/*
* __bm_checkpoint_load --
* Load a checkpoint.
*/
static int
__bm_checkpoint_load(WT_BM *bm, WT_SESSION_IMPL *session,
const uint8_t *addr, size_t addr_size,
uint8_t *root_addr, size_t *root_addr_sizep, int checkpoint)
{
WT_CONNECTION_IMPL *conn;
conn = S2C(session);
/* If not opening a checkpoint, we're opening the live system. */
bm->is_live = !checkpoint;
WT_RET(__wt_block_checkpoint_load(session, bm->block,
addr, addr_size, root_addr, root_addr_sizep, checkpoint));
if (checkpoint) {
/*
* Read-only objects are optionally mapped into memory instead
* of being read into cache buffers.
*/
if (conn->mmap)
WT_RET(__wt_block_map(session, bm->block,
&bm->map, &bm->maplen, &bm->mappingcookie));
/*
* If this handle is for a checkpoint, that is, read-only, there
* isn't a lot you can do with it. Although the btree layer
* prevents attempts to write a checkpoint reference, paranoia
* is healthy.
*/
__bm_method_set(bm, 1);
}
return (0);
}
/*
* __wt_block_manager_open --
* Open a file.
*/
int
__wt_block_manager_open(WT_SESSION_IMPL *session,
const char *filename, const char *cfg[], int forced_salvage, WT_BM **bmp)
{
WT_BM *bm;
WT_DECL_RET;
*bmp = NULL;
WT_RET(__wt_calloc_def(session, 1, &bm));
__bm_method_set(bm, 0);
WT_ERR(__wt_block_open(
session, filename, cfg, forced_salvage, &bm->block));
*bmp = bm;
return (0);
err: WT_TRET(bm->close(bm, session));
return (ret);
}
/*
* __wt_block_manager_open --
* Open a file.
*/
int
__wt_block_manager_open(WT_SESSION_IMPL *session,
const char *filename, const char *cfg[],
bool forced_salvage, bool readonly, uint32_t allocsize, WT_BM **bmp)
{
WT_BM *bm;
WT_DECL_RET;
*bmp = NULL;
WT_RET(__wt_calloc_one(session, &bm));
__bm_method_set(bm, false);
WT_ERR(__wt_block_open(session, filename, cfg,
forced_salvage, readonly, allocsize, &bm->block));
*bmp = bm;
return (0);
err: WT_TRET(bm->close(bm, session));
return (ret);
}
