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-rw-r--r--docs/tools/qemu-img.rst4
-rw-r--r--qemu-img-cmds.hx4
-rw-r--r--qemu-img.c11
3 files changed, 14 insertions, 5 deletions
diff --git a/docs/tools/qemu-img.rst b/docs/tools/qemu-img.rst
index c35bd64822..bcb11b0899 100644
--- a/docs/tools/qemu-img.rst
+++ b/docs/tools/qemu-img.rst
@@ -349,7 +349,7 @@ Command description:
state after (the attempt at) repairing it. That is, a successful ``-r all``
will yield the exit code 0, independently of the image state before.
-.. option:: commit [--object OBJECTDEF] [--image-opts] [-q] [-f FMT] [-t CACHE] [-b BASE] [-d] [-p] FILENAME
+.. option:: commit [--object OBJECTDEF] [--image-opts] [-q] [-f FMT] [-t CACHE] [-b BASE] [-r RATE_LIMIT] [-d] [-p] FILENAME
Commit the changes recorded in *FILENAME* in its base image or backing file.
If the backing file is smaller than the snapshot, then the backing file will be
@@ -371,6 +371,8 @@ Command description:
garbage data when read. For this reason, ``-b`` implies ``-d`` (so that
the top image stays valid).
+ The rate limit for the commit process is specified by ``-r``.
+
.. option:: compare [--object OBJECTDEF] [--image-opts] [-f FMT] [-F FMT] [-T SRC_CACHE] [-p] [-q] [-s] [-U] FILENAME1 FILENAME2
Check if two images have the same content. You can compare images with
diff --git a/qemu-img-cmds.hx b/qemu-img-cmds.hx
index cab8234235..965c1e3e59 100644
--- a/qemu-img-cmds.hx
+++ b/qemu-img-cmds.hx
@@ -34,9 +34,9 @@ SRST
ERST
DEF("commit", img_commit,
- "commit [--object objectdef] [--image-opts] [-q] [-f fmt] [-t cache] [-b base] [-d] [-p] filename")
+ "commit [--object objectdef] [--image-opts] [-q] [-f fmt] [-t cache] [-b base] [-r rate_limit] [-d] [-p] filename")
SRST
-.. option:: commit [--object OBJECTDEF] [--image-opts] [-q] [-f FMT] [-t CACHE] [-b BASE] [-d] [-p] FILENAME
+.. option:: commit [--object OBJECTDEF] [--image-opts] [-q] [-f FMT] [-t CACHE] [-b BASE] [-r RATE_LIMIT] [-d] [-p] FILENAME
ERST
DEF("compare", img_compare,
diff --git a/qemu-img.c b/qemu-img.c
index 2103507936..3023abea8b 100644
--- a/qemu-img.c
+++ b/qemu-img.c
@@ -980,6 +980,7 @@ static int img_commit(int argc, char **argv)
CommonBlockJobCBInfo cbi;
bool image_opts = false;
AioContext *aio_context;
+ int64_t rate_limit = 0;
fmt = NULL;
cache = BDRV_DEFAULT_CACHE;
@@ -991,7 +992,7 @@ static int img_commit(int argc, char **argv)
{"image-opts", no_argument, 0, OPTION_IMAGE_OPTS},
{0, 0, 0, 0}
};
- c = getopt_long(argc, argv, ":f:ht:b:dpq",
+ c = getopt_long(argc, argv, ":f:ht:b:dpqr:",
long_options, NULL);
if (c == -1) {
break;
@@ -1026,6 +1027,12 @@ static int img_commit(int argc, char **argv)
case 'q':
quiet = true;
break;
+ case 'r':
+ rate_limit = cvtnum("rate limit", optarg);
+ if (rate_limit < 0) {
+ return 1;
+ }
+ break;
case OPTION_OBJECT: {
QemuOpts *opts;
opts = qemu_opts_parse_noisily(&qemu_object_opts,
@@ -1099,7 +1106,7 @@ static int img_commit(int argc, char **argv)
aio_context = bdrv_get_aio_context(bs);
aio_context_acquire(aio_context);
- commit_active_start("commit", bs, base_bs, JOB_DEFAULT, 0,
+ commit_active_start("commit", bs, base_bs, JOB_DEFAULT, rate_limit,
BLOCKDEV_ON_ERROR_REPORT, NULL, common_block_job_cb,
&cbi, false, &local_err);
aio_context_release(aio_context);