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qemu-img: Make MapEntry a QAPI struct

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The "flags" bit mask is expanded to two booleans, "data" and "zero";
"bs" is replaced with "filename" string.

Refactor the merge conditions in img_map() into entry_mergeable().

Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Message-id: 1453780743-16806-16-git-send-email-famz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
Fam Zheng 2016-01-26 11:59:02 +08:00 • committed by Max Reitz
parent 9e43034008
commit 16b0d55586
2 changed files with 69 additions and 29 deletions
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27
qapi/block-core.json
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@ -185,6 +185,33 @@
'*total-clusters': 'int', '*allocated-clusters': 'int',
'*fragmented-clusters': 'int', '*compressed-clusters': 'int' } }
##
# @MapEntry:
#
# Mapping information from a virtual block range to a host file range
#
# @start: the start byte of the mapped virtual range
#
# @length: the number of bytes of the mapped virtual range
#
# @data: whether the mapped range has data
#
# @zero: whether the virtual blocks are zeroed
#
# @depth: the depth of the mapping
#
# @offset: #optional the offset in file that the virtual sectors are mapped to
#
# @filename: #optional filename that is referred to by @offset
#
# Since: 2.6
#
##
{ 'struct': 'MapEntry',
'data': {'start': 'int', 'length': 'int', 'data': 'bool',
'zero': 'bool', 'depth': 'int', '*offset': 'int',
'*filename': 'str' } }
##
# @BlockdevCacheInfo
#