diff options
| -rw-r--r-- | block/block-backend.c | 3 | ||||
| -rw-r--r-- | block/iscsi.c | 10 | ||||
| -rw-r--r-- | block/snapshot.c | 26 |
3 files changed, 34 insertions, 5 deletions
diff --git a/block/block-backend.c b/block/block-backend.c index a8f2b3440f..7405024e08 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -231,6 +231,9 @@ static void blk_delete(BlockBackend *blk) assert(!blk->refcnt); assert(!blk->name); assert(!blk->dev); + if (blk->public.throttle_state) { + blk_io_limits_disable(blk); + } if (blk->root) { blk_remove_bs(blk); } diff --git a/block/iscsi.c b/block/iscsi.c index 716e74abba..42fb0b019c 100644 --- a/block/iscsi.c +++ b/block/iscsi.c @@ -2092,6 +2092,7 @@ static int iscsi_create(const char *filename, QemuOpts *opts, Error **errp) BlockDriverState *bs; IscsiLun *iscsilun = NULL; QDict *bs_options; + Error *local_err = NULL; bs = bdrv_new(); @@ -2102,8 +2103,13 @@ static int iscsi_create(const char *filename, QemuOpts *opts, Error **errp) iscsilun = bs->opaque; bs_options = qdict_new(); - qdict_put(bs_options, "filename", qstring_from_str(filename)); - ret = iscsi_open(bs, bs_options, 0, NULL); + iscsi_parse_filename(filename, bs_options, &local_err); + if (local_err) { + error_propagate(errp, local_err); + ret = -EINVAL; + } else { + ret = iscsi_open(bs, bs_options, 0, NULL); + } QDECREF(bs_options); if (ret != 0) { diff --git a/block/snapshot.c b/block/snapshot.c index bf5c2ca5e1..06b1185d27 100644 --- a/block/snapshot.c +++ b/block/snapshot.c @@ -27,6 +27,7 @@ #include "block/block_int.h" #include "qapi/error.h" #include "qapi/qmp/qerror.h" +#include "qapi/qmp/qstring.h" QemuOptsList internal_snapshot_opts = { .name = "snapshot", @@ -189,14 +190,33 @@ int bdrv_snapshot_goto(BlockDriverState *bs, } if (bs->file) { + BlockDriverState *file; + QDict *options = qdict_clone_shallow(bs->options); + QDict *file_options; + + file = bs->file->bs; + /* Prevent it from getting deleted when detached from bs */ + bdrv_ref(file); + + qdict_extract_subqdict(options, &file_options, "file."); + QDECREF(file_options); + qdict_put(options, "file", qstring_from_str(bdrv_get_node_name(file))); + drv->bdrv_close(bs); - ret = bdrv_snapshot_goto(bs->file->bs, snapshot_id); - open_ret = drv->bdrv_open(bs, NULL, bs->open_flags, NULL); + bdrv_unref_child(bs, bs->file); + bs->file = NULL; + + ret = bdrv_snapshot_goto(file, snapshot_id); + open_ret = drv->bdrv_open(bs, options, bs->open_flags, NULL); + QDECREF(options); if (open_ret < 0) { - bdrv_unref(bs->file->bs); + bdrv_unref(file); bs->drv = NULL; return open_ret; } + + assert(bs->file->bs == file); + bdrv_unref(file); return ret; } |