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authorMax Reitz <mreitz@redhat.com>2015-07-27 17:51:32 +0200
committerKevin Wolf <kwolf@redhat.com>2015-12-18 14:34:43 +0100
commit8b13976d3fabee2f2900a9fb51c85b27ba4516b9 (patch)
tree594512dd25c37bcb5880b6b4acff0c4f6dc05e37 /block
parentbd5072d75622c3a702741064df87ea8911bae1a4 (diff)
block: Add opaque value to the amend CB
Add an opaque value which is to be passed to the bdrv_amend_options() status callback. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Alberto Garcia <berto@igalia.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block')
-rw-r--r--block/qcow2-cluster.c14
-rw-r--r--block/qcow2.c9
-rw-r--r--block/qcow2.h3
3 files changed, 15 insertions, 11 deletions
diff --git a/block/qcow2-cluster.c b/block/qcow2-cluster.c
index 24a60e2236..34112c3abb 100644
--- a/block/qcow2-cluster.c
+++ b/block/qcow2-cluster.c
@@ -1641,7 +1641,8 @@ fail:
static int expand_zero_clusters_in_l1(BlockDriverState *bs, uint64_t *l1_table,
int l1_size, int64_t *visited_l1_entries,
int64_t l1_entries,
- BlockDriverAmendStatusCB *status_cb)
+ BlockDriverAmendStatusCB *status_cb,
+ void *cb_opaque)
{
BDRVQcow2State *s = bs->opaque;
bool is_active_l1 = (l1_table == s->l1_table);
@@ -1667,7 +1668,7 @@ static int expand_zero_clusters_in_l1(BlockDriverState *bs, uint64_t *l1_table,
/* unallocated */
(*visited_l1_entries)++;
if (status_cb) {
- status_cb(bs, *visited_l1_entries, l1_entries);
+ status_cb(bs, *visited_l1_entries, l1_entries, cb_opaque);
}
continue;
}
@@ -1804,7 +1805,7 @@ static int expand_zero_clusters_in_l1(BlockDriverState *bs, uint64_t *l1_table,
(*visited_l1_entries)++;
if (status_cb) {
- status_cb(bs, *visited_l1_entries, l1_entries);
+ status_cb(bs, *visited_l1_entries, l1_entries, cb_opaque);
}
}
@@ -1828,7 +1829,8 @@ fail:
* qcow2 version which doesn't yet support metadata zero clusters.
*/
int qcow2_expand_zero_clusters(BlockDriverState *bs,
- BlockDriverAmendStatusCB *status_cb)
+ BlockDriverAmendStatusCB *status_cb,
+ void *cb_opaque)
{
BDRVQcow2State *s = bs->opaque;
uint64_t *l1_table = NULL;
@@ -1845,7 +1847,7 @@ int qcow2_expand_zero_clusters(BlockDriverState *bs,
ret = expand_zero_clusters_in_l1(bs, s->l1_table, s->l1_size,
&visited_l1_entries, l1_entries,
- status_cb);
+ status_cb, cb_opaque);
if (ret < 0) {
goto fail;
}
@@ -1881,7 +1883,7 @@ int qcow2_expand_zero_clusters(BlockDriverState *bs,
ret = expand_zero_clusters_in_l1(bs, l1_table, s->snapshots[i].l1_size,
&visited_l1_entries, l1_entries,
- status_cb);
+ status_cb, cb_opaque);
if (ret < 0) {
goto fail;
}
diff --git a/block/qcow2.c b/block/qcow2.c
index fda1562ed3..4be2c61162 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -2870,7 +2870,7 @@ static int qcow2_load_vmstate(BlockDriverState *bs, uint8_t *buf,
* have to be removed.
*/
static int qcow2_downgrade(BlockDriverState *bs, int target_version,
- BlockDriverAmendStatusCB *status_cb)
+ BlockDriverAmendStatusCB *status_cb, void *cb_opaque)
{
BDRVQcow2State *s = bs->opaque;
int current_version = s->qcow_version;
@@ -2919,7 +2919,7 @@ static int qcow2_downgrade(BlockDriverState *bs, int target_version,
/* clearing autoclear features is trivial */
s->autoclear_features = 0;
- ret = qcow2_expand_zero_clusters(bs, status_cb);
+ ret = qcow2_expand_zero_clusters(bs, status_cb, cb_opaque);
if (ret < 0) {
return ret;
}
@@ -2934,7 +2934,8 @@ static int qcow2_downgrade(BlockDriverState *bs, int target_version,
}
static int qcow2_amend_options(BlockDriverState *bs, QemuOpts *opts,
- BlockDriverAmendStatusCB *status_cb)
+ BlockDriverAmendStatusCB *status_cb,
+ void *cb_opaque)
{
BDRVQcow2State *s = bs->opaque;
int old_version = s->qcow_version, new_version = old_version;
@@ -3017,7 +3018,7 @@ static int qcow2_amend_options(BlockDriverState *bs, QemuOpts *opts,
return ret;
}
} else {
- ret = qcow2_downgrade(bs, new_version, status_cb);
+ ret = qcow2_downgrade(bs, new_version, status_cb, cb_opaque);
if (ret < 0) {
return ret;
}
diff --git a/block/qcow2.h b/block/qcow2.h
index b8c500b9dc..a9794deee3 100644
--- a/block/qcow2.h
+++ b/block/qcow2.h
@@ -553,7 +553,8 @@ int qcow2_discard_clusters(BlockDriverState *bs, uint64_t offset,
int qcow2_zero_clusters(BlockDriverState *bs, uint64_t offset, int nb_sectors);
int qcow2_expand_zero_clusters(BlockDriverState *bs,
- BlockDriverAmendStatusCB *status_cb);
+ BlockDriverAmendStatusCB *status_cb,
+ void *cb_opaque);
/* qcow2-snapshot.c functions */
int qcow2_snapshot_create(BlockDriverState *bs, QEMUSnapshotInfo *sn_info);