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/*-
* Copyright (c) 2014-2015 MongoDB, Inc.
* Copyright (c) 2008-2014 WiredTiger, Inc.
* All rights reserved.
*
* See the file LICENSE for redistribution information.
*/
#include "wt_internal.h"
/*
* __wt_fallocate_config --
* Configure fallocate behavior for a file handle.
*/
void
__wt_fallocate_config(WT_SESSION_IMPL *session, WT_FH *fh)
{
fh->fallocate_available = WT_FALLOCATE_AVAILABLE;
/*
* We use a separate handle for file size changes, so there's no need
* for locking.
*/
fh->fallocate_requires_locking = 0;
}
/*
* __wt_fallocate --
* Allocate space for a file handle.
*/
int
__wt_fallocate(
WT_SESSION_IMPL *session, WT_FH *fh, wt_off_t offset, wt_off_t len)
{
WT_DECL_RET;
LARGE_INTEGER largeint;
WT_RET(__wt_verbose(
session, WT_VERB_FILEOPS, "%s: fallocate", fh->name));
largeint.QuadPart = offset + len;
if ((ret = SetFilePointerEx(
fh->filehandle_secondary, largeint, NULL, FILE_BEGIN)) == FALSE)
WT_RET_MSG(session,
__wt_errno(), "%s SetFilePointerEx error", fh->name);
if ((ret = SetEndOfFile(fh->filehandle_secondary)) != FALSE) {
fh->size = fh->extend_size = len;
return (0);
}
WT_RET_MSG(session, __wt_errno(), "%s SetEndOfFile error", fh->name);
}
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