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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 | 4 | */ |
33c692a2 DW |
5 | #include "platform_defs.h" |
6 | #include "xfs.h" | |
7 | #include "bitops.h" | |
96aaf9bc | 8 | #include "fsgeom.h" |
660b5d96 | 9 | #include "util.h" |
96aaf9bc DW |
10 | |
11 | void | |
12 | xfs_report_geom( | |
13 | struct xfs_fsop_geom *geo, | |
14 | const char *mntpoint, | |
15 | const char *logname, | |
16 | const char *rtname) | |
17 | { | |
18 | int isint; | |
19 | int lazycount; | |
20 | int dirversion; | |
21 | int logversion; | |
22 | int attrversion; | |
23 | int projid32bit; | |
24 | int crcs_enabled; | |
25 | int cimode; | |
26 | int ftype_enabled; | |
27 | int finobt_enabled; | |
28 | int spinodes; | |
29 | int rmapbt_enabled; | |
30 | int reflink_enabled; | |
31 | ||
32 | isint = geo->logstart > 0; | |
33 | lazycount = geo->flags & XFS_FSOP_GEOM_FLAGS_LAZYSB ? 1 : 0; | |
34 | dirversion = geo->flags & XFS_FSOP_GEOM_FLAGS_DIRV2 ? 2 : 1; | |
35 | logversion = geo->flags & XFS_FSOP_GEOM_FLAGS_LOGV2 ? 2 : 1; | |
36 | attrversion = geo->flags & XFS_FSOP_GEOM_FLAGS_ATTR2 ? 2 : \ | |
37 | (geo->flags & XFS_FSOP_GEOM_FLAGS_ATTR ? 1 : 0); | |
38 | cimode = geo->flags & XFS_FSOP_GEOM_FLAGS_DIRV2CI ? 1 : 0; | |
39 | projid32bit = geo->flags & XFS_FSOP_GEOM_FLAGS_PROJID32 ? 1 : 0; | |
40 | crcs_enabled = geo->flags & XFS_FSOP_GEOM_FLAGS_V5SB ? 1 : 0; | |
41 | ftype_enabled = geo->flags & XFS_FSOP_GEOM_FLAGS_FTYPE ? 1 : 0; | |
42 | finobt_enabled = geo->flags & XFS_FSOP_GEOM_FLAGS_FINOBT ? 1 : 0; | |
43 | spinodes = geo->flags & XFS_FSOP_GEOM_FLAGS_SPINODES ? 1 : 0; | |
44 | rmapbt_enabled = geo->flags & XFS_FSOP_GEOM_FLAGS_RMAPBT ? 1 : 0; | |
45 | reflink_enabled = geo->flags & XFS_FSOP_GEOM_FLAGS_REFLINK ? 1 : 0; | |
46 | ||
47 | printf(_( | |
48 | "meta-data=%-22s isize=%-6d agcount=%u, agsize=%u blks\n" | |
49 | " =%-22s sectsz=%-5u attr=%u, projid32bit=%u\n" | |
50 | " =%-22s crc=%-8u finobt=%u, sparse=%u, rmapbt=%u\n" | |
51 | " =%-22s reflink=%u\n" | |
52 | "data =%-22s bsize=%-6u blocks=%llu, imaxpct=%u\n" | |
53 | " =%-22s sunit=%-6u swidth=%u blks\n" | |
54 | "naming =version %-14u bsize=%-6u ascii-ci=%d, ftype=%d\n" | |
55 | "log =%-22s bsize=%-6d blocks=%u, version=%d\n" | |
56 | " =%-22s sectsz=%-5u sunit=%d blks, lazy-count=%d\n" | |
57 | "realtime =%-22s extsz=%-6d blocks=%lld, rtextents=%lld\n"), | |
58 | mntpoint, geo->inodesize, geo->agcount, geo->agblocks, | |
59 | "", geo->sectsize, attrversion, projid32bit, | |
60 | "", crcs_enabled, finobt_enabled, spinodes, rmapbt_enabled, | |
61 | "", reflink_enabled, | |
62 | "", geo->blocksize, (unsigned long long)geo->datablocks, | |
63 | geo->imaxpct, | |
64 | "", geo->sunit, geo->swidth, | |
65 | dirversion, geo->dirblocksize, cimode, ftype_enabled, | |
66 | isint ? _("internal log") : logname ? logname : _("external"), | |
67 | geo->blocksize, geo->logblocks, logversion, | |
68 | "", geo->logsectsize, geo->logsunit / geo->blocksize, lazycount, | |
69 | !geo->rtblocks ? _("none") : rtname ? rtname : _("external"), | |
70 | geo->rtextsize * geo->blocksize, (unsigned long long)geo->rtblocks, | |
71 | (unsigned long long)geo->rtextents); | |
72 | } | |
9612817d | 73 | |
03d96c64 | 74 | /* Try to obtain the xfs geometry. On error returns a negative error code. */ |
9612817d DW |
75 | int |
76 | xfrog_geometry( | |
77 | int fd, | |
78 | struct xfs_fsop_geom *fsgeo) | |
79 | { | |
80 | int ret; | |
81 | ||
82 | memset(fsgeo, 0, sizeof(*fsgeo)); | |
83 | ||
84 | ret = ioctl(fd, XFS_IOC_FSGEOMETRY, fsgeo); | |
85 | if (!ret) | |
86 | return 0; | |
87 | ||
88 | ret = ioctl(fd, XFS_IOC_FSGEOMETRY_V4, fsgeo); | |
89 | if (!ret) | |
90 | return 0; | |
91 | ||
92 | ret = ioctl(fd, XFS_IOC_FSGEOMETRY_V1, fsgeo); | |
93 | if (!ret) | |
94 | return 0; | |
95 | ||
03d96c64 | 96 | return -errno; |
9612817d | 97 | } |
3f9efb2e DW |
98 | |
99 | /* | |
100 | * Prepare xfs_fd structure for future ioctl operations by computing the xfs | |
03d96c64 | 101 | * geometry for @xfd->fd. Returns zero or a negative error code. |
3f9efb2e DW |
102 | */ |
103 | int | |
104 | xfd_prepare_geometry( | |
105 | struct xfs_fd *xfd) | |
106 | { | |
5b5c7336 DW |
107 | int ret; |
108 | ||
109 | ret = xfrog_geometry(xfd->fd, &xfd->fsgeom); | |
110 | if (ret) | |
111 | return ret; | |
112 | ||
113 | xfd->agblklog = log2_roundup(xfd->fsgeom.agblocks); | |
114 | xfd->blocklog = highbit32(xfd->fsgeom.blocksize); | |
115 | xfd->inodelog = highbit32(xfd->fsgeom.inodesize); | |
116 | xfd->inopblog = xfd->blocklog - xfd->inodelog; | |
a749451c | 117 | xfd->aginolog = xfd->agblklog + xfd->inopblog; |
b3803ff1 | 118 | xfd->blkbb_log = xfd->blocklog - BBSHIFT; |
5b5c7336 | 119 | return 0; |
3f9efb2e DW |
120 | } |
121 | ||
03d96c64 | 122 | /* Open a file on an XFS filesystem. Returns zero or a negative error code. */ |
248af7cb DW |
123 | int |
124 | xfd_open( | |
125 | struct xfs_fd *xfd, | |
126 | const char *pathname, | |
127 | int flags) | |
128 | { | |
129 | int ret; | |
130 | ||
131 | xfd->fd = open(pathname, flags); | |
132 | if (xfd->fd < 0) | |
03d96c64 | 133 | return -errno; |
248af7cb DW |
134 | |
135 | ret = xfd_prepare_geometry(xfd); | |
136 | if (ret) { | |
137 | xfd_close(xfd); | |
138 | return ret; | |
139 | } | |
140 | ||
141 | return 0; | |
142 | } | |
143 | ||
3f9efb2e DW |
144 | /* |
145 | * Release any resources associated with this xfs_fd structure. Returns zero | |
03d96c64 | 146 | * or a negative error code. |
3f9efb2e DW |
147 | */ |
148 | int | |
149 | xfd_close( | |
150 | struct xfs_fd *xfd) | |
151 | { | |
152 | int ret = 0; | |
153 | ||
154 | if (xfd->fd < 0) | |
155 | return 0; | |
156 | ||
157 | ret = close(xfd->fd); | |
158 | xfd->fd = -1; | |
159 | if (ret < 0) | |
03d96c64 | 160 | return -errno; |
3f9efb2e DW |
161 | |
162 | return 0; | |
163 | } | |
bb85ae74 | 164 | |
03d96c64 | 165 | /* Try to obtain an AG's geometry. Returns zero or a negative error code. */ |
bb85ae74 DW |
166 | int |
167 | xfrog_ag_geometry( | |
168 | int fd, | |
169 | unsigned int agno, | |
170 | struct xfs_ag_geometry *ageo) | |
171 | { | |
172 | int ret; | |
173 | ||
174 | ageo->ag_number = agno; | |
175 | ret = ioctl(fd, XFS_IOC_AG_GEOMETRY, ageo); | |
176 | if (ret) | |
03d96c64 | 177 | return -errno; |
bb85ae74 DW |
178 | return 0; |
179 | } |