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drr_begin: can't forward declare untagged struct 

When compiling with Clang++ it does not allow for untagged structs, so
struct ddr_begin needs to be declared before the struct that uses it.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Jorgen Lundman <lundman@lundman.net>
Closes #10453
This commit is contained in:
Jorgen Lundman 2020-06-17 03:57:04 +09:00 committed by GitHub
parent 86a0f49483
commit cd07d7c83f
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 14 additions and 10 deletions
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24
include/sys/zfs_ioctl.h
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@ -224,15 +224,8 @@ typedef enum dmu_send_resume_token_version {
/*
* zfs ioctl command structure
*/
typedef struct dmu_replay_record {
enum {
DRR_BEGIN, DRR_OBJECT, DRR_FREEOBJECTS,
DRR_WRITE, DRR_FREE, DRR_END, DRR_WRITE_BYREF,
DRR_SPILL, DRR_WRITE_EMBEDDED, DRR_OBJECT_RANGE, DRR_REDACT,
DRR_NUMTYPES
} drr_type;
uint32_t drr_payloadlen;
union {
/* Header is used in C++ so can't forward declare untagged struct */
struct drr_begin {
uint64_t drr_magic;
uint64_t drr_versioninfo; /* was drr_version */
@ -242,7 +235,18 @@ typedef struct dmu_replay_record {
uint64_t drr_toguid;
uint64_t drr_fromguid;
char drr_toname[MAXNAMELEN];
} drr_begin;
};
typedef struct dmu_replay_record {
enum {
DRR_BEGIN, DRR_OBJECT, DRR_FREEOBJECTS,
DRR_WRITE, DRR_FREE, DRR_END, DRR_WRITE_BYREF,
DRR_SPILL, DRR_WRITE_EMBEDDED, DRR_OBJECT_RANGE, DRR_REDACT,
DRR_NUMTYPES
} drr_type;
uint32_t drr_payloadlen;
union {
struct drr_begin drr_begin;
struct drr_end {
zio_cksum_t drr_checksum;
uint64_t drr_toguid;