Commit | Line | Data |
---|---|---|
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 | ||
35dcc52e | 76 | /** |
24d9765f SW |
77 | * gfs2_set_iop - Sets inode operations |
78 | * @inode: The inode with correct i_mode filled in | |
35dcc52e | 79 | * |
24d9765f SW |
80 | * GFS2 lookup code fills in vfs inode contents based on info obtained |
81 | * from directory entry inside gfs2_inode_lookup(). | |
82 | */ | |
35dcc52e | 83 | |
24d9765f | 84 | static void gfs2_set_iop(struct inode *inode) |
35dcc52e | 85 | { |
c97bfe43 | 86 | struct gfs2_sbd *sdp = GFS2_SB(inode); |
35dcc52e WC |
87 | umode_t mode = inode->i_mode; |
88 | ||
89 | if (S_ISREG(mode)) { | |
90 | inode->i_op = &gfs2_file_iops; | |
f057f6cd | 91 | if (gfs2_localflocks(sdp)) |
10d21988 | 92 | inode->i_fop = &gfs2_file_fops_nolock; |
c97bfe43 | 93 | else |
10d21988 | 94 | inode->i_fop = &gfs2_file_fops; |
35dcc52e WC |
95 | } else if (S_ISDIR(mode)) { |
96 | inode->i_op = &gfs2_dir_iops; | |
f057f6cd | 97 | if (gfs2_localflocks(sdp)) |
10d21988 | 98 | inode->i_fop = &gfs2_dir_fops_nolock; |
c97bfe43 | 99 | else |
10d21988 | 100 | inode->i_fop = &gfs2_dir_fops; |
35dcc52e WC |
101 | } else if (S_ISLNK(mode)) { |
102 | inode->i_op = &gfs2_symlink_iops; | |
103 | } else { | |
d83225d4 | 104 | inode->i_op = &gfs2_file_iops; |
43a33c53 | 105 | init_special_inode(inode, inode->i_mode, inode->i_rdev); |
35dcc52e | 106 | } |
35dcc52e WC |
107 | } |
108 | ||
b3b94faa | 109 | /** |
feaa7bba SW |
110 | * gfs2_inode_lookup - Lookup an inode |
111 | * @sb: The super block | |
dbb7cae2 | 112 | * @no_addr: The inode number |
feaa7bba | 113 | * @type: The type of the inode |
b3b94faa | 114 | * |
feaa7bba | 115 | * Returns: A VFS inode, or an error |
b3b94faa DT |
116 | */ |
117 | ||
24d9765f SW |
118 | struct inode *gfs2_inode_lookup(struct super_block *sb, unsigned int type, |
119 | u64 no_addr, u64 no_formal_ino) | |
b3b94faa | 120 | { |
7a9f53b3 BM |
121 | struct inode *inode; |
122 | struct gfs2_inode *ip; | |
b1becbde | 123 | struct gfs2_glock *io_gl = NULL; |
feaa7bba | 124 | int error; |
b3b94faa | 125 | |
1a0eae88 | 126 | inode = gfs2_iget(sb, no_addr); |
7a9f53b3 BM |
127 | ip = GFS2_I(inode); |
128 | ||
26d83ded SW |
129 | if (!inode) |
130 | return ERR_PTR(-ENOBUFS); | |
131 | ||
feaa7bba SW |
132 | if (inode->i_state & I_NEW) { |
133 | struct gfs2_sbd *sdp = GFS2_SB(inode); | |
bb9bcf06 | 134 | ip->i_no_formal_ino = no_formal_ino; |
b3b94faa | 135 | |
dbb7cae2 | 136 | error = gfs2_glock_get(sdp, no_addr, &gfs2_inode_glops, CREATE, &ip->i_gl); |
feaa7bba SW |
137 | if (unlikely(error)) |
138 | goto fail; | |
139 | ip->i_gl->gl_object = ip; | |
b3b94faa | 140 | |
dbb7cae2 | 141 | error = gfs2_glock_get(sdp, no_addr, &gfs2_iopen_glops, CREATE, &io_gl); |
feaa7bba SW |
142 | if (unlikely(error)) |
143 | goto fail_put; | |
b3b94faa | 144 | |
bfded27b | 145 | set_bit(GIF_INVALID, &ip->i_flags); |
feaa7bba SW |
146 | error = gfs2_glock_nq_init(io_gl, LM_ST_SHARED, GL_EXACT, &ip->i_iopen_gh); |
147 | if (unlikely(error)) | |
148 | goto fail_iopen; | |
b3b94faa | 149 | |
24d9765f | 150 | ip->i_iopen_gh.gh_gl->gl_object = ip; |
feaa7bba | 151 | gfs2_glock_put(io_gl); |
b1becbde | 152 | io_gl = NULL; |
c8cdf479 | 153 | |
c8cdf479 | 154 | if (type == DT_UNKNOWN) { |
24d9765f SW |
155 | /* Inode glock must be locked already */ |
156 | error = gfs2_inode_refresh(GFS2_I(inode)); | |
157 | if (error) | |
158 | goto fail_refresh; | |
159 | } else { | |
160 | inode->i_mode = DT2IF(type); | |
c8cdf479 SW |
161 | } |
162 | ||
35dcc52e | 163 | gfs2_set_iop(inode); |
24d9765f | 164 | unlock_new_inode(inode); |
feaa7bba | 165 | } |
b3b94faa DT |
166 | |
167 | return inode; | |
24d9765f SW |
168 | |
169 | fail_refresh: | |
170 | ip->i_iopen_gh.gh_gl->gl_object = NULL; | |
171 | gfs2_glock_dq_uninit(&ip->i_iopen_gh); | |
feaa7bba | 172 | fail_iopen: |
b1becbde BP |
173 | if (io_gl) |
174 | gfs2_glock_put(io_gl); | |
feaa7bba | 175 | fail_put: |
24d9765f | 176 | ip->i_gl->gl_object = NULL; |
feaa7bba SW |
177 | gfs2_glock_put(ip->i_gl); |
178 | fail: | |
24d9765f | 179 | iget_failed(inode); |
feaa7bba | 180 | return ERR_PTR(error); |
b3b94faa DT |
181 | } |
182 | ||
044b9414 SW |
183 | struct inode *gfs2_lookup_by_inum(struct gfs2_sbd *sdp, u64 no_addr, |
184 | u64 *no_formal_ino, unsigned int blktype) | |
1a0eae88 | 185 | { |
044b9414 SW |
186 | struct super_block *sb = sdp->sd_vfs; |
187 | struct gfs2_holder i_gh; | |
ed4878e8 | 188 | struct inode *inode; |
044b9414 | 189 | int error; |
1a0eae88 | 190 | |
044b9414 SW |
191 | error = gfs2_glock_nq_num(sdp, no_addr, &gfs2_inode_glops, |
192 | LM_ST_SHARED, LM_FLAG_ANY, &i_gh); | |
193 | if (error) | |
194 | return ERR_PTR(error); | |
1a0eae88 | 195 | |
044b9414 SW |
196 | error = gfs2_check_blk_type(sdp, no_addr, blktype); |
197 | if (error) | |
1a0eae88 | 198 | goto fail; |
1a0eae88 | 199 | |
044b9414 SW |
200 | inode = gfs2_inode_lookup(sb, DT_UNKNOWN, no_addr, 0); |
201 | if (IS_ERR(inode)) | |
202 | goto fail; | |
ed4878e8 | 203 | |
044b9414 SW |
204 | /* Two extra checks for NFS only */ |
205 | if (no_formal_ino) { | |
206 | error = -ESTALE; | |
207 | if (GFS2_I(inode)->i_no_formal_ino != *no_formal_ino) | |
208 | goto fail_iput; | |
ed4878e8 | 209 | |
044b9414 SW |
210 | error = -EIO; |
211 | if (GFS2_I(inode)->i_diskflags & GFS2_DIF_SYSTEM) | |
212 | goto fail_iput; | |
ed4878e8 | 213 | |
044b9414 SW |
214 | error = 0; |
215 | } | |
1a0eae88 | 216 | |
1a0eae88 | 217 | fail: |
044b9414 SW |
218 | gfs2_glock_dq_uninit(&i_gh); |
219 | return error ? ERR_PTR(error) : inode; | |
220 | fail_iput: | |
221 | iput(inode); | |
222 | goto fail; | |
1a0eae88 BP |
223 | } |
224 | ||
af339c02 | 225 | static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf) |
ea744d01 | 226 | { |
ea744d01 | 227 | const struct gfs2_dinode *str = buf; |
719ee344 | 228 | struct timespec atime; |
9a004508 | 229 | u16 height, depth; |
ea744d01 | 230 | |
ecc30c79 SW |
231 | if (unlikely(ip->i_no_addr != be64_to_cpu(str->di_num.no_addr))) |
232 | goto corrupt; | |
dbb7cae2 | 233 | ip->i_no_formal_ino = be64_to_cpu(str->di_num.no_formal_ino); |
b60623c2 | 234 | ip->i_inode.i_mode = be32_to_cpu(str->di_mode); |
e7f14f4d | 235 | ip->i_inode.i_rdev = 0; |
b60623c2 | 236 | switch (ip->i_inode.i_mode & S_IFMT) { |
e7f14f4d SW |
237 | case S_IFBLK: |
238 | case S_IFCHR: | |
239 | ip->i_inode.i_rdev = MKDEV(be32_to_cpu(str->di_major), | |
240 | be32_to_cpu(str->di_minor)); | |
241 | break; | |
242 | }; | |
243 | ||
2933f925 SW |
244 | ip->i_inode.i_uid = be32_to_cpu(str->di_uid); |
245 | ip->i_inode.i_gid = be32_to_cpu(str->di_gid); | |
4f56110a SW |
246 | /* |
247 | * We will need to review setting the nlink count here in the | |
248 | * light of the forthcoming ro bind mount work. This is a reminder | |
249 | * to do that. | |
250 | */ | |
251 | ip->i_inode.i_nlink = be32_to_cpu(str->di_nlink); | |
a2e0f799 | 252 | i_size_write(&ip->i_inode, be64_to_cpu(str->di_size)); |
77658aad | 253 | gfs2_set_inode_blocks(&ip->i_inode, be64_to_cpu(str->di_blocks)); |
719ee344 SW |
254 | atime.tv_sec = be64_to_cpu(str->di_atime); |
255 | atime.tv_nsec = be32_to_cpu(str->di_atime_nsec); | |
256 | if (timespec_compare(&ip->i_inode.i_atime, &atime) < 0) | |
257 | ip->i_inode.i_atime = atime; | |
1a7b1eed | 258 | ip->i_inode.i_mtime.tv_sec = be64_to_cpu(str->di_mtime); |
4bd91ba1 | 259 | ip->i_inode.i_mtime.tv_nsec = be32_to_cpu(str->di_mtime_nsec); |
1a7b1eed | 260 | ip->i_inode.i_ctime.tv_sec = be64_to_cpu(str->di_ctime); |
4bd91ba1 | 261 | ip->i_inode.i_ctime.tv_nsec = be32_to_cpu(str->di_ctime_nsec); |
ea744d01 | 262 | |
ce276b06 | 263 | ip->i_goal = be64_to_cpu(str->di_goal_meta); |
bcf0b5b3 | 264 | ip->i_generation = be64_to_cpu(str->di_generation); |
ea744d01 | 265 | |
383f01fb | 266 | ip->i_diskflags = be32_to_cpu(str->di_flags); |
6b124d8d | 267 | gfs2_set_inode_flags(&ip->i_inode); |
ecc30c79 SW |
268 | height = be16_to_cpu(str->di_height); |
269 | if (unlikely(height > GFS2_MAX_META_HEIGHT)) | |
270 | goto corrupt; | |
271 | ip->i_height = (u8)height; | |
ea744d01 | 272 | |
9a004508 SW |
273 | depth = be16_to_cpu(str->di_depth); |
274 | if (unlikely(depth > GFS2_DIR_MAX_DEPTH)) | |
275 | goto corrupt; | |
276 | ip->i_depth = (u8)depth; | |
ad6203f2 | 277 | ip->i_entries = be32_to_cpu(str->di_entries); |
ea744d01 | 278 | |
3767ac21 | 279 | ip->i_eattr = be64_to_cpu(str->di_eattr); |
5561093e SW |
280 | if (S_ISREG(ip->i_inode.i_mode)) |
281 | gfs2_set_aops(&ip->i_inode); | |
282 | ||
af339c02 | 283 | return 0; |
ecc30c79 SW |
284 | corrupt: |
285 | if (gfs2_consist_inode(ip)) | |
286 | gfs2_dinode_print(ip); | |
287 | return -EIO; | |
ea744d01 SW |
288 | } |
289 | ||
b3b94faa DT |
290 | /** |
291 | * gfs2_inode_refresh - Refresh the incore copy of the dinode | |
292 | * @ip: The GFS2 inode | |
293 | * | |
294 | * Returns: errno | |
295 | */ | |
296 | ||
297 | int gfs2_inode_refresh(struct gfs2_inode *ip) | |
298 | { | |
299 | struct buffer_head *dibh; | |
300 | int error; | |
301 | ||
302 | error = gfs2_meta_inode_buffer(ip, &dibh); | |
303 | if (error) | |
304 | return error; | |
305 | ||
feaa7bba | 306 | if (gfs2_metatype_check(GFS2_SB(&ip->i_inode), dibh, GFS2_METATYPE_DI)) { |
b3b94faa DT |
307 | brelse(dibh); |
308 | return -EIO; | |
309 | } | |
310 | ||
af339c02 | 311 | error = gfs2_dinode_in(ip, dibh->b_data); |
b3b94faa | 312 | brelse(dibh); |
bfded27b | 313 | clear_bit(GIF_INVALID, &ip->i_flags); |
b3b94faa | 314 | |
af339c02 | 315 | return error; |
b3b94faa DT |
316 | } |
317 | ||
feaa7bba | 318 | int gfs2_dinode_dealloc(struct gfs2_inode *ip) |
b3b94faa | 319 | { |
feaa7bba | 320 | struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode); |
b3b94faa DT |
321 | struct gfs2_alloc *al; |
322 | struct gfs2_rgrpd *rgd; | |
323 | int error; | |
324 | ||
77658aad | 325 | if (gfs2_get_inode_blocks(&ip->i_inode) != 1) { |
b3b94faa | 326 | if (gfs2_consist_inode(ip)) |
4cc14f0b | 327 | gfs2_dinode_print(ip); |
b3b94faa DT |
328 | return -EIO; |
329 | } | |
330 | ||
331 | al = gfs2_alloc_get(ip); | |
182fe5ab CG |
332 | if (!al) |
333 | return -ENOMEM; | |
b3b94faa DT |
334 | |
335 | error = gfs2_quota_hold(ip, NO_QUOTA_CHANGE, NO_QUOTA_CHANGE); | |
336 | if (error) | |
337 | goto out; | |
338 | ||
339 | error = gfs2_rindex_hold(sdp, &al->al_ri_gh); | |
340 | if (error) | |
341 | goto out_qs; | |
342 | ||
dbb7cae2 | 343 | rgd = gfs2_blk2rgrpd(sdp, ip->i_no_addr); |
b3b94faa DT |
344 | if (!rgd) { |
345 | gfs2_consist_inode(ip); | |
346 | error = -EIO; | |
347 | goto out_rindex_relse; | |
348 | } | |
349 | ||
350 | error = gfs2_glock_nq_init(rgd->rd_gl, LM_ST_EXCLUSIVE, 0, | |
351 | &al->al_rgd_gh); | |
352 | if (error) | |
353 | goto out_rindex_relse; | |
354 | ||
420b9e5e | 355 | error = gfs2_trans_begin(sdp, RES_RG_BIT + RES_STATFS + RES_QUOTA, 1); |
b3b94faa DT |
356 | if (error) |
357 | goto out_rg_gunlock; | |
358 | ||
2bcd610d SW |
359 | set_bit(GLF_DIRTY, &ip->i_gl->gl_flags); |
360 | set_bit(GLF_LFLUSH, &ip->i_gl->gl_flags); | |
b3b94faa DT |
361 | |
362 | gfs2_free_di(rgd, ip); | |
363 | ||
b3b94faa | 364 | gfs2_trans_end(sdp); |
b3b94faa | 365 | |
feaa7bba | 366 | out_rg_gunlock: |
b3b94faa | 367 | gfs2_glock_dq_uninit(&al->al_rgd_gh); |
feaa7bba | 368 | out_rindex_relse: |
b3b94faa | 369 | gfs2_glock_dq_uninit(&al->al_ri_gh); |
feaa7bba | 370 | out_qs: |
b3b94faa | 371 | gfs2_quota_unhold(ip); |
36327521 | 372 | out: |
feaa7bba | 373 | gfs2_alloc_put(ip); |
b3b94faa DT |
374 | return error; |
375 | } | |
376 | ||
b3b94faa | 377 | /** |
87d21e07 | 378 | * gfs2_change_nlink - Change nlink count on inode |
b3b94faa DT |
379 | * @ip: The GFS2 inode |
380 | * @diff: The change in the nlink count required | |
381 | * | |
382 | * Returns: errno | |
383 | */ | |
87d21e07 | 384 | int gfs2_change_nlink(struct gfs2_inode *ip, int diff) |
b3b94faa DT |
385 | { |
386 | struct buffer_head *dibh; | |
cd915493 | 387 | u32 nlink; |
b3b94faa DT |
388 | int error; |
389 | ||
4f56110a SW |
390 | BUG_ON(diff != 1 && diff != -1); |
391 | nlink = ip->i_inode.i_nlink + diff; | |
b3b94faa DT |
392 | |
393 | /* If we are reducing the nlink count, but the new value ends up being | |
394 | bigger than the old one, we must have underflowed. */ | |
4f56110a | 395 | if (diff < 0 && nlink > ip->i_inode.i_nlink) { |
b3b94faa | 396 | if (gfs2_consist_inode(ip)) |
4cc14f0b | 397 | gfs2_dinode_print(ip); |
b3b94faa DT |
398 | return -EIO; |
399 | } | |
400 | ||
401 | error = gfs2_meta_inode_buffer(ip, &dibh); | |
402 | if (error) | |
403 | return error; | |
404 | ||
4f56110a SW |
405 | if (diff > 0) |
406 | inc_nlink(&ip->i_inode); | |
407 | else | |
408 | drop_nlink(&ip->i_inode); | |
409 | ||
4bd91ba1 | 410 | ip->i_inode.i_ctime = CURRENT_TIME; |
b3b94faa | 411 | |
d4e9c4c3 | 412 | gfs2_trans_add_bh(ip->i_gl, dibh, 1); |
539e5d6b | 413 | gfs2_dinode_out(ip, dibh->b_data); |
b3b94faa | 414 | brelse(dibh); |
feaa7bba | 415 | mark_inode_dirty(&ip->i_inode); |
b3b94faa | 416 | |
87d21e07 | 417 | if (ip->i_inode.i_nlink == 0) |
ddee7608 | 418 | gfs2_unlink_di(&ip->i_inode); /* mark inode unlinked */ |
87d21e07 | 419 | |
5509826f WC |
420 | return error; |
421 | } | |
422 | ||
c752666c SW |
423 | struct inode *gfs2_lookup_simple(struct inode *dip, const char *name) |
424 | { | |
425 | struct qstr qstr; | |
6c93fd1e | 426 | struct inode *inode; |
71b86f56 | 427 | gfs2_str2qstr(&qstr, name); |
a569c711 | 428 | inode = gfs2_lookupi(dip, &qstr, 1); |
6c93fd1e RC |
429 | /* gfs2_lookupi has inconsistent callers: vfs |
430 | * related routines expect NULL for no entry found, | |
431 | * gfs2_lookup_simple callers expect ENOENT | |
432 | * and do not check for NULL. | |
433 | */ | |
434 | if (inode == NULL) | |
435 | return ERR_PTR(-ENOENT); | |
436 | else | |
437 | return inode; | |
c752666c SW |
438 | } |
439 | ||
440 | ||
b3b94faa DT |
441 | /** |
442 | * gfs2_lookupi - Look up a filename in a directory and return its inode | |
443 | * @d_gh: An initialized holder for the directory glock | |
444 | * @name: The name of the inode to look for | |
445 | * @is_root: If 1, ignore the caller's permissions | |
446 | * @i_gh: An uninitialized holder for the new inode glock | |
447 | * | |
d7c103d0 SW |
448 | * This can be called via the VFS filldir function when NFS is doing |
449 | * a readdirplus and the inode which its intending to stat isn't | |
450 | * already in cache. In this case we must not take the directory glock | |
451 | * again, since the readdir call will have already taken that lock. | |
b3b94faa DT |
452 | * |
453 | * Returns: errno | |
454 | */ | |
455 | ||
feaa7bba | 456 | struct inode *gfs2_lookupi(struct inode *dir, const struct qstr *name, |
a569c711 | 457 | int is_root) |
b3b94faa | 458 | { |
c9fd4307 | 459 | struct super_block *sb = dir->i_sb; |
feaa7bba | 460 | struct gfs2_inode *dip = GFS2_I(dir); |
b3b94faa | 461 | struct gfs2_holder d_gh; |
037bcbb7 | 462 | int error = 0; |
c752666c | 463 | struct inode *inode = NULL; |
d7c103d0 | 464 | int unlock = 0; |
b3b94faa DT |
465 | |
466 | if (!name->len || name->len > GFS2_FNAMESIZE) | |
c752666c | 467 | return ERR_PTR(-ENAMETOOLONG); |
b3b94faa | 468 | |
c752666c SW |
469 | if ((name->len == 1 && memcmp(name->name, ".", 1) == 0) || |
470 | (name->len == 2 && memcmp(name->name, "..", 2) == 0 && | |
471 | dir == sb->s_root->d_inode)) { | |
320dd101 SW |
472 | igrab(dir); |
473 | return dir; | |
b3b94faa DT |
474 | } |
475 | ||
7afd88d9 | 476 | if (gfs2_glock_is_locked_by_me(dip->i_gl) == NULL) { |
d7c103d0 SW |
477 | error = gfs2_glock_nq_init(dip->i_gl, LM_ST_SHARED, 0, &d_gh); |
478 | if (error) | |
479 | return ERR_PTR(error); | |
480 | unlock = 1; | |
481 | } | |
b3b94faa DT |
482 | |
483 | if (!is_root) { | |
b74c79e9 | 484 | error = gfs2_permission(dir, MAY_EXEC, 0); |
b3b94faa DT |
485 | if (error) |
486 | goto out; | |
487 | } | |
488 | ||
dbb7cae2 SW |
489 | inode = gfs2_dir_search(dir, name); |
490 | if (IS_ERR(inode)) | |
491 | error = PTR_ERR(inode); | |
7359a19c | 492 | out: |
d7c103d0 SW |
493 | if (unlock) |
494 | gfs2_glock_dq_uninit(&d_gh); | |
c752666c SW |
495 | if (error == -ENOENT) |
496 | return NULL; | |
d7c103d0 | 497 | return inode ? inode : ERR_PTR(error); |
b3b94faa DT |
498 | } |
499 | ||
b3b94faa DT |
500 | /** |
501 | * create_ok - OK to create a new on-disk inode here? | |
502 | * @dip: Directory in which dinode is to be created | |
503 | * @name: Name of new dinode | |
504 | * @mode: | |
505 | * | |
506 | * Returns: errno | |
507 | */ | |
508 | ||
feaa7bba | 509 | static int create_ok(struct gfs2_inode *dip, const struct qstr *name, |
b3b94faa DT |
510 | unsigned int mode) |
511 | { | |
512 | int error; | |
513 | ||
b74c79e9 | 514 | error = gfs2_permission(&dip->i_inode, MAY_WRITE | MAY_EXEC, 0); |
b3b94faa DT |
515 | if (error) |
516 | return error; | |
517 | ||
518 | /* Don't create entries in an unlinked directory */ | |
4f56110a | 519 | if (!dip->i_inode.i_nlink) |
b3b94faa DT |
520 | return -EPERM; |
521 | ||
dbb7cae2 | 522 | error = gfs2_dir_check(&dip->i_inode, name, NULL); |
b3b94faa DT |
523 | switch (error) { |
524 | case -ENOENT: | |
525 | error = 0; | |
526 | break; | |
527 | case 0: | |
528 | return -EEXIST; | |
529 | default: | |
530 | return error; | |
531 | } | |
532 | ||
ad6203f2 | 533 | if (dip->i_entries == (u32)-1) |
b3b94faa | 534 | return -EFBIG; |
4f56110a | 535 | if (S_ISDIR(mode) && dip->i_inode.i_nlink == (u32)-1) |
b3b94faa DT |
536 | return -EMLINK; |
537 | ||
538 | return 0; | |
539 | } | |
540 | ||
541 | static void munge_mode_uid_gid(struct gfs2_inode *dip, unsigned int *mode, | |
542 | unsigned int *uid, unsigned int *gid) | |
543 | { | |
feaa7bba | 544 | if (GFS2_SB(&dip->i_inode)->sd_args.ar_suiddir && |
2933f925 | 545 | (dip->i_inode.i_mode & S_ISUID) && dip->i_inode.i_uid) { |
b3b94faa DT |
546 | if (S_ISDIR(*mode)) |
547 | *mode |= S_ISUID; | |
3de7be33 | 548 | else if (dip->i_inode.i_uid != current_fsuid()) |
b3b94faa | 549 | *mode &= ~07111; |
2933f925 | 550 | *uid = dip->i_inode.i_uid; |
b3b94faa | 551 | } else |
3de7be33 | 552 | *uid = current_fsuid(); |
b3b94faa | 553 | |
b60623c2 | 554 | if (dip->i_inode.i_mode & S_ISGID) { |
b3b94faa DT |
555 | if (S_ISDIR(*mode)) |
556 | *mode |= S_ISGID; | |
2933f925 | 557 | *gid = dip->i_inode.i_gid; |
b3b94faa | 558 | } else |
3de7be33 | 559 | *gid = current_fsgid(); |
b3b94faa DT |
560 | } |
561 | ||
dbb7cae2 | 562 | static int alloc_dinode(struct gfs2_inode *dip, u64 *no_addr, u64 *generation) |
b3b94faa | 563 | { |
feaa7bba | 564 | struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode); |
b3b94faa DT |
565 | int error; |
566 | ||
6dbd8224 SW |
567 | if (gfs2_alloc_get(dip) == NULL) |
568 | return -ENOMEM; | |
b3b94faa | 569 | |
6dbd8224 | 570 | dip->i_alloc->al_requested = RES_DINODE; |
b3b94faa DT |
571 | error = gfs2_inplace_reserve(dip); |
572 | if (error) | |
573 | goto out; | |
574 | ||
feaa7bba | 575 | error = gfs2_trans_begin(sdp, RES_RG_BIT + RES_STATFS, 0); |
b3b94faa DT |
576 | if (error) |
577 | goto out_ipreserv; | |
578 | ||
6050b9c7 | 579 | error = gfs2_alloc_di(dip, no_addr, generation); |
b3b94faa DT |
580 | |
581 | gfs2_trans_end(sdp); | |
582 | ||
4340fe62 | 583 | out_ipreserv: |
b3b94faa | 584 | gfs2_inplace_release(dip); |
4340fe62 | 585 | out: |
b3b94faa | 586 | gfs2_alloc_put(dip); |
b3b94faa DT |
587 | return error; |
588 | } | |
589 | ||
590 | /** | |
591 | * init_dinode - Fill in a new dinode structure | |
592 | * @dip: the directory this inode is being created in | |
593 | * @gl: The glock covering the new inode | |
594 | * @inum: the inode number | |
595 | * @mode: the file permissions | |
596 | * @uid: | |
597 | * @gid: | |
598 | * | |
599 | */ | |
600 | ||
601 | static void init_dinode(struct gfs2_inode *dip, struct gfs2_glock *gl, | |
629a21e7 | 602 | const struct gfs2_inum_host *inum, unsigned int mode, |
4340fe62 | 603 | unsigned int uid, unsigned int gid, |
e9bd2b3b | 604 | const u64 *generation, dev_t dev, struct buffer_head **bhp) |
b3b94faa | 605 | { |
feaa7bba | 606 | struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode); |
b96ca4fa | 607 | struct gfs2_dinode *di; |
b3b94faa | 608 | struct buffer_head *dibh; |
4bd91ba1 | 609 | struct timespec tv = CURRENT_TIME; |
b3b94faa DT |
610 | |
611 | dibh = gfs2_meta_new(gl, inum->no_addr); | |
d4e9c4c3 | 612 | gfs2_trans_add_bh(gl, dibh, 1); |
b3b94faa DT |
613 | gfs2_metatype_set(dibh, GFS2_METATYPE_DI, GFS2_FORMAT_DI); |
614 | gfs2_buffer_clear_tail(dibh, sizeof(struct gfs2_dinode)); | |
b96ca4fa SW |
615 | di = (struct gfs2_dinode *)dibh->b_data; |
616 | ||
2442a098 SW |
617 | di->di_num.no_formal_ino = cpu_to_be64(inum->no_formal_ino); |
618 | di->di_num.no_addr = cpu_to_be64(inum->no_addr); | |
b96ca4fa SW |
619 | di->di_mode = cpu_to_be32(mode); |
620 | di->di_uid = cpu_to_be32(uid); | |
621 | di->di_gid = cpu_to_be32(gid); | |
294caaa3 SW |
622 | di->di_nlink = 0; |
623 | di->di_size = 0; | |
b96ca4fa | 624 | di->di_blocks = cpu_to_be64(1); |
4bd91ba1 | 625 | di->di_atime = di->di_mtime = di->di_ctime = cpu_to_be64(tv.tv_sec); |
e7f14f4d SW |
626 | di->di_major = cpu_to_be32(MAJOR(dev)); |
627 | di->di_minor = cpu_to_be32(MINOR(dev)); | |
b96ca4fa | 628 | di->di_goal_meta = di->di_goal_data = cpu_to_be64(inum->no_addr); |
4340fe62 | 629 | di->di_generation = cpu_to_be64(*generation); |
294caaa3 | 630 | di->di_flags = 0; |
b3b94faa DT |
631 | |
632 | if (S_ISREG(mode)) { | |
383f01fb | 633 | if ((dip->i_diskflags & GFS2_DIF_INHERIT_JDATA) || |
b3b94faa | 634 | gfs2_tune_get(sdp, gt_new_files_jdata)) |
b96ca4fa | 635 | di->di_flags |= cpu_to_be32(GFS2_DIF_JDATA); |
b3b94faa | 636 | } else if (S_ISDIR(mode)) { |
383f01fb | 637 | di->di_flags |= cpu_to_be32(dip->i_diskflags & |
568f4c96 | 638 | GFS2_DIF_INHERIT_JDATA); |
b3b94faa DT |
639 | } |
640 | ||
b96ca4fa | 641 | di->__pad1 = 0; |
a9583c79 | 642 | di->di_payload_format = cpu_to_be32(S_ISDIR(mode) ? GFS2_FORMAT_DE : 0); |
294caaa3 | 643 | di->di_height = 0; |
b96ca4fa SW |
644 | di->__pad2 = 0; |
645 | di->__pad3 = 0; | |
294caaa3 SW |
646 | di->di_depth = 0; |
647 | di->di_entries = 0; | |
b96ca4fa | 648 | memset(&di->__pad4, 0, sizeof(di->__pad4)); |
294caaa3 | 649 | di->di_eattr = 0; |
4bd91ba1 SW |
650 | di->di_atime_nsec = cpu_to_be32(tv.tv_nsec); |
651 | di->di_mtime_nsec = cpu_to_be32(tv.tv_nsec); | |
652 | di->di_ctime_nsec = cpu_to_be32(tv.tv_nsec); | |
b96ca4fa | 653 | memset(&di->di_reserved, 0, sizeof(di->di_reserved)); |
e9bd2b3b WC |
654 | |
655 | set_buffer_uptodate(dibh); | |
b96ca4fa | 656 | |
e9bd2b3b | 657 | *bhp = dibh; |
b3b94faa DT |
658 | } |
659 | ||
660 | static int make_dinode(struct gfs2_inode *dip, struct gfs2_glock *gl, | |
629a21e7 | 661 | unsigned int mode, const struct gfs2_inum_host *inum, |
e9bd2b3b | 662 | const u64 *generation, dev_t dev, struct buffer_head **bhp) |
b3b94faa | 663 | { |
feaa7bba | 664 | struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode); |
b3b94faa DT |
665 | unsigned int uid, gid; |
666 | int error; | |
667 | ||
668 | munge_mode_uid_gid(dip, &mode, &uid, &gid); | |
182fe5ab CG |
669 | if (!gfs2_alloc_get(dip)) |
670 | return -ENOMEM; | |
b3b94faa DT |
671 | |
672 | error = gfs2_quota_lock(dip, uid, gid); | |
673 | if (error) | |
674 | goto out; | |
675 | ||
676 | error = gfs2_quota_check(dip, uid, gid); | |
677 | if (error) | |
678 | goto out_quota; | |
679 | ||
feaa7bba | 680 | error = gfs2_trans_begin(sdp, RES_DINODE + RES_QUOTA, 0); |
b3b94faa DT |
681 | if (error) |
682 | goto out_quota; | |
683 | ||
e9bd2b3b | 684 | init_dinode(dip, gl, inum, mode, uid, gid, generation, dev, bhp); |
b3b94faa | 685 | gfs2_quota_change(dip, +1, uid, gid); |
b3b94faa DT |
686 | gfs2_trans_end(sdp); |
687 | ||
feaa7bba | 688 | out_quota: |
b3b94faa | 689 | gfs2_quota_unlock(dip); |
feaa7bba | 690 | out: |
b3b94faa | 691 | gfs2_alloc_put(dip); |
b3b94faa DT |
692 | return error; |
693 | } | |
694 | ||
feaa7bba SW |
695 | static int link_dinode(struct gfs2_inode *dip, const struct qstr *name, |
696 | struct gfs2_inode *ip) | |
b3b94faa | 697 | { |
feaa7bba | 698 | struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode); |
b3b94faa DT |
699 | struct gfs2_alloc *al; |
700 | int alloc_required; | |
701 | struct buffer_head *dibh; | |
702 | int error; | |
703 | ||
704 | al = gfs2_alloc_get(dip); | |
182fe5ab CG |
705 | if (!al) |
706 | return -ENOMEM; | |
b3b94faa DT |
707 | |
708 | error = gfs2_quota_lock(dip, NO_QUOTA_CHANGE, NO_QUOTA_CHANGE); | |
709 | if (error) | |
710 | goto fail; | |
711 | ||
feaa7bba | 712 | error = alloc_required = gfs2_diradd_alloc_required(&dip->i_inode, name); |
c752666c | 713 | if (alloc_required < 0) |
1b8177ec | 714 | goto fail_quota_locks; |
b3b94faa | 715 | if (alloc_required) { |
2933f925 | 716 | error = gfs2_quota_check(dip, dip->i_inode.i_uid, dip->i_inode.i_gid); |
b3b94faa DT |
717 | if (error) |
718 | goto fail_quota_locks; | |
719 | ||
720 | al->al_requested = sdp->sd_max_dirres; | |
721 | ||
722 | error = gfs2_inplace_reserve(dip); | |
723 | if (error) | |
724 | goto fail_quota_locks; | |
725 | ||
320dd101 | 726 | error = gfs2_trans_begin(sdp, sdp->sd_max_dirres + |
bb8d8a6f | 727 | al->al_rgd->rd_length + |
907b9bce | 728 | 2 * RES_DINODE + |
b3b94faa DT |
729 | RES_STATFS + RES_QUOTA, 0); |
730 | if (error) | |
731 | goto fail_ipreserv; | |
732 | } else { | |
feaa7bba | 733 | error = gfs2_trans_begin(sdp, RES_LEAF + 2 * RES_DINODE, 0); |
b3b94faa DT |
734 | if (error) |
735 | goto fail_quota_locks; | |
736 | } | |
737 | ||
dbb7cae2 | 738 | error = gfs2_dir_add(&dip->i_inode, name, ip, IF2DT(ip->i_inode.i_mode)); |
b3b94faa DT |
739 | if (error) |
740 | goto fail_end_trans; | |
741 | ||
742 | error = gfs2_meta_inode_buffer(ip, &dibh); | |
743 | if (error) | |
744 | goto fail_end_trans; | |
4f56110a | 745 | ip->i_inode.i_nlink = 1; |
d4e9c4c3 | 746 | gfs2_trans_add_bh(ip->i_gl, dibh, 1); |
539e5d6b | 747 | gfs2_dinode_out(ip, dibh->b_data); |
b3b94faa | 748 | brelse(dibh); |
b3b94faa DT |
749 | return 0; |
750 | ||
320dd101 | 751 | fail_end_trans: |
b3b94faa DT |
752 | gfs2_trans_end(sdp); |
753 | ||
320dd101 | 754 | fail_ipreserv: |
6dbd8224 | 755 | if (dip->i_alloc->al_rgd) |
b3b94faa DT |
756 | gfs2_inplace_release(dip); |
757 | ||
320dd101 | 758 | fail_quota_locks: |
b3b94faa DT |
759 | gfs2_quota_unlock(dip); |
760 | ||
320dd101 | 761 | fail: |
b3b94faa | 762 | gfs2_alloc_put(dip); |
b3b94faa DT |
763 | return error; |
764 | } | |
765 | ||
2a7dba39 EP |
766 | static int gfs2_security_init(struct gfs2_inode *dip, struct gfs2_inode *ip, |
767 | const struct qstr *qstr) | |
fcb47e0b RH |
768 | { |
769 | int err; | |
770 | size_t len; | |
771 | void *value; | |
772 | char *name; | |
fcb47e0b | 773 | |
2a7dba39 | 774 | err = security_inode_init_security(&ip->i_inode, &dip->i_inode, qstr, |
fcb47e0b RH |
775 | &name, &value, &len); |
776 | ||
777 | if (err) { | |
778 | if (err == -EOPNOTSUPP) | |
779 | return 0; | |
780 | return err; | |
781 | } | |
782 | ||
431547b3 CH |
783 | err = __gfs2_xattr_set(&ip->i_inode, name, value, len, 0, |
784 | GFS2_EATYPE_SECURITY); | |
fcb47e0b RH |
785 | kfree(value); |
786 | kfree(name); | |
787 | ||
788 | return err; | |
789 | } | |
790 | ||
b3b94faa DT |
791 | /** |
792 | * gfs2_createi - Create a new inode | |
793 | * @ghs: An array of two holders | |
794 | * @name: The name of the new file | |
795 | * @mode: the permissions on the new inode | |
796 | * | |
797 | * @ghs[0] is an initialized holder for the directory | |
798 | * @ghs[1] is the holder for the inode lock | |
799 | * | |
7359a19c | 800 | * If the return value is not NULL, the glocks on both the directory and the new |
b3b94faa DT |
801 | * file are held. A transaction has been started and an inplace reservation |
802 | * is held, as well. | |
803 | * | |
7359a19c | 804 | * Returns: An inode |
b3b94faa DT |
805 | */ |
806 | ||
feaa7bba | 807 | struct inode *gfs2_createi(struct gfs2_holder *ghs, const struct qstr *name, |
e7f14f4d | 808 | unsigned int mode, dev_t dev) |
b3b94faa | 809 | { |
e1cc8603 | 810 | struct inode *inode = NULL; |
5c676f6d | 811 | struct gfs2_inode *dip = ghs->gh_gl->gl_object; |
feaa7bba SW |
812 | struct inode *dir = &dip->i_inode; |
813 | struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode); | |
dbb7cae2 | 814 | struct gfs2_inum_host inum = { .no_addr = 0, .no_formal_ino = 0 }; |
b3b94faa | 815 | int error; |
4340fe62 | 816 | u64 generation; |
f91a0d3e | 817 | struct buffer_head *bh = NULL; |
b3b94faa DT |
818 | |
819 | if (!name->len || name->len > GFS2_FNAMESIZE) | |
7359a19c | 820 | return ERR_PTR(-ENAMETOOLONG); |
b3b94faa | 821 | |
b3b94faa DT |
822 | gfs2_holder_reinit(LM_ST_EXCLUSIVE, 0, ghs); |
823 | error = gfs2_glock_nq(ghs); | |
824 | if (error) | |
825 | goto fail; | |
826 | ||
827 | error = create_ok(dip, name, mode); | |
828 | if (error) | |
829 | goto fail_gunlock; | |
830 | ||
dbb7cae2 | 831 | error = alloc_dinode(dip, &inum.no_addr, &generation); |
b3b94faa DT |
832 | if (error) |
833 | goto fail_gunlock; | |
8d8291ae | 834 | inum.no_formal_ino = generation; |
b3b94faa | 835 | |
28626e20 SW |
836 | error = gfs2_glock_nq_num(sdp, inum.no_addr, &gfs2_inode_glops, |
837 | LM_ST_EXCLUSIVE, GL_SKIP, ghs + 1); | |
838 | if (error) | |
839 | goto fail_gunlock; | |
b3b94faa | 840 | |
e9bd2b3b | 841 | error = make_dinode(dip, ghs[1].gh_gl, mode, &inum, &generation, dev, &bh); |
b3b94faa DT |
842 | if (error) |
843 | goto fail_gunlock2; | |
844 | ||
8d8291ae | 845 | inode = gfs2_inode_lookup(dir->i_sb, IF2DT(mode), inum.no_addr, |
1a0eae88 | 846 | inum.no_formal_ino); |
feaa7bba | 847 | if (IS_ERR(inode)) |
b3b94faa DT |
848 | goto fail_gunlock2; |
849 | ||
feaa7bba | 850 | error = gfs2_inode_refresh(GFS2_I(inode)); |
b3b94faa | 851 | if (error) |
e1cc8603 | 852 | goto fail_gunlock2; |
b3b94faa | 853 | |
479c427d | 854 | error = gfs2_acl_create(dip, inode); |
b3b94faa | 855 | if (error) |
e1cc8603 | 856 | goto fail_gunlock2; |
b3b94faa | 857 | |
2a7dba39 | 858 | error = gfs2_security_init(dip, GFS2_I(inode), name); |
fcb47e0b | 859 | if (error) |
e1cc8603 | 860 | goto fail_gunlock2; |
fcb47e0b | 861 | |
feaa7bba | 862 | error = link_dinode(dip, name, GFS2_I(inode)); |
b3b94faa | 863 | if (error) |
e1cc8603 | 864 | goto fail_gunlock2; |
b3b94faa | 865 | |
f91a0d3e SW |
866 | if (bh) |
867 | brelse(bh); | |
7359a19c | 868 | return inode; |
b3b94faa | 869 | |
320dd101 | 870 | fail_gunlock2: |
b3b94faa | 871 | gfs2_glock_dq_uninit(ghs + 1); |
bd1eb881 | 872 | if (inode && !IS_ERR(inode)) |
e1cc8603 | 873 | iput(inode); |
320dd101 | 874 | fail_gunlock: |
b3b94faa | 875 | gfs2_glock_dq(ghs); |
320dd101 | 876 | fail: |
f91a0d3e SW |
877 | if (bh) |
878 | brelse(bh); | |
7359a19c | 879 | return ERR_PTR(error); |
b3b94faa DT |
880 | } |
881 | ||
536baf02 | 882 | static int __gfs2_setattr_simple(struct gfs2_inode *ip, struct iattr *attr) |
b3b94faa | 883 | { |
1025774c | 884 | struct inode *inode = &ip->i_inode; |
b3b94faa DT |
885 | struct buffer_head *dibh; |
886 | int error; | |
887 | ||
888 | error = gfs2_meta_inode_buffer(ip, &dibh); | |
1025774c CH |
889 | if (error) |
890 | return error; | |
891 | ||
1025774c CH |
892 | setattr_copy(inode, attr); |
893 | mark_inode_dirty(inode); | |
1025774c CH |
894 | gfs2_trans_add_bh(ip->i_gl, dibh, 1); |
895 | gfs2_dinode_out(ip, dibh->b_data); | |
896 | brelse(dibh); | |
897 | return 0; | |
b3b94faa DT |
898 | } |
899 | ||
900 | /** | |
901 | * gfs2_setattr_simple - | |
902 | * @ip: | |
903 | * @attr: | |
904 | * | |
905 | * Called with a reference on the vnode. | |
906 | * | |
907 | * Returns: errno | |
908 | */ | |
909 | ||
910 | int gfs2_setattr_simple(struct gfs2_inode *ip, struct iattr *attr) | |
911 | { | |
912 | int error; | |
913 | ||
5c676f6d | 914 | if (current->journal_info) |
b3b94faa DT |
915 | return __gfs2_setattr_simple(ip, attr); |
916 | ||
feaa7bba | 917 | error = gfs2_trans_begin(GFS2_SB(&ip->i_inode), RES_DINODE, 0); |
b3b94faa DT |
918 | if (error) |
919 | return error; | |
920 | ||
921 | error = __gfs2_setattr_simple(ip, attr); | |
feaa7bba | 922 | gfs2_trans_end(GFS2_SB(&ip->i_inode)); |
b3b94faa DT |
923 | return error; |
924 | } | |
925 | ||
bb8d8a6f SW |
926 | void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf) |
927 | { | |
bb8d8a6f SW |
928 | struct gfs2_dinode *str = buf; |
929 | ||
930 | str->di_header.mh_magic = cpu_to_be32(GFS2_MAGIC); | |
931 | str->di_header.mh_type = cpu_to_be32(GFS2_METATYPE_DI); | |
bb8d8a6f | 932 | str->di_header.mh_format = cpu_to_be32(GFS2_FORMAT_DI); |
bb8d8a6f SW |
933 | str->di_num.no_addr = cpu_to_be64(ip->i_no_addr); |
934 | str->di_num.no_formal_ino = cpu_to_be64(ip->i_no_formal_ino); | |
935 | str->di_mode = cpu_to_be32(ip->i_inode.i_mode); | |
936 | str->di_uid = cpu_to_be32(ip->i_inode.i_uid); | |
937 | str->di_gid = cpu_to_be32(ip->i_inode.i_gid); | |
938 | str->di_nlink = cpu_to_be32(ip->i_inode.i_nlink); | |
a2e0f799 | 939 | str->di_size = cpu_to_be64(i_size_read(&ip->i_inode)); |
77658aad | 940 | str->di_blocks = cpu_to_be64(gfs2_get_inode_blocks(&ip->i_inode)); |
bb8d8a6f SW |
941 | str->di_atime = cpu_to_be64(ip->i_inode.i_atime.tv_sec); |
942 | str->di_mtime = cpu_to_be64(ip->i_inode.i_mtime.tv_sec); | |
943 | str->di_ctime = cpu_to_be64(ip->i_inode.i_ctime.tv_sec); | |
944 | ||
ce276b06 SW |
945 | str->di_goal_meta = cpu_to_be64(ip->i_goal); |
946 | str->di_goal_data = cpu_to_be64(ip->i_goal); | |
bcf0b5b3 | 947 | str->di_generation = cpu_to_be64(ip->i_generation); |
bb8d8a6f | 948 | |
383f01fb | 949 | str->di_flags = cpu_to_be32(ip->i_diskflags); |
ecc30c79 | 950 | str->di_height = cpu_to_be16(ip->i_height); |
bb8d8a6f | 951 | str->di_payload_format = cpu_to_be32(S_ISDIR(ip->i_inode.i_mode) && |
383f01fb | 952 | !(ip->i_diskflags & GFS2_DIF_EXHASH) ? |
bb8d8a6f | 953 | GFS2_FORMAT_DE : 0); |
9a004508 | 954 | str->di_depth = cpu_to_be16(ip->i_depth); |
ad6203f2 | 955 | str->di_entries = cpu_to_be32(ip->i_entries); |
bb8d8a6f | 956 | |
3767ac21 | 957 | str->di_eattr = cpu_to_be64(ip->i_eattr); |
4bd91ba1 SW |
958 | str->di_atime_nsec = cpu_to_be32(ip->i_inode.i_atime.tv_nsec); |
959 | str->di_mtime_nsec = cpu_to_be32(ip->i_inode.i_mtime.tv_nsec); | |
960 | str->di_ctime_nsec = cpu_to_be32(ip->i_inode.i_ctime.tv_nsec); | |
bb8d8a6f SW |
961 | } |
962 | ||
963 | void gfs2_dinode_print(const struct gfs2_inode *ip) | |
964 | { | |
bb8d8a6f SW |
965 | printk(KERN_INFO " no_formal_ino = %llu\n", |
966 | (unsigned long long)ip->i_no_formal_ino); | |
967 | printk(KERN_INFO " no_addr = %llu\n", | |
968 | (unsigned long long)ip->i_no_addr); | |
a2e0f799 SW |
969 | printk(KERN_INFO " i_size = %llu\n", |
970 | (unsigned long long)i_size_read(&ip->i_inode)); | |
77658aad SW |
971 | printk(KERN_INFO " blocks = %llu\n", |
972 | (unsigned long long)gfs2_get_inode_blocks(&ip->i_inode)); | |
ce276b06 SW |
973 | printk(KERN_INFO " i_goal = %llu\n", |
974 | (unsigned long long)ip->i_goal); | |
383f01fb | 975 | printk(KERN_INFO " i_diskflags = 0x%.8X\n", ip->i_diskflags); |
ca390601 | 976 | printk(KERN_INFO " i_height = %u\n", ip->i_height); |
9a004508 | 977 | printk(KERN_INFO " i_depth = %u\n", ip->i_depth); |
ad6203f2 | 978 | printk(KERN_INFO " i_entries = %u\n", ip->i_entries); |
3767ac21 SW |
979 | printk(KERN_INFO " i_eattr = %llu\n", |
980 | (unsigned long long)ip->i_eattr); | |
bb8d8a6f SW |
981 | } |
982 |