fis-gtm/sr_unix/gdsfilext_nojnl.c

96 lines
2.6 KiB
C

/****************************************************************
* *
* Copyright 2012 Fidelity Information Services, Inc *
* *
* This source code contains the intellectual property *
* of its copyright holder(s), and is made available *
* under a license. If you do not know the terms of *
* the license, please stop and do not read further. *
* *
****************************************************************/
#include "mdef.h"
#include <errno.h>
#include "gtm_string.h"
#include "gdsroot.h"
#include "gdsblk.h"
#include "gdsbml.h"
#include "gdsbt.h"
#include "gdsfhead.h"
#include "gdsblkops.h"
#include "gdscc.h"
#include "filestruct.h"
#include "jnl.h"
#include "min_max.h"
#include "t_qread.h"
#include "dse.h"
#include "gtmmsg.h"
#include "t_begin.h"
#include "t_write_map.h"
#include "t_abort.h"
#include "t_retry.h"
#include "t_end.h"
#include "wbox_test_init.h"
#include "error.h"
#include "t_recycled2free.h"
#include "cdb_sc.h"
#include "eintr_wrappers.h"
#include "gtmimagename.h"
#include "gdsfilext_nojnl.h"
#include "gtmio.h"
#include "anticipatory_freeze.h"
#include "sleep_cnt.h"
#include "wcs_sleep.h"
#include "interlock.h"
#include "gdsbgtr.h"
#include "copy.h"
#include "shmpool.h"
error_def(ERR_DBFILERR);
/* Minimal file extend. Called (at the moment) from mur_back_process.c when processing JRT_TRUNC record.
* We want to avoid jnl and other interferences of gdsfilext.
*/
int gdsfilext_nojnl(gd_region* reg, uint4 new_total, uint4 old_total)
{
sgmnt_addrs *csa;
sgmnt_data_ptr_t csd;
int status;
off_t offset;
char *newmap;
uint4 ii;
unix_db_info *udi;
udi = FILE_INFO(reg);
csa = &udi->s_addrs;
csd = csa->hdr;
assert(old_total < new_total);
assert(new_total <= MAXTOTALBLKS(csd));
WRITE_EOF_BLOCK(reg, csd, new_total, status);
if (0 != status)
{
send_msg(VARLSTCNT(5) ERR_DBFILERR, 2, DB_LEN_STR(reg), status);
return status;
}
/* initialize the bitmap tn's to 0. */
newmap = (char *)malloc(csd->blk_size);
bml_newmap((blk_hdr *)newmap, BM_SIZE(BLKS_PER_LMAP), 0);
/* initialize bitmaps, if any new ones are added */
for (ii = ROUND_UP(old_total, BLKS_PER_LMAP); ii < new_total; ii += BLKS_PER_LMAP)
{
offset = (off_t)(csd->start_vbn - 1) * DISK_BLOCK_SIZE + (off_t)ii * csd->blk_size;
DB_LSEEKWRITE(csa, udi->fn, udi->fd, offset, newmap, csd->blk_size, status);
if (0 != status)
{
send_msg(VARLSTCNT(5) ERR_DBFILERR, 2, DB_LEN_STR(reg), status);
free(newmap);
return status;
}
}
csa->ti->free_blocks += DELTA_FREE_BLOCKS(new_total, old_total);
csa->ti->total_blks = new_total;
free(newmap);
return status;
}