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-rw-r--r--qapi/block-core.json18
1 files changed, 10 insertions, 8 deletions
diff --git a/qapi/block-core.json b/qapi/block-core.json
index 4a46552816..052520331e 100644
--- a/qapi/block-core.json
+++ b/qapi/block-core.json
@@ -4221,13 +4221,15 @@
##
# @x-blockdev-reopen:
#
-# Reopens a block device using the given set of options. Any option
-# not specified will be reset to its default value regardless of its
-# previous status. If an option cannot be changed or a particular
+# Reopens one or more block devices using the given set of options.
+# Any option not specified will be reset to its default value regardless
+# of its previous status. If an option cannot be changed or a particular
# driver does not support reopening then the command will return an
-# error.
+# error. All devices in the list are reopened in one transaction, so
+# if one of them fails then the whole transaction is cancelled.
#
-# The top-level @node-name option (from BlockdevOptions) must be
+# The command receives a list of block devices to reopen. For each one
+# of them, the top-level @node-name option (from BlockdevOptions) must be
# specified and is used to select the block device to be reopened.
# Other @node-name options must be either omitted or set to the
# current name of the appropriate node. This command won't change any
@@ -4247,8 +4249,8 @@
#
# 4) NULL: the current child (if any) is detached.
#
-# Options (1) and (2) are supported in all cases, but at the moment
-# only @backing allows replacing or detaching an existing child.
+# Options (1) and (2) are supported in all cases. Option (3) is
+# supported for @file and @backing, and option (4) for @backing only.
#
# Unlike with blockdev-add, the @backing option must always be present
# unless the node being reopened does not have a backing file and its
@@ -4258,7 +4260,7 @@
# Since: 4.0
##
{ 'command': 'x-blockdev-reopen',
- 'data': 'BlockdevOptions', 'boxed': true }
+ 'data': { 'options': ['BlockdevOptions'] } }
##
# @blockdev-del: