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5aead01d | 1 | /* |
da23017d NS |
2 | * Copyright (c) 2005 Silicon Graphics, Inc. |
3 | * All Rights Reserved. | |
5aead01d | 4 | * |
da23017d NS |
5 | * This program is free software; you can redistribute it and/or |
6 | * modify it under the terms of the GNU General Public License as | |
5aead01d NS |
7 | * published by the Free Software Foundation. |
8 | * | |
da23017d NS |
9 | * This program is distributed in the hope that it would be useful, |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
5aead01d | 13 | * |
da23017d NS |
14 | * You should have received a copy of the GNU General Public License |
15 | * along with this program; if not, write the Free Software Foundation, | |
16 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
5aead01d NS |
17 | */ |
18 | ||
29647c8d | 19 | #include <stdbool.h> |
6b803e5a | 20 | #include "command.h" |
5aead01d NS |
21 | #include "init.h" |
22 | #include "quota.h" | |
23 | ||
24 | static cmdinfo_t free_cmd; | |
25 | ||
26 | static void | |
27 | free_help(void) | |
28 | { | |
29 | printf(_( | |
30 | "\n" | |
31 | " reports the number of free disk blocks and inodes\n" | |
32 | "\n" | |
33 | " This command reports the number of total, used, and available disk blocks.\n" | |
34 | " It can optionally report the same set of numbers for inodes and realtime\n" | |
35 | " disk blocks, and will report on all known XFS filesystem mount points and\n" | |
36 | " project quota paths by default (see 'print' command for a list).\n" | |
37 | " -b -- report the block count values\n" | |
38 | " -i -- report the inode count values\n" | |
39 | " -r -- report the realtime block count values\n" | |
40 | " -h -- report in a human-readable format\n" | |
1774874a | 41 | " -N -- suppress the header from the output\n" |
5aead01d NS |
42 | "\n")); |
43 | } | |
44 | ||
7cb2d41b AE |
45 | /* |
46 | * The data and realtime block counts returned (count, used, and | |
47 | * free) are all in basic block units. | |
48 | */ | |
5aead01d NS |
49 | static int |
50 | mount_free_space_data( | |
51 | struct fs_path *mount, | |
52 | __uint64_t *bcount, | |
53 | __uint64_t *bused, | |
54 | __uint64_t *bfree, | |
55 | __uint64_t *icount, | |
56 | __uint64_t *iused, | |
57 | __uint64_t *ifree, | |
58 | __uint64_t *rcount, | |
59 | __uint64_t *rused, | |
60 | __uint64_t *rfree) | |
61 | { | |
62 | struct xfs_fsop_counts fscounts; | |
63 | struct xfs_fsop_geom fsgeo; | |
64 | struct statfs st; | |
65 | __uint64_t logsize, count, free; | |
66 | int fd; | |
67 | ||
68 | if ((fd = open(mount->fs_dir, O_RDONLY)) < 0) { | |
e3210fd8 | 69 | exitcode = 1; |
5aead01d NS |
70 | fprintf(stderr, "%s: cannot open %s: %s\n", |
71 | progname, mount->fs_dir, strerror(errno)); | |
72 | return 0; | |
73 | } | |
74 | ||
75 | if (platform_fstatfs(fd, &st) < 0) { | |
76 | perror("fstatfs"); | |
77 | close(fd); | |
78 | return 0; | |
79 | } | |
80 | if ((xfsctl(mount->fs_dir, fd, XFS_IOC_FSGEOMETRY_V1, &fsgeo)) < 0) { | |
81 | perror("XFS_IOC_FSGEOMETRY_V1"); | |
82 | close(fd); | |
83 | return 0; | |
84 | } | |
85 | if ((xfsctl(mount->fs_dir, fd, XFS_IOC_FSCOUNTS, &fscounts)) < 0) { | |
86 | perror("XFS_IOC_FSCOUNTS"); | |
87 | close(fd); | |
88 | return 0; | |
89 | } | |
90 | ||
91 | logsize = fsgeo.logstart ? fsgeo.logblocks : 0; | |
92 | count = (fsgeo.datablocks - logsize) * fsgeo.blocksize; | |
93 | free = fscounts.freedata * fsgeo.blocksize; | |
94 | *bcount = BTOBB(count); | |
95 | *bfree = BTOBB(free); | |
96 | *bused = BTOBB(count - free); | |
97 | ||
98 | *icount = st.f_files; | |
99 | *ifree = st.f_ffree; | |
100 | *iused = st.f_files - st.f_ffree; | |
101 | ||
f5e080b0 NS |
102 | count = fsgeo.rtextents * fsgeo.rtextsize * fsgeo.blocksize; |
103 | free = fscounts.freertx * fsgeo.rtextsize * fsgeo.blocksize; | |
5aead01d NS |
104 | *rcount = BTOBB(count); |
105 | *rfree = BTOBB(free); | |
106 | *rused = BTOBB(count - free); | |
107 | ||
108 | close(fd); | |
109 | return 1; | |
110 | } | |
111 | ||
7cb2d41b AE |
112 | /* |
113 | * The data and realtime block counts returned (count, used, and | |
114 | * free) are all in basic block units. | |
115 | */ | |
5aead01d NS |
116 | static int |
117 | projects_free_space_data( | |
118 | struct fs_path *path, | |
119 | __uint64_t *bcount, | |
120 | __uint64_t *bused, | |
121 | __uint64_t *bfree, | |
122 | __uint64_t *icount, | |
123 | __uint64_t *iused, | |
124 | __uint64_t *ifree, | |
125 | __uint64_t *rcount, | |
126 | __uint64_t *rused, | |
127 | __uint64_t *rfree) | |
128 | { | |
c2df877f | 129 | fs_quota_stat_t qfs; |
5aead01d NS |
130 | fs_disk_quota_t d; |
131 | struct fsxattr fsx; | |
5aead01d NS |
132 | uint type = XFS_PROJ_QUOTA; |
133 | char *dev = path->fs_name; | |
134 | int fd; | |
135 | ||
c2df877f BN |
136 | if (xfsquotactl(XFS_GETQSTAT, dev, type, 0, &qfs) < 0 || |
137 | !(qfs.qs_flags & XFS_QUOTA_PDQ_ACCT)) | |
138 | return 0; | |
139 | ||
5aead01d | 140 | if ((fd = open(path->fs_dir, O_RDONLY)) < 0) { |
e3210fd8 | 141 | exitcode = 1; |
5aead01d NS |
142 | fprintf(stderr, "%s: cannot open %s: %s\n", |
143 | progname, path->fs_dir, strerror(errno)); | |
144 | return 0; | |
145 | } | |
146 | ||
83f4b5ac | 147 | if ((xfsctl(path->fs_dir, fd, FS_IOC_FSGETXATTR, &fsx)) < 0) { |
e3210fd8 | 148 | exitcode = 1; |
83f4b5ac | 149 | perror("FS_IOC_FSGETXATTR"); |
5aead01d NS |
150 | close(fd); |
151 | return 0; | |
152 | } | |
83f4b5ac | 153 | if (!(fsx.fsx_xflags & FS_XFLAG_PROJINHERIT)) { |
e3210fd8 | 154 | exitcode = 1; |
5aead01d NS |
155 | fprintf(stderr, _("%s: project quota flag not set on %s\n"), |
156 | progname, path->fs_dir); | |
157 | close(fd); | |
158 | return 0; | |
159 | } | |
160 | ||
764b1982 | 161 | if (path->fs_prid != fsx.fsx_projid) { |
e3210fd8 | 162 | exitcode = 1; |
5aead01d NS |
163 | fprintf(stderr, |
164 | _("%s: project ID %u (%s) doesn't match ID %u (%s)\n"), | |
165 | progname, path->fs_prid, projects_file, | |
764b1982 | 166 | fsx.fsx_projid, path->fs_dir); |
5aead01d NS |
167 | close(fd); |
168 | return 0; | |
169 | } | |
170 | ||
764b1982 NS |
171 | xfsquotactl(XFS_QSYNC, dev, type, fsx.fsx_projid, NULL); |
172 | if (xfsquotactl(XFS_GETQUOTA, dev, type, fsx.fsx_projid, &d) < 0) { | |
5aead01d NS |
173 | perror("XFS_GETQUOTA"); |
174 | close(fd); | |
175 | return 0; | |
176 | } | |
177 | ||
178 | /* If no softlimit is set for any of blk/ino/rt, get actual usage */ | |
179 | if (!d.d_blk_softlimit || !d.d_ino_softlimit || !d.d_rtb_softlimit) { | |
180 | mount_free_space_data(path, bcount, bused, bfree, | |
181 | icount, iused, ifree, rcount, rused, rfree); | |
182 | } | |
183 | ||
184 | if (d.d_blk_softlimit) { | |
7cb2d41b AE |
185 | *bcount = d.d_blk_softlimit; |
186 | *bfree = (d.d_blk_softlimit - d.d_bcount); | |
5aead01d | 187 | } |
7cb2d41b | 188 | *bused = d.d_bcount; |
1affe137 | 189 | |
5aead01d NS |
190 | if (d.d_ino_softlimit) { |
191 | *icount = d.d_ino_softlimit; | |
192 | *ifree = (d.d_ino_softlimit - d.d_icount); | |
193 | } | |
194 | *iused = d.d_icount; | |
1affe137 | 195 | |
5aead01d | 196 | if (d.d_rtb_softlimit) { |
7cb2d41b AE |
197 | *rcount = d.d_rtb_softlimit; |
198 | *rfree = (d.d_rtb_softlimit - d.d_rtbcount); | |
5aead01d | 199 | } |
7cb2d41b | 200 | *rused = d.d_rtbcount; |
5aead01d NS |
201 | |
202 | close(fd); | |
203 | return 1; | |
204 | } | |
205 | ||
206 | static int | |
207 | free_space( | |
208 | FILE *fp, | |
209 | uint form, | |
210 | fs_path_t *path, | |
211 | uint flags) | |
212 | { | |
213 | __uint64_t bcount, bused, bfree; | |
214 | __uint64_t icount, iused, ifree; | |
215 | __uint64_t rcount, rused, rfree; | |
216 | char a[8], s[8], u[8], p[8]; | |
217 | int count; | |
218 | ||
219 | count = (path->fs_flags & FS_PROJECT_PATH) ? | |
220 | projects_free_space_data(path, &bcount, &bused, &bfree, | |
221 | &icount, &iused, &ifree, | |
222 | &rcount, &rused, &rfree) : | |
223 | mount_free_space_data(path, &bcount, &bused, &bfree, | |
224 | &icount, &iused, &ifree, | |
225 | &rcount, &rused, &rfree); | |
226 | if (!count) | |
227 | return 0; | |
228 | ||
229 | if (!(flags & NO_HEADER_FLAG)) { | |
230 | fprintf(fp, (flags & HUMAN_FLAG) ? | |
231 | _("Filesystem ") : _("Filesystem ")); | |
232 | if (form & (XFS_BLOCK_QUOTA|XFS_RTBLOCK_QUOTA)) | |
233 | fprintf(fp, (flags & HUMAN_FLAG) ? | |
234 | _(" Size Used Avail Use%%") : | |
235 | _(" 1K-blocks Used Available Use%%")); | |
236 | else if (form & XFS_INODE_QUOTA) | |
237 | fprintf(fp, (flags & HUMAN_FLAG) ? | |
238 | _(" Inodes Used Free Use%%") : | |
239 | _(" Inodes IUsed IFree IUse%%")); | |
240 | fprintf(fp, _(" Pathname\n")); | |
241 | } | |
242 | ||
243 | if (flags & HUMAN_FLAG) { | |
244 | count = fprintf(fp, "%-12s", path->fs_name); | |
245 | if (count > 13) | |
246 | fprintf(fp, "\n%12s", " "); | |
247 | } else { | |
248 | count = fprintf(fp, "%-19s", path->fs_name); | |
249 | if (count > 20) | |
250 | fprintf(fp, "\n%19s", " "); | |
251 | } | |
252 | ||
253 | if (form & XFS_BLOCK_QUOTA) { | |
254 | if (flags & HUMAN_FLAG) | |
255 | fprintf(fp, " %6s %6s %6s %3s%%", | |
256 | bbs_to_string(bcount, s, sizeof(s)), | |
257 | bbs_to_string(bused, u, sizeof(u)), | |
258 | bbs_to_string(bfree, a, sizeof(a)), | |
259 | pct_to_string(bused, bcount, p, sizeof(p))); | |
260 | else | |
261 | fprintf(fp, " %10llu %10llu %10llu %3s%%", | |
262 | (unsigned long long)bcount >> 1, | |
263 | (unsigned long long)bused >> 1, | |
264 | (unsigned long long)bfree >> 1, | |
265 | pct_to_string(bused, bcount, p, sizeof(p))); | |
266 | } else if (form & XFS_INODE_QUOTA) { | |
267 | if (flags & HUMAN_FLAG) | |
268 | fprintf(fp, " %6s %6s %6s %3s%%", | |
269 | num_to_string(icount, s, sizeof(s)), | |
270 | num_to_string(iused, u, sizeof(u)), | |
271 | num_to_string(ifree, a, sizeof(a)), | |
272 | pct_to_string(iused, icount, p, sizeof(p))); | |
273 | else | |
274 | fprintf(fp, " %10llu %10llu %10llu %3s%%", | |
275 | (unsigned long long)icount, | |
276 | (unsigned long long)iused, | |
277 | (unsigned long long)ifree, | |
278 | pct_to_string(iused, icount, p, sizeof(p))); | |
279 | } else if (form & XFS_RTBLOCK_QUOTA) { | |
280 | if (flags & HUMAN_FLAG) | |
281 | fprintf(fp, " %6s %6s %6s %3s%%", | |
282 | bbs_to_string(rcount, s, sizeof(s)), | |
283 | bbs_to_string(rused, u, sizeof(u)), | |
284 | bbs_to_string(rfree, a, sizeof(a)), | |
285 | pct_to_string(rused, rcount, p, sizeof(p))); | |
286 | else | |
287 | fprintf(fp, " %10llu %10llu %10llu %3s%%", | |
288 | (unsigned long long)rcount >> 1, | |
289 | (unsigned long long)rused >> 1, | |
290 | (unsigned long long)rfree >> 1, | |
291 | pct_to_string(rused, rcount, p, sizeof(p))); | |
292 | } | |
293 | fprintf(fp, " %s\n", path->fs_dir); | |
294 | return 1; | |
295 | } | |
296 | ||
297 | static void | |
298 | free_space_list( | |
299 | FILE *fp, | |
300 | uint form, | |
5aead01d NS |
301 | char *dir, |
302 | uint flags) | |
303 | { | |
304 | fs_cursor_t cursor; | |
305 | fs_path_t *path; | |
306 | ||
12a20413 | 307 | fs_cursor_initialise(dir, 0, &cursor); |
5aead01d NS |
308 | while ((path = fs_cursor_next_entry(&cursor))) { |
309 | if (free_space(fp, form, path, flags)) | |
310 | flags |= NO_HEADER_FLAG; | |
311 | } | |
312 | } | |
313 | ||
314 | static int | |
315 | free_f( | |
316 | int argc, | |
317 | char **argv) | |
318 | { | |
319 | FILE *fp = NULL; | |
320 | char *fname = NULL; | |
12a20413 | 321 | int c, flags = 0, form = 0; |
5aead01d | 322 | |
1774874a | 323 | while ((c = getopt(argc, argv, "bf:hNir")) != EOF) { |
5aead01d NS |
324 | switch (c) { |
325 | case 'f': | |
326 | fname = optarg; | |
327 | break; | |
328 | case 'b': | |
329 | form |= XFS_BLOCK_QUOTA; | |
330 | break; | |
331 | case 'i': | |
332 | form |= XFS_INODE_QUOTA; | |
333 | break; | |
334 | case 'r': | |
335 | form |= XFS_RTBLOCK_QUOTA; | |
336 | break; | |
337 | case 'h': | |
338 | flags |= HUMAN_FLAG; | |
339 | break; | |
1774874a | 340 | case 'N': |
5aead01d NS |
341 | flags |= NO_HEADER_FLAG; |
342 | break; | |
343 | default: | |
344 | return command_usage(&free_cmd); | |
345 | } | |
346 | } | |
347 | ||
348 | if (!form) | |
349 | form = XFS_BLOCK_QUOTA; | |
350 | ||
5aead01d NS |
351 | if ((fp = fopen_write_secure(fname)) == NULL) |
352 | return 0; | |
353 | ||
354 | if (argc == optind) | |
12a20413 | 355 | free_space_list(fp, form, NULL, flags); |
5aead01d | 356 | else while (argc > optind) |
12a20413 | 357 | free_space_list(fp, form, argv[optind++], flags); |
5aead01d NS |
358 | |
359 | if (fname) | |
360 | fclose(fp); | |
361 | return 0; | |
362 | } | |
363 | ||
364 | void | |
365 | free_init(void) | |
366 | { | |
ad765595 AM |
367 | free_cmd.name = "df"; |
368 | free_cmd.altname = "free"; | |
5aead01d NS |
369 | free_cmd.cfunc = free_f; |
370 | free_cmd.argmin = 0; | |
371 | free_cmd.argmax = -1; | |
372 | free_cmd.args = _("[-bir] [-hn] [-f file]"); | |
373 | free_cmd.oneline = _("show free and used counts for blocks and inodes"); | |
374 | free_cmd.help = free_help; | |
375 | ||
376 | add_command(&free_cmd); | |
377 | } |