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2bd0ea18 | 1 | /* |
0d3e0b37 | 2 | * Copyright (c) 2000-2001 Silicon Graphics, Inc. All Rights Reserved. |
dfc130f3 | 3 | * |
2bd0ea18 NS |
4 | * This program is free software; you can redistribute it and/or modify it |
5 | * under the terms of version 2 of the GNU General Public License as | |
6 | * published by the Free Software Foundation. | |
dfc130f3 | 7 | * |
2bd0ea18 NS |
8 | * This program is distributed in the hope that it would be useful, but |
9 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | |
dfc130f3 | 11 | * |
2bd0ea18 NS |
12 | * Further, this software is distributed without any warranty that it is |
13 | * free of the rightful claim of any third person regarding infringement | |
14 | * or the like. Any license provided herein, whether implied or | |
15 | * otherwise, applies only to this software file. Patent licenses, if | |
16 | * any, provided herein do not apply to combinations of this program with | |
17 | * other software, or any other product whatsoever. | |
dfc130f3 | 18 | * |
2bd0ea18 NS |
19 | * You should have received a copy of the GNU General Public License along |
20 | * with this program; if not, write the Free Software Foundation, Inc., 59 | |
21 | * Temple Place - Suite 330, Boston MA 02111-1307, USA. | |
dfc130f3 | 22 | * |
2bd0ea18 NS |
23 | * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, |
24 | * Mountain View, CA 94043, or: | |
dfc130f3 RC |
25 | * |
26 | * http://www.sgi.com | |
27 | * | |
28 | * For further information regarding this notice, see: | |
29 | * | |
2bd0ea18 NS |
30 | * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/ |
31 | */ | |
32 | ||
33 | #include <libxfs.h> | |
34 | #include "agfl.h" | |
35 | #include "command.h" | |
2bd0ea18 NS |
36 | #include "type.h" |
37 | #include "faddr.h" | |
38 | #include "fprint.h" | |
39 | #include "field.h" | |
40 | #include "io.h" | |
41 | #include "bit.h" | |
42 | #include "output.h" | |
4ca431fc | 43 | #include "init.h" |
2bd0ea18 | 44 | |
9440d84d | 45 | static int agfl_bno_size(void *obj, int startoff); |
2bd0ea18 NS |
46 | static int agfl_f(int argc, char **argv); |
47 | static void agfl_help(void); | |
48 | ||
49 | static const cmdinfo_t agfl_cmd = | |
dfc130f3 | 50 | { "agfl", NULL, agfl_f, 0, 1, 1, "[agno]", |
2bd0ea18 NS |
51 | "set address to agfl block", agfl_help }; |
52 | ||
9440d84d NS |
53 | const field_t agfl_hfld[] = { { |
54 | "", FLDT_AGFL, OI(0), C1, 0, TYP_NONE, }, | |
2bd0ea18 NS |
55 | { NULL } |
56 | }; | |
57 | ||
58 | #define OFF(f) bitize(offsetof(xfs_agfl_t, agfl_ ## f)) | |
59 | const field_t agfl_flds[] = { | |
9440d84d NS |
60 | { "bno", FLDT_AGBLOCKNZ, OI(OFF(bno)), agfl_bno_size, |
61 | FLD_ARRAY|FLD_COUNT, TYP_DATA }, | |
2bd0ea18 NS |
62 | { NULL } |
63 | }; | |
64 | ||
9440d84d NS |
65 | static int |
66 | agfl_bno_size( | |
67 | void *obj, | |
68 | int startoff) | |
69 | { | |
70 | return XFS_AGFL_SIZE(mp); | |
71 | } | |
72 | ||
2bd0ea18 NS |
73 | static void |
74 | agfl_help(void) | |
75 | { | |
76 | dbprintf( | |
77 | "\n" | |
78 | " set allocation group freelist\n" | |
79 | "\n" | |
80 | " Example:\n" | |
81 | "\n" | |
82 | " agfl 5" | |
83 | "\n" | |
9440d84d | 84 | " Located in the fourth sector of each allocation group,\n" |
2bd0ea18 | 85 | " the agfl freelist for internal btree space allocation is maintained\n" |
dfc130f3 | 86 | " for each allocation group. This acts as a reserved pool of space\n" |
2bd0ea18 NS |
87 | " separate from the general filesystem freespace (not used for user data).\n" |
88 | "\n" | |
89 | ); | |
90 | ||
91 | } | |
92 | ||
93 | static int | |
94 | agfl_f( | |
95 | int argc, | |
96 | char **argv) | |
97 | { | |
98 | xfs_agnumber_t agno; | |
99 | char *p; | |
100 | ||
101 | if (argc > 1) { | |
102 | agno = (xfs_agnumber_t)strtoul(argv[1], &p, 0); | |
103 | if (*p != '\0' || agno >= mp->m_sb.sb_agcount) { | |
104 | dbprintf("bad allocation group number %s\n", argv[1]); | |
105 | return 0; | |
106 | } | |
107 | cur_agno = agno; | |
108 | } else if (cur_agno == NULLAGNUMBER) | |
109 | cur_agno = 0; | |
110 | ASSERT(typtab[TYP_AGFL].typnm == TYP_AGFL); | |
9440d84d NS |
111 | set_cur(&typtab[TYP_AGFL], |
112 | XFS_AG_DADDR(mp, cur_agno, XFS_AGFL_DADDR(mp)), | |
113 | XFS_FSS_TO_BB(mp, 1), DB_RING_ADD, NULL); | |
2bd0ea18 NS |
114 | return 0; |
115 | } | |
116 | ||
117 | void | |
118 | agfl_init(void) | |
119 | { | |
120 | add_command(&agfl_cmd); | |
121 | } | |
122 | ||
123 | /*ARGSUSED*/ | |
124 | int | |
125 | agfl_size( | |
126 | void *obj, | |
127 | int startoff, | |
128 | int idx) | |
129 | { | |
130 | return bitize(mp->m_sb.sb_sectsize); | |
131 | } |