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mdbx: переименование MDBX_COMMIT_PAGES в MDBX_AUXILARY_IOV_MAX.

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This commit is contained in:
Леонид Юрьев (Leonid Yuriev) 2022-10-20 19:00:29 +03:00
parent 753fa13048
commit 4e95a079ee
2 changed files with 10 additions and 10 deletions
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8
src/core.c
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@ -4047,15 +4047,15 @@ __cold static void kill_page(MDBX_txn *txn, MDBX_page *mp, pgno_t pgno,
if ((txn->mt_flags & MDBX_WRITEMAP) == 0)
osal_pwrite(env->me_lazy_fd, mp, bytes, pgno2bytes(env, pgno));
} else {
struct iovec iov[MDBX_COMMIT_PAGES];
struct iovec iov[MDBX_AUXILARY_IOV_MAX];
iov[0].iov_len = env->me_psize;
iov[0].iov_base = (char *)env->me_pbuf + env->me_psize;
size_t iov_off = pgno2bytes(env, pgno), n = 1;
while (--npages) {
iov[n] = iov[0];
if (++n == MDBX_COMMIT_PAGES) {
osal_pwritev(env->me_lazy_fd, iov, MDBX_COMMIT_PAGES, iov_off);
iov_off += pgno2bytes(env, MDBX_COMMIT_PAGES);
if (++n == MDBX_AUXILARY_IOV_MAX) {
osal_pwritev(env->me_lazy_fd, iov, MDBX_AUXILARY_IOV_MAX, iov_off);
iov_off += pgno2bytes(env, MDBX_AUXILARY_IOV_MAX);
n = 0;
}
}

12
src/internals.h
View File

@ -1579,12 +1579,12 @@ typedef struct MDBX_node {
#error "Oops, some flags overlapped or wrong"
#endif
/* max number of pages to commit in one writev() call */
#define MDBX_COMMIT_PAGES 64
#if defined(IOV_MAX) && IOV_MAX < MDBX_COMMIT_PAGES /* sysconf(_SC_IOV_MAX) */
#undef MDBX_COMMIT_PAGES
#define MDBX_COMMIT_PAGES IOV_MAX
#endif
/* Max length of iov-vector passed to writev() call, used for auxilary writes */
#define MDBX_AUXILARY_IOV_MAX 64
#if defined(IOV_MAX) && IOV_MAX < MDBX_AUXILARY_IOV_MAX
#undef MDBX_AUXILARY_IOV_MAX
#define MDBX_AUXILARY_IOV_MAX IOV_MAX
#endif /* MDBX_AUXILARY_IOV_MAX */
/*
* /