Introduce flag for the block commit API to allow the commit operation to
leave the chain relatively addressed. Also adds a virsh switch to enable
this behavior.
---
include/libvirt/libvirt.h.in | 4 ++++
tools/virsh-domain.c | 7 +++++++
2 files changed, 11 insertions(+)
diff --git a/include/libvirt/libvirt.h.in b/include/libvirt/libvirt.h.in
index 260c971..2df7fc8 100644
--- a/include/libvirt/libvirt.h.in
+++ b/include/libvirt/libvirt.h.in
@@ -2588,6 +2588,10 @@ typedef enum {
VIR_DOMAIN_BLOCK_COMMIT_DELETE = 1 << 1, /* Delete any files that are now
invalid after their contents
have been committed */
+ VIR_DOMAIN_BLOCK_COMMIT_RELATIVE = 1 << 2, /* try to keep the backing chain
+ relative if the components
+ removed by the commit are
+ already relative */
} virDomainBlockCommitFlags;
int virDomainBlockCommit(virDomainPtr dom, const char *disk, const char *base,
diff --git a/tools/virsh-domain.c b/tools/virsh-domain.c
index 84a6706..5c3a142 100644
--- a/tools/virsh-domain.c
+++ b/tools/virsh-domain.c
@@ -1492,6 +1492,8 @@ blockJobImpl(vshControl *ctl, const vshCmd *cmd,
flags |= VIR_DOMAIN_BLOCK_COMMIT_SHALLOW;
if (vshCommandOptBool(cmd, "delete"))
flags |= VIR_DOMAIN_BLOCK_COMMIT_DELETE;
+ if (vshCommandOptBool(cmd, "keep-relative"))
+ flags |= VIR_DOMAIN_BLOCK_COMMIT_RELATIVE;
ret = virDomainBlockCommit(dom, path, base, top, bandwidth, flags);
break;
case VSH_CMD_BLOCK_JOB_COPY:
@@ -1612,6 +1614,11 @@ static const vshCmdOptDef opts_block_commit[] = {
.type = VSH_OT_BOOL,
.help = N_("with --wait, don't wait for cancel to finish")
},
+ {.name = "keep-relative",
+ .type = VSH_OT_BOOL,
+ .help = N_("keep the backing chain relative if it was relatively "
+ "referenced if it was before")
+ },
{.name = NULL}
};
--
1.9.3
--
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