2 * do_journal.c --- Scribble onto the journal!
4 * Copyright (C) 2014 Oracle. This file may be redistributed
5 * under the terms of the GNU Public License.
18 #ifdef HAVE_SYS_TIME_H
23 #include "ext2fs/kernel-jbd.h"
29 # define dbg_printf(f, a...) do {printf("JFS DEBUG: " f, ## a); \
33 # define dbg_printf(f, a...)
36 #define JOURNAL_CHECK_TRANS_MAGIC(x) \
38 if ((x)->magic != J_TRANS_MAGIC) \
39 return EXT2_ET_INVALID_ARGUMENT; \
42 #define J_TRANS_MAGIC 0xD15EA5ED
43 #define J_TRANS_OPEN 1
44 #define J_TRANS_COMMITTED 2
45 struct journal_transaction_s {
55 typedef struct journal_transaction_s journal_transaction_t;
57 static journal_t *current_journal = NULL;
59 static void journal_dump_trans(journal_transaction_t *trans EXT2FS_ATTR((unused)),
60 const char *tag EXT2FS_ATTR((unused)))
62 dbg_printf("TRANS %p(%s): tid=%u start=%llu block=%llu end=%llu "
63 "flags=0x%x\n", trans, tag, trans->tid, trans->start,
64 trans->block, trans->end, trans->flags);
67 static errcode_t journal_commit_trans(journal_transaction_t *trans)
69 struct buffer_head *bh, *cbh = NULL;
70 struct commit_header *commit;
71 #ifdef HAVE_SYS_TIME_H
76 JOURNAL_CHECK_TRANS_MAGIC(trans);
78 if ((trans->flags & J_TRANS_COMMITTED) ||
79 !(trans->flags & J_TRANS_OPEN))
80 return EXT2_ET_INVALID_ARGUMENT;
82 bh = getblk(trans->journal->j_dev, 0, trans->journal->j_blocksize);
86 /* write the descriptor block header */
87 commit = (struct commit_header *)bh->b_data;
88 commit->h_magic = ext2fs_cpu_to_be32(JBD2_MAGIC_NUMBER);
89 commit->h_blocktype = ext2fs_cpu_to_be32(JBD2_COMMIT_BLOCK);
90 commit->h_sequence = ext2fs_cpu_to_be32(trans->tid);
91 if (jbd2_has_feature_checksum(trans->journal)) {
95 cbh = getblk(trans->journal->j_dev, 0,
96 trans->journal->j_blocksize);
102 for (cblk = trans->start; cblk < trans->block; cblk++) {
103 err = jbd2_journal_bmap(trans->journal, cblk,
107 mark_buffer_uptodate(cbh, 0);
108 ll_rw_block(REQ_OP_READ, 0, 1, &cbh);
112 csum_v1 = ext2fs_crc32_be(csum_v1,
113 (unsigned char const *)cbh->b_data,
117 commit->h_chksum_type = JBD2_CRC32_CHKSUM;
118 commit->h_chksum_size = JBD2_CRC32_CHKSUM_SIZE;
119 commit->h_chksum[0] = ext2fs_cpu_to_be32(csum_v1);
121 commit->h_chksum_type = 0;
122 commit->h_chksum_size = 0;
123 commit->h_chksum[0] = 0;
125 #ifdef HAVE_SYS_TIME_H
126 gettimeofday(&tv, NULL);
127 commit->h_commit_sec = ext2fs_cpu_to_be32(tv.tv_sec);
128 commit->h_commit_nsec = ext2fs_cpu_to_be32(tv.tv_usec * 1000);
130 commit->h_commit_sec = 0;
131 commit->h_commit_nsec = 0;
135 jbd2_commit_block_csum_set(trans->journal, bh);
136 err = jbd2_journal_bmap(trans->journal, trans->block, &bh->b_blocknr);
140 dbg_printf("Writing commit block at %llu:%llu\n", trans->block,
142 mark_buffer_dirty(bh);
143 ll_rw_block(REQ_OP_WRITE, 0, 1, &bh);
147 trans->flags |= J_TRANS_COMMITTED;
148 trans->flags &= ~J_TRANS_OPEN;
151 ext2fs_set_feature_journal_needs_recovery(trans->fs->super);
152 ext2fs_mark_super_dirty(trans->fs);
160 static errcode_t journal_add_revoke_to_trans(journal_transaction_t *trans,
161 blk64_t *revoke_list,
164 jbd2_journal_revoke_header_t *jrb;
169 unsigned csum_size = 0;
170 struct buffer_head *bh;
173 JOURNAL_CHECK_TRANS_MAGIC(trans);
175 if ((trans->flags & J_TRANS_COMMITTED) ||
176 !(trans->flags & J_TRANS_OPEN))
177 return EXT2_ET_INVALID_ARGUMENT;
182 /* Do we need to leave space at the end for a checksum? */
183 if (jbd2_journal_has_csum_v2or3(trans->journal))
184 csum_size = sizeof(struct jbd2_journal_block_tail);
186 curr_blk = trans->block;
188 bh = getblk(trans->journal->j_dev, curr_blk,
189 trans->journal->j_blocksize);
192 jrb = buf = bh->b_data;
193 jrb->r_header.h_magic = ext2fs_cpu_to_be32(JBD2_MAGIC_NUMBER);
194 jrb->r_header.h_blocktype = ext2fs_cpu_to_be32(JBD2_REVOKE_BLOCK);
195 jrb->r_header.h_sequence = ext2fs_cpu_to_be32(trans->tid);
196 offset = sizeof(*jrb);
198 if (jbd2_has_feature_64bit(trans->journal))
203 for (i = 0; i < revoke_len; i++) {
204 /* Block full, write to journal */
205 if (offset + sz > trans->journal->j_blocksize - csum_size) {
206 jrb->r_count = ext2fs_cpu_to_be32(offset);
207 jbd2_revoke_csum_set(trans->journal, bh);
209 err = jbd2_journal_bmap(trans->journal, curr_blk,
213 dbg_printf("Writing revoke block at %llu:%llu\n",
214 curr_blk, bh->b_blocknr);
215 mark_buffer_dirty(bh);
216 ll_rw_block(REQ_OP_WRITE, 0, 1, &bh);
221 offset = sizeof(*jrb);
225 if (revoke_list[i] >=
226 ext2fs_blocks_count(trans->journal->j_fs_dev->k_fs->super)) {
227 err = EXT2_ET_BAD_BLOCK_NUM;
231 if (jbd2_has_feature_64bit(trans->journal))
232 *((__u64 *)(&((char *)buf)[offset])) =
233 ext2fs_cpu_to_be64(revoke_list[i]);
235 *((__u32 *)(&((char *)buf)[offset])) =
236 ext2fs_cpu_to_be32(revoke_list[i]);
241 jrb->r_count = ext2fs_cpu_to_be32(offset);
242 jbd2_revoke_csum_set(trans->journal, bh);
244 err = jbd2_journal_bmap(trans->journal, curr_blk,
248 dbg_printf("Writing revoke block at %llu:%llu\n",
249 curr_blk, bh->b_blocknr);
250 mark_buffer_dirty(bh);
251 ll_rw_block(REQ_OP_WRITE, 0, 1, &bh);
259 trans->block = curr_blk;
264 static errcode_t journal_add_blocks_to_trans(journal_transaction_t *trans,
265 blk64_t *block_list, size_t block_len,
268 blk64_t curr_blk, jdb_blk;
271 journal_header_t *jdb;
272 journal_block_tag_t *jdbt;
274 void *buf = NULL, *jdb_buf = NULL;
275 struct buffer_head *bh = NULL, *data_bh;
278 JOURNAL_CHECK_TRANS_MAGIC(trans);
280 if ((trans->flags & J_TRANS_COMMITTED) ||
281 !(trans->flags & J_TRANS_OPEN))
282 return EXT2_ET_INVALID_ARGUMENT;
287 /* Do we need to leave space at the end for a checksum? */
288 if (jbd2_journal_has_csum_v2or3(trans->journal))
289 csum_size = sizeof(struct jbd2_journal_block_tail);
291 curr_blk = jdb_blk = trans->block;
293 data_bh = getblk(trans->journal->j_dev, curr_blk,
294 trans->journal->j_blocksize);
297 buf = data_bh->b_data;
299 /* write the descriptor block header */
300 bh = getblk(trans->journal->j_dev, curr_blk,
301 trans->journal->j_blocksize);
306 jdb = jdb_buf = bh->b_data;
307 jdb->h_magic = ext2fs_cpu_to_be32(JBD2_MAGIC_NUMBER);
308 jdb->h_blocktype = ext2fs_cpu_to_be32(JBD2_DESCRIPTOR_BLOCK);
309 jdb->h_sequence = ext2fs_cpu_to_be32(trans->tid);
310 jdbt = (journal_block_tag_t *)(jdb + 1);
313 for (i = 0; i < block_len; i++) {
314 j = fread(data_bh->b_data, trans->journal->j_blocksize, 1, fp);
320 tag_bytes = journal_tag_bytes(trans->journal);
322 /* No space left in descriptor block, write it out */
323 if ((char *)jdbt + tag_bytes >
324 (char *)jdb_buf + trans->journal->j_blocksize - csum_size) {
325 jbd2_descr_block_csum_set(trans->journal, bh);
326 err = jbd2_journal_bmap(trans->journal, jdb_blk,
330 dbg_printf("Writing descriptor block at %llu:%llu\n",
331 jdb_blk, bh->b_blocknr);
332 mark_buffer_dirty(bh);
333 ll_rw_block(REQ_OP_WRITE, 0, 1, &bh);
338 jdbt = (journal_block_tag_t *)(jdb + 1);
344 ext2fs_blocks_count(trans->journal->j_fs_dev->k_fs->super)) {
345 err = EXT2_ET_BAD_BLOCK_NUM;
349 /* Fill out the block tag */
350 jdbt->t_blocknr = ext2fs_cpu_to_be32(block_list[i] & 0xFFFFFFFF);
352 if (jdbt != (journal_block_tag_t *)(jdb + 1))
353 jdbt->t_flags |= ext2fs_cpu_to_be16(JBD2_FLAG_SAME_UUID);
355 memcpy(jdbt + tag_bytes,
356 trans->journal->j_superblock->s_uuid,
357 sizeof(trans->journal->j_superblock->s_uuid));
360 if (i == block_len - 1)
361 jdbt->t_flags |= ext2fs_cpu_to_be16(JBD2_FLAG_LAST_TAG);
362 if (*((__u32 *)buf) == ext2fs_cpu_to_be32(JBD2_MAGIC_NUMBER)) {
364 jdbt->t_flags |= ext2fs_cpu_to_be16(JBD2_FLAG_ESCAPE);
366 if (jbd2_has_feature_64bit(trans->journal))
367 jdbt->t_blocknr_high = ext2fs_cpu_to_be32(block_list[i] >> 32);
368 jbd2_block_tag_csum_set(trans->journal, jdbt, data_bh,
371 /* Write the data block */
372 err = jbd2_journal_bmap(trans->journal, curr_blk,
373 &data_bh->b_blocknr);
376 dbg_printf("Writing data block %llu at %llu:%llu tag %d\n",
377 block_list[i], curr_blk, data_bh->b_blocknr,
379 mark_buffer_dirty(data_bh);
380 ll_rw_block(REQ_OP_WRITE, 0, 1, &data_bh);
381 err = data_bh->b_err;
386 jdbt = (journal_block_tag_t *)(((char *)jdbt) + tag_bytes);
389 /* Write out the last descriptor block */
390 if (jdbt != (journal_block_tag_t *)(jdb + 1)) {
391 jbd2_descr_block_csum_set(trans->journal, bh);
392 err = jbd2_journal_bmap(trans->journal, jdb_blk,
396 dbg_printf("Writing descriptor block at %llu:%llu\n",
397 jdb_blk, bh->b_blocknr);
398 mark_buffer_dirty(bh);
399 ll_rw_block(REQ_OP_WRITE, 0, 1, &bh);
406 trans->block = curr_blk;
413 static blk64_t journal_guess_blocks(journal_t *journal, blk64_t data_blocks,
414 blk64_t revoke_blocks)
419 /* Estimate # of revoke blocks */
420 bs = journal->j_blocksize;
421 if (jbd2_journal_has_csum_v2or3(journal))
422 bs -= sizeof(struct jbd2_journal_block_tail);
423 sz = jbd2_has_feature_64bit(journal) ? sizeof(__u64) : sizeof(__u32);
424 ret += revoke_blocks * sz / bs;
426 /* Estimate # of data blocks */
427 bs = journal->j_blocksize - 16;
428 if (jbd2_journal_has_csum_v2or3(journal))
429 bs -= sizeof(struct jbd2_journal_block_tail);
430 sz = journal_tag_bytes(journal);
431 ret += data_blocks * sz / bs;
438 static errcode_t journal_open_trans(journal_t *journal,
439 journal_transaction_t *trans,
442 trans->fs = journal->j_fs_dev->k_fs;
443 trans->journal = journal;
444 trans->flags = J_TRANS_OPEN;
446 if (journal->j_tail == 0) {
447 /* Clean journal, start at the tail */
448 trans->tid = journal->j_tail_sequence;
449 trans->start = journal->j_first;
451 /* Put new transaction at the head of the list */
452 trans->tid = journal->j_transaction_sequence;
453 trans->start = journal->j_head;
456 trans->block = trans->start;
457 if (trans->start + blocks > journal->j_last)
459 trans->end = trans->block + blocks;
460 journal_dump_trans(trans, "new transaction");
462 trans->magic = J_TRANS_MAGIC;
466 static errcode_t journal_close_trans(journal_transaction_t *trans)
470 JOURNAL_CHECK_TRANS_MAGIC(trans);
472 if (!(trans->flags & J_TRANS_COMMITTED))
475 journal = trans->journal;
476 if (journal->j_tail == 0) {
477 /* Update the tail */
478 journal->j_tail_sequence = trans->tid;
479 journal->j_tail = trans->start;
480 journal->j_superblock->s_start = ext2fs_cpu_to_be32(trans->start);
483 /* Update the head */
484 journal->j_head = trans->end + 1;
485 journal->j_transaction_sequence = trans->tid + 1;
489 /* Mark ourselves as needing recovery */
490 if (!ext2fs_has_feature_journal_needs_recovery(trans->fs->super)) {
491 ext2fs_set_feature_journal_needs_recovery(trans->fs->super);
492 ext2fs_mark_super_dirty(trans->fs);
498 #define JOURNAL_WRITE_NO_COMMIT 1
499 static errcode_t journal_write(journal_t *journal,
500 int flags, blk64_t *block_list,
501 size_t block_len, blk64_t *revoke_list,
502 size_t revoke_len, FILE *fp)
505 journal_transaction_t trans;
508 if (revoke_len > 0) {
509 jbd2_set_feature_revoke(journal);
510 mark_buffer_dirty(journal->j_sb_buffer);
513 blocks = journal_guess_blocks(journal, block_len, revoke_len);
514 err = journal_open_trans(journal, &trans, blocks);
518 err = journal_add_blocks_to_trans(&trans, block_list, block_len, fp);
522 err = journal_add_revoke_to_trans(&trans, revoke_list, revoke_len);
526 if (!(flags & JOURNAL_WRITE_NO_COMMIT)) {
527 err = journal_commit_trans(&trans);
532 err = journal_close_trans(&trans);
537 void do_journal_write(int argc, ss_argv_t argv, int sci_idx EXT2FS_ATTR((unused)),
538 void *infop EXT2FS_ATTR((unused)))
540 blk64_t *blist = NULL, *rlist = NULL;
541 size_t bn = 0, rn = 0;
547 if (current_journal == NULL) {
548 printf("Journal not open.\n");
553 while ((opt = getopt(argc, argv, "b:r:c")) != -1) {
556 err = read_list(optarg, &blist, &bn);
558 com_err(argv[0], err,
559 "while reading block list");
564 err = read_list(optarg, &rlist, &rn);
566 com_err(argv[0], err,
567 "while reading revoke list");
572 flags |= JOURNAL_WRITE_NO_COMMIT;
575 printf("%s [-b blocks] [-r revoke] [-c] file\n",
577 printf("-b: Write these blocks into transaction.\n");
578 printf("-c: Do not commit transaction.\n");
579 printf("-r: Revoke these blocks from transaction.\n");
585 if (bn > 0 && optind != argc - 1) {
586 printf("Need a file to read blocks from.\n");
591 fp = fopen(argv[optind], "r");
593 com_err(argv[0], errno,
594 "while opening journal data file");
599 err = journal_write(current_journal, flags, blist, bn,
602 com_err("journal_write", err, "while writing journal");
613 /* Make sure we wrap around the log correctly! */
614 #define wrap(journal, var) \
616 if (var >= (journal)->j_last) \
617 var -= ((journal)->j_last - (journal)->j_first); \
621 * Count the number of in-use tags in a journal descriptor block.
624 static int count_tags(journal_t *journal, char *buf)
627 journal_block_tag_t *tag;
628 int nr = 0, size = journal->j_blocksize;
629 int tag_bytes = journal_tag_bytes(journal);
631 if (jbd2_journal_has_csum_v2or3(journal))
632 size -= sizeof(struct jbd2_journal_block_tail);
634 tagp = buf + sizeof(journal_header_t);
636 while ((tagp - buf + tag_bytes) <= size) {
637 tag = (journal_block_tag_t *) tagp;
641 if (!(tag->t_flags & ext2fs_cpu_to_be16(JBD2_FLAG_SAME_UUID)))
644 if (tag->t_flags & ext2fs_cpu_to_be16(JBD2_FLAG_LAST_TAG))
651 static errcode_t journal_find_head(journal_t *journal)
653 unsigned int next_commit_ID;
654 blk64_t next_log_block, head_block;
656 journal_superblock_t *sb;
657 journal_header_t *tmp;
658 struct buffer_head *bh;
659 unsigned int sequence;
663 * First thing is to establish what we expect to find in the log
664 * (in terms of transaction IDs), and where (in terms of log
665 * block offsets): query the superblock.
668 sb = journal->j_superblock;
669 next_commit_ID = ext2fs_be32_to_cpu(sb->s_sequence);
670 next_log_block = ext2fs_be32_to_cpu(sb->s_start);
671 head_block = next_log_block;
673 if (next_log_block == 0)
676 bh = getblk(journal->j_dev, 0, journal->j_blocksize);
681 * Now we walk through the log, transaction by transaction,
682 * making sure that each transaction has a commit block in the
683 * expected place. Each complete transaction gets replayed back
684 * into the main filesystem.
687 dbg_printf("Scanning for sequence ID %u at %lu/%lu\n",
688 next_commit_ID, (unsigned long)next_log_block,
691 /* Skip over each chunk of the transaction looking
692 * either the next descriptor block or the final commit
694 err = jbd2_journal_bmap(journal, next_log_block,
698 mark_buffer_uptodate(bh, 0);
699 ll_rw_block(REQ_OP_READ, 0, 1, &bh);
705 wrap(journal, next_log_block);
707 /* What kind of buffer is it?
709 * If it is a descriptor block, check that it has the
710 * expected sequence number. Otherwise, we're all done
713 tmp = (journal_header_t *)bh->b_data;
715 if (tmp->h_magic != ext2fs_cpu_to_be32(JBD2_MAGIC_NUMBER)) {
716 dbg_printf("JBD2: wrong magic 0x%x\n", tmp->h_magic);
720 blocktype = ext2fs_be32_to_cpu(tmp->h_blocktype);
721 sequence = ext2fs_be32_to_cpu(tmp->h_sequence);
722 dbg_printf("Found magic %d, sequence %d\n",
723 blocktype, sequence);
725 if (sequence != next_commit_ID) {
726 dbg_printf("JBD2: Wrong sequence %d (wanted %d)\n",
727 sequence, next_commit_ID);
731 /* OK, we have a valid descriptor block which matches
732 * all of the sequence number checks. What are we going
733 * to do with it? That depends on the pass... */
736 case JBD2_DESCRIPTOR_BLOCK:
737 next_log_block += count_tags(journal, bh->b_data);
738 wrap(journal, next_log_block);
741 case JBD2_COMMIT_BLOCK:
742 head_block = next_log_block;
746 case JBD2_REVOKE_BLOCK:
750 dbg_printf("Unrecognised magic %d, end of scan.\n",
759 dbg_printf("head seq=%d blk=%llu\n", next_commit_ID,
761 journal->j_transaction_sequence = next_commit_ID;
762 journal->j_head = head_block;
768 static void update_journal_csum(journal_t *journal, int ver)
770 journal_superblock_t *jsb;
772 if (journal->j_format_version < 2)
775 if (journal->j_tail != 0 ||
776 ext2fs_has_feature_journal_needs_recovery(
777 journal->j_fs_dev->k_fs->super)) {
778 printf("Journal needs recovery, will not add csums.\n");
782 /* metadata_csum implies journal csum v3 */
783 jsb = journal->j_superblock;
784 if (ext2fs_has_feature_metadata_csum(journal->j_fs_dev->k_fs->super)) {
785 printf("Setting csum v%d\n", ver);
788 jbd2_clear_feature_csum3(journal);
789 jbd2_set_feature_csum2(journal);
790 jbd2_clear_feature_checksum(journal);
793 jbd2_set_feature_csum3(journal);
794 jbd2_clear_feature_csum2(journal);
795 jbd2_clear_feature_checksum(journal);
798 printf("Unknown checksum v%d\n", ver);
801 journal->j_superblock->s_checksum_type = JBD2_CRC32C_CHKSUM;
802 journal->j_csum_seed = jbd2_chksum(journal, ~0, jsb->s_uuid,
803 sizeof(jsb->s_uuid));
805 jbd2_clear_feature_csum3(journal);
806 jbd2_clear_feature_csum2(journal);
807 jbd2_set_feature_checksum(journal);
811 static void update_uuid(journal_t *journal)
816 if (journal->j_format_version < 2)
819 for (z = 0; z < sizeof(journal->j_superblock->s_uuid); z++)
820 if (journal->j_superblock->s_uuid[z])
825 fs = journal->j_fs_dev->k_fs;
826 if (!ext2fs_has_feature_64bit(fs->super))
829 if (jbd2_has_feature_64bit(journal) &&
830 ext2fs_has_feature_64bit(fs->super))
833 if (journal->j_tail != 0 ||
834 ext2fs_has_feature_journal_needs_recovery(fs->super)) {
835 printf("Journal needs recovery, will not set 64bit.\n");
839 memcpy(journal->j_superblock->s_uuid, fs->super->s_uuid,
840 sizeof(fs->super->s_uuid));
843 static void update_64bit_flag(journal_t *journal)
845 if (journal->j_format_version < 2)
848 if (!ext2fs_has_feature_64bit(journal->j_fs_dev->k_fs->super))
851 if (jbd2_has_feature_64bit(journal) &&
852 ext2fs_has_feature_64bit(journal->j_fs_dev->k_fs->super))
855 if (journal->j_tail != 0 ||
856 ext2fs_has_feature_journal_needs_recovery(
857 journal->j_fs_dev->k_fs->super)) {
858 printf("Journal needs recovery, will not set 64bit.\n");
862 jbd2_set_feature_64bit(journal);
865 void do_journal_open(int argc, ss_argv_t argv, int sci_idx EXT2FS_ATTR((unused)),
866 void *infop EXT2FS_ATTR((unused)))
868 int opt, enable_csum = 0, csum_ver = 3;
872 if (check_fs_open(argv[0]))
874 if (check_fs_read_write(argv[0]))
876 if (check_fs_bitmaps(argv[0]))
878 if (current_journal) {
879 printf("Journal is already open.\n");
882 if (!ext2fs_has_feature_journal(current_fs->super)) {
883 printf("Journalling is not enabled on this filesystem.\n");
888 while ((opt = getopt(argc, argv, "cv:f:")) != -1) {
894 if (current_fs->journal_name)
895 free(current_fs->journal_name);
896 current_fs->journal_name = strdup(optarg);
899 csum_ver = atoi(optarg);
900 if (csum_ver != 2 && csum_ver != 3) {
901 printf("Unknown journal csum v%d\n", csum_ver);
906 printf("%s: [-c] [-v ver] [-f ext_jnl]\n", argv[0]);
907 printf("-c: Enable journal checksumming.\n");
908 printf("-v: Use this version checksum format.\n");
909 printf("-f: Load this external journal.\n");
913 err = ext2fs_open_journal(current_fs, ¤t_journal);
915 com_err(argv[0], err, "while opening journal");
918 journal = current_journal;
920 dbg_printf("JOURNAL: seq=%u tailseq=%u start=%lu first=%lu "
921 "maxlen=%lu\n", journal->j_tail_sequence,
922 journal->j_transaction_sequence, journal->j_tail,
923 journal->j_first, journal->j_last);
925 update_uuid(journal);
926 update_64bit_flag(journal);
928 update_journal_csum(journal, csum_ver);
930 err = journal_find_head(journal);
932 com_err(argv[0], err, "while examining journal");
935 void do_journal_close(int argc EXT2FS_ATTR((unused)),
936 ss_argv_t argv EXT2FS_ATTR((unused)),
937 int sci_idx EXT2FS_ATTR((unused)),
938 void *infop EXT2FS_ATTR((unused)))
940 if (current_journal == NULL) {
941 printf("Journal not open.\n");
945 ext2fs_close_journal(current_fs, ¤t_journal);
948 void do_journal_run(int argc EXT2FS_ATTR((unused)), ss_argv_t argv,
949 int sci_idx EXT2FS_ATTR((unused)),
950 void *infop EXT2FS_ATTR((unused)))
954 if (check_fs_open(argv[0]))
956 if (check_fs_read_write(argv[0]))
958 if (check_fs_bitmaps(argv[0]))
960 if (current_journal) {
961 printf("Please close the journal before recovering it.\n");
965 err = ext2fs_run_ext3_journal(¤t_fs);
967 com_err("journal_run", err, "while recovering journal");
969 ext2fs_clear_feature_journal_needs_recovery(current_fs->super);
970 ext2fs_mark_super_dirty(current_fs);