motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-06 01:03:55 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

block/amend: add 'force' option

Browse source 
'force' option will be used for some unsafe amend operations.

This includes things like erasing last keyslot in luks based formats
(which destroys the data, unless the master key is backed up
by external means), but that _might_ be desired result.

Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-Id: <20200608094030.670121-4-mlevitsk@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
Maxim Levitsky 2020-06-25 14:55:38 +02:00 • committed by Max Reitz
parent 557d2bdcca
commit a3579bfa0a
7 changed files with 19 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

8
qemu-img.c
View file

@ -79,6 +79,7 @@ enum {
OPTION_DISABLE = 273,
OPTION_MERGE = 274,
OPTION_BITMAPS = 275,
OPTION_FORCE = 276,
};
typedef enum OutputFormat {
@ -4090,6 +4091,7 @@ static int img_amend(int argc, char **argv)
BlockBackend *blk = NULL;
BlockDriverState *bs = NULL;
bool image_opts = false;
bool force = false;
cache = BDRV_DEFAULT_CACHE;
for (;;) {
@ -4097,6 +4099,7 @@ static int img_amend(int argc, char **argv)
{"help", no_argument, 0, 'h'},
{"object", required_argument, 0, OPTION_OBJECT},
{"image-opts", no_argument, 0, OPTION_IMAGE_OPTS},
{"force", no_argument, 0, OPTION_FORCE},
{0, 0, 0, 0}
};
c = getopt_long(argc, argv, ":ho:f:t:pq",
@ -4144,6 +4147,9 @@ static int img_amend(int argc, char **argv)
case OPTION_IMAGE_OPTS:
image_opts = true;
break;
case OPTION_FORCE:
force = true;
break;
}
}
@ -4221,7 +4227,7 @@ static int img_amend(int argc, char **argv)
/* In case the driver does not call amend_status_cb() */
qemu_progress_print(0.f, 0);
ret = bdrv_amend_options(bs, opts, &amend_status_cb, NULL, &err);
ret = bdrv_amend_options(bs, opts, &amend_status_cb, NULL, force, &err);
qemu_progress_print(100.f, 0);
if (ret < 0) {
error_report_err(err);