diff options
Diffstat (limited to 'block/snapshot.c')
| -rw-r--r-- | block/snapshot.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/block/snapshot.c b/block/snapshot.c index ccacda8bd5..d6f53c3065 100644 --- a/block/snapshot.c +++ b/block/snapshot.c @@ -57,6 +57,8 @@ int bdrv_snapshot_find(BlockDriverState *bs, QEMUSnapshotInfo *sn_info, QEMUSnapshotInfo *sn_tab, *sn; int nb_sns, i, ret; + GLOBAL_STATE_CODE(); + ret = -ENOENT; nb_sns = bdrv_snapshot_list(bs, &sn_tab); if (nb_sns < 0) { @@ -105,6 +107,7 @@ bool bdrv_snapshot_find_by_id_and_name(BlockDriverState *bs, bool ret = false; assert(id || name); + GLOBAL_STATE_CODE(); nb_sns = bdrv_snapshot_list(bs, &sn_tab); if (nb_sns < 0) { @@ -200,6 +203,7 @@ static BlockDriverState *bdrv_snapshot_fallback(BlockDriverState *bs) int bdrv_can_snapshot(BlockDriverState *bs) { BlockDriver *drv = bs->drv; + GLOBAL_STATE_CODE(); if (!drv || !bdrv_is_inserted(bs) || bdrv_is_read_only(bs)) { return 0; } @@ -220,6 +224,9 @@ int bdrv_snapshot_create(BlockDriverState *bs, { BlockDriver *drv = bs->drv; BlockDriverState *fallback_bs = bdrv_snapshot_fallback(bs); + + GLOBAL_STATE_CODE(); + if (!drv) { return -ENOMEDIUM; } @@ -240,6 +247,8 @@ int bdrv_snapshot_goto(BlockDriverState *bs, BdrvChild **fallback_ptr; int ret, open_ret; + GLOBAL_STATE_CODE(); + if (!drv) { error_setg(errp, "Block driver is closed"); return -ENOMEDIUM; @@ -348,6 +357,8 @@ int bdrv_snapshot_delete(BlockDriverState *bs, BlockDriverState *fallback_bs = bdrv_snapshot_fallback(bs); int ret; + GLOBAL_STATE_CODE(); + if (!drv) { error_setg(errp, QERR_DEVICE_HAS_NO_MEDIUM, bdrv_get_device_name(bs)); return -ENOMEDIUM; @@ -380,6 +391,8 @@ int bdrv_snapshot_list(BlockDriverState *bs, { BlockDriver *drv = bs->drv; BlockDriverState *fallback_bs = bdrv_snapshot_fallback(bs); + + GLOBAL_STATE_CODE(); if (!drv) { return -ENOMEDIUM; } @@ -419,6 +432,8 @@ int bdrv_snapshot_load_tmp(BlockDriverState *bs, { BlockDriver *drv = bs->drv; + GLOBAL_STATE_CODE(); + if (!drv) { error_setg(errp, QERR_DEVICE_HAS_NO_MEDIUM, bdrv_get_device_name(bs)); return -ENOMEDIUM; @@ -447,6 +462,8 @@ int bdrv_snapshot_load_tmp_by_id_or_name(BlockDriverState *bs, int ret; Error *local_err = NULL; + GLOBAL_STATE_CODE(); + ret = bdrv_snapshot_load_tmp(bs, id_or_name, NULL, &local_err); if (ret == -ENOENT || ret == -EINVAL) { error_free(local_err); @@ -515,6 +532,8 @@ bool bdrv_all_can_snapshot(bool has_devices, strList *devices, g_autoptr(GList) bdrvs = NULL; GList *iterbdrvs; + GLOBAL_STATE_CODE(); + if (bdrv_all_get_snapshot_devices(has_devices, devices, &bdrvs, errp) < 0) { return false; } @@ -549,6 +568,8 @@ int bdrv_all_delete_snapshot(const char *name, g_autoptr(GList) bdrvs = NULL; GList *iterbdrvs; + GLOBAL_STATE_CODE(); + if (bdrv_all_get_snapshot_devices(has_devices, devices, &bdrvs, errp) < 0) { return -1; } @@ -588,6 +609,8 @@ int bdrv_all_goto_snapshot(const char *name, g_autoptr(GList) bdrvs = NULL; GList *iterbdrvs; + GLOBAL_STATE_CODE(); + if (bdrv_all_get_snapshot_devices(has_devices, devices, &bdrvs, errp) < 0) { return -1; } @@ -622,6 +645,8 @@ int bdrv_all_has_snapshot(const char *name, g_autoptr(GList) bdrvs = NULL; GList *iterbdrvs; + GLOBAL_STATE_CODE(); + if (bdrv_all_get_snapshot_devices(has_devices, devices, &bdrvs, errp) < 0) { return -1; } @@ -663,6 +688,7 @@ int bdrv_all_create_snapshot(QEMUSnapshotInfo *sn, { g_autoptr(GList) bdrvs = NULL; GList *iterbdrvs; + GLOBAL_STATE_CODE(); if (bdrv_all_get_snapshot_devices(has_devices, devices, &bdrvs, errp) < 0) { return -1; @@ -703,6 +729,8 @@ BlockDriverState *bdrv_all_find_vmstate_bs(const char *vmstate_bs, g_autoptr(GList) bdrvs = NULL; GList *iterbdrvs; + GLOBAL_STATE_CODE(); + if (bdrv_all_get_snapshot_devices(has_devices, devices, &bdrvs, errp) < 0) { return NULL; } |