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nbd: Consistent typedef usage in header 

We had a mix of struct declarations followed by typedefs, and direct
struct definitions as part of a typedef.  Pick a single style.  Also
float forward declarations of opaque types to the top of the file,
rather than interspersed with function declarations, which will help a
future patch that wants to expose yet another opaque type that will be
referenced in NBDRequest.  No semantic impact.

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-ID: <20230608135653.2918540-3-eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
[eblake: alter patch per mailing list feedback]
Signed-off-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Eric Blake 2023-06-08 08:56:31 -05:00
parent f47b6eab83
commit 8d2931dc85
1 changed files with 13 additions and 18 deletions
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31
include/block/nbd.h
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@ -1,5 +1,5 @@
/*
* Copyright (C) 2016-2022 Red Hat, Inc.
* Copyright Red Hat
* Copyright (C) 2005 Anthony Liguori <anthony@codemonkey.ws>
*
* Network Block Device
@ -26,24 +26,26 @@
#include "qapi/error.h"
#include "qemu/bswap.h"
typedef struct NBDExport NBDExport;
typedef struct NBDClient NBDClient;
typedef struct NBDClientConnection NBDClientConnection;
extern const BlockExportDriver blk_exp_nbd;
/* Handshake phase structs - this struct is passed on the wire */
struct NBDOption {
typedef struct NBDOption {
uint64_t magic; /* NBD_OPTS_MAGIC */
uint32_t option; /* NBD_OPT_* */
uint32_t length;
} QEMU_PACKED;
typedef struct NBDOption NBDOption;
} QEMU_PACKED NBDOption;
struct NBDOptionReply {
typedef struct NBDOptionReply {
uint64_t magic; /* NBD_REP_MAGIC */
uint32_t option; /* NBD_OPT_* */
uint32_t type; /* NBD_REP_* */
uint32_t length;
} QEMU_PACKED;
typedef struct NBDOptionReply NBDOptionReply;
} QEMU_PACKED NBDOptionReply;
typedef struct NBDOptionReplyMetaContext {
NBDOptionReply h; /* h.type = NBD_REP_META_CONTEXT, h.length > 4 */
@ -56,14 +58,13 @@ typedef struct NBDOptionReplyMetaContext {
* Note: these are _NOT_ the same as the network representation of an NBD
* request and reply!
*/
struct NBDRequest {
typedef struct NBDRequest {
uint64_t handle;
uint64_t from;
uint32_t len;
uint16_t flags; /* NBD_CMD_FLAG_* */
uint16_t type; /* NBD_CMD_* */
};
typedef struct NBDRequest NBDRequest;
} NBDRequest;
typedef struct NBDSimpleReply {
uint32_t magic; /* NBD_SIMPLE_REPLY_MAGIC */
@ -282,7 +283,7 @@ static inline bool nbd_reply_type_is_error(int type)
#define NBD_ESHUTDOWN 108
/* Details collected by NBD_OPT_EXPORT_NAME and NBD_OPT_GO */
struct NBDExportInfo {
typedef struct NBDExportInfo {
/* Set by client before nbd_receive_negotiate() */
bool request_sizes;
char *x_dirty_bitmap;
@ -310,8 +311,7 @@ struct NBDExportInfo {
char *description;
int n_contexts;
char **contexts;
};
typedef struct NBDExportInfo NBDExportInfo;
} NBDExportInfo;
int nbd_receive_negotiate(AioContext *aio_context, QIOChannel *ioc,
QCryptoTLSCreds *tlscreds,
@ -330,9 +330,6 @@ int nbd_client(int fd);
int nbd_disconnect(int fd);
int nbd_errno_to_system_errno(int err);
typedef struct NBDExport NBDExport;
typedef struct NBDClient NBDClient;
void nbd_export_set_on_eject_blk(BlockExport *exp, BlockBackend *blk);
AioContext *nbd_export_aio_context(NBDExport *exp);
@ -409,8 +406,6 @@ const char *nbd_cmd_lookup(uint16_t info);
const char *nbd_err_lookup(int err);
/* nbd/client-connection.c */
typedef struct NBDClientConnection NBDClientConnection;
void nbd_client_connection_enable_retry(NBDClientConnection *conn);
NBDClientConnection *nbd_client_connection_new(const SocketAddress *saddr,