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mdbx: reorder fields in metapages.

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This commit is contained in:
Leo Yuriev 2017-05-26 15:46:45 +03:00
parent c02a3ac687
commit 9959fe8711
1 changed files with 3 additions and 3 deletions
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6
src/bits.h
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@ -246,10 +246,10 @@ typedef struct MDBX_meta {
#define mm_psize mm_dbs[FREE_DBI].md_xsize
/* Any persistent environment flags, see mdbx_env */
#define mm_flags mm_dbs[FREE_DBI].md_flags
mdbx_canary mm_canary;
/* Last used page in the datafile.
* Actually the file may be shorter if the freeDB lists the final pages. */
* Actually the file may be shorter if the freeDB lists the final pages. */
pgno_t mm_last_pg;
volatile txnid_t mm_txnid; /* txnid that committed this page */
#define MDBX_DATASIGN_NONE 0u
#define MDBX_DATASIGN_WEAK 1u
volatile uint64_t mm_datasync_sign;
@ -259,7 +259,7 @@ typedef struct MDBX_meta {
#define META_IS_WEAK(meta) SIGN_IS_WEAK((meta)->mm_datasync_sign)
#define META_IS_STEADY(meta) SIGN_IS_STEADY((meta)->mm_datasync_sign)
mdbx_canary mm_canary;
volatile txnid_t mm_txnid; /* txnid that committed this page */
} MDBX_meta;
/* Common header for all page types. The page type depends on mp_flags.