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authorKevin Wolf <kwolf@redhat.com>2019-02-22 14:29:38 +0100
committerKevin Wolf <kwolf@redhat.com>2019-03-08 12:26:46 +0100
commit6c3944dc6219cefef6a968cf300d227fe3f92388 (patch)
treea29c719a0dd5e302ee767a839512cd388d940f93 /include/block/block_int.h
parent9b890bdcb6ec11868da92c1daeb51c69d9483da8 (diff)
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qcow2: Implement data-file-raw create option
Provide an option to force QEMU to always keep the external data file consistent as a standalone read-only raw image. At the moment, this means making sure that write_zeroes requests are forwarded to the data file instead of just updating the metadata, and checking that no backing file is used. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'include/block/block_int.h')
-rw-r--r--include/block/block_int.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/block/block_int.h b/include/block/block_int.h
index acd29ce..a23caba 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -57,6 +57,7 @@
#define BLOCK_OPT_OBJECT_SIZE "object_size"
#define BLOCK_OPT_REFCOUNT_BITS "refcount_bits"
#define BLOCK_OPT_DATA_FILE "data_file"
+#define BLOCK_OPT_DATA_FILE_RAW "data_file_raw"
#define BLOCK_PROBE_BUF_SIZE 512