirror_run,
.complete = mirror_complete,
.pause = mirror_pause,
@@ -1014,7 +1001,6 @@ static const BlockJobDriver mirror_job_driver = {
static const BlockJobDriver commit_active_job_driver = {
.instance_size = sizeof(MirrorBlockJob),
.job_type = BLOCK_JOB_TYPE_COMMIT,
- .set_speed = mirror_set_speed,
.start = mirror_run,
.complete = mirror_complete,
.pause = mirror_pause,
diff --git a/block/stream.c b/block/stream.c
index a1d4768c2e..797d7c4f21 100644
--- a/block/stream.c
+++ b/block/stream.c
@@ -29,8 +29,6 @@ enum {
STREAM_BUFFER_SIZE = 512 * 1024, /* in bytes */
};
-#define SLICE_TIME 100000000ULL /* ns */
-
typedef struct StreamBlockJob {
BlockJob common;
BlockDriverState *base;
@@ -210,21 +208,9 @@ out:
block_job_defer_to_main_loop(&s->common, stream_complete, data);
}
-static void stream_set_speed(BlockJob *job, int64_t speed, Error **errp)
-{
- StreamBlockJob *s = container_of(job, StreamBlockJob, common);
-
- if (speed < 0) {
- error_setg(errp, QERR_INVALID_PARAMETER, "speed");
- return;
- }
- ratelimit_set_speed(&s->common.limit, speed, SLICE_TIME);
-}
-
static const BlockJobDriver stream_job_driver = {
.instance_size = sizeof(StreamBlockJob),
.job_type = BLOCK_JOB_TYPE_STREAM,
- .set_speed = stream_set_speed,
.start = stream_run,
};
diff --git a/blockjob.c b/blockjob.c
index bdd34f3a76..5d050e65d3 100644
--- a/blockjob.c
+++ b/blockjob.c
@@ -659,22 +659,18 @@ static bool block_job_timer_pending(BlockJob *job)
void block_job_set_speed(BlockJob *job, int64_t speed, Error **errp)
{
- Error *local_err = NULL;
int64_t old_speed = job->speed;
- if (!job->driver->set_speed) {
- error_setg(errp, QERR_UNSUPPORTED);
- return;
- }
if (block_job_apply_verb(job, BLOCK_JOB_VERB_SET_SPEED, errp)) {
return;
}
- job->driver->set_speed(job, speed, &local_err);
- if (local_err) {
- error_propagate(errp, local_err);
+ if (speed < 0) {
+ error_setg(errp, QERR_INVALID_PARAMETER, "speed");
return;
}
+ ratelimit_set_speed(&job->limit, speed, SLICE_TIME);
+
job->speed = speed;
if (speed && speed <= old_speed) {
return;
--
2.13.6
