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959ef981 | 1 | // SPDX-License-Identifier: GPL-2.0 |
96aaf9bc | 2 | /* |
959ef981 | 3 | * Copyright (c) 2000-2005 Silicon Graphics, Inc. All Rights Reserved. |
96aaf9bc DW |
4 | */ |
5 | #include "libxfs.h" | |
6 | #include "fsgeom.h" | |
660b5d96 | 7 | #include "util.h" |
96aaf9bc DW |
8 | |
9 | void | |
10 | xfs_report_geom( | |
11 | struct xfs_fsop_geom *geo, | |
12 | const char *mntpoint, | |
13 | const char *logname, | |
14 | const char *rtname) | |
15 | { | |
16 | int isint; | |
17 | int lazycount; | |
18 | int dirversion; | |
19 | int logversion; | |
20 | int attrversion; | |
21 | int projid32bit; | |
22 | int crcs_enabled; | |
23 | int cimode; | |
24 | int ftype_enabled; | |
25 | int finobt_enabled; | |
26 | int spinodes; | |
27 | int rmapbt_enabled; | |
28 | int reflink_enabled; | |
29 | ||
30 | isint = geo->logstart > 0; | |
31 | lazycount = geo->flags & XFS_FSOP_GEOM_FLAGS_LAZYSB ? 1 : 0; | |
32 | dirversion = geo->flags & XFS_FSOP_GEOM_FLAGS_DIRV2 ? 2 : 1; | |
33 | logversion = geo->flags & XFS_FSOP_GEOM_FLAGS_LOGV2 ? 2 : 1; | |
34 | attrversion = geo->flags & XFS_FSOP_GEOM_FLAGS_ATTR2 ? 2 : \ | |
35 | (geo->flags & XFS_FSOP_GEOM_FLAGS_ATTR ? 1 : 0); | |
36 | cimode = geo->flags & XFS_FSOP_GEOM_FLAGS_DIRV2CI ? 1 : 0; | |
37 | projid32bit = geo->flags & XFS_FSOP_GEOM_FLAGS_PROJID32 ? 1 : 0; | |
38 | crcs_enabled = geo->flags & XFS_FSOP_GEOM_FLAGS_V5SB ? 1 : 0; | |
39 | ftype_enabled = geo->flags & XFS_FSOP_GEOM_FLAGS_FTYPE ? 1 : 0; | |
40 | finobt_enabled = geo->flags & XFS_FSOP_GEOM_FLAGS_FINOBT ? 1 : 0; | |
41 | spinodes = geo->flags & XFS_FSOP_GEOM_FLAGS_SPINODES ? 1 : 0; | |
42 | rmapbt_enabled = geo->flags & XFS_FSOP_GEOM_FLAGS_RMAPBT ? 1 : 0; | |
43 | reflink_enabled = geo->flags & XFS_FSOP_GEOM_FLAGS_REFLINK ? 1 : 0; | |
44 | ||
45 | printf(_( | |
46 | "meta-data=%-22s isize=%-6d agcount=%u, agsize=%u blks\n" | |
47 | " =%-22s sectsz=%-5u attr=%u, projid32bit=%u\n" | |
48 | " =%-22s crc=%-8u finobt=%u, sparse=%u, rmapbt=%u\n" | |
49 | " =%-22s reflink=%u\n" | |
50 | "data =%-22s bsize=%-6u blocks=%llu, imaxpct=%u\n" | |
51 | " =%-22s sunit=%-6u swidth=%u blks\n" | |
52 | "naming =version %-14u bsize=%-6u ascii-ci=%d, ftype=%d\n" | |
53 | "log =%-22s bsize=%-6d blocks=%u, version=%d\n" | |
54 | " =%-22s sectsz=%-5u sunit=%d blks, lazy-count=%d\n" | |
55 | "realtime =%-22s extsz=%-6d blocks=%lld, rtextents=%lld\n"), | |
56 | mntpoint, geo->inodesize, geo->agcount, geo->agblocks, | |
57 | "", geo->sectsize, attrversion, projid32bit, | |
58 | "", crcs_enabled, finobt_enabled, spinodes, rmapbt_enabled, | |
59 | "", reflink_enabled, | |
60 | "", geo->blocksize, (unsigned long long)geo->datablocks, | |
61 | geo->imaxpct, | |
62 | "", geo->sunit, geo->swidth, | |
63 | dirversion, geo->dirblocksize, cimode, ftype_enabled, | |
64 | isint ? _("internal log") : logname ? logname : _("external"), | |
65 | geo->blocksize, geo->logblocks, logversion, | |
66 | "", geo->logsectsize, geo->logsunit / geo->blocksize, lazycount, | |
67 | !geo->rtblocks ? _("none") : rtname ? rtname : _("external"), | |
68 | geo->rtextsize * geo->blocksize, (unsigned long long)geo->rtblocks, | |
69 | (unsigned long long)geo->rtextents); | |
70 | } | |
9612817d DW |
71 | |
72 | /* Try to obtain the xfs geometry. On error returns a positive error code. */ | |
73 | int | |
74 | xfrog_geometry( | |
75 | int fd, | |
76 | struct xfs_fsop_geom *fsgeo) | |
77 | { | |
78 | int ret; | |
79 | ||
80 | memset(fsgeo, 0, sizeof(*fsgeo)); | |
81 | ||
82 | ret = ioctl(fd, XFS_IOC_FSGEOMETRY, fsgeo); | |
83 | if (!ret) | |
84 | return 0; | |
85 | ||
86 | ret = ioctl(fd, XFS_IOC_FSGEOMETRY_V4, fsgeo); | |
87 | if (!ret) | |
88 | return 0; | |
89 | ||
90 | ret = ioctl(fd, XFS_IOC_FSGEOMETRY_V1, fsgeo); | |
91 | if (!ret) | |
92 | return 0; | |
93 | ||
94 | return errno; | |
95 | } | |
3f9efb2e DW |
96 | |
97 | /* | |
98 | * Prepare xfs_fd structure for future ioctl operations by computing the xfs | |
99 | * geometry for @xfd->fd. Returns zero or a positive error code. | |
100 | */ | |
101 | int | |
102 | xfd_prepare_geometry( | |
103 | struct xfs_fd *xfd) | |
104 | { | |
5b5c7336 DW |
105 | int ret; |
106 | ||
107 | ret = xfrog_geometry(xfd->fd, &xfd->fsgeom); | |
108 | if (ret) | |
109 | return ret; | |
110 | ||
111 | xfd->agblklog = log2_roundup(xfd->fsgeom.agblocks); | |
112 | xfd->blocklog = highbit32(xfd->fsgeom.blocksize); | |
113 | xfd->inodelog = highbit32(xfd->fsgeom.inodesize); | |
114 | xfd->inopblog = xfd->blocklog - xfd->inodelog; | |
a749451c | 115 | xfd->aginolog = xfd->agblklog + xfd->inopblog; |
b3803ff1 | 116 | xfd->blkbb_log = xfd->blocklog - BBSHIFT; |
5b5c7336 | 117 | return 0; |
3f9efb2e DW |
118 | } |
119 | ||
248af7cb DW |
120 | /* Open a file on an XFS filesystem. Returns zero or a positive error code. */ |
121 | int | |
122 | xfd_open( | |
123 | struct xfs_fd *xfd, | |
124 | const char *pathname, | |
125 | int flags) | |
126 | { | |
127 | int ret; | |
128 | ||
129 | xfd->fd = open(pathname, flags); | |
130 | if (xfd->fd < 0) | |
131 | return errno; | |
132 | ||
133 | ret = xfd_prepare_geometry(xfd); | |
134 | if (ret) { | |
135 | xfd_close(xfd); | |
136 | return ret; | |
137 | } | |
138 | ||
139 | return 0; | |
140 | } | |
141 | ||
3f9efb2e DW |
142 | /* |
143 | * Release any resources associated with this xfs_fd structure. Returns zero | |
144 | * or a positive error code. | |
145 | */ | |
146 | int | |
147 | xfd_close( | |
148 | struct xfs_fd *xfd) | |
149 | { | |
150 | int ret = 0; | |
151 | ||
152 | if (xfd->fd < 0) | |
153 | return 0; | |
154 | ||
155 | ret = close(xfd->fd); | |
156 | xfd->fd = -1; | |
157 | if (ret < 0) | |
158 | return errno; | |
159 | ||
160 | return 0; | |
161 | } | |
bb85ae74 DW |
162 | |
163 | /* Try to obtain an AG's geometry. Returns zero or a positive error code. */ | |
164 | int | |
165 | xfrog_ag_geometry( | |
166 | int fd, | |
167 | unsigned int agno, | |
168 | struct xfs_ag_geometry *ageo) | |
169 | { | |
170 | int ret; | |
171 | ||
172 | ageo->ag_number = agno; | |
173 | ret = ioctl(fd, XFS_IOC_AG_GEOMETRY, ageo); | |
174 | if (ret) | |
175 | return errno; | |
176 | return 0; | |
177 | } |