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[Qemu-block] [PATCH 06/13] block: Add block-specific QDict header

From: Max Reitz
Subject: [Qemu-block] [PATCH 06/13] block: Add block-specific QDict header
Date: Wed, 9 May 2018 18:55:23 +0200 
There are numerous QDict functions that have been introduced for and are
used only by the block layer.  Move their declarations into an own
header file to reflect that.

While qdict_extract_subqdict() is in fact used outside of the block
layer (in util/qemu-config.c), it is still a function related very
closely to how the block layer works with nested QDicts, namely by
sometimes flattening them.  Therefore, its declaration is put into this
header as well and util/qemu-config.c includes it with a comment stating
exactly which function it needs.

Suggested-by: Markus Armbruster <address@hidden>
Signed-off-by: Max Reitz <address@hidden>
---
 include/block/qdict.h    | 35 +++++++++++++++++++++++++++++++++++
 include/qapi/qmp/qdict.h | 17 -----------------
 block.c                  |  1 +
 block/gluster.c          |  1 +
 block/iscsi.c            |  1 +
 block/nbd.c              |  1 +
 block/nfs.c              |  1 +
 block/parallels.c        |  1 +
 block/qcow.c             |  1 +
 block/qcow2.c            |  1 +
 block/qed.c              |  1 +
 block/quorum.c           |  1 +
 block/rbd.c              |  1 +
 block/sheepdog.c         |  1 +
 block/snapshot.c         |  1 +
 block/ssh.c              |  1 +
 block/vhdx.c             |  1 +
 block/vpc.c              |  1 +
 block/vvfat.c            |  1 +
 block/vxhs.c             |  1 +
 blockdev.c               |  1 +
 qobject/qdict.c          |  1 +
 tests/check-qdict.c      |  1 +
 tests/check-qobject.c    |  1 +
 tests/test-replication.c |  1 +
 util/qemu-config.c       |  1 +
 26 files changed, 59 insertions(+), 17 deletions(-)
 create mode 100644 include/block/qdict.h

diff --git a/include/block/qdict.h b/include/block/qdict.h
new file mode 100644
index 0000000000..825e096a72
--- /dev/null
+++ b/include/block/qdict.h
@@ -0,0 +1,35 @@
+/*
+ * Special QDict functions used by the block layer
+ *
+ * Copyright (c) 2018 Red Hat, Inc.
+ *
+ * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
+ * See the COPYING.LIB file in the top-level directory.
+ */
+
+#ifndef BLOCK_QDICT_H
+#define BLOCK_QDICT_H
+
+#include "qapi/qmp/qdict.h"
+#include "qapi/qmp/qobject.h"
+#include "qapi/error.h"
+
+
+void qdict_copy_default(QDict *dst, QDict *src, const char *key);
+void qdict_set_default_str(QDict *dst, const char *key, const char *val);
+
+void qdict_join(QDict *dest, QDict *src, bool overwrite);
+
+void qdict_extract_subqdict(QDict *src, QDict **dst, const char *start);
+void qdict_array_split(QDict *src, QList **dst);
+int qdict_array_entries(QDict *src, const char *subqdict);
+QObject *qdict_crumple(const QDict *src, Error **errp);
+void qdict_flatten(QDict *qdict);
+
+typedef struct QDictRenames {
+    const char *from;
+    const char *to;
+} QDictRenames;
+bool qdict_rename_keys(QDict *qdict, const QDictRenames *renames, Error 
**errp);
+
+#endif
diff --git a/include/qapi/qmp/qdict.h b/include/qapi/qmp/qdict.h
index 921a28d2d3..7f3ec10a10 100644
--- a/include/qapi/qmp/qdict.h
+++ b/include/qapi/qmp/qdict.h
@@ -67,23 +67,6 @@ int64_t qdict_get_try_int(const QDict *qdict, const char 
*key,
 bool qdict_get_try_bool(const QDict *qdict, const char *key, bool def_value);
 const char *qdict_get_try_str(const QDict *qdict, const char *key);
 
-void qdict_copy_default(QDict *dst, QDict *src, const char *key);
-void qdict_set_default_str(QDict *dst, const char *key, const char *val);
-
 QDict *qdict_clone_shallow(const QDict *src);
-void qdict_flatten(QDict *qdict);
-
-void qdict_extract_subqdict(QDict *src, QDict **dst, const char *start);
-void qdict_array_split(QDict *src, QList **dst);
-int qdict_array_entries(QDict *src, const char *subqdict);
-QObject *qdict_crumple(const QDict *src, Error **errp);
-
-void qdict_join(QDict *dest, QDict *src, bool overwrite);
-
-typedef struct QDictRenames {
-    const char *from;
-    const char *to;
-} QDictRenames;
-bool qdict_rename_keys(QDict *qdict, const QDictRenames *renames, Error 
**errp);
 
 #endif /* QDICT_H */
diff --git a/block.c b/block.c
index 676e57f562..3c3e8fd11d 100644
--- a/block.c
+++ b/block.c
@@ -27,6 +27,7 @@
 #include "block/block_int.h"
 #include "block/blockjob.h"
 #include "block/nbd.h"
+#include "block/qdict.h"
 #include "qemu/error-report.h"
 #include "module_block.h"
 #include "qemu/module.h"
diff --git a/block/gluster.c b/block/gluster.c
index 9900b6420c..b5fe7f3e87 100644
--- a/block/gluster.c
+++ b/block/gluster.c
@@ -11,6 +11,7 @@
 #include "qemu/osdep.h"
 #include <glusterfs/api/glfs.h>
 #include "block/block_int.h"
+#include "block/qdict.h"
 #include "qapi/error.h"
 #include "qapi/qmp/qdict.h"
 #include "qapi/qmp/qerror.h"
diff --git a/block/iscsi.c b/block/iscsi.c
index 3fd7203916..d70e8aea84 100644
--- a/block/iscsi.c
+++ b/block/iscsi.c
@@ -33,6 +33,7 @@
 #include "qemu/bitops.h"
 #include "qemu/bitmap.h"
 #include "block/block_int.h"
+#include "block/qdict.h"
 #include "scsi/constants.h"
 #include "qemu/iov.h"
 #include "qemu/option.h"
diff --git a/block/nbd.c b/block/nbd.c
index 3e1693cc55..f499830410 100644
--- a/block/nbd.c
+++ b/block/nbd.c
@@ -28,6 +28,7 @@
 
 #include "qemu/osdep.h"
 #include "block/nbd-client.h"
+#include "block/qdict.h"
 #include "qapi/error.h"
 #include "qemu/uri.h"
 #include "block/block_int.h"
diff --git a/block/nfs.c b/block/nfs.c
index 66fddf12d4..5159ef0aa7 100644
--- a/block/nfs.c
+++ b/block/nfs.c
@@ -29,6 +29,7 @@
 #include "qemu/error-report.h"
 #include "qapi/error.h"
 #include "block/block_int.h"
+#include "block/qdict.h"
 #include "trace.h"
 #include "qemu/iov.h"
 #include "qemu/option.h"
diff --git a/block/parallels.c b/block/parallels.c
index 6e9c37f44e..c1d9643498 100644
--- a/block/parallels.c
+++ b/block/parallels.c
@@ -31,6 +31,7 @@
 #include "qemu/osdep.h"
 #include "qapi/error.h"
 #include "block/block_int.h"
+#include "block/qdict.h"
 #include "sysemu/block-backend.h"
 #include "qemu/module.h"
 #include "qemu/option.h"
diff --git a/block/qcow.c b/block/qcow.c
index 3ba2ca25ea..e34eedc903 100644
--- a/block/qcow.c
+++ b/block/qcow.c
@@ -26,6 +26,7 @@
 #include "qapi/error.h"
 #include "qemu/error-report.h"
 #include "block/block_int.h"
+#include "block/qdict.h"
 #include "sysemu/block-backend.h"
 #include "qemu/module.h"
 #include "qemu/option.h"
diff --git a/block/qcow2.c b/block/qcow2.c
index 6d532470a8..416ab54298 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -24,6 +24,7 @@
 
 #include "qemu/osdep.h"
 #include "block/block_int.h"
+#include "block/qdict.h"
 #include "sysemu/block-backend.h"
 #include "qemu/module.h"
 #include <zlib.h>
diff --git a/block/qed.c b/block/qed.c
index 65cfe92393..324a953cbc 100644
--- a/block/qed.c
+++ b/block/qed.c
@@ -13,6 +13,7 @@
  */
 
 #include "qemu/osdep.h"
+#include "block/qdict.h"
 #include "qapi/error.h"
 #include "qemu/timer.h"
 #include "qemu/bswap.h"
diff --git a/block/quorum.c b/block/quorum.c
index e448d7e384..0d90a02583 100644
--- a/block/quorum.c
+++ b/block/quorum.c
@@ -17,6 +17,7 @@
 #include "qemu/cutils.h"
 #include "qemu/option.h"
 #include "block/block_int.h"
+#include "block/qdict.h"
 #include "qapi/error.h"
 #include "qapi/qapi-events-block.h"
 #include "qapi/qmp/qdict.h"
diff --git a/block/rbd.c b/block/rbd.c
index a16431e267..ad5fd30b43 100644
--- a/block/rbd.c
+++ b/block/rbd.c
@@ -18,6 +18,7 @@
 #include "qemu/error-report.h"
 #include "qemu/option.h"
 #include "block/block_int.h"
+#include "block/qdict.h"
 #include "crypto/secret.h"
 #include "qemu/cutils.h"
 #include "qapi/qmp/qstring.h"
diff --git a/block/sheepdog.c b/block/sheepdog.c
index 4237132419..bf7ab896d2 100644
--- a/block/sheepdog.c
+++ b/block/sheepdog.c
@@ -24,6 +24,7 @@
 #include "qemu/option.h"
 #include "qemu/sockets.h"
 #include "block/block_int.h"
+#include "block/qdict.h"
 #include "sysemu/block-backend.h"
 #include "qemu/bitops.h"
 #include "qemu/cutils.h"
diff --git a/block/snapshot.c b/block/snapshot.c
index 2953d96c06..f9903bc94e 100644
--- a/block/snapshot.c
+++ b/block/snapshot.c
@@ -25,6 +25,7 @@
 #include "qemu/osdep.h"
 #include "block/snapshot.h"
 #include "block/block_int.h"
+#include "block/qdict.h"
 #include "qapi/error.h"
 #include "qapi/qmp/qdict.h"
 #include "qapi/qmp/qerror.h"
diff --git a/block/ssh.c b/block/ssh.c
index 4c4fa3ccfc..eec37dd27c 100644
--- a/block/ssh.c
+++ b/block/ssh.c
@@ -28,6 +28,7 @@
 #include <libssh2_sftp.h>
 
 #include "block/block_int.h"
+#include "block/qdict.h"
 #include "qapi/error.h"
 #include "qemu/error-report.h"
 #include "qemu/option.h"
diff --git a/block/vhdx.c b/block/vhdx.c
index 0b1e21c750..b409acfeb2 100644
--- a/block/vhdx.c
+++ b/block/vhdx.c
@@ -18,6 +18,7 @@
 #include "qemu/osdep.h"
 #include "qapi/error.h"
 #include "block/block_int.h"
+#include "block/qdict.h"
 #include "sysemu/block-backend.h"
 #include "qemu/module.h"
 #include "qemu/option.h"
diff --git a/block/vpc.c b/block/vpc.c
index 0ebfcd3cc8..41c8c980f1 100644
--- a/block/vpc.c
+++ b/block/vpc.c
@@ -26,6 +26,7 @@
 #include "qemu/osdep.h"
 #include "qapi/error.h"
 #include "block/block_int.h"
+#include "block/qdict.h"
 #include "sysemu/block-backend.h"
 #include "qemu/module.h"
 #include "qemu/option.h"
diff --git a/block/vvfat.c b/block/vvfat.c
index 662dca0114..4595f335b8 100644
--- a/block/vvfat.c
+++ b/block/vvfat.c
@@ -27,6 +27,7 @@
 #include <dirent.h>
 #include "qapi/error.h"
 #include "block/block_int.h"
+#include "block/qdict.h"
 #include "qemu/module.h"
 #include "qemu/option.h"
 #include "qemu/bswap.h"
diff --git a/block/vxhs.c b/block/vxhs.c
index 339e23218d..0cb0a007e9 100644
--- a/block/vxhs.c
+++ b/block/vxhs.c
@@ -12,6 +12,7 @@
 #include <qnio/qnio_api.h>
 #include <sys/param.h>
 #include "block/block_int.h"
+#include "block/qdict.h"
 #include "qapi/qmp/qerror.h"
 #include "qapi/qmp/qdict.h"
 #include "qapi/qmp/qstring.h"
diff --git a/blockdev.c b/blockdev.c
index 3808b1fc00..19c04d9276 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -35,6 +35,7 @@
 #include "sysemu/blockdev.h"
 #include "hw/block/block.h"
 #include "block/blockjob.h"
+#include "block/qdict.h"
 #include "block/throttle-groups.h"
 #include "monitor/monitor.h"
 #include "qemu/error-report.h"
diff --git a/qobject/qdict.c b/qobject/qdict.c
index 22800eeceb..0554c64553 100644
--- a/qobject/qdict.c
+++ b/qobject/qdict.c
@@ -11,6 +11,7 @@
  */
 
 #include "qemu/osdep.h"
+#include "block/qdict.h"
 #include "qapi/qmp/qnum.h"
 #include "qapi/qmp/qdict.h"
 #include "qapi/qmp/qbool.h"
diff --git a/tests/check-qdict.c b/tests/check-qdict.c
index eba5d3528e..93e2112b6d 100644
--- a/tests/check-qdict.c
+++ b/tests/check-qdict.c
@@ -11,6 +11,7 @@
  */
 
 #include "qemu/osdep.h"
+#include "block/qdict.h"
 #include "qapi/qmp/qdict.h"
 #include "qapi/qmp/qlist.h"
 #include "qapi/qmp/qnum.h"
diff --git a/tests/check-qobject.c b/tests/check-qobject.c
index 5cb08fcb63..16ccbde82c 100644
--- a/tests/check-qobject.c
+++ b/tests/check-qobject.c
@@ -8,6 +8,7 @@
  */
 
 #include "qemu/osdep.h"
+#include "block/qdict.h"
 #include "qapi/qmp/qbool.h"
 #include "qapi/qmp/qdict.h"
 #include "qapi/qmp/qlist.h"
diff --git a/tests/test-replication.c b/tests/test-replication.c
index 68c0d04f2a..c8165ae954 100644
--- a/tests/test-replication.c
+++ b/tests/test-replication.c
@@ -15,6 +15,7 @@
 #include "qemu/option.h"
 #include "replication.h"
 #include "block/block_int.h"
+#include "block/qdict.h"
 #include "sysemu/block-backend.h"
 
 #define IMG_SIZE (64 * 1024 * 1024)
diff --git a/util/qemu-config.c b/util/qemu-config.c
index 14d84022dc..9d2e278e29 100644
--- a/util/qemu-config.c
+++ b/util/qemu-config.c
@@ -1,4 +1,5 @@
 #include "qemu/osdep.h"
+#include "block/qdict.h" /* for qdict_extract_subqdict() */
 #include "qapi/error.h"
 #include "qapi/qapi-commands-misc.h"
 #include "qapi/qmp/qdict.h"
-- 
2.14.3
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