1 /*-
2 * modified for Lites 1.1
3 *
4 * Aug 1995, Godmar Back (gback@cs.utah.edu)
5 * University of Utah, Department of Computer Science
6 */
7 /*-
8 * SPDX-License-Identifier: BSD-3-Clause
9 *
10 * Copyright (c) 1982, 1986, 1989, 1993
11 * The Regents of the University of California. All rights reserved.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
21 * 3. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 * @(#)ffs_inode.c 8.5 (Berkeley) 12/30/93
38 * $FreeBSD: releng/12.0/sys/fs/ext2fs/ext2_inode.c 333584 2018-05-13 19:19:10Z fsu $
39 */
40
41 #include <sys/param.h>
42 #include <sys/systm.h>
43 #include <sys/mount.h>
44 #include <sys/bio.h>
45 #include <sys/buf.h>
46 #include <sys/vnode.h>
47 #include <sys/malloc.h>
48 #include <sys/rwlock.h>
49
50 #include <vm/vm.h>
51 #include <vm/vm_extern.h>
52
53 #include <fs/ext2fs/fs.h>
54 #include <fs/ext2fs/inode.h>
55 #include <fs/ext2fs/ext2_mount.h>
56 #include <fs/ext2fs/ext2fs.h>
57 #include <fs/ext2fs/fs.h>
58 #include <fs/ext2fs/ext2_extern.h>
59 #include <fs/ext2fs/ext2_extattr.h>
60
61 /*
62 * Update the access, modified, and inode change times as specified by the
63 * IN_ACCESS, IN_UPDATE, and IN_CHANGE flags respectively. Write the inode
64 * to disk if the IN_MODIFIED flag is set (it may be set initially, or by
65 * the timestamp update). The IN_LAZYMOD flag is set to force a write
66 * later if not now. If we write now, then clear both IN_MODIFIED and
67 * IN_LAZYMOD to reflect the presumably successful write, and if waitfor is
68 * set, then wait for the write to complete.
69 */
70 int
71 ext2_update(struct vnode *vp, int waitfor)
72 {
73 struct m_ext2fs *fs;
74 struct buf *bp;
75 struct inode *ip;
76 int error;
77
78 ASSERT_VOP_ELOCKED(vp, "ext2_update");
79 ext2_itimes(vp);
80 ip = VTOI(vp);
81 if ((ip->i_flag & IN_MODIFIED) == 0 && waitfor == 0)
82 return (0);
83 ip->i_flag &= ~(IN_LAZYACCESS | IN_LAZYMOD | IN_MODIFIED);
84 fs = ip->i_e2fs;
85 if (fs->e2fs_ronly)
86 return (0);
87 if ((error = bread(ip->i_devvp,
88 fsbtodb(fs, ino_to_fsba(fs, ip->i_number)),
89 (int)fs->e2fs_bsize, NOCRED, &bp)) != 0) {
90 brelse(bp);
91 return (error);
92 }
93 error = ext2_i2ei(ip, (struct ext2fs_dinode *)((char *)bp->b_data +
94 EXT2_INODE_SIZE(fs) * ino_to_fsbo(fs, ip->i_number)));
95 if (error) {
96 brelse(bp);
97 return (error);
98 }
99 if (waitfor && !DOINGASYNC(vp))
100 return (bwrite(bp));
101 else {
102 bdwrite(bp);
103 return (0);
104 }
105 }
106
107 #define SINGLE 0 /* index of single indirect block */
108 #define DOUBLE 1 /* index of double indirect block */
109 #define TRIPLE 2 /* index of triple indirect block */
110
111 /*
112 * Release blocks associated with the inode ip and stored in the indirect
113 * block bn. Blocks are free'd in LIFO order up to (but not including)
114 * lastbn. If level is greater than SINGLE, the block is an indirect block
115 * and recursive calls to indirtrunc must be used to cleanse other indirect
116 * blocks.
117 *
118 * NB: triple indirect blocks are untested.
119 */
120 static int
121 ext2_indirtrunc(struct inode *ip, daddr_t lbn, daddr_t dbn,
122 daddr_t lastbn, int level, e4fs_daddr_t *countp)
123 {
124 struct buf *bp;
125 struct m_ext2fs *fs = ip->i_e2fs;
126 struct vnode *vp;
127 e2fs_daddr_t *bap, *copy;
128 int i, nblocks, error = 0, allerror = 0;
129 e2fs_lbn_t nb, nlbn, last;
130 e4fs_daddr_t blkcount, factor, blocksreleased = 0;
131
132 /*
133 * Calculate index in current block of last
134 * block to be kept. -1 indicates the entire
135 * block so we need not calculate the index.
136 */
137 factor = 1;
138 for (i = SINGLE; i < level; i++)
139 factor *= NINDIR(fs);
140 last = lastbn;
141 if (lastbn > 0)
142 last /= factor;
143 nblocks = btodb(fs->e2fs_bsize);
144 /*
145 * Get buffer of block pointers, zero those entries corresponding
146 * to blocks to be free'd, and update on disk copy first. Since
147 * double(triple) indirect before single(double) indirect, calls
148 * to bmap on these blocks will fail. However, we already have
149 * the on disk address, so we have to set the b_blkno field
150 * explicitly instead of letting bread do everything for us.
151 */
152 vp = ITOV(ip);
153 bp = getblk(vp, lbn, (int)fs->e2fs_bsize, 0, 0, 0);
154 if ((bp->b_flags & (B_DONE | B_DELWRI)) == 0) {
155 bp->b_iocmd = BIO_READ;
156 if (bp->b_bcount > bp->b_bufsize)
157 panic("ext2_indirtrunc: bad buffer size");
158 bp->b_blkno = dbn;
159 vfs_busy_pages(bp, 0);
160 bp->b_iooffset = dbtob(bp->b_blkno);
161 bstrategy(bp);
162 error = bufwait(bp);
163 }
164 if (error) {
165 brelse(bp);
166 *countp = 0;
167 return (error);
168 }
169 bap = (e2fs_daddr_t *)bp->b_data;
170 copy = malloc(fs->e2fs_bsize, M_TEMP, M_WAITOK);
171 bcopy((caddr_t)bap, (caddr_t)copy, (u_int)fs->e2fs_bsize);
172 bzero((caddr_t)&bap[last + 1],
173 (NINDIR(fs) - (last + 1)) * sizeof(e2fs_daddr_t));
174 if (last == -1)
175 bp->b_flags |= B_INVAL;
176 if (DOINGASYNC(vp)) {
177 bdwrite(bp);
178 } else {
179 error = bwrite(bp);
180 if (error)
181 allerror = error;
182 }
183 bap = copy;
184
185 /*
186 * Recursively free totally unused blocks.
187 */
188 for (i = NINDIR(fs) - 1, nlbn = lbn + 1 - i * factor; i > last;
189 i--, nlbn += factor) {
190 nb = bap[i];
191 if (nb == 0)
192 continue;
193 if (level > SINGLE) {
194 if ((error = ext2_indirtrunc(ip, nlbn,
195 fsbtodb(fs, nb), (int32_t)-1, level - 1, &blkcount)) != 0)
196 allerror = error;
197 blocksreleased += blkcount;
198 }
199 ext2_blkfree(ip, nb, fs->e2fs_bsize);
200 blocksreleased += nblocks;
201 }
202
203 /*
204 * Recursively free last partial block.
205 */
206 if (level > SINGLE && lastbn >= 0) {
207 last = lastbn % factor;
208 nb = bap[i];
209 if (nb != 0) {
210 if ((error = ext2_indirtrunc(ip, nlbn, fsbtodb(fs, nb),
211 last, level - 1, &blkcount)) != 0)
212 allerror = error;
213 blocksreleased += blkcount;
214 }
215 }
216 free(copy, M_TEMP);
217 *countp = blocksreleased;
218 return (allerror);
219 }
220
221 /*
222 * Truncate the inode oip to at most length size, freeing the
223 * disk blocks.
224 */
225 static int
226 ext2_ind_truncate(struct vnode *vp, off_t length, int flags, struct ucred *cred,
227 struct thread *td)
228 {
229 struct vnode *ovp = vp;
230 e4fs_daddr_t lastblock;
231 struct inode *oip;
232 e4fs_daddr_t bn, lbn, lastiblock[EXT2_NIADDR], indir_lbn[EXT2_NIADDR];
233 uint32_t oldblks[EXT2_NDADDR + EXT2_NIADDR];
234 uint32_t newblks[EXT2_NDADDR + EXT2_NIADDR];
235 struct m_ext2fs *fs;
236 struct buf *bp;
237 int offset, size, level;
238 e4fs_daddr_t count, nblocks, blocksreleased = 0;
239 int error, i, allerror;
240 off_t osize;
241 #ifdef INVARIANTS
242 struct bufobj *bo;
243 #endif
244
245 oip = VTOI(ovp);
246 #ifdef INVARIANTS
247 bo = &ovp->v_bufobj;
248 #endif
249
250 fs = oip->i_e2fs;
251 osize = oip->i_size;
252 /*
253 * Lengthen the size of the file. We must ensure that the
254 * last byte of the file is allocated. Since the smallest
255 * value of osize is 0, length will be at least 1.
256 */
257 if (osize < length) {
258 if (length > oip->i_e2fs->e2fs_maxfilesize)
259 return (EFBIG);
260 vnode_pager_setsize(ovp, length);
261 offset = blkoff(fs, length - 1);
262 lbn = lblkno(fs, length - 1);
263 flags |= BA_CLRBUF;
264 error = ext2_balloc(oip, lbn, offset + 1, cred, &bp, flags);
265 if (error) {
266 vnode_pager_setsize(vp, osize);
267 return (error);
268 }
269 oip->i_size = length;
270 if (bp->b_bufsize == fs->e2fs_bsize)
271 bp->b_flags |= B_CLUSTEROK;
272 if (flags & IO_SYNC)
273 bwrite(bp);
274 else if (DOINGASYNC(ovp))
275 bdwrite(bp);
276 else
277 bawrite(bp);
278 oip->i_flag |= IN_CHANGE | IN_UPDATE;
279 return (ext2_update(ovp, !DOINGASYNC(ovp)));
280 }
281 /*
282 * Shorten the size of the file. If the file is not being
283 * truncated to a block boundary, the contents of the
284 * partial block following the end of the file must be
285 * zero'ed in case it ever become accessible again because
286 * of subsequent file growth.
287 */
288 /* I don't understand the comment above */
289 offset = blkoff(fs, length);
290 if (offset == 0) {
291 oip->i_size = length;
292 } else {
293 lbn = lblkno(fs, length);
294 flags |= BA_CLRBUF;
295 error = ext2_balloc(oip, lbn, offset, cred, &bp, flags);
296 if (error)
297 return (error);
298 oip->i_size = length;
299 size = blksize(fs, oip, lbn);
300 bzero((char *)bp->b_data + offset, (u_int)(size - offset));
301 allocbuf(bp, size);
302 if (bp->b_bufsize == fs->e2fs_bsize)
303 bp->b_flags |= B_CLUSTEROK;
304 if (flags & IO_SYNC)
305 bwrite(bp);
306 else if (DOINGASYNC(ovp))
307 bdwrite(bp);
308 else
309 bawrite(bp);
310 }
311 /*
312 * Calculate index into inode's block list of
313 * last direct and indirect blocks (if any)
314 * which we want to keep. Lastblock is -1 when
315 * the file is truncated to 0.
316 */
317 lastblock = lblkno(fs, length + fs->e2fs_bsize - 1) - 1;
318 lastiblock[SINGLE] = lastblock - EXT2_NDADDR;
319 lastiblock[DOUBLE] = lastiblock[SINGLE] - NINDIR(fs);
320 lastiblock[TRIPLE] = lastiblock[DOUBLE] - NINDIR(fs) * NINDIR(fs);
321 nblocks = btodb(fs->e2fs_bsize);
322 /*
323 * Update file and block pointers on disk before we start freeing
324 * blocks. If we crash before free'ing blocks below, the blocks
325 * will be returned to the free list. lastiblock values are also
326 * normalized to -1 for calls to ext2_indirtrunc below.
327 */
328 for (level = TRIPLE; level >= SINGLE; level--) {
329 oldblks[EXT2_NDADDR + level] = oip->i_ib[level];
330 if (lastiblock[level] < 0) {
331 oip->i_ib[level] = 0;
332 lastiblock[level] = -1;
333 }
334 }
335 for (i = 0; i < EXT2_NDADDR; i++) {
336 oldblks[i] = oip->i_db[i];
337 if (i > lastblock)
338 oip->i_db[i] = 0;
339 }
340 oip->i_flag |= IN_CHANGE | IN_UPDATE;
341 allerror = ext2_update(ovp, !DOINGASYNC(ovp));
342
343 /*
344 * Having written the new inode to disk, save its new configuration
345 * and put back the old block pointers long enough to process them.
346 * Note that we save the new block configuration so we can check it
347 * when we are done.
348 */
349 for (i = 0; i < EXT2_NDADDR; i++) {
350 newblks[i] = oip->i_db[i];
351 oip->i_db[i] = oldblks[i];
352 }
353 for (i = 0; i < EXT2_NIADDR; i++) {
354 newblks[EXT2_NDADDR + i] = oip->i_ib[i];
355 oip->i_ib[i] = oldblks[EXT2_NDADDR + i];
356 }
357 oip->i_size = osize;
358 error = vtruncbuf(ovp, cred, length, (int)fs->e2fs_bsize);
359 if (error && (allerror == 0))
360 allerror = error;
361 vnode_pager_setsize(ovp, length);
362
363 /*
364 * Indirect blocks first.
365 */
366 indir_lbn[SINGLE] = -EXT2_NDADDR;
367 indir_lbn[DOUBLE] = indir_lbn[SINGLE] - NINDIR(fs) - 1;
368 indir_lbn[TRIPLE] = indir_lbn[DOUBLE] - NINDIR(fs) * NINDIR(fs) - 1;
369 for (level = TRIPLE; level >= SINGLE; level--) {
370 bn = oip->i_ib[level];
371 if (bn != 0) {
372 error = ext2_indirtrunc(oip, indir_lbn[level],
373 fsbtodb(fs, bn), lastiblock[level], level, &count);
374 if (error)
375 allerror = error;
376 blocksreleased += count;
377 if (lastiblock[level] < 0) {
378 oip->i_ib[level] = 0;
379 ext2_blkfree(oip, bn, fs->e2fs_fsize);
380 blocksreleased += nblocks;
381 }
382 }
383 if (lastiblock[level] >= 0)
384 goto done;
385 }
386
387 /*
388 * All whole direct blocks or frags.
389 */
390 for (i = EXT2_NDADDR - 1; i > lastblock; i--) {
391 long bsize;
392
393 bn = oip->i_db[i];
394 if (bn == 0)
395 continue;
396 oip->i_db[i] = 0;
397 bsize = blksize(fs, oip, i);
398 ext2_blkfree(oip, bn, bsize);
399 blocksreleased += btodb(bsize);
400 }
401 if (lastblock < 0)
402 goto done;
403
404 /*
405 * Finally, look for a change in size of the
406 * last direct block; release any frags.
407 */
408 bn = oip->i_db[lastblock];
409 if (bn != 0) {
410 long oldspace, newspace;
411
412 /*
413 * Calculate amount of space we're giving
414 * back as old block size minus new block size.
415 */
416 oldspace = blksize(fs, oip, lastblock);
417 oip->i_size = length;
418 newspace = blksize(fs, oip, lastblock);
419 if (newspace == 0)
420 panic("ext2_truncate: newspace");
421 if (oldspace - newspace > 0) {
422 /*
423 * Block number of space to be free'd is
424 * the old block # plus the number of frags
425 * required for the storage we're keeping.
426 */
427 bn += numfrags(fs, newspace);
428 ext2_blkfree(oip, bn, oldspace - newspace);
429 blocksreleased += btodb(oldspace - newspace);
430 }
431 }
432 done:
433 #ifdef INVARIANTS
434 for (level = SINGLE; level <= TRIPLE; level++)
435 if (newblks[EXT2_NDADDR + level] != oip->i_ib[level])
436 panic("itrunc1");
437 for (i = 0; i < EXT2_NDADDR; i++)
438 if (newblks[i] != oip->i_db[i])
439 panic("itrunc2");
440 BO_LOCK(bo);
441 if (length == 0 && (bo->bo_dirty.bv_cnt != 0 ||
442 bo->bo_clean.bv_cnt != 0))
443 panic("itrunc3");
444 BO_UNLOCK(bo);
445 #endif /* INVARIANTS */
446 /*
447 * Put back the real size.
448 */
449 oip->i_size = length;
450 if (oip->i_blocks >= blocksreleased)
451 oip->i_blocks -= blocksreleased;
452 else /* sanity */
453 oip->i_blocks = 0;
454 oip->i_flag |= IN_CHANGE;
455 vnode_pager_setsize(ovp, length);
456 return (allerror);
457 }
458
459 static int
460 ext2_ext_truncate(struct vnode *vp, off_t length, int flags,
461 struct ucred *cred, struct thread *td)
462 {
463 struct vnode *ovp = vp;
464 int32_t lastblock;
465 struct m_ext2fs *fs;
466 struct inode *oip;
467 struct buf *bp;
468 uint32_t lbn, offset;
469 int error, size;
470 off_t osize;
471
472 oip = VTOI(ovp);
473 fs = oip->i_e2fs;
474 osize = oip->i_size;
475
476 if (osize < length) {
477 if (length > oip->i_e2fs->e2fs_maxfilesize) {
478 return (EFBIG);
479 }
480 vnode_pager_setsize(ovp, length);
481 offset = blkoff(fs, length - 1);
482 lbn = lblkno(fs, length - 1);
483 flags |= BA_CLRBUF;
484 error = ext2_balloc(oip, lbn, offset + 1, cred, &bp, flags);
485 if (error) {
486 vnode_pager_setsize(vp, osize);
487 return (error);
488 }
489 oip->i_size = length;
490 if (bp->b_bufsize == fs->e2fs_bsize)
491 bp->b_flags |= B_CLUSTEROK;
492 if (flags & IO_SYNC)
493 bwrite(bp);
494 else if (DOINGASYNC(ovp))
495 bdwrite(bp);
496 else
497 bawrite(bp);
498 oip->i_flag |= IN_CHANGE | IN_UPDATE;
499 return (ext2_update(ovp, !DOINGASYNC(ovp)));
500 }
501
502 lastblock = (length + fs->e2fs_bsize - 1) / fs->e2fs_bsize;
503 error = ext4_ext_remove_space(oip, lastblock, flags, cred, td);
504 if (error)
505 return (error);
506
507 offset = blkoff(fs, length);
508 if (offset == 0) {
509 oip->i_size = length;
510 } else {
511 lbn = lblkno(fs, length);
512 flags |= BA_CLRBUF;
513 error = ext2_balloc(oip, lbn, offset, cred, &bp, flags);
514 if (error) {
515 return (error);
516 }
517 oip->i_size = length;
518 size = blksize(fs, oip, lbn);
519 bzero((char *)bp->b_data + offset, (u_int)(size - offset));
520 allocbuf(bp, size);
521 if (bp->b_bufsize == fs->e2fs_bsize)
522 bp->b_flags |= B_CLUSTEROK;
523 if (flags & IO_SYNC)
524 bwrite(bp);
525 else if (DOINGASYNC(ovp))
526 bdwrite(bp);
527 else
528 bawrite(bp);
529 }
530
531 oip->i_size = osize;
532 error = vtruncbuf(ovp, cred, length, (int)fs->e2fs_bsize);
533 if (error)
534 return (error);
535
536 vnode_pager_setsize(ovp, length);
537
538 oip->i_size = length;
539 oip->i_flag |= IN_CHANGE | IN_UPDATE;
540 error = ext2_update(ovp, !DOINGASYNC(ovp));
541
542 return (error);
543 }
544
545 /*
546 * Truncate the inode ip to at most length size, freeing the
547 * disk blocks.
548 */
549 int
550 ext2_truncate(struct vnode *vp, off_t length, int flags, struct ucred *cred,
551 struct thread *td)
552 {
553 struct inode *ip;
554 int error;
555
556 ASSERT_VOP_LOCKED(vp, "ext2_truncate");
557
558 if (length < 0)
559 return (EINVAL);
560
561 ip = VTOI(vp);
562 if (vp->v_type == VLNK &&
563 ip->i_size < vp->v_mount->mnt_maxsymlinklen) {
564 #ifdef INVARIANTS
565 if (length != 0)
566 panic("ext2_truncate: partial truncate of symlink");
567 #endif
568 bzero((char *)&ip->i_shortlink, (u_int)ip->i_size);
569 ip->i_size = 0;
570 ip->i_flag |= IN_CHANGE | IN_UPDATE;
571 return (ext2_update(vp, 1));
572 }
573 if (ip->i_size == length) {
574 ip->i_flag |= IN_CHANGE | IN_UPDATE;
575 return (ext2_update(vp, 0));
576 }
577
578 if (ip->i_flag & IN_E4EXTENTS)
579 error = ext2_ext_truncate(vp, length, flags, cred, td);
580 else
581 error = ext2_ind_truncate(vp, length, flags, cred, td);
582
583 return (error);
584 }
585
586 /*
587 * discard preallocated blocks
588 */
589 int
590 ext2_inactive(struct vop_inactive_args *ap)
591 {
592 struct vnode *vp = ap->a_vp;
593 struct inode *ip = VTOI(vp);
594 struct thread *td = ap->a_td;
595 int mode, error = 0;
596
597 /*
598 * Ignore inodes related to stale file handles.
599 */
600 if (ip->i_mode == 0)
601 goto out;
602 if (ip->i_nlink <= 0) {
603 ext2_extattr_free(ip);
604 error = ext2_truncate(vp, (off_t)0, 0, NOCRED, td);
605 if (!(ip->i_flag & IN_E4EXTENTS))
606 ip->i_rdev = 0;
607 mode = ip->i_mode;
608 ip->i_mode = 0;
609 ip->i_flag |= IN_CHANGE | IN_UPDATE;
610 ext2_vfree(vp, ip->i_number, mode);
611 }
612 if (ip->i_flag & (IN_ACCESS | IN_CHANGE | IN_MODIFIED | IN_UPDATE))
613 ext2_update(vp, 0);
614 out:
615 /*
616 * If we are done with the inode, reclaim it
617 * so that it can be reused immediately.
618 */
619 if (ip->i_mode == 0)
620 vrecycle(vp);
621 return (error);
622 }
623
624 /*
625 * Reclaim an inode so that it can be used for other purposes.
626 */
627 int
628 ext2_reclaim(struct vop_reclaim_args *ap)
629 {
630 struct inode *ip;
631 struct vnode *vp = ap->a_vp;
632
633 ip = VTOI(vp);
634 if (ip->i_flag & IN_LAZYMOD) {
635 ip->i_flag |= IN_MODIFIED;
636 ext2_update(vp, 0);
637 }
638 vfs_hash_remove(vp);
639 free(vp->v_data, M_EXT2NODE);
640 vp->v_data = 0;
641 vnode_destroy_vobject(vp);
642 return (0);
643 }
Cache object: ec4c22c20ff8d212516595b6a506c3dd
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