Fixes#1933
When decoupling parent the updated parent_id was
not persisted to the blob if it was a snapshot.
Due to having md_ro set to true, blob_set_xattr()
failed.
Later on the incorrect parent_id could cause troubles
like in the github issue, when deleting that snapshot.
This patch adds return code check for blob_set_xattr
and forces md_ro to false during blob md sync.
Since some of code paths are shared between decouple,
inflate and clone operations, the final callback for them
is doing revert of the original md_ro.
Signed-off-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Change-Id: If017455f72e4d809fe533d9f986e5ae6bb8e2035
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/8420
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Community-CI: Mellanox Build Bot
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
68063cd8b6