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-rw-r--r--block/iscsi.c10
-rw-r--r--block/mirror.c19
-rw-r--r--block/qcow2-snapshot.c8
-rw-r--r--block/vmdk.c6
4 files changed, 29 insertions, 14 deletions
diff --git a/block/iscsi.c b/block/iscsi.c
index 0a4ec3a63f..f8e496f8ef 100644
--- a/block/iscsi.c
+++ b/block/iscsi.c
@@ -1099,6 +1099,10 @@ fail:
/*
* We support iscsi url's on the form
* iscsi://[<username>%<password>@]<host>[:<port>]/<targetname>/<lun>
+ *
+ * Note: flags are currently not used by iscsi_open. If this function
+ * is changed such that flags are used, please examine iscsi_reopen_prepare()
+ * to see if needs to be changed as well.
*/
static int iscsi_open(BlockDriverState *bs, QDict *options, int flags,
Error **errp)
@@ -1336,11 +1340,13 @@ static int iscsi_refresh_limits(BlockDriverState *bs)
return 0;
}
-/* We have nothing to do for iSCSI reopen, stub just returns
- * success */
+/* Since iscsi_open() ignores bdrv_flags, there is nothing to do here in
+ * prepare. Note that this will not re-establish a connection with an iSCSI
+ * target - it is effectively a NOP. */
static int iscsi_reopen_prepare(BDRVReopenState *state,
BlockReopenQueue *queue, Error **errp)
{
+ /* NOP */
return 0;
}
diff --git a/block/mirror.c b/block/mirror.c
index 2a4333474e..e683959570 100644
--- a/block/mirror.c
+++ b/block/mirror.c
@@ -633,6 +633,8 @@ void commit_active_start(BlockDriverState *bs, BlockDriverState *base,
{
int64_t length, base_length;
int orig_base_flags;
+ int ret;
+ Error *local_err = NULL;
orig_base_flags = bdrv_get_flags(base);
@@ -642,19 +644,23 @@ void commit_active_start(BlockDriverState *bs, BlockDriverState *base,
length = bdrv_getlength(bs);
if (length < 0) {
- error_setg(errp, "Unable to determine length of %s", bs->filename);
+ error_setg_errno(errp, -length,
+ "Unable to determine length of %s", bs->filename);
goto error_restore_flags;
}
base_length = bdrv_getlength(base);
if (base_length < 0) {
- error_setg(errp, "Unable to determine length of %s", base->filename);
+ error_setg_errno(errp, -base_length,
+ "Unable to determine length of %s", base->filename);
goto error_restore_flags;
}
if (length > base_length) {
- if (bdrv_truncate(base, length) < 0) {
- error_setg(errp, "Top image %s is larger than base image %s, and "
+ ret = bdrv_truncate(base, length);
+ if (ret < 0) {
+ error_setg_errno(errp, -ret,
+ "Top image %s is larger than base image %s, and "
"resize of base image failed",
bs->filename, base->filename);
goto error_restore_flags;
@@ -663,9 +669,10 @@ void commit_active_start(BlockDriverState *bs, BlockDriverState *base,
bdrv_ref(base);
mirror_start_job(bs, base, speed, 0, 0,
- on_error, on_error, cb, opaque, errp,
+ on_error, on_error, cb, opaque, &local_err,
&commit_active_job_driver, false, base);
- if (error_is_set(errp)) {
+ if (error_is_set(&local_err)) {
+ error_propagate(errp, local_err);
goto error_restore_flags;
}
diff --git a/block/qcow2-snapshot.c b/block/qcow2-snapshot.c
index ad8bf3dcd9..2fc6320aa1 100644
--- a/block/qcow2-snapshot.c
+++ b/block/qcow2-snapshot.c
@@ -606,7 +606,8 @@ int qcow2_snapshot_delete(BlockDriverState *bs,
s->nb_snapshots--;
ret = qcow2_write_snapshots(bs);
if (ret < 0) {
- error_setg(errp, "Failed to remove snapshot from snapshot list");
+ error_setg_errno(errp, -ret,
+ "Failed to remove snapshot from snapshot list");
return ret;
}
@@ -624,7 +625,7 @@ int qcow2_snapshot_delete(BlockDriverState *bs,
ret = qcow2_update_snapshot_refcount(bs, sn.l1_table_offset,
sn.l1_size, -1);
if (ret < 0) {
- error_setg(errp, "Failed to free the cluster and L1 table");
+ error_setg_errno(errp, -ret, "Failed to free the cluster and L1 table");
return ret;
}
qcow2_free_clusters(bs, sn.l1_table_offset, sn.l1_size * sizeof(uint64_t),
@@ -633,7 +634,8 @@ int qcow2_snapshot_delete(BlockDriverState *bs,
/* must update the copied flag on the current cluster offsets */
ret = qcow2_update_snapshot_refcount(bs, s->l1_table_offset, s->l1_size, 0);
if (ret < 0) {
- error_setg(errp, "Failed to update snapshot status in disk");
+ error_setg_errno(errp, -ret,
+ "Failed to update snapshot status in disk");
return ret;
}
diff --git a/block/vmdk.c b/block/vmdk.c
index e809e2ef46..ff6f5ee911 100644
--- a/block/vmdk.c
+++ b/block/vmdk.c
@@ -1502,7 +1502,7 @@ static int vmdk_create_extent(const char *filename, int64_t filesize,
if (flat) {
ret = bdrv_truncate(bs, filesize);
if (ret < 0) {
- error_setg(errp, "Could not truncate file");
+ error_setg_errno(errp, -ret, "Could not truncate file");
}
goto exit;
}
@@ -1562,7 +1562,7 @@ static int vmdk_create_extent(const char *filename, int64_t filesize,
ret = bdrv_truncate(bs, le64_to_cpu(header.grain_offset) << 9);
if (ret < 0) {
- error_setg(errp, "Could not truncate file");
+ error_setg_errno(errp, -ret, "Could not truncate file");
goto exit;
}
@@ -1846,7 +1846,7 @@ static int vmdk_create(const char *filename, QEMUOptionParameter *options,
if (desc_offset == 0) {
ret = bdrv_truncate(new_bs, desc_len);
if (ret < 0) {
- error_setg(errp, "Could not truncate file");
+ error_setg_errno(errp, -ret, "Could not truncate file");
}
}
exit: