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qemu-img: add dirty flag status

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Some block drivers can verify their image files are clean or not. So we can show
it while using "qemu-img info".

Signed-off-by: Dong Xu Wang <wdongxu@linux.vnet.ibm.com>
Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Dong Xu Wang 2012-03-15 20:13:33 +08:00 committed by Kevin Wolf
parent 11c9c615c8
commit 64c79160b4
2 changed files with 4 additions and 0 deletions
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1
block.h
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@ -15,6 +15,7 @@ typedef struct BlockDriverInfo {
int cluster_size;
/* offset at which the VM state can be saved (0 if not possible) */
int64_t vm_state_offset;
bool is_dirty;
} BlockDriverInfo;
typedef struct BlockFragInfo {

3
qemu-img.c
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@ -1132,6 +1132,9 @@ static int img_info(int argc, char **argv)
if (bdi.cluster_size != 0) {
printf("cluster_size: %d\n", bdi.cluster_size);
}
if (bdi.is_dirty) {
printf("cleanly shut down: no\n");
}
}
bdrv_get_backing_filename(bs, backing_filename, sizeof(backing_filename));
if (backing_filename[0] != '\0') {