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qapi/block: Document restrictions for node names 

blockdev-add fails if an invalid node name is given, so we should
document what a valid node name even is.

Reported-by: Cong Li <coli@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Cong Li <coli@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
This commit is contained in:
Kevin Wolf 2018-08-06 14:35:10 +02:00
parent 6984eb8da2
commit dbfdf6cb36
1 changed files with 3 additions and 0 deletions
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3
qapi/block-core.json
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@ -3572,6 +3572,9 @@
# @driver: block driver name
# @node-name: the node name of the new node (Since 2.0).
# This option is required on the top level of blockdev-add.
# Valid node names start with an alphabetic character and may
# contain only alphanumeric characters, '-', '.' and '_'. Their
# maximum length is 31 characters.
# @discard: discard-related options (default: ignore)
# @cache: cache-related options
# @read-only: whether the block device should be read-only (default: false).