blob: 37557182412d77b206bf2d2223879fe29659fad7 [file] [log] [blame]
bigbiff7ba75002020-04-11 20:47:09 -04001/*
2 * Copyright (C) 2016 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include "EncryptInplace.h"
18
19#include <ext4_utils/ext4.h>
20#include <ext4_utils/ext4_utils.h>
21#include <f2fs_sparseblock.h>
22#include <fcntl.h>
23#include <inttypes.h>
24#include <stdint.h>
25#include <stdio.h>
26#include <sys/stat.h>
27#include <sys/types.h>
28#include <time.h>
29
30#include <algorithm>
31
32#include <android-base/logging.h>
33#include <android-base/properties.h>
34
35// HORRIBLE HACK, FIXME
36#include "cryptfs.h"
37
38// FIXME horrible cut-and-paste code
39static inline int unix_read(int fd, void* buff, int len) {
40 return TEMP_FAILURE_RETRY(read(fd, buff, len));
41}
42
43static inline int unix_write(int fd, const void* buff, int len) {
44 return TEMP_FAILURE_RETRY(write(fd, buff, len));
45}
46
47#define CRYPT_SECTORS_PER_BUFSIZE (CRYPT_INPLACE_BUFSIZE / CRYPT_SECTOR_SIZE)
48
49/* aligned 32K writes tends to make flash happy.
50 * SD card association recommends it.
51 */
52#ifndef CONFIG_HW_DISK_ENCRYPTION
53#define BLOCKS_AT_A_TIME 8
54#else
55#define BLOCKS_AT_A_TIME 1024
56#endif
57
58struct encryptGroupsData {
59 int realfd;
60 int cryptofd;
61 off64_t numblocks;
62 off64_t one_pct, cur_pct, new_pct;
63 off64_t blocks_already_done, tot_numblocks;
64 off64_t used_blocks_already_done, tot_used_blocks;
65 const char* real_blkdev;
66 const char* crypto_blkdev;
67 int count;
68 off64_t offset;
69 char* buffer;
70 off64_t last_written_sector;
71 int completed;
72 time_t time_started;
73 int remaining_time;
74 bool set_progress_properties;
75};
76
77static void update_progress(struct encryptGroupsData* data, int is_used) {
78 data->blocks_already_done++;
79
80 if (is_used) {
81 data->used_blocks_already_done++;
82 }
83 if (data->tot_used_blocks) {
84 data->new_pct = data->used_blocks_already_done / data->one_pct;
85 } else {
86 data->new_pct = data->blocks_already_done / data->one_pct;
87 }
88
89 if (!data->set_progress_properties) return;
90
91 if (data->new_pct > data->cur_pct) {
92 char buf[8];
93 data->cur_pct = data->new_pct;
94 snprintf(buf, sizeof(buf), "%" PRId64, data->cur_pct);
95 android::base::SetProperty("vold.encrypt_progress", buf);
96 }
97
98 if (data->cur_pct >= 5) {
99 struct timespec time_now;
100 if (clock_gettime(CLOCK_MONOTONIC, &time_now)) {
101 LOG(WARNING) << "Error getting time";
102 } else {
103 double elapsed_time = difftime(time_now.tv_sec, data->time_started);
104 off64_t remaining_blocks = data->tot_used_blocks - data->used_blocks_already_done;
105 int remaining_time =
106 (int)(elapsed_time * remaining_blocks / data->used_blocks_already_done);
107
108 // Change time only if not yet set, lower, or a lot higher for
109 // best user experience
110 if (data->remaining_time == -1 || remaining_time < data->remaining_time ||
111 remaining_time > data->remaining_time + 60) {
112 char buf[8];
113 snprintf(buf, sizeof(buf), "%d", remaining_time);
114 android::base::SetProperty("vold.encrypt_time_remaining", buf);
115 data->remaining_time = remaining_time;
116 }
117 }
118 }
119}
120
121static void log_progress(struct encryptGroupsData const* data, bool completed) {
122 // Precondition - if completed data = 0 else data != 0
123
124 // Track progress so we can skip logging blocks
125 static off64_t offset = -1;
126
127 // Need to close existing 'Encrypting from' log?
128 if (completed || (offset != -1 && data->offset != offset)) {
129 LOG(INFO) << "Encrypted to sector " << offset / info.block_size * CRYPT_SECTOR_SIZE;
130 offset = -1;
131 }
132
133 // Need to start new 'Encrypting from' log?
134 if (!completed && offset != data->offset) {
135 LOG(INFO) << "Encrypting from sector " << data->offset / info.block_size * CRYPT_SECTOR_SIZE;
136 }
137
138 // Update offset
139 if (!completed) {
140 offset = data->offset + (off64_t)data->count * info.block_size;
141 }
142}
143
144static int flush_outstanding_data(struct encryptGroupsData* data) {
145 if (data->count == 0) {
146 return 0;
147 }
148
149 LOG(DEBUG) << "Copying " << data->count << " blocks at offset " << data->offset;
150
151 if (pread64(data->realfd, data->buffer, info.block_size * data->count, data->offset) <= 0) {
152 LOG(ERROR) << "Error reading real_blkdev " << data->real_blkdev << " for inplace encrypt";
153 return -1;
154 }
155
156 if (pwrite64(data->cryptofd, data->buffer, info.block_size * data->count, data->offset) <= 0) {
157 LOG(ERROR) << "Error writing crypto_blkdev " << data->crypto_blkdev
158 << " for inplace encrypt";
159 return -1;
160 } else {
161 log_progress(data, false);
162 }
163
164 data->count = 0;
165 data->last_written_sector =
166 (data->offset + data->count) / info.block_size * CRYPT_SECTOR_SIZE - 1;
167 return 0;
168}
169
170static int encrypt_groups(struct encryptGroupsData* data) {
171 unsigned int i;
172 u8* block_bitmap = 0;
173 unsigned int block;
174 off64_t ret;
175 int rc = -1;
176
177 data->buffer = (char*)malloc(info.block_size * BLOCKS_AT_A_TIME);
178 if (!data->buffer) {
179 LOG(ERROR) << "Failed to allocate crypto buffer";
180 goto errout;
181 }
182
183 block_bitmap = (u8*)malloc(info.block_size);
184 if (!block_bitmap) {
185 LOG(ERROR) << "failed to allocate block bitmap";
186 goto errout;
187 }
188
189 for (i = 0; i < aux_info.groups; ++i) {
190 LOG(INFO) << "Encrypting group " << i;
191
192 u32 first_block = aux_info.first_data_block + i * info.blocks_per_group;
193 u32 block_count = std::min(info.blocks_per_group, (u32)(aux_info.len_blocks - first_block));
194
195 off64_t offset = (u64)info.block_size * aux_info.bg_desc[i].bg_block_bitmap;
196
197 ret = pread64(data->realfd, block_bitmap, info.block_size, offset);
198 if (ret != (int)info.block_size) {
199 LOG(ERROR) << "failed to read all of block group bitmap " << i;
200 goto errout;
201 }
202
203 offset = (u64)info.block_size * first_block;
204
205 data->count = 0;
206
207 for (block = 0; block < block_count; block++) {
208 int used = (aux_info.bg_desc[i].bg_flags & EXT4_BG_BLOCK_UNINIT)
209 ? 0
210 : bitmap_get_bit(block_bitmap, block);
211 update_progress(data, used);
212 if (used) {
213 if (data->count == 0) {
214 data->offset = offset;
215 }
216 data->count++;
217 } else {
218 if (flush_outstanding_data(data)) {
219 goto errout;
220 }
221 }
222
223 offset += info.block_size;
224
225 /* Write data if we are aligned or buffer size reached */
226 if (offset % (info.block_size * BLOCKS_AT_A_TIME) == 0 ||
227 data->count == BLOCKS_AT_A_TIME) {
228 if (flush_outstanding_data(data)) {
229 goto errout;
230 }
231 }
232 }
233 if (flush_outstanding_data(data)) {
234 goto errout;
235 }
236 }
237
238 data->completed = 1;
239 rc = 0;
240
241errout:
242 log_progress(0, true);
243 free(data->buffer);
244 free(block_bitmap);
245 return rc;
246}
247
248static int cryptfs_enable_inplace_ext4(const char* crypto_blkdev, const char* real_blkdev,
249 off64_t size, off64_t* size_already_done, off64_t tot_size,
250 off64_t previously_encrypted_upto,
251 bool set_progress_properties) {
252 u32 i;
253 struct encryptGroupsData data;
254 int rc; // Can't initialize without causing warning -Wclobbered
255 int retries = RETRY_MOUNT_ATTEMPTS;
256 struct timespec time_started = {0};
257
258 if (previously_encrypted_upto > *size_already_done) {
259 LOG(DEBUG) << "Not fast encrypting since resuming part way through";
260 return -1;
261 }
262
263 memset(&data, 0, sizeof(data));
264 data.real_blkdev = real_blkdev;
265 data.crypto_blkdev = crypto_blkdev;
266 data.set_progress_properties = set_progress_properties;
267
268 LOG(DEBUG) << "Opening" << real_blkdev;
269 if ((data.realfd = open(real_blkdev, O_RDWR | O_CLOEXEC)) < 0) {
270 PLOG(ERROR) << "Error opening real_blkdev " << real_blkdev << " for inplace encrypt";
271 rc = -1;
272 goto errout;
273 }
274
275 LOG(DEBUG) << "Opening" << crypto_blkdev;
276 // Wait until the block device appears. Re-use the mount retry values since it is reasonable.
277 while ((data.cryptofd = open(crypto_blkdev, O_WRONLY | O_CLOEXEC)) < 0) {
278 if (--retries) {
279 PLOG(ERROR) << "Error opening crypto_blkdev " << crypto_blkdev
280 << " for ext4 inplace encrypt, retrying";
281 sleep(RETRY_MOUNT_DELAY_SECONDS);
282 } else {
283 PLOG(ERROR) << "Error opening crypto_blkdev " << crypto_blkdev
284 << " for ext4 inplace encrypt";
285 rc = ENABLE_INPLACE_ERR_DEV;
286 goto errout;
287 }
288 }
289
290 if (setjmp(setjmp_env)) { // NOLINT
291 LOG(ERROR) << "Reading ext4 extent caused an exception";
292 rc = -1;
293 goto errout;
294 }
295
296 if (read_ext(data.realfd, 0) != 0) {
297 LOG(ERROR) << "Failed to read ext4 extent";
298 rc = -1;
299 goto errout;
300 }
301
302 data.numblocks = size / CRYPT_SECTORS_PER_BUFSIZE;
303 data.tot_numblocks = tot_size / CRYPT_SECTORS_PER_BUFSIZE;
304 data.blocks_already_done = *size_already_done / CRYPT_SECTORS_PER_BUFSIZE;
305
306 LOG(INFO) << "Encrypting ext4 filesystem in place...";
307
308 data.tot_used_blocks = data.numblocks;
309 for (i = 0; i < aux_info.groups; ++i) {
310 data.tot_used_blocks -= aux_info.bg_desc[i].bg_free_blocks_count;
311 }
312
313 data.one_pct = data.tot_used_blocks / 100;
314 data.cur_pct = 0;
315
316 if (clock_gettime(CLOCK_MONOTONIC, &time_started)) {
317 LOG(WARNING) << "Error getting time at start";
318 // Note - continue anyway - we'll run with 0
319 }
320 data.time_started = time_started.tv_sec;
321 data.remaining_time = -1;
322
323 rc = encrypt_groups(&data);
324 if (rc) {
325 LOG(ERROR) << "Error encrypting groups";
326 goto errout;
327 }
328
329 *size_already_done += data.completed ? size : data.last_written_sector;
330 rc = 0;
331
332errout:
333 close(data.realfd);
334 close(data.cryptofd);
335
336 return rc;
337}
338
339static void log_progress_f2fs(u64 block, bool completed) {
340 // Precondition - if completed data = 0 else data != 0
341
342 // Track progress so we can skip logging blocks
343 static u64 last_block = (u64)-1;
344
345 // Need to close existing 'Encrypting from' log?
346 if (completed || (last_block != (u64)-1 && block != last_block + 1)) {
347 LOG(INFO) << "Encrypted to block " << last_block;
348 last_block = -1;
349 }
350
351 // Need to start new 'Encrypting from' log?
352 if (!completed && (last_block == (u64)-1 || block != last_block + 1)) {
353 LOG(INFO) << "Encrypting from block " << block;
354 }
355
356 // Update offset
357 if (!completed) {
358 last_block = block;
359 }
360}
361
362static int encrypt_one_block_f2fs(u64 pos, void* data) {
363 struct encryptGroupsData* priv_dat = (struct encryptGroupsData*)data;
364
365 priv_dat->blocks_already_done = pos - 1;
366 update_progress(priv_dat, 1);
367
368 off64_t offset = pos * CRYPT_INPLACE_BUFSIZE;
369
370 if (pread64(priv_dat->realfd, priv_dat->buffer, CRYPT_INPLACE_BUFSIZE, offset) <= 0) {
371 LOG(ERROR) << "Error reading real_blkdev " << priv_dat->crypto_blkdev
372 << " for f2fs inplace encrypt";
373 return -1;
374 }
375
376 if (pwrite64(priv_dat->cryptofd, priv_dat->buffer, CRYPT_INPLACE_BUFSIZE, offset) <= 0) {
377 LOG(ERROR) << "Error writing crypto_blkdev " << priv_dat->crypto_blkdev
378 << " for f2fs inplace encrypt";
379 return -1;
380 } else {
381 log_progress_f2fs(pos, false);
382 }
383
384 return 0;
385}
386
387static int cryptfs_enable_inplace_f2fs(const char* crypto_blkdev, const char* real_blkdev,
388 off64_t size, off64_t* size_already_done, off64_t tot_size,
389 off64_t previously_encrypted_upto,
390 bool set_progress_properties) {
391 struct encryptGroupsData data;
392 struct f2fs_info* f2fs_info = NULL;
393 int rc = ENABLE_INPLACE_ERR_OTHER;
394 if (previously_encrypted_upto > *size_already_done) {
395 LOG(DEBUG) << "Not fast encrypting since resuming part way through";
396 return ENABLE_INPLACE_ERR_OTHER;
397 }
398 memset(&data, 0, sizeof(data));
399 data.real_blkdev = real_blkdev;
400 data.crypto_blkdev = crypto_blkdev;
401 data.set_progress_properties = set_progress_properties;
402 data.realfd = -1;
403 data.cryptofd = -1;
404 if ((data.realfd = open64(real_blkdev, O_RDWR | O_CLOEXEC)) < 0) {
405 PLOG(ERROR) << "Error opening real_blkdev " << real_blkdev << " for f2fs inplace encrypt";
406 goto errout;
407 }
408 if ((data.cryptofd = open64(crypto_blkdev, O_WRONLY | O_CLOEXEC)) < 0) {
409 PLOG(ERROR) << "Error opening crypto_blkdev " << crypto_blkdev
410 << " for f2fs inplace encrypt";
411 rc = ENABLE_INPLACE_ERR_DEV;
412 goto errout;
413 }
414
415 f2fs_info = generate_f2fs_info(data.realfd);
416 if (!f2fs_info) goto errout;
417
418 data.numblocks = size / CRYPT_SECTORS_PER_BUFSIZE;
419 data.tot_numblocks = tot_size / CRYPT_SECTORS_PER_BUFSIZE;
420 data.blocks_already_done = *size_already_done / CRYPT_SECTORS_PER_BUFSIZE;
421
422 data.tot_used_blocks = get_num_blocks_used(f2fs_info);
423
424 data.one_pct = data.tot_used_blocks / 100;
425 data.cur_pct = 0;
426 data.time_started = time(NULL);
427 data.remaining_time = -1;
428
429 data.buffer = (char*)malloc(f2fs_info->block_size);
430 if (!data.buffer) {
431 LOG(ERROR) << "Failed to allocate crypto buffer";
432 goto errout;
433 }
434
435 data.count = 0;
436
437 /* Currently, this either runs to completion, or hits a nonrecoverable error */
438 rc = run_on_used_blocks(data.blocks_already_done, f2fs_info, &encrypt_one_block_f2fs, &data);
439
440 if (rc) {
441 LOG(ERROR) << "Error in running over f2fs blocks";
442 rc = ENABLE_INPLACE_ERR_OTHER;
443 goto errout;
444 }
445
446 *size_already_done += size;
447 rc = 0;
448
449errout:
450 if (rc) LOG(ERROR) << "Failed to encrypt f2fs filesystem on " << real_blkdev;
451
452 log_progress_f2fs(0, true);
453 free(f2fs_info);
454 free(data.buffer);
455 close(data.realfd);
456 close(data.cryptofd);
457
458 return rc;
459}
460
461static int cryptfs_enable_inplace_full(const char* crypto_blkdev, const char* real_blkdev,
462 off64_t size, off64_t* size_already_done, off64_t tot_size,
463 off64_t previously_encrypted_upto,
464 bool set_progress_properties) {
465 int realfd, cryptofd;
466 char* buf[CRYPT_INPLACE_BUFSIZE];
467 int rc = ENABLE_INPLACE_ERR_OTHER;
468 off64_t numblocks, i, remainder;
469 off64_t one_pct, cur_pct, new_pct;
470 off64_t blocks_already_done, tot_numblocks;
471
472 if ((realfd = open(real_blkdev, O_RDONLY | O_CLOEXEC)) < 0) {
473 PLOG(ERROR) << "Error opening real_blkdev " << real_blkdev << " for inplace encrypt";
474 return ENABLE_INPLACE_ERR_OTHER;
475 }
476
477 if ((cryptofd = open(crypto_blkdev, O_WRONLY | O_CLOEXEC)) < 0) {
478 PLOG(ERROR) << "Error opening crypto_blkdev " << crypto_blkdev << " for inplace encrypt";
479 close(realfd);
480 return ENABLE_INPLACE_ERR_DEV;
481 }
482
483 /* This is pretty much a simple loop of reading 4K, and writing 4K.
484 * The size passed in is the number of 512 byte sectors in the filesystem.
485 * So compute the number of whole 4K blocks we should read/write,
486 * and the remainder.
487 */
488 numblocks = size / CRYPT_SECTORS_PER_BUFSIZE;
489 remainder = size % CRYPT_SECTORS_PER_BUFSIZE;
490 tot_numblocks = tot_size / CRYPT_SECTORS_PER_BUFSIZE;
491 blocks_already_done = *size_already_done / CRYPT_SECTORS_PER_BUFSIZE;
492
493 LOG(ERROR) << "Encrypting filesystem in place...";
494
495 i = previously_encrypted_upto + 1 - *size_already_done;
496
497 if (lseek64(realfd, i * CRYPT_SECTOR_SIZE, SEEK_SET) < 0) {
498 PLOG(ERROR) << "Cannot seek to previously encrypted point on " << real_blkdev;
499 goto errout;
500 }
501
502 if (lseek64(cryptofd, i * CRYPT_SECTOR_SIZE, SEEK_SET) < 0) {
503 PLOG(ERROR) << "Cannot seek to previously encrypted point on " << crypto_blkdev;
504 goto errout;
505 }
506
507 for (; i < size && i % CRYPT_SECTORS_PER_BUFSIZE != 0; ++i) {
508 if (unix_read(realfd, buf, CRYPT_SECTOR_SIZE) <= 0) {
509 PLOG(ERROR) << "Error reading initial sectors from real_blkdev " << real_blkdev
510 << " for inplace encrypt";
511 goto errout;
512 }
513 if (unix_write(cryptofd, buf, CRYPT_SECTOR_SIZE) <= 0) {
514 PLOG(ERROR) << "Error writing initial sectors to crypto_blkdev " << crypto_blkdev
515 << " for inplace encrypt";
516 goto errout;
517 } else {
518 LOG(INFO) << "Encrypted 1 block at " << i;
519 }
520 }
521
522 one_pct = tot_numblocks / 100;
523 cur_pct = 0;
524 /* process the majority of the filesystem in blocks */
525 for (i /= CRYPT_SECTORS_PER_BUFSIZE; i < numblocks; i++) {
526 new_pct = (i + blocks_already_done) / one_pct;
527 if (set_progress_properties && new_pct > cur_pct) {
528 char property_buf[8];
529
530 cur_pct = new_pct;
531 snprintf(property_buf, sizeof(property_buf), "%" PRId64, cur_pct);
532 android::base::SetProperty("vold.encrypt_progress", property_buf);
533 }
534 if (unix_read(realfd, buf, CRYPT_INPLACE_BUFSIZE) <= 0) {
535 PLOG(ERROR) << "Error reading real_blkdev " << real_blkdev << " for inplace encrypt";
536 goto errout;
537 }
538 if (unix_write(cryptofd, buf, CRYPT_INPLACE_BUFSIZE) <= 0) {
539 PLOG(ERROR) << "Error writing crypto_blkdev " << crypto_blkdev << " for inplace encrypt";
540 goto errout;
541 } else {
542 LOG(DEBUG) << "Encrypted " << CRYPT_SECTORS_PER_BUFSIZE << " block at "
543 << i * CRYPT_SECTORS_PER_BUFSIZE;
544 }
545 }
546
547 /* Do any remaining sectors */
548 for (i = 0; i < remainder; i++) {
549 if (unix_read(realfd, buf, CRYPT_SECTOR_SIZE) <= 0) {
550 LOG(ERROR) << "Error reading final sectors from real_blkdev " << real_blkdev
551 << " for inplace encrypt";
552 goto errout;
553 }
554 if (unix_write(cryptofd, buf, CRYPT_SECTOR_SIZE) <= 0) {
555 LOG(ERROR) << "Error writing final sectors to crypto_blkdev " << crypto_blkdev
556 << " for inplace encrypt";
557 goto errout;
558 } else {
559 LOG(INFO) << "Encrypted 1 block at next location";
560 }
561 }
562
563 *size_already_done += size;
564 rc = 0;
565
566errout:
567 close(realfd);
568 close(cryptofd);
569
570 return rc;
571}
572
573/* returns on of the ENABLE_INPLACE_* return codes */
574int cryptfs_enable_inplace(const char* crypto_blkdev, const char* real_blkdev, off64_t size,
575 off64_t* size_already_done, off64_t tot_size,
576 off64_t previously_encrypted_upto, bool set_progress_properties) {
577 int rc_ext4, rc_f2fs, rc_full;
578 LOG(DEBUG) << "cryptfs_enable_inplace(" << crypto_blkdev << ", " << real_blkdev << ", " << size
579 << ", " << size_already_done << ", " << tot_size << ", " << previously_encrypted_upto
580 << ", " << set_progress_properties << ")";
581 if (previously_encrypted_upto) {
582 LOG(DEBUG) << "Continuing encryption from " << previously_encrypted_upto;
583 }
584
585 if (*size_already_done + size < previously_encrypted_upto) {
586 LOG(DEBUG) << "cryptfs_enable_inplace already done";
587 *size_already_done += size;
588 return 0;
589 }
590
591 /* TODO: identify filesystem type.
592 * As is, cryptfs_enable_inplace_ext4 will fail on an f2fs partition, and
593 * then we will drop down to cryptfs_enable_inplace_f2fs.
594 * */
595 if ((rc_ext4 = cryptfs_enable_inplace_ext4(crypto_blkdev, real_blkdev, size, size_already_done,
596 tot_size, previously_encrypted_upto,
597 set_progress_properties)) == 0) {
598 LOG(DEBUG) << "cryptfs_enable_inplace_ext4 success";
599 return 0;
600 }
601 LOG(DEBUG) << "cryptfs_enable_inplace_ext4()=" << rc_ext4;
602
603 if ((rc_f2fs = cryptfs_enable_inplace_f2fs(crypto_blkdev, real_blkdev, size, size_already_done,
604 tot_size, previously_encrypted_upto,
605 set_progress_properties)) == 0) {
606 LOG(DEBUG) << "cryptfs_enable_inplace_f2fs success";
607 return 0;
608 }
609 LOG(DEBUG) << "cryptfs_enable_inplace_f2fs()=" << rc_f2fs;
610
611 rc_full =
612 cryptfs_enable_inplace_full(crypto_blkdev, real_blkdev, size, size_already_done, tot_size,
613 previously_encrypted_upto, set_progress_properties);
614 LOG(DEBUG) << "cryptfs_enable_inplace_full()=" << rc_full;
615
616 /* Hack for b/17898962, the following is the symptom... */
617 if (rc_ext4 == ENABLE_INPLACE_ERR_DEV && rc_f2fs == ENABLE_INPLACE_ERR_DEV &&
618 rc_full == ENABLE_INPLACE_ERR_DEV) {
619 LOG(DEBUG) << "ENABLE_INPLACE_ERR_DEV";
620 return ENABLE_INPLACE_ERR_DEV;
621 }
622 return rc_full;
623}