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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 2008-2011 WiredTiger, Inc.
* All rights reserved.
*/
#include "wt_internal.h"
/*
* __wt_ovfl_in --
* Read an overflow item from the disk.
*/
int
__wt_ovfl_in(
WT_SESSION_IMPL *session, WT_BUF *store, const uint8_t *addr, uint32_t len)
{
WT_BSTAT_INCR(session, overflow_read);
/*
* Read an overflow page, using an address from a page for which we
* (better) have a hazard reference.
*
* Overflow reads are synchronous. That may bite me at some point, but
* WiredTiger supports large page sizes, overflow items should be rare.
*/
WT_RET(__wt_bm_read(session, store, addr, len));
/* Reference the start of the data and set the data's length. */
store->data = WT_PAGE_DISK_BYTE(store->mem);
store->size = ((WT_PAGE_DISK *)store->mem)->u.datalen;
return (0);
}
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