| /linux/drivers/md/dm-vdo/ |
| H A D | recovery-journal.c | 67 static inline atomic_t *get_zone_count_ptr(struct recovery_journal *journal, in get_zone_count_ptr() argument
72 ? &journal->lock_counter.logical_zone_counts[lock_number] in get_zone_count_ptr()
73 : &journal->lock_counter.physical_zone_counts[lock_number]); in get_zone_count_ptr()
85 static inline u16 *get_counter(struct recovery_journal *journal, in get_counter() argument
89 struct lock_counter *counter = &journal->lock_counter; in get_counter()
101 static atomic_t *get_decrement_counter(struct recovery_journal *journal, in get_decrement_counter() argument
104 return &journal->lock_counter.journal_decrement_counts[lock_number]; in get_decrement_counter()
114 static bool is_journal_zone_locked(struct recovery_journal *journal, in is_journal_zone_locked() argument
117 u16 journal_value = *get_counter(journal, lock_number, VDO_ZONE_TYPE_JOURNAL, 0); in is_journal_zone_locked()
118 u32 decrements = atomic_read(get_decrement_counter(journal, lock_number)); in is_journal_zone_locked()
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| H A D | slab-depot.c | 48 static inline struct journal_lock * __must_check get_lock(struct slab_journal *journal, in get_lock() argument
51 return &journal->locks[sequence_number % journal->size]; in get_lock()
66 static inline bool __must_check must_make_entries_to_flush(struct slab_journal *journal) in must_make_entries_to_flush() argument
68 return ((journal->slab->status != VDO_SLAB_REBUILDING) && in must_make_entries_to_flush()
69 vdo_waitq_has_waiters(&journal->entry_waiters)); in must_make_entries_to_flush()
78 static inline bool __must_check is_reaping(struct slab_journal *journal) in is_reaping() argument
80 return (journal->head != journal->unreapable); in is_reaping()
87 static void initialize_tail_block(struct slab_journal *journal) in initialize_tail_block() argument
89 struct slab_journal_block_header *header = &journal->tail_header; in initialize_tail_block()
91 header->sequence_number = journal->tail; in initialize_tail_block()
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| H A D | recovery-journal.h | 122 struct recovery_journal *journal; member
229 vdo_get_recovery_journal_block_number(const struct recovery_journal *journal, in vdo_get_recovery_journal_block_number() argument
236 return vdo_compute_recovery_journal_block_number(journal->size, sequence); in vdo_get_recovery_journal_block_number()
247 vdo_compute_recovery_journal_check_byte(const struct recovery_journal *journal, in vdo_compute_recovery_journal_check_byte() argument
251 return (((sequence / journal->size) & 0x7F) | 0x80); in vdo_compute_recovery_journal_check_byte()
261 void vdo_free_recovery_journal(struct recovery_journal *journal);
263 void vdo_initialize_recovery_journal_post_repair(struct recovery_journal *journal,
270 vdo_get_journal_block_map_data_blocks_used(struct recovery_journal *journal);
272 thread_id_t __must_check vdo_get_recovery_journal_thread_id(struct recovery_journal *journal);
274 void vdo_open_recovery_journal(struct recovery_journal *journal,
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| H A D | repair.c | 714 static struct packed_journal_sector * __must_check get_sector(struct recovery_journal *journal, in get_sector() argument
721 offset = ((vdo_get_recovery_journal_block_number(journal, sequence) * VDO_BLOCK_SIZE) + in get_sector()
798 struct recovery_journal *journal = vdo->recovery_journal; in add_slab_journal_entries() local
807 advance_points(repair, journal->entries_per_block)) { in add_slab_journal_entries()
1161 get_recovery_journal_block_header(struct recovery_journal *journal, char *data, in get_recovery_journal_block_header() argument
1165 vdo_get_recovery_journal_block_number(journal, sequence); in get_recovery_journal_block_header()
1183 static bool __must_check is_valid_recovery_journal_block(const struct recovery_journal *journal, in is_valid_recovery_journal_block() argument
1187 if ((header->nonce != journal->nonce) || in is_valid_recovery_journal_block()
1188 (header->recovery_count != journal->recovery_count)) in is_valid_recovery_journal_block()
1192 return (header->entry_count <= journal->entries_per_block); in is_valid_recovery_journal_block()
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| /linux/fs/jbd2/ |
| H A D | journal.c | 137 journal_t *journal = timer_container_of(journal, t, j_commit_timer); in commit_timeout() local
139 wake_up_process(journal->j_task); in commit_timeout()
162 journal_t *journal = arg; in kjournald2() local
169 timer_setup(&journal->j_commit_timer, commit_timeout, 0); in kjournald2()
174 journal->j_task = current; in kjournald2()
175 wake_up(&journal->j_wait_done_commit); in kjournald2()
188 write_lock(&journal->j_state_lock); in kjournald2()
191 if (journal->j_flags & JBD2_UNMOUNT) in kjournald2()
195 journal->j_commit_sequence, journal->j_commit_request); in kjournald2()
197 if (journal->j_commit_sequence != journal->j_commit_request) { in kjournald2()
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| H A D | checkpoint.c | 49 void __jbd2_log_wait_for_space(journal_t *journal) in __jbd2_log_wait_for_space() argument
50 __acquires(&journal->j_state_lock) in __jbd2_log_wait_for_space()
51 __releases(&journal->j_state_lock) in __jbd2_log_wait_for_space()
56 nblocks = journal->j_max_transaction_buffers; in __jbd2_log_wait_for_space()
57 while (jbd2_log_space_left(journal) < nblocks) { in __jbd2_log_wait_for_space()
58 write_unlock(&journal->j_state_lock); in __jbd2_log_wait_for_space()
59 mutex_lock_io(&journal->j_checkpoint_mutex); in __jbd2_log_wait_for_space()
72 write_lock(&journal->j_state_lock); in __jbd2_log_wait_for_space()
73 if (journal->j_flags & JBD2_ABORT) { in __jbd2_log_wait_for_space()
74 mutex_unlock(&journal->j_checkpoint_mutex); in __jbd2_log_wait_for_space()
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| H A D | commit.c | 114 static int journal_submit_commit_record(journal_t *journal, in journal_submit_commit_record() argument
126 if (is_journal_aborted(journal)) in journal_submit_commit_record()
139 if (jbd2_has_feature_checksum(journal)) { in journal_submit_commit_record()
144 jbd2_commit_block_csum_set(journal, bh); in journal_submit_commit_record()
152 if (journal->j_flags & JBD2_BARRIER && in journal_submit_commit_record()
153 !jbd2_has_feature_async_commit(journal)) in journal_submit_commit_record()
165 static int journal_wait_on_commit_record(journal_t *journal, in journal_wait_on_commit_record() argument
181 int jbd2_submit_inode_data(journal_t *journal, struct jbd2_inode *jinode) in jbd2_submit_inode_data() argument
187 return journal->j_submit_inode_data_buffers(jinode); in jbd2_submit_inode_data()
192 int jbd2_wait_inode_data(journal_t *journal, struct jbd2_inode *jinode) in jbd2_wait_inode_data() argument
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| H A D | transaction.c | 80 static void jbd2_get_transaction(journal_t *journal, in jbd2_get_transaction() argument
83 transaction->t_journal = journal; in jbd2_get_transaction()
86 transaction->t_tid = journal->j_transaction_sequence++; in jbd2_get_transaction()
87 transaction->t_expires = jiffies + journal->j_commit_interval; in jbd2_get_transaction()
90 journal->j_transaction_overhead_buffers + in jbd2_get_transaction()
91 atomic_read(&journal->j_reserved_credits)); in jbd2_get_transaction()
97 journal->j_commit_timer.expires = round_jiffies_up(transaction->t_expires); in jbd2_get_transaction()
98 add_timer(&journal->j_commit_timer); in jbd2_get_transaction()
100 J_ASSERT(journal->j_running_transaction == NULL); in jbd2_get_transaction()
101 journal->j_running_transaction = transaction; in jbd2_get_transaction()
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| H A D | revoke.c | 131 static inline int hash(journal_t *journal, unsigned long long block) in hash() argument
133 return hash_64(block, journal->j_revoke->hash_shift); in hash()
136 static int insert_revoke_hash(journal_t *journal, unsigned long long blocknr, in insert_revoke_hash() argument
151 hash_list = &journal->j_revoke->hash_table[hash(journal, blocknr)]; in insert_revoke_hash()
152 spin_lock(&journal->j_revoke_lock); in insert_revoke_hash()
154 spin_unlock(&journal->j_revoke_lock); in insert_revoke_hash()
160 static struct jbd2_revoke_record_s *find_revoke_record(journal_t *journal, in find_revoke_record() argument
166 hash_list = &journal->j_revoke->hash_table[hash(journal, blocknr)]; in find_revoke_record()
168 spin_lock(&journal->j_revoke_lock); in find_revoke_record()
172 spin_unlock(&journal->j_revoke_lock); in find_revoke_record()
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| H A D | recovery.c | 40 static int do_one_pass(journal_t *journal,
68 static void do_readahead(journal_t *journal, unsigned int start) in do_readahead() argument
77 max = start + (128 * 1024 / journal->j_blocksize); in do_readahead()
78 if (max > journal->j_total_len) in do_readahead()
79 max = journal->j_total_len; in do_readahead()
87 int err = jbd2_journal_bmap(journal, next, &blocknr); in do_readahead()
95 bh = __getblk(journal->j_dev, blocknr, journal->j_blocksize); in do_readahead()
125 static int jread(struct buffer_head **bhp, journal_t *journal, in jread() argument
134 if (offset >= journal->j_total_len) { in jread()
139 err = jbd2_journal_bmap(journal, offset, &blocknr); in jread()
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| /linux/drivers/md/bcache/ |
| H A D | journal.c | 38 struct journal_device *ja = &ca->journal; in journal_read_bucket()
42 struct jset *j, *data = ca->set->journal.w[0].data; in journal_read_bucket()
183 struct journal_device *ja = &ca->journal; in bch_journal_read()
284 c->journal.seq = list_entry(list->prev, in bch_journal_read()
297 struct journal *j = &c->journal; in bch_journal_mark()
393 void bch_journal_space_reserve(struct journal *j) in bch_journal_space_reserve()
408 if (c->journal.btree_flushing) in btree_flush_write()
411 spin_lock(&c->journal.flush_write_lock); in btree_flush_write()
412 if (c->journal.btree_flushing) { in btree_flush_write()
413 spin_unlock(&c->journal.flush_write_lock); in btree_flush_write()
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| H A D | journal.h | 104 struct journal { struct
150 (fifo_idx(&(c)->journal.pin, (l)) > fifo_idx(&(c)->journal.pin, (r)))
165 void bch_journal_next(struct journal *j);
173 void bch_journal_space_reserve(struct journal *j);
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| /linux/fs/ocfs2/ |
| H A D | journal.c | 62 static void ocfs2_queue_recovery_completion(struct ocfs2_journal *journal,
153 ocfs2_queue_recovery_completion(osb->journal, i, NULL, in ocfs2_queue_replay_slots()
313 struct ocfs2_journal *journal = NULL; in ocfs2_commit_cache() local
315 journal = osb->journal; in ocfs2_commit_cache()
318 down_write(&journal->j_trans_barrier); in ocfs2_commit_cache()
320 flushed = atomic_read(&journal->j_num_trans); in ocfs2_commit_cache()
323 up_write(&journal->j_trans_barrier); in ocfs2_commit_cache()
327 jbd2_journal_lock_updates(journal->j_journal); in ocfs2_commit_cache()
328 status = jbd2_journal_flush(journal->j_journal, 0); in ocfs2_commit_cache()
329 jbd2_journal_unlock_updates(journal->j_journal); in ocfs2_commit_cache()
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| H A D | journal.h | 78 static inline void ocfs2_set_ci_lock_trans(struct ocfs2_journal *journal, in ocfs2_set_ci_lock_trans() argument
82 ci->ci_last_trans = journal->j_trans_id; in ocfs2_set_ci_lock_trans()
94 struct ocfs2_journal *journal = in ocfs2_ci_fully_checkpointed() local
95 OCFS2_SB(ocfs2_metadata_cache_get_super(ci))->journal; in ocfs2_ci_fully_checkpointed()
98 ret = time_after(journal->j_trans_id, ci->ci_last_trans); in ocfs2_ci_fully_checkpointed()
110 struct ocfs2_journal *journal = in ocfs2_ci_is_new() local
111 OCFS2_SB(ocfs2_metadata_cache_get_super(ci))->journal; in ocfs2_ci_is_new()
114 ret = !(time_after(journal->j_trans_id, ci->ci_created_trans)); in ocfs2_ci_is_new()
137 ci->ci_created_trans = osb->journal->j_trans_id; in ocfs2_ci_set_new()
176 int ocfs2_journal_wipe(struct ocfs2_journal *journal,
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| /linux/include/linux/ |
| H A D | jbd2.h | 1269 void (*j_fc_cleanup_callback)(struct journal_s *journal, int full, tid_t tid);
1282 int (*j_fc_replay_callback)(struct journal_s *journal,
1293 int (*j_bmap)(struct journal_s *journal, sector_t *block);
1422 int jbd2_journal_get_log_tail(journal_t *journal, tid_t *tid,
1424 int __jbd2_update_log_tail(journal_t *journal, tid_t tid, unsigned long block);
1425 void jbd2_update_log_tail(journal_t *journal, tid_t tid, unsigned long block);
1433 void __jbd2_journal_clean_checkpoint_list(journal_t *journal, enum jbd2_shrink_type type);
1434 unsigned long jbd2_journal_shrink_checkpoint_list(journal_t *journal, unsigned long *nr_to_scan);
1437 void jbd2_journal_destroy_checkpoint(journal_t *journal);
1524 bool jbd2_journal_try_to_free_buffers(journal_t *journal, struct folio *folio);
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| /linux/include/trace/events/ |
| H A D | jbd2.h | 16 TP_PROTO(journal_t *journal, int result),
18 TP_ARGS(journal, result),
26 __entry->dev = journal->j_fs_dev->bd_dev;
36 TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
38 TP_ARGS(journal, commit_transaction),
47 __entry->dev = journal->j_fs_dev->bd_dev;
59 TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
61 TP_ARGS(journal, commit_transaction)
66 TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
68 TP_ARGS(journal, commit_transaction)
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| /linux/Documentation/filesystems/ext4/ |
| H A D | journal.rst | 6 Introduced in ext3, the ext4 filesystem employs a journal to protect the
8 to 10,240,000 file system blocks (see man mke2fs(8) for more details on journal
12 cache, a record of the data being committed is also written to the journal. At
13 some later point in time, the journal code writes the transactions to their
16 crash during the second slow write, the journal can be replayed all the
18 gets written through the journal to the disk. The effect of this is to
23 through the journal. This means that file data blocks are /not/
26 option to control journal behavior. If ``data=journal``, all data and
27 metadata are written to disk through the journal. This is slower but
29 disk before the metadata are written to disk through the journal.
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| /linux/Documentation/admin-guide/device-mapper/ |
| H A D | dm-integrity.rst | 12 To guarantee write atomicity, the dm-integrity target uses journal, it
13 writes sector data and integrity tags into a journal, commits the journal
29 instead of a journal. If a bit in the bitmap is 1, the corresponding
32 is faster than the journal mode, because we don't have to write the data
75 D - direct writes (without journal)
82 journal and atomicity is guaranteed. In case of crash,
90 R - recovery mode - in this mode, journal is not replayed,
106 The size of journal, this argument is used only if formatting the
124 The journal watermark in percents. When the size of the journal
125 exceeds this watermark, the thread that flushes the journal will
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| /linux/Documentation/filesystems/ |
| H A D | journalling.rst | 12 how you decide to allocate the physical media on which the journal
15 for journal stored on a raw device (in a continuous range of blocks). A
21 journal file. The journalling layer expects the space for the journal
23 When loading the journal you must call jbd2_journal_load() to process
24 journal contents. If the client file system detects the journal contents
26 may call jbd2_journal_wipe() to clear the journal contents before
31 transactions in the journal and similarly jbd2_journal_load() will
38 You still need to actually journal your filesystem changes, this is done
40 the modification of each of the buffers with calls to the journal layer,
70 jbd2_journal_destroy() to clean up your in-core journal object.
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| /linux/fs/ext4/ |
| H A D | fast_commit.c | 970 static int ext4_fc_flush_data(journal_t *journal) in ext4_fc_flush_data() argument
972 struct super_block *sb = journal->j_private; in ext4_fc_flush_data()
978 ret = jbd2_submit_inode_data(journal, READ_ONCE(ei->jinode)); in ext4_fc_flush_data()
984 ret = jbd2_wait_inode_data(journal, READ_ONCE(ei->jinode)); in ext4_fc_flush_data()
993 static int ext4_fc_commit_dentry_updates(journal_t *journal, u32 *crc) in ext4_fc_commit_dentry_updates() argument
995 struct super_block *sb = journal->j_private; in ext4_fc_commit_dentry_updates()
1042 static int ext4_fc_perform_commit(journal_t *journal) in ext4_fc_perform_commit() argument
1044 struct super_block *sb = journal->j_private; in ext4_fc_perform_commit()
1067 ret = ext4_fc_flush_data(journal); in ext4_fc_perform_commit()
1102 jbd2_journal_lock_updates(journal); in ext4_fc_perform_commit()
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| H A D | ext4_jbd2.c | 67 journal_t *journal; in ext4_journal_check_start() local
79 journal = EXT4_SB(sb)->s_journal; in ext4_journal_check_start()
85 if (journal && is_journal_aborted(journal)) { in ext4_journal_check_start()
86 ext4_abort(sb, -journal->j_errno, "Detected aborted journal"); in ext4_journal_check_start()
97 journal_t *journal; in __ext4_journal_start_sb() local
111 journal = EXT4_SB(sb)->s_journal; in __ext4_journal_start_sb()
112 if (!journal || (EXT4_SB(sb)->s_mount_state & EXT4_FC_REPLAY)) in __ext4_journal_start_sb()
114 return jbd2__journal_start(journal, blocks, rsv_blocks, revoke_creds, in __ext4_journal_start_sb()
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| H A D | fsync.c | 113 journal_t *journal = EXT4_SB(inode->i_sb)->s_journal; in ext4_fsync_journal() local
123 if (journal->j_flags & JBD2_BARRIER && in ext4_fsync_journal()
124 !jbd2_trans_will_send_data_barrier(journal, commit_tid)) in ext4_fsync_journal()
127 return ext4_fc_commit(journal, commit_tid); in ext4_fsync_journal()
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| H A D | super.c | 476 journal_t *journal = sbi->s_journal; in ext4_maybe_update_superblock() local
483 !(sb->s_flags & SB_ACTIVE) || !journal || in ext4_maybe_update_superblock()
484 journal->j_flags & JBD2_UNMOUNT) in ext4_maybe_update_superblock()
509 static void ext4_journal_commit_callback(journal_t *journal, transaction_t *txn) in ext4_journal_commit_callback() argument
511 struct super_block *sb = journal->j_private; in ext4_journal_commit_callback()
694 journal_t *journal = EXT4_SB(sb)->s_journal; in ext4_handle_error() local
701 if (!continue_fs && !ext4_emergency_ro(sb) && journal) in ext4_handle_error()
702 jbd2_journal_abort(journal, -error); in ext4_handle_error()
715 if (continue_fs && journal && in ext4_handle_error()
749 journal_t *journal = sbi->s_journal; in update_super_work() local
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| H A D | ext4_jbd2.h | 329 static inline int ext4_journal_force_commit(journal_t *journal) in ext4_journal_force_commit() argument
331 if (journal) in ext4_journal_force_commit()
332 return jbd2_journal_force_commit(journal); in ext4_journal_force_commit()
436 static inline int ext4_journal_destroy(struct ext4_sb_info *sbi, journal_t *journal) in ext4_journal_destroy() argument
455 err = jbd2_journal_destroy(journal); in ext4_journal_destroy()
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| /linux/Documentation/filesystems/gfs2/ |
| H A D | uevents.rst | 24 with no journal assigned), and read-only (with journal assigned) status
45 of journal recovery for one of the filesystems journals. It has
46 two environment variables, JID= which specifies the journal id which
49 for every journal recovered, whether it is during the initial mount
50 process or as the result of gfs_controld requesting a specific journal
100 If a journal is in use by the filesystem (journals are not
102 numeric journal id in all GFS2 uevents.
|