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Commit | Line | Data |
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b3b94faa DT |
1 | /* |
2 | * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. | |
ca390601 | 3 | * Copyright (C) 2004-2008 Red Hat, Inc. All rights reserved. |
b3b94faa DT |
4 | * |
5 | * This copyrighted material is made available to anyone wishing to use, | |
6 | * modify, copy, or redistribute it subject to the terms and conditions | |
e9fc2aa0 | 7 | * of the GNU General Public License version 2. |
b3b94faa DT |
8 | */ |
9 | ||
10 | #include <linux/sched.h> | |
11 | #include <linux/slab.h> | |
12 | #include <linux/spinlock.h> | |
13 | #include <linux/completion.h> | |
14 | #include <linux/buffer_head.h> | |
15 | #include <linux/posix_acl.h> | |
16 | #include <linux/sort.h> | |
5c676f6d | 17 | #include <linux/gfs2_ondisk.h> |
71b86f56 | 18 | #include <linux/crc32.h> |
fcb47e0b | 19 | #include <linux/security.h> |
719ee344 | 20 | #include <linux/time.h> |
b3b94faa DT |
21 | |
22 | #include "gfs2.h" | |
5c676f6d | 23 | #include "incore.h" |
b3b94faa DT |
24 | #include "acl.h" |
25 | #include "bmap.h" | |
26 | #include "dir.h" | |
307cf6e6 | 27 | #include "xattr.h" |
b3b94faa DT |
28 | #include "glock.h" |
29 | #include "glops.h" | |
30 | #include "inode.h" | |
31 | #include "log.h" | |
32 | #include "meta_io.h" | |
b3b94faa DT |
33 | #include "quota.h" |
34 | #include "rgrp.h" | |
35 | #include "trans.h" | |
5c676f6d | 36 | #include "util.h" |
b3b94faa | 37 | |
bb8d8a6f SW |
38 | struct gfs2_inum_range_host { |
39 | u64 ir_start; | |
40 | u64 ir_length; | |
41 | }; | |
42 | ||
feaa7bba SW |
43 | static int iget_test(struct inode *inode, void *opaque) |
44 | { | |
45 | struct gfs2_inode *ip = GFS2_I(inode); | |
dbb7cae2 | 46 | u64 *no_addr = opaque; |
feaa7bba | 47 | |
009d8518 | 48 | if (ip->i_no_addr == *no_addr) |
feaa7bba | 49 | return 1; |
b3b94faa | 50 | |
feaa7bba SW |
51 | return 0; |
52 | } | |
53 | ||
54 | static int iget_set(struct inode *inode, void *opaque) | |
b3b94faa | 55 | { |
feaa7bba | 56 | struct gfs2_inode *ip = GFS2_I(inode); |
dbb7cae2 | 57 | u64 *no_addr = opaque; |
b3b94faa | 58 | |
dbb7cae2 SW |
59 | inode->i_ino = (unsigned long)*no_addr; |
60 | ip->i_no_addr = *no_addr; | |
feaa7bba SW |
61 | return 0; |
62 | } | |
b3b94faa | 63 | |
dbb7cae2 | 64 | struct inode *gfs2_ilookup(struct super_block *sb, u64 no_addr) |
feaa7bba | 65 | { |
dbb7cae2 SW |
66 | unsigned long hash = (unsigned long)no_addr; |
67 | return ilookup5(sb, hash, iget_test, &no_addr); | |
feaa7bba | 68 | } |
b3b94faa | 69 | |
dbb7cae2 | 70 | static struct inode *gfs2_iget(struct super_block *sb, u64 no_addr) |
feaa7bba | 71 | { |
dbb7cae2 SW |
72 | unsigned long hash = (unsigned long)no_addr; |
73 | return iget5_locked(sb, hash, iget_test, iget_set, &no_addr); | |
b3b94faa DT |
74 | } |
75 | ||
7a9f53b3 BM |
76 | struct gfs2_skip_data { |
77 | u64 no_addr; | |
78 | int skipped; | |
79 | }; | |
80 | ||
81 | static int iget_skip_test(struct inode *inode, void *opaque) | |
82 | { | |
83 | struct gfs2_inode *ip = GFS2_I(inode); | |
84 | struct gfs2_skip_data *data = opaque; | |
85 | ||
009d8518 | 86 | if (ip->i_no_addr == data->no_addr) { |
7a9f53b3 BM |
87 | if (inode->i_state & (I_FREEING|I_CLEAR|I_WILL_FREE)){ |
88 | data->skipped = 1; | |
89 | return 0; | |
90 | } | |
91 | return 1; | |
92 | } | |
93 | return 0; | |
94 | } | |
95 | ||
96 | static int iget_skip_set(struct inode *inode, void *opaque) | |
97 | { | |
98 | struct gfs2_inode *ip = GFS2_I(inode); | |
99 | struct gfs2_skip_data *data = opaque; | |
100 | ||
101 | if (data->skipped) | |
102 | return 1; | |
103 | inode->i_ino = (unsigned long)(data->no_addr); | |
104 | ip->i_no_addr = data->no_addr; | |
105 | return 0; | |
106 | } | |
107 | ||
108 | static struct inode *gfs2_iget_skip(struct super_block *sb, | |
109 | u64 no_addr) | |
110 | { | |
111 | struct gfs2_skip_data data; | |
112 | unsigned long hash = (unsigned long)no_addr; | |
113 | ||
114 | data.no_addr = no_addr; | |
115 | data.skipped = 0; | |
116 | return iget5_locked(sb, hash, iget_skip_test, iget_skip_set, &data); | |
117 | } | |
118 | ||
35dcc52e WC |
119 | /** |
120 | * GFS2 lookup code fills in vfs inode contents based on info obtained | |
121 | * from directory entry inside gfs2_inode_lookup(). This has caused issues | |
122 | * with NFS code path since its get_dentry routine doesn't have the relevant | |
123 | * directory entry when gfs2_inode_lookup() is invoked. Part of the code | |
124 | * segment inside gfs2_inode_lookup code needs to get moved around. | |
125 | * | |
eaff8079 | 126 | * Clears I_NEW as well. |
35dcc52e WC |
127 | **/ |
128 | ||
129 | void gfs2_set_iop(struct inode *inode) | |
130 | { | |
c97bfe43 | 131 | struct gfs2_sbd *sdp = GFS2_SB(inode); |
35dcc52e WC |
132 | umode_t mode = inode->i_mode; |
133 | ||
134 | if (S_ISREG(mode)) { | |
135 | inode->i_op = &gfs2_file_iops; | |
f057f6cd | 136 | if (gfs2_localflocks(sdp)) |
10d21988 | 137 | inode->i_fop = &gfs2_file_fops_nolock; |
c97bfe43 | 138 | else |
10d21988 | 139 | inode->i_fop = &gfs2_file_fops; |
35dcc52e WC |
140 | } else if (S_ISDIR(mode)) { |
141 | inode->i_op = &gfs2_dir_iops; | |
f057f6cd | 142 | if (gfs2_localflocks(sdp)) |
10d21988 | 143 | inode->i_fop = &gfs2_dir_fops_nolock; |
c97bfe43 | 144 | else |
10d21988 | 145 | inode->i_fop = &gfs2_dir_fops; |
35dcc52e WC |
146 | } else if (S_ISLNK(mode)) { |
147 | inode->i_op = &gfs2_symlink_iops; | |
148 | } else { | |
d83225d4 | 149 | inode->i_op = &gfs2_file_iops; |
43a33c53 | 150 | init_special_inode(inode, inode->i_mode, inode->i_rdev); |
35dcc52e WC |
151 | } |
152 | ||
153 | unlock_new_inode(inode); | |
154 | } | |
155 | ||
b3b94faa | 156 | /** |
feaa7bba SW |
157 | * gfs2_inode_lookup - Lookup an inode |
158 | * @sb: The super block | |
dbb7cae2 | 159 | * @no_addr: The inode number |
feaa7bba | 160 | * @type: The type of the inode |
7a9f53b3 | 161 | * @skip_freeing: set this not return an inode if it is currently being freed. |
b3b94faa | 162 | * |
feaa7bba | 163 | * Returns: A VFS inode, or an error |
b3b94faa DT |
164 | */ |
165 | ||
091806ed | 166 | struct inode *gfs2_inode_lookup(struct super_block *sb, |
bb9bcf06 WC |
167 | unsigned int type, |
168 | u64 no_addr, | |
7a9f53b3 | 169 | u64 no_formal_ino, int skip_freeing) |
b3b94faa | 170 | { |
7a9f53b3 BM |
171 | struct inode *inode; |
172 | struct gfs2_inode *ip; | |
feaa7bba SW |
173 | struct gfs2_glock *io_gl; |
174 | int error; | |
b3b94faa | 175 | |
7a9f53b3 BM |
176 | if (skip_freeing) |
177 | inode = gfs2_iget_skip(sb, no_addr); | |
178 | else | |
179 | inode = gfs2_iget(sb, no_addr); | |
180 | ip = GFS2_I(inode); | |
181 | ||
26d83ded SW |
182 | if (!inode) |
183 | return ERR_PTR(-ENOBUFS); | |
184 | ||
feaa7bba SW |
185 | if (inode->i_state & I_NEW) { |
186 | struct gfs2_sbd *sdp = GFS2_SB(inode); | |
bb9bcf06 | 187 | ip->i_no_formal_ino = no_formal_ino; |
b3b94faa | 188 | |
dbb7cae2 | 189 | error = gfs2_glock_get(sdp, no_addr, &gfs2_inode_glops, CREATE, &ip->i_gl); |
feaa7bba SW |
190 | if (unlikely(error)) |
191 | goto fail; | |
192 | ip->i_gl->gl_object = ip; | |
b3b94faa | 193 | |
dbb7cae2 | 194 | error = gfs2_glock_get(sdp, no_addr, &gfs2_iopen_glops, CREATE, &io_gl); |
feaa7bba SW |
195 | if (unlikely(error)) |
196 | goto fail_put; | |
b3b94faa | 197 | |
bfded27b | 198 | set_bit(GIF_INVALID, &ip->i_flags); |
feaa7bba SW |
199 | error = gfs2_glock_nq_init(io_gl, LM_ST_SHARED, GL_EXACT, &ip->i_iopen_gh); |
200 | if (unlikely(error)) | |
201 | goto fail_iopen; | |
d93cfa98 | 202 | ip->i_iopen_gh.gh_gl->gl_object = ip; |
b3b94faa | 203 | |
feaa7bba | 204 | gfs2_glock_put(io_gl); |
c8cdf479 | 205 | |
35dcc52e WC |
206 | if ((type == DT_UNKNOWN) && (no_formal_ino == 0)) |
207 | goto gfs2_nfsbypass; | |
208 | ||
209 | inode->i_mode = DT2IF(type); | |
210 | ||
c8cdf479 SW |
211 | /* |
212 | * We must read the inode in order to work out its type in | |
213 | * this case. Note that this doesn't happen often as we normally | |
214 | * know the type beforehand. This code path only occurs during | |
215 | * unlinked inode recovery (where it is safe to do this glock, | |
216 | * which is not true in the general case). | |
217 | */ | |
c8cdf479 SW |
218 | if (type == DT_UNKNOWN) { |
219 | struct gfs2_holder gh; | |
220 | error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh); | |
221 | if (unlikely(error)) | |
222 | goto fail_glock; | |
223 | /* Inode is now uptodate */ | |
c8cdf479 SW |
224 | gfs2_glock_dq_uninit(&gh); |
225 | } | |
226 | ||
35dcc52e | 227 | gfs2_set_iop(inode); |
feaa7bba | 228 | } |
b3b94faa | 229 | |
35dcc52e | 230 | gfs2_nfsbypass: |
b3b94faa | 231 | return inode; |
c8cdf479 SW |
232 | fail_glock: |
233 | gfs2_glock_dq(&ip->i_iopen_gh); | |
feaa7bba SW |
234 | fail_iopen: |
235 | gfs2_glock_put(io_gl); | |
236 | fail_put: | |
237 | ip->i_gl->gl_object = NULL; | |
238 | gfs2_glock_put(ip->i_gl); | |
239 | fail: | |
69840b0d | 240 | iget_failed(inode); |
feaa7bba | 241 | return ERR_PTR(error); |
b3b94faa DT |
242 | } |
243 | ||
af339c02 | 244 | static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf) |
ea744d01 | 245 | { |
ea744d01 | 246 | const struct gfs2_dinode *str = buf; |
719ee344 | 247 | struct timespec atime; |
9a004508 | 248 | u16 height, depth; |
ea744d01 | 249 | |
ecc30c79 SW |
250 | if (unlikely(ip->i_no_addr != be64_to_cpu(str->di_num.no_addr))) |
251 | goto corrupt; | |
dbb7cae2 | 252 | ip->i_no_formal_ino = be64_to_cpu(str->di_num.no_formal_ino); |
b60623c2 | 253 | ip->i_inode.i_mode = be32_to_cpu(str->di_mode); |
e7f14f4d | 254 | ip->i_inode.i_rdev = 0; |
b60623c2 | 255 | switch (ip->i_inode.i_mode & S_IFMT) { |
e7f14f4d SW |
256 | case S_IFBLK: |
257 | case S_IFCHR: | |
258 | ip->i_inode.i_rdev = MKDEV(be32_to_cpu(str->di_major), | |
259 | be32_to_cpu(str->di_minor)); | |
260 | break; | |
261 | }; | |
262 | ||
2933f925 SW |
263 | ip->i_inode.i_uid = be32_to_cpu(str->di_uid); |
264 | ip->i_inode.i_gid = be32_to_cpu(str->di_gid); | |
4f56110a SW |
265 | /* |
266 | * We will need to review setting the nlink count here in the | |
267 | * light of the forthcoming ro bind mount work. This is a reminder | |
268 | * to do that. | |
269 | */ | |
270 | ip->i_inode.i_nlink = be32_to_cpu(str->di_nlink); | |
c9e98886 SW |
271 | ip->i_disksize = be64_to_cpu(str->di_size); |
272 | i_size_write(&ip->i_inode, ip->i_disksize); | |
77658aad | 273 | gfs2_set_inode_blocks(&ip->i_inode, be64_to_cpu(str->di_blocks)); |
719ee344 SW |
274 | atime.tv_sec = be64_to_cpu(str->di_atime); |
275 | atime.tv_nsec = be32_to_cpu(str->di_atime_nsec); | |
276 | if (timespec_compare(&ip->i_inode.i_atime, &atime) < 0) | |
277 | ip->i_inode.i_atime = atime; | |
1a7b1eed | 278 | ip->i_inode.i_mtime.tv_sec = be64_to_cpu(str->di_mtime); |
4bd91ba1 | 279 | ip->i_inode.i_mtime.tv_nsec = be32_to_cpu(str->di_mtime_nsec); |
1a7b1eed | 280 | ip->i_inode.i_ctime.tv_sec = be64_to_cpu(str->di_ctime); |
4bd91ba1 | 281 | ip->i_inode.i_ctime.tv_nsec = be32_to_cpu(str->di_ctime_nsec); |
ea744d01 | 282 | |
ce276b06 | 283 | ip->i_goal = be64_to_cpu(str->di_goal_meta); |
bcf0b5b3 | 284 | ip->i_generation = be64_to_cpu(str->di_generation); |
ea744d01 | 285 | |
383f01fb | 286 | ip->i_diskflags = be32_to_cpu(str->di_flags); |
6b124d8d | 287 | gfs2_set_inode_flags(&ip->i_inode); |
ecc30c79 SW |
288 | height = be16_to_cpu(str->di_height); |
289 | if (unlikely(height > GFS2_MAX_META_HEIGHT)) | |
290 | goto corrupt; | |
291 | ip->i_height = (u8)height; | |
ea744d01 | 292 | |
9a004508 SW |
293 | depth = be16_to_cpu(str->di_depth); |
294 | if (unlikely(depth > GFS2_DIR_MAX_DEPTH)) | |
295 | goto corrupt; | |
296 | ip->i_depth = (u8)depth; | |
ad6203f2 | 297 | ip->i_entries = be32_to_cpu(str->di_entries); |
ea744d01 | 298 | |
3767ac21 | 299 | ip->i_eattr = be64_to_cpu(str->di_eattr); |
5561093e SW |
300 | if (S_ISREG(ip->i_inode.i_mode)) |
301 | gfs2_set_aops(&ip->i_inode); | |
302 | ||
af339c02 | 303 | return 0; |
ecc30c79 SW |
304 | corrupt: |
305 | if (gfs2_consist_inode(ip)) | |
306 | gfs2_dinode_print(ip); | |
307 | return -EIO; | |
ea744d01 SW |
308 | } |
309 | ||
b3b94faa DT |
310 | /** |
311 | * gfs2_inode_refresh - Refresh the incore copy of the dinode | |
312 | * @ip: The GFS2 inode | |
313 | * | |
314 | * Returns: errno | |
315 | */ | |
316 | ||
317 | int gfs2_inode_refresh(struct gfs2_inode *ip) | |
318 | { | |
319 | struct buffer_head *dibh; | |
320 | int error; | |
321 | ||
322 | error = gfs2_meta_inode_buffer(ip, &dibh); | |
323 | if (error) | |
324 | return error; | |
325 | ||
feaa7bba | 326 | if (gfs2_metatype_check(GFS2_SB(&ip->i_inode), dibh, GFS2_METATYPE_DI)) { |
b3b94faa DT |
327 | brelse(dibh); |
328 | return -EIO; | |
329 | } | |
330 | ||
af339c02 | 331 | error = gfs2_dinode_in(ip, dibh->b_data); |
b3b94faa | 332 | brelse(dibh); |
bfded27b | 333 | clear_bit(GIF_INVALID, &ip->i_flags); |
b3b94faa | 334 | |
af339c02 | 335 | return error; |
b3b94faa DT |
336 | } |
337 | ||
feaa7bba | 338 | int gfs2_dinode_dealloc(struct gfs2_inode *ip) |
b3b94faa | 339 | { |
feaa7bba | 340 | struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); |
b3b94faa DT |
341 | struct gfs2_alloc *al; |
342 | struct gfs2_rgrpd *rgd; | |
343 | int error; | |
344 | ||
77658aad | 345 | if (gfs2_get_inode_blocks(&ip->i_inode) != 1) { |
b3b94faa | 346 | if (gfs2_consist_inode(ip)) |
4cc14f0b | 347 | gfs2_dinode_print(ip); |
b3b94faa DT |
348 | return -EIO; |
349 | } | |
350 | ||
351 | al = gfs2_alloc_get(ip); | |
182fe5ab CG |
352 | if (!al) |
353 | return -ENOMEM; | |
b3b94faa DT |
354 | |
355 | error = gfs2_quota_hold(ip, NO_QUOTA_CHANGE, NO_QUOTA_CHANGE); | |
356 | if (error) | |
357 | goto out; | |
358 | ||
359 | error = gfs2_rindex_hold(sdp, &al->al_ri_gh); | |
360 | if (error) | |
361 | goto out_qs; | |
362 | ||
dbb7cae2 | 363 | rgd = gfs2_blk2rgrpd(sdp, ip->i_no_addr); |
b3b94faa DT |
364 | if (!rgd) { |
365 | gfs2_consist_inode(ip); | |
366 | error = -EIO; | |
367 | goto out_rindex_relse; | |
368 | } | |
369 | ||
370 | error = gfs2_glock_nq_init(rgd->rd_gl, LM_ST_EXCLUSIVE, 0, | |
371 | &al->al_rgd_gh); | |
372 | if (error) | |
373 | goto out_rindex_relse; | |
374 | ||
420b9e5e | 375 | error = gfs2_trans_begin(sdp, RES_RG_BIT + RES_STATFS + RES_QUOTA, 1); |
b3b94faa DT |
376 | if (error) |
377 | goto out_rg_gunlock; | |
378 | ||
2bcd610d SW |
379 | set_bit(GLF_DIRTY, &ip->i_gl->gl_flags); |
380 | set_bit(GLF_LFLUSH, &ip->i_gl->gl_flags); | |
b3b94faa DT |
381 | |
382 | gfs2_free_di(rgd, ip); | |
383 | ||
b3b94faa | 384 | gfs2_trans_end(sdp); |
b3b94faa | 385 | |
feaa7bba | 386 | out_rg_gunlock: |
b3b94faa | 387 | gfs2_glock_dq_uninit(&al->al_rgd_gh); |
feaa7bba | 388 | out_rindex_relse: |
b3b94faa | 389 | gfs2_glock_dq_uninit(&al->al_ri_gh); |
feaa7bba | 390 | out_qs: |
b3b94faa | 391 | gfs2_quota_unhold(ip); |
36327521 | 392 | out: |
feaa7bba | 393 | gfs2_alloc_put(ip); |
b3b94faa DT |
394 | return error; |
395 | } | |
396 | ||
b3b94faa | 397 | /** |
87d21e07 | 398 | * gfs2_change_nlink - Change nlink count on inode |
b3b94faa DT |
399 | * @ip: The GFS2 inode |
400 | * @diff: The change in the nlink count required | |
401 | * | |
402 | * Returns: errno | |
403 | */ | |
87d21e07 | 404 | int gfs2_change_nlink(struct gfs2_inode *ip, int diff) |
b3b94faa DT |
405 | { |
406 | struct buffer_head *dibh; | |
cd915493 | 407 | u32 nlink; |
b3b94faa DT |
408 | int error; |
409 | ||
4f56110a SW |
410 | BUG_ON(diff != 1 && diff != -1); |
411 | nlink = ip->i_inode.i_nlink + diff; | |
b3b94faa DT |
412 | |
413 | /* If we are reducing the nlink count, but the new value ends up being | |
414 | bigger than the old one, we must have underflowed. */ | |
4f56110a | 415 | if (diff < 0 && nlink > ip->i_inode.i_nlink) { |
b3b94faa | 416 | if (gfs2_consist_inode(ip)) |
4cc14f0b | 417 | gfs2_dinode_print(ip); |
b3b94faa DT |
418 | return -EIO; |
419 | } | |
420 | ||
421 | error = gfs2_meta_inode_buffer(ip, &dibh); | |
422 | if (error) | |
423 | return error; | |
424 | ||
4f56110a SW |
425 | if (diff > 0) |
426 | inc_nlink(&ip->i_inode); | |
427 | else | |
428 | drop_nlink(&ip->i_inode); | |
429 | ||
4bd91ba1 | 430 | ip->i_inode.i_ctime = CURRENT_TIME; |
b3b94faa | 431 | |
d4e9c4c3 | 432 | gfs2_trans_add_bh(ip->i_gl, dibh, 1); |
539e5d6b | 433 | gfs2_dinode_out(ip, dibh->b_data); |
b3b94faa | 434 | brelse(dibh); |
feaa7bba | 435 | mark_inode_dirty(&ip->i_inode); |
b3b94faa | 436 | |
87d21e07 | 437 | if (ip->i_inode.i_nlink == 0) |
ddee7608 | 438 | gfs2_unlink_di(&ip->i_inode); /* mark inode unlinked */ |
87d21e07 | 439 | |
5509826f WC |
440 | return error; |
441 | } | |
442 | ||
c752666c SW |
443 | struct inode *gfs2_lookup_simple(struct inode *dip, const char *name) |
444 | { | |
445 | struct qstr qstr; | |
6c93fd1e | 446 | struct inode *inode; |
71b86f56 | 447 | gfs2_str2qstr(&qstr, name); |
a569c711 | 448 | inode = gfs2_lookupi(dip, &qstr, 1); |
6c93fd1e RC |
449 | /* gfs2_lookupi has inconsistent callers: vfs |
450 | * related routines expect NULL for no entry found, | |
451 | * gfs2_lookup_simple callers expect ENOENT | |
452 | * and do not check for NULL. | |
453 | */ | |
454 | if (inode == NULL) | |
455 | return ERR_PTR(-ENOENT); | |
456 | else | |
457 | return inode; | |
c752666c SW |
458 | } |
459 | ||
460 | ||
b3b94faa DT |
461 | /** |
462 | * gfs2_lookupi - Look up a filename in a directory and return its inode | |
463 | * @d_gh: An initialized holder for the directory glock | |
464 | * @name: The name of the inode to look for | |
465 | * @is_root: If 1, ignore the caller's permissions | |
466 | * @i_gh: An uninitialized holder for the new inode glock | |
467 | * | |
d7c103d0 SW |
468 | * This can be called via the VFS filldir function when NFS is doing |
469 | * a readdirplus and the inode which its intending to stat isn't | |
470 | * already in cache. In this case we must not take the directory glock | |
471 | * again, since the readdir call will have already taken that lock. | |
b3b94faa DT |
472 | * |
473 | * Returns: errno | |
474 | */ | |
475 | ||
feaa7bba | 476 | struct inode *gfs2_lookupi(struct inode *dir, const struct qstr *name, |
a569c711 | 477 | int is_root) |
b3b94faa | 478 | { |
c9fd4307 | 479 | struct super_block *sb = dir->i_sb; |
feaa7bba | 480 | struct gfs2_inode *dip = GFS2_I(dir); |
b3b94faa | 481 | struct gfs2_holder d_gh; |
037bcbb7 | 482 | int error = 0; |
c752666c | 483 | struct inode *inode = NULL; |
d7c103d0 | 484 | int unlock = 0; |
b3b94faa DT |
485 | |
486 | if (!name->len || name->len > GFS2_FNAMESIZE) | |
c752666c | 487 | return ERR_PTR(-ENAMETOOLONG); |
b3b94faa | 488 | |
c752666c SW |
489 | if ((name->len == 1 && memcmp(name->name, ".", 1) == 0) || |
490 | (name->len == 2 && memcmp(name->name, "..", 2) == 0 && | |
491 | dir == sb->s_root->d_inode)) { | |
320dd101 SW |
492 | igrab(dir); |
493 | return dir; | |
b3b94faa DT |
494 | } |
495 | ||
7afd88d9 | 496 | if (gfs2_glock_is_locked_by_me(dip->i_gl) == NULL) { |
d7c103d0 SW |
497 | error = gfs2_glock_nq_init(dip->i_gl, LM_ST_SHARED, 0, &d_gh); |
498 | if (error) | |
499 | return ERR_PTR(error); | |
500 | unlock = 1; | |
501 | } | |
b3b94faa DT |
502 | |
503 | if (!is_root) { | |
f58ba889 | 504 | error = gfs2_permission(dir, MAY_EXEC); |
b3b94faa DT |
505 | if (error) |
506 | goto out; | |
507 | } | |
508 | ||
dbb7cae2 SW |
509 | inode = gfs2_dir_search(dir, name); |
510 | if (IS_ERR(inode)) | |
511 | error = PTR_ERR(inode); | |
7359a19c | 512 | out: |
d7c103d0 SW |
513 | if (unlock) |
514 | gfs2_glock_dq_uninit(&d_gh); | |
c752666c SW |
515 | if (error == -ENOENT) |
516 | return NULL; | |
d7c103d0 | 517 | return inode ? inode : ERR_PTR(error); |
b3b94faa DT |
518 | } |
519 | ||
b3b94faa DT |
520 | /** |
521 | * create_ok - OK to create a new on-disk inode here? | |
522 | * @dip: Directory in which dinode is to be created | |
523 | * @name: Name of new dinode | |
524 | * @mode: | |
525 | * | |
526 | * Returns: errno | |
527 | */ | |
528 | ||
feaa7bba | 529 | static int create_ok(struct gfs2_inode *dip, const struct qstr *name, |
b3b94faa DT |
530 | unsigned int mode) |
531 | { | |
532 | int error; | |
533 | ||
f58ba889 | 534 | error = gfs2_permission(&dip->i_inode, MAY_WRITE | MAY_EXEC); |
b3b94faa DT |
535 | if (error) |
536 | return error; | |
537 | ||
538 | /* Don't create entries in an unlinked directory */ | |
4f56110a | 539 | if (!dip->i_inode.i_nlink) |
b3b94faa DT |
540 | return -EPERM; |
541 | ||
dbb7cae2 | 542 | error = gfs2_dir_check(&dip->i_inode, name, NULL); |
b3b94faa DT |
543 | switch (error) { |
544 | case -ENOENT: | |
545 | error = 0; | |
546 | break; | |
547 | case 0: | |
548 | return -EEXIST; | |
549 | default: | |
550 | return error; | |
551 | } | |
552 | ||
ad6203f2 | 553 | if (dip->i_entries == (u32)-1) |
b3b94faa | 554 | return -EFBIG; |
4f56110a | 555 | if (S_ISDIR(mode) && dip->i_inode.i_nlink == (u32)-1) |
b3b94faa DT |
556 | return -EMLINK; |
557 | ||
558 | return 0; | |
559 | } | |
560 | ||
561 | static void munge_mode_uid_gid(struct gfs2_inode *dip, unsigned int *mode, | |
562 | unsigned int *uid, unsigned int *gid) | |
563 | { | |
feaa7bba | 564 | if (GFS2_SB(&dip->i_inode)->sd_args.ar_suiddir && |
2933f925 | 565 | (dip->i_inode.i_mode & S_ISUID) && dip->i_inode.i_uid) { |
b3b94faa DT |
566 | if (S_ISDIR(*mode)) |
567 | *mode |= S_ISUID; | |
3de7be33 | 568 | else if (dip->i_inode.i_uid != current_fsuid()) |
b3b94faa | 569 | *mode &= ~07111; |
2933f925 | 570 | *uid = dip->i_inode.i_uid; |
b3b94faa | 571 | } else |
3de7be33 | 572 | *uid = current_fsuid(); |
b3b94faa | 573 | |
b60623c2 | 574 | if (dip->i_inode.i_mode & S_ISGID) { |
b3b94faa DT |
575 | if (S_ISDIR(*mode)) |
576 | *mode |= S_ISGID; | |
2933f925 | 577 | *gid = dip->i_inode.i_gid; |
b3b94faa | 578 | } else |
3de7be33 | 579 | *gid = current_fsgid(); |
b3b94faa DT |
580 | } |
581 | ||
dbb7cae2 | 582 | static int alloc_dinode(struct gfs2_inode *dip, u64 *no_addr, u64 *generation) |
b3b94faa | 583 | { |
feaa7bba | 584 | struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode); |
b3b94faa DT |
585 | int error; |
586 | ||
6dbd8224 SW |
587 | if (gfs2_alloc_get(dip) == NULL) |
588 | return -ENOMEM; | |
b3b94faa | 589 | |
6dbd8224 | 590 | dip->i_alloc->al_requested = RES_DINODE; |
b3b94faa DT |
591 | error = gfs2_inplace_reserve(dip); |
592 | if (error) | |
593 | goto out; | |
594 | ||
feaa7bba | 595 | error = gfs2_trans_begin(sdp, RES_RG_BIT + RES_STATFS, 0); |
b3b94faa DT |
596 | if (error) |
597 | goto out_ipreserv; | |
598 | ||
6050b9c7 | 599 | error = gfs2_alloc_di(dip, no_addr, generation); |
b3b94faa DT |
600 | |
601 | gfs2_trans_end(sdp); | |
602 | ||
4340fe62 | 603 | out_ipreserv: |
b3b94faa | 604 | gfs2_inplace_release(dip); |
4340fe62 | 605 | out: |
b3b94faa | 606 | gfs2_alloc_put(dip); |
b3b94faa DT |
607 | return error; |
608 | } | |
609 | ||
610 | /** | |
611 | * init_dinode - Fill in a new dinode structure | |
612 | * @dip: the directory this inode is being created in | |
613 | * @gl: The glock covering the new inode | |
614 | * @inum: the inode number | |
615 | * @mode: the file permissions | |
616 | * @uid: | |
617 | * @gid: | |
618 | * | |
619 | */ | |
620 | ||
621 | static void init_dinode(struct gfs2_inode *dip, struct gfs2_glock *gl, | |
629a21e7 | 622 | const struct gfs2_inum_host *inum, unsigned int mode, |
4340fe62 | 623 | unsigned int uid, unsigned int gid, |
e9bd2b3b | 624 | const u64 *generation, dev_t dev, struct buffer_head **bhp) |
b3b94faa | 625 | { |
feaa7bba | 626 | struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode); |
b96ca4fa | 627 | struct gfs2_dinode *di; |
b3b94faa | 628 | struct buffer_head *dibh; |
4bd91ba1 | 629 | struct timespec tv = CURRENT_TIME; |
b3b94faa DT |
630 | |
631 | dibh = gfs2_meta_new(gl, inum->no_addr); | |
d4e9c4c3 | 632 | gfs2_trans_add_bh(gl, dibh, 1); |
b3b94faa DT |
633 | gfs2_metatype_set(dibh, GFS2_METATYPE_DI, GFS2_FORMAT_DI); |
634 | gfs2_buffer_clear_tail(dibh, sizeof(struct gfs2_dinode)); | |
b96ca4fa SW |
635 | di = (struct gfs2_dinode *)dibh->b_data; |
636 | ||
2442a098 SW |
637 | di->di_num.no_formal_ino = cpu_to_be64(inum->no_formal_ino); |
638 | di->di_num.no_addr = cpu_to_be64(inum->no_addr); | |
b96ca4fa SW |
639 | di->di_mode = cpu_to_be32(mode); |
640 | di->di_uid = cpu_to_be32(uid); | |
641 | di->di_gid = cpu_to_be32(gid); | |
294caaa3 SW |
642 | di->di_nlink = 0; |
643 | di->di_size = 0; | |
b96ca4fa | 644 | di->di_blocks = cpu_to_be64(1); |
4bd91ba1 | 645 | di->di_atime = di->di_mtime = di->di_ctime = cpu_to_be64(tv.tv_sec); |
e7f14f4d SW |
646 | di->di_major = cpu_to_be32(MAJOR(dev)); |
647 | di->di_minor = cpu_to_be32(MINOR(dev)); | |
b96ca4fa | 648 | di->di_goal_meta = di->di_goal_data = cpu_to_be64(inum->no_addr); |
4340fe62 | 649 | di->di_generation = cpu_to_be64(*generation); |
294caaa3 | 650 | di->di_flags = 0; |
b3b94faa DT |
651 | |
652 | if (S_ISREG(mode)) { | |
383f01fb | 653 | if ((dip->i_diskflags & GFS2_DIF_INHERIT_JDATA) || |
b3b94faa | 654 | gfs2_tune_get(sdp, gt_new_files_jdata)) |
b96ca4fa | 655 | di->di_flags |= cpu_to_be32(GFS2_DIF_JDATA); |
b3b94faa | 656 | } else if (S_ISDIR(mode)) { |
383f01fb | 657 | di->di_flags |= cpu_to_be32(dip->i_diskflags & |
568f4c96 | 658 | GFS2_DIF_INHERIT_JDATA); |
b3b94faa DT |
659 | } |
660 | ||
b96ca4fa | 661 | di->__pad1 = 0; |
a9583c79 | 662 | di->di_payload_format = cpu_to_be32(S_ISDIR(mode) ? GFS2_FORMAT_DE : 0); |
294caaa3 | 663 | di->di_height = 0; |
b96ca4fa SW |
664 | di->__pad2 = 0; |
665 | di->__pad3 = 0; | |
294caaa3 SW |
666 | di->di_depth = 0; |
667 | di->di_entries = 0; | |
b96ca4fa | 668 | memset(&di->__pad4, 0, sizeof(di->__pad4)); |
294caaa3 | 669 | di->di_eattr = 0; |
4bd91ba1 SW |
670 | di->di_atime_nsec = cpu_to_be32(tv.tv_nsec); |
671 | di->di_mtime_nsec = cpu_to_be32(tv.tv_nsec); | |
672 | di->di_ctime_nsec = cpu_to_be32(tv.tv_nsec); | |
b96ca4fa | 673 | memset(&di->di_reserved, 0, sizeof(di->di_reserved)); |
e9bd2b3b WC |
674 | |
675 | set_buffer_uptodate(dibh); | |
b96ca4fa | 676 | |
e9bd2b3b | 677 | *bhp = dibh; |
b3b94faa DT |
678 | } |
679 | ||
680 | static int make_dinode(struct gfs2_inode *dip, struct gfs2_glock *gl, | |
629a21e7 | 681 | unsigned int mode, const struct gfs2_inum_host *inum, |
e9bd2b3b | 682 | const u64 *generation, dev_t dev, struct buffer_head **bhp) |
b3b94faa | 683 | { |
feaa7bba | 684 | struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode); |
b3b94faa DT |
685 | unsigned int uid, gid; |
686 | int error; | |
687 | ||
688 | munge_mode_uid_gid(dip, &mode, &uid, &gid); | |
182fe5ab CG |
689 | if (!gfs2_alloc_get(dip)) |
690 | return -ENOMEM; | |
b3b94faa DT |
691 | |
692 | error = gfs2_quota_lock(dip, uid, gid); | |
693 | if (error) | |
694 | goto out; | |
695 | ||
696 | error = gfs2_quota_check(dip, uid, gid); | |
697 | if (error) | |
698 | goto out_quota; | |
699 | ||
feaa7bba | 700 | error = gfs2_trans_begin(sdp, RES_DINODE + RES_QUOTA, 0); |
b3b94faa DT |
701 | if (error) |
702 | goto out_quota; | |
703 | ||
e9bd2b3b | 704 | init_dinode(dip, gl, inum, mode, uid, gid, generation, dev, bhp); |
b3b94faa | 705 | gfs2_quota_change(dip, +1, uid, gid); |
b3b94faa DT |
706 | gfs2_trans_end(sdp); |
707 | ||
feaa7bba | 708 | out_quota: |
b3b94faa | 709 | gfs2_quota_unlock(dip); |
feaa7bba | 710 | out: |
b3b94faa | 711 | gfs2_alloc_put(dip); |
b3b94faa DT |
712 | return error; |
713 | } | |
714 | ||
feaa7bba SW |
715 | static int link_dinode(struct gfs2_inode *dip, const struct qstr *name, |
716 | struct gfs2_inode *ip) | |
b3b94faa | 717 | { |
feaa7bba | 718 | struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode); |
b3b94faa DT |
719 | struct gfs2_alloc *al; |
720 | int alloc_required; | |
721 | struct buffer_head *dibh; | |
722 | int error; | |
723 | ||
724 | al = gfs2_alloc_get(dip); | |
182fe5ab CG |
725 | if (!al) |
726 | return -ENOMEM; | |
b3b94faa DT |
727 | |
728 | error = gfs2_quota_lock(dip, NO_QUOTA_CHANGE, NO_QUOTA_CHANGE); | |
729 | if (error) | |
730 | goto fail; | |
731 | ||
feaa7bba | 732 | error = alloc_required = gfs2_diradd_alloc_required(&dip->i_inode, name); |
c752666c | 733 | if (alloc_required < 0) |
1b8177ec | 734 | goto fail_quota_locks; |
b3b94faa | 735 | if (alloc_required) { |
2933f925 | 736 | error = gfs2_quota_check(dip, dip->i_inode.i_uid, dip->i_inode.i_gid); |
b3b94faa DT |
737 | if (error) |
738 | goto fail_quota_locks; | |
739 | ||
740 | al->al_requested = sdp->sd_max_dirres; | |
741 | ||
742 | error = gfs2_inplace_reserve(dip); | |
743 | if (error) | |
744 | goto fail_quota_locks; | |
745 | ||
320dd101 | 746 | error = gfs2_trans_begin(sdp, sdp->sd_max_dirres + |
bb8d8a6f | 747 | al->al_rgd->rd_length + |
907b9bce | 748 | 2 * RES_DINODE + |
b3b94faa DT |
749 | RES_STATFS + RES_QUOTA, 0); |
750 | if (error) | |
751 | goto fail_ipreserv; | |
752 | } else { | |
feaa7bba | 753 | error = gfs2_trans_begin(sdp, RES_LEAF + 2 * RES_DINODE, 0); |
b3b94faa DT |
754 | if (error) |
755 | goto fail_quota_locks; | |
756 | } | |
757 | ||
dbb7cae2 | 758 | error = gfs2_dir_add(&dip->i_inode, name, ip, IF2DT(ip->i_inode.i_mode)); |
b3b94faa DT |
759 | if (error) |
760 | goto fail_end_trans; | |
761 | ||
762 | error = gfs2_meta_inode_buffer(ip, &dibh); | |
763 | if (error) | |
764 | goto fail_end_trans; | |
4f56110a | 765 | ip->i_inode.i_nlink = 1; |
d4e9c4c3 | 766 | gfs2_trans_add_bh(ip->i_gl, dibh, 1); |
539e5d6b | 767 | gfs2_dinode_out(ip, dibh->b_data); |
b3b94faa | 768 | brelse(dibh); |
b3b94faa DT |
769 | return 0; |
770 | ||
320dd101 | 771 | fail_end_trans: |
b3b94faa DT |
772 | gfs2_trans_end(sdp); |
773 | ||
320dd101 | 774 | fail_ipreserv: |
6dbd8224 | 775 | if (dip->i_alloc->al_rgd) |
b3b94faa DT |
776 | gfs2_inplace_release(dip); |
777 | ||
320dd101 | 778 | fail_quota_locks: |
b3b94faa DT |
779 | gfs2_quota_unlock(dip); |
780 | ||
320dd101 | 781 | fail: |
b3b94faa | 782 | gfs2_alloc_put(dip); |
b3b94faa DT |
783 | return error; |
784 | } | |
785 | ||
fcb47e0b RH |
786 | static int gfs2_security_init(struct gfs2_inode *dip, struct gfs2_inode *ip) |
787 | { | |
788 | int err; | |
789 | size_t len; | |
790 | void *value; | |
791 | char *name; | |
fcb47e0b RH |
792 | |
793 | err = security_inode_init_security(&ip->i_inode, &dip->i_inode, | |
794 | &name, &value, &len); | |
795 | ||
796 | if (err) { | |
797 | if (err == -EOPNOTSUPP) | |
798 | return 0; | |
799 | return err; | |
800 | } | |
801 | ||
431547b3 CH |
802 | err = __gfs2_xattr_set(&ip->i_inode, name, value, len, 0, |
803 | GFS2_EATYPE_SECURITY); | |
fcb47e0b RH |
804 | kfree(value); |
805 | kfree(name); | |
806 | ||
807 | return err; | |
808 | } | |
809 | ||
b3b94faa DT |
810 | /** |
811 | * gfs2_createi - Create a new inode | |
812 | * @ghs: An array of two holders | |
813 | * @name: The name of the new file | |
814 | * @mode: the permissions on the new inode | |
815 | * | |
816 | * @ghs[0] is an initialized holder for the directory | |
817 | * @ghs[1] is the holder for the inode lock | |
818 | * | |
7359a19c | 819 | * If the return value is not NULL, the glocks on both the directory and the new |
b3b94faa DT |
820 | * file are held. A transaction has been started and an inplace reservation |
821 | * is held, as well. | |
822 | * | |
7359a19c | 823 | * Returns: An inode |
b3b94faa DT |
824 | */ |
825 | ||
feaa7bba | 826 | struct inode *gfs2_createi(struct gfs2_holder *ghs, const struct qstr *name, |
e7f14f4d | 827 | unsigned int mode, dev_t dev) |
b3b94faa | 828 | { |
e1cc8603 | 829 | struct inode *inode = NULL; |
5c676f6d | 830 | struct gfs2_inode *dip = ghs->gh_gl->gl_object; |
feaa7bba SW |
831 | struct inode *dir = &dip->i_inode; |
832 | struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode); | |
dbb7cae2 | 833 | struct gfs2_inum_host inum = { .no_addr = 0, .no_formal_ino = 0 }; |
b3b94faa | 834 | int error; |
4340fe62 | 835 | u64 generation; |
f91a0d3e | 836 | struct buffer_head *bh = NULL; |
b3b94faa DT |
837 | |
838 | if (!name->len || name->len > GFS2_FNAMESIZE) | |
7359a19c | 839 | return ERR_PTR(-ENAMETOOLONG); |
b3b94faa | 840 | |
b3b94faa DT |
841 | gfs2_holder_reinit(LM_ST_EXCLUSIVE, 0, ghs); |
842 | error = gfs2_glock_nq(ghs); | |
843 | if (error) | |
844 | goto fail; | |
845 | ||
846 | error = create_ok(dip, name, mode); | |
847 | if (error) | |
848 | goto fail_gunlock; | |
849 | ||
dbb7cae2 | 850 | error = alloc_dinode(dip, &inum.no_addr, &generation); |
b3b94faa DT |
851 | if (error) |
852 | goto fail_gunlock; | |
8d8291ae | 853 | inum.no_formal_ino = generation; |
b3b94faa | 854 | |
28626e20 SW |
855 | error = gfs2_glock_nq_num(sdp, inum.no_addr, &gfs2_inode_glops, |
856 | LM_ST_EXCLUSIVE, GL_SKIP, ghs + 1); | |
857 | if (error) | |
858 | goto fail_gunlock; | |
b3b94faa | 859 | |
e9bd2b3b | 860 | error = make_dinode(dip, ghs[1].gh_gl, mode, &inum, &generation, dev, &bh); |
b3b94faa DT |
861 | if (error) |
862 | goto fail_gunlock2; | |
863 | ||
8d8291ae SW |
864 | inode = gfs2_inode_lookup(dir->i_sb, IF2DT(mode), inum.no_addr, |
865 | inum.no_formal_ino, 0); | |
feaa7bba | 866 | if (IS_ERR(inode)) |
b3b94faa DT |
867 | goto fail_gunlock2; |
868 | ||
feaa7bba | 869 | error = gfs2_inode_refresh(GFS2_I(inode)); |
b3b94faa | 870 | if (error) |
e1cc8603 | 871 | goto fail_gunlock2; |
b3b94faa | 872 | |
479c427d | 873 | error = gfs2_acl_create(dip, inode); |
b3b94faa | 874 | if (error) |
e1cc8603 | 875 | goto fail_gunlock2; |
b3b94faa | 876 | |
fcb47e0b RH |
877 | error = gfs2_security_init(dip, GFS2_I(inode)); |
878 | if (error) | |
e1cc8603 | 879 | goto fail_gunlock2; |
fcb47e0b | 880 | |
feaa7bba | 881 | error = link_dinode(dip, name, GFS2_I(inode)); |
b3b94faa | 882 | if (error) |
e1cc8603 | 883 | goto fail_gunlock2; |
b3b94faa | 884 | |
f91a0d3e SW |
885 | if (bh) |
886 | brelse(bh); | |
7359a19c | 887 | return inode; |
b3b94faa | 888 | |
320dd101 | 889 | fail_gunlock2: |
b3b94faa | 890 | gfs2_glock_dq_uninit(ghs + 1); |
bd1eb881 | 891 | if (inode && !IS_ERR(inode)) |
e1cc8603 | 892 | iput(inode); |
320dd101 | 893 | fail_gunlock: |
b3b94faa | 894 | gfs2_glock_dq(ghs); |
320dd101 | 895 | fail: |
f91a0d3e SW |
896 | if (bh) |
897 | brelse(bh); | |
7359a19c | 898 | return ERR_PTR(error); |
b3b94faa DT |
899 | } |
900 | ||
536baf02 | 901 | static int __gfs2_setattr_simple(struct gfs2_inode *ip, struct iattr *attr) |
b3b94faa DT |
902 | { |
903 | struct buffer_head *dibh; | |
904 | int error; | |
905 | ||
906 | error = gfs2_meta_inode_buffer(ip, &dibh); | |
907 | if (!error) { | |
feaa7bba SW |
908 | error = inode_setattr(&ip->i_inode, attr); |
909 | gfs2_assert_warn(GFS2_SB(&ip->i_inode), !error); | |
d4e9c4c3 | 910 | gfs2_trans_add_bh(ip->i_gl, dibh, 1); |
539e5d6b | 911 | gfs2_dinode_out(ip, dibh->b_data); |
b3b94faa DT |
912 | brelse(dibh); |
913 | } | |
914 | return error; | |
915 | } | |
916 | ||
917 | /** | |
918 | * gfs2_setattr_simple - | |
919 | * @ip: | |
920 | * @attr: | |
921 | * | |
922 | * Called with a reference on the vnode. | |
923 | * | |
924 | * Returns: errno | |
925 | */ | |
926 | ||
927 | int gfs2_setattr_simple(struct gfs2_inode *ip, struct iattr *attr) | |
928 | { | |
929 | int error; | |
930 | ||
5c676f6d | 931 | if (current->journal_info) |
b3b94faa DT |
932 | return __gfs2_setattr_simple(ip, attr); |
933 | ||
feaa7bba | 934 | error = gfs2_trans_begin(GFS2_SB(&ip->i_inode), RES_DINODE, 0); |
b3b94faa DT |
935 | if (error) |
936 | return error; | |
937 | ||
938 | error = __gfs2_setattr_simple(ip, attr); | |
feaa7bba | 939 | gfs2_trans_end(GFS2_SB(&ip->i_inode)); |
b3b94faa DT |
940 | return error; |
941 | } | |
942 | ||
bb8d8a6f SW |
943 | void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf) |
944 | { | |
bb8d8a6f SW |
945 | struct gfs2_dinode *str = buf; |
946 | ||
947 | str->di_header.mh_magic = cpu_to_be32(GFS2_MAGIC); | |
948 | str->di_header.mh_type = cpu_to_be32(GFS2_METATYPE_DI); | |
bb8d8a6f | 949 | str->di_header.mh_format = cpu_to_be32(GFS2_FORMAT_DI); |
bb8d8a6f SW |
950 | str->di_num.no_addr = cpu_to_be64(ip->i_no_addr); |
951 | str->di_num.no_formal_ino = cpu_to_be64(ip->i_no_formal_ino); | |
952 | str->di_mode = cpu_to_be32(ip->i_inode.i_mode); | |
953 | str->di_uid = cpu_to_be32(ip->i_inode.i_uid); | |
954 | str->di_gid = cpu_to_be32(ip->i_inode.i_gid); | |
955 | str->di_nlink = cpu_to_be32(ip->i_inode.i_nlink); | |
c9e98886 | 956 | str->di_size = cpu_to_be64(ip->i_disksize); |
77658aad | 957 | str->di_blocks = cpu_to_be64(gfs2_get_inode_blocks(&ip->i_inode)); |
bb8d8a6f SW |
958 | str->di_atime = cpu_to_be64(ip->i_inode.i_atime.tv_sec); |
959 | str->di_mtime = cpu_to_be64(ip->i_inode.i_mtime.tv_sec); | |
960 | str->di_ctime = cpu_to_be64(ip->i_inode.i_ctime.tv_sec); | |
961 | ||
ce276b06 SW |
962 | str->di_goal_meta = cpu_to_be64(ip->i_goal); |
963 | str->di_goal_data = cpu_to_be64(ip->i_goal); | |
bcf0b5b3 | 964 | str->di_generation = cpu_to_be64(ip->i_generation); |
bb8d8a6f | 965 | |
383f01fb | 966 | str->di_flags = cpu_to_be32(ip->i_diskflags); |
ecc30c79 | 967 | str->di_height = cpu_to_be16(ip->i_height); |
bb8d8a6f | 968 | str->di_payload_format = cpu_to_be32(S_ISDIR(ip->i_inode.i_mode) && |
383f01fb | 969 | !(ip->i_diskflags & GFS2_DIF_EXHASH) ? |
bb8d8a6f | 970 | GFS2_FORMAT_DE : 0); |
9a004508 | 971 | str->di_depth = cpu_to_be16(ip->i_depth); |
ad6203f2 | 972 | str->di_entries = cpu_to_be32(ip->i_entries); |
bb8d8a6f | 973 | |
3767ac21 | 974 | str->di_eattr = cpu_to_be64(ip->i_eattr); |
4bd91ba1 SW |
975 | str->di_atime_nsec = cpu_to_be32(ip->i_inode.i_atime.tv_nsec); |
976 | str->di_mtime_nsec = cpu_to_be32(ip->i_inode.i_mtime.tv_nsec); | |
977 | str->di_ctime_nsec = cpu_to_be32(ip->i_inode.i_ctime.tv_nsec); | |
bb8d8a6f SW |
978 | } |
979 | ||
980 | void gfs2_dinode_print(const struct gfs2_inode *ip) | |
981 | { | |
bb8d8a6f SW |
982 | printk(KERN_INFO " no_formal_ino = %llu\n", |
983 | (unsigned long long)ip->i_no_formal_ino); | |
984 | printk(KERN_INFO " no_addr = %llu\n", | |
985 | (unsigned long long)ip->i_no_addr); | |
c9e98886 SW |
986 | printk(KERN_INFO " i_disksize = %llu\n", |
987 | (unsigned long long)ip->i_disksize); | |
77658aad SW |
988 | printk(KERN_INFO " blocks = %llu\n", |
989 | (unsigned long long)gfs2_get_inode_blocks(&ip->i_inode)); | |
ce276b06 SW |
990 | printk(KERN_INFO " i_goal = %llu\n", |
991 | (unsigned long long)ip->i_goal); | |
383f01fb | 992 | printk(KERN_INFO " i_diskflags = 0x%.8X\n", ip->i_diskflags); |
ca390601 | 993 | printk(KERN_INFO " i_height = %u\n", ip->i_height); |
9a004508 | 994 | printk(KERN_INFO " i_depth = %u\n", ip->i_depth); |
ad6203f2 | 995 | printk(KERN_INFO " i_entries = %u\n", ip->i_entries); |
3767ac21 SW |
996 | printk(KERN_INFO " i_eattr = %llu\n", |
997 | (unsigned long long)ip->i_eattr); | |
bb8d8a6f SW |
998 | } |
999 |