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mdbx: добавление MDBX_opt_writethrough_threshold и сопутствующие доработки.

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This commit is contained in:
Леонид Юрьев (Leonid Yuriev)
2022-12-03 14:55:38 +03:00
parent 822952ef01
commit 23d236f70e
6 changed files with 266 additions and 113 deletions
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24
src/osal.h
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@@ -312,13 +312,12 @@ typedef struct osal_ioring {
unsigned slots_left;
unsigned allocated;
#if defined(_WIN32) || defined(_WIN64)
#define IOR_DIRECT 1
#define IOR_OVERLAPPED 2
#define IOR_STATE_LOCKED 1
HANDLE overlapped_fd;
unsigned pagesize;
unsigned last_sgvcnt;
size_t last_bytes;
uint8_t flags, state, pagesize_ln2;
uint8_t direct, state, pagesize_ln2;
unsigned event_stack;
HANDLE *event_pool;
volatile LONG async_waiting;
@@ -335,7 +334,6 @@ typedef struct osal_ioring {
#define ior_last_sgvcnt(ior, item) (1)
#define ior_last_bytes(ior, item) (item)->single.iov_len
#endif /* !Windows */
mdbx_filehandle_t fd;
ior_item_t *last;
ior_item_t *pool;
char *boundary;
@@ -344,11 +342,13 @@ typedef struct osal_ioring {
#ifndef __cplusplus
/* Actually this is not ioring for now, but on the way. */
MDBX_INTERNAL_FUNC int osal_ioring_create(osal_ioring_t *,
MDBX_INTERNAL_FUNC int osal_ioring_create(osal_ioring_t *
#if defined(_WIN32) || defined(_WIN64)
uint8_t flags,
,
bool enable_direct,
mdbx_filehandle_t overlapped_fd
#endif /* Windows */
mdbx_filehandle_t fd);
);
MDBX_INTERNAL_FUNC int osal_ioring_resize(osal_ioring_t *, size_t items);
MDBX_INTERNAL_FUNC void osal_ioring_destroy(osal_ioring_t *);
MDBX_INTERNAL_FUNC void osal_ioring_reset(osal_ioring_t *);
@@ -359,7 +359,7 @@ typedef struct osal_ioring_write_result {
unsigned wops;
} osal_ioring_write_result_t;
MDBX_INTERNAL_FUNC osal_ioring_write_result_t
osal_ioring_write(osal_ioring_t *ior);
osal_ioring_write(osal_ioring_t *ior, mdbx_filehandle_t fd);
typedef struct iov_ctx iov_ctx_t;
MDBX_INTERNAL_FUNC void osal_ioring_walk(
@@ -377,11 +377,13 @@ osal_ioring_used(const osal_ioring_t *ior) {
}
MDBX_MAYBE_UNUSED static inline int
osal_ioring_reserve(osal_ioring_t *ior, size_t items, size_t bytes) {
osal_ioring_prepare(osal_ioring_t *ior, size_t items, size_t bytes) {
items = (items > 32) ? items : 32;
#if defined(_WIN32) || defined(_WIN64)
const size_t npages = bytes >> ior->pagesize_ln2;
items = (items > npages) ? items : npages;
if (ior->direct) {
const size_t npages = bytes >> ior->pagesize_ln2;
items = (items > npages) ? items : npages;
}
#else
(void)bytes;
#endif