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/*
* Copyright (c) 2000-2001,2005 Silicon Graphics, Inc.
* All Rights Reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it would be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <xfs/libxfs.h>
#include "command.h"
#include "type.h"
#include "faddr.h"
#include "fprint.h"
#include "field.h"
#include "io.h"
#include "bit.h"
#include "output.h"
#include "init.h"
#include "agfl.h"
static int agfl_bno_size(void *obj, int startoff);
static int agfl_f(int argc, char **argv);
static void agfl_help(void);
static const cmdinfo_t agfl_cmd =
{ "agfl", NULL, agfl_f, 0, 1, 1, N_("[agno]"),
N_("set address to agfl block"), agfl_help };
const field_t agfl_hfld[] = { {
"", FLDT_AGFL, OI(0), C1, 0, TYP_NONE, },
{ NULL }
};
#define OFF(f) bitize(offsetof(xfs_agfl_t, agfl_ ## f))
const field_t agfl_flds[] = {
{ "bno", FLDT_AGBLOCKNZ, OI(OFF(bno)), agfl_bno_size,
FLD_ARRAY|FLD_COUNT, TYP_DATA },
{ NULL }
};
static int
agfl_bno_size(
void *obj,
int startoff)
{
return XFS_AGFL_SIZE(mp);
}
static void
agfl_help(void)
{
dbprintf(_(
"\n"
" set allocation group freelist\n"
"\n"
" Example:\n"
"\n"
" agfl 5"
"\n"
" Located in the fourth sector of each allocation group,\n"
" the agfl freelist for internal btree space allocation is maintained\n"
" for each allocation group. This acts as a reserved pool of space\n"
" separate from the general filesystem freespace (not used for user data).\n"
"\n"
));
}
static int
agfl_f(
int argc,
char **argv)
{
xfs_agnumber_t agno;
char *p;
if (argc > 1) {
agno = (xfs_agnumber_t)strtoul(argv[1], &p, 0);
if (*p != '\0' || agno >= mp->m_sb.sb_agcount) {
dbprintf(_("bad allocation group number %s\n"), argv[1]);
return 0;
}
cur_agno = agno;
} else if (cur_agno == NULLAGNUMBER)
cur_agno = 0;
ASSERT(typtab[TYP_AGFL].typnm == TYP_AGFL);
set_cur(&typtab[TYP_AGFL],
XFS_AG_DADDR(mp, cur_agno, XFS_AGFL_DADDR(mp)),
XFS_FSS_TO_BB(mp, 1), DB_RING_ADD, NULL);
return 0;
}
void
agfl_init(void)
{
add_command(&agfl_cmd);
}
/*ARGSUSED*/
int
agfl_size(
void *obj,
int startoff,
int idx)
{
return bitize(mp->m_sb.sb_sectsize);
}
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