| /Linux-v5.4/fs/jfs/ |
| D | jfs_logmgr.c | 80 #define LOG_LOCK_INIT(log) mutex_init(&(log)->loglock) argument
81 #define LOG_LOCK(log) mutex_lock(&((log)->loglock)) argument
82 #define LOG_UNLOCK(log) mutex_unlock(&((log)->loglock)) argument
89 #define LOGGC_LOCK_INIT(log) spin_lock_init(&(log)->gclock) argument
90 #define LOGGC_LOCK(log) spin_lock_irq(&(log)->gclock) argument
91 #define LOGGC_UNLOCK(log) spin_unlock_irq(&(log)->gclock) argument
163 static int lmWriteRecord(struct jfs_log * log, struct tblock * tblk,
166 static int lmNextPage(struct jfs_log * log);
167 static int lmLogFileSystem(struct jfs_log * log, struct jfs_sb_info *sbi,
172 static int lbmLogInit(struct jfs_log * log);
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| D | jfs_txnmgr.c | 151 static int diLog(struct jfs_log * log, struct tblock * tblk, struct lrd * lrd,
153 static int dataLog(struct jfs_log * log, struct tblock * tblk, struct lrd * lrd,
155 static void dtLog(struct jfs_log * log, struct tblock * tblk, struct lrd * lrd,
157 static void mapLog(struct jfs_log * log, struct tblock * tblk, struct lrd * lrd,
162 static int txLog(struct jfs_log * log, struct tblock * tblk,
166 static void xtLog(struct jfs_log * log, struct tblock * tblk, struct lrd * lrd,
352 struct jfs_log *log; in txBegin() local
355 log = JFS_SBI(sb)->log; in txBegin()
366 if (test_bit(log_SYNCBARRIER, &log->flag) || in txBegin()
367 test_bit(log_QUIESCE, &log->flag)) { in txBegin()
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| D | jfs_logmgr.h | 336 } log; member
477 #define LOGSYNC_LOCK_INIT(log) spin_lock_init(&(log)->synclock) argument
478 #define LOGSYNC_LOCK(log, flags) spin_lock_irqsave(&(log)->synclock, flags) argument
479 #define LOGSYNC_UNLOCK(log, flags) \ argument
480 spin_unlock_irqrestore(&(log)->synclock, flags)
483 #define logdiff(diff, lsn, log)\ argument
485 diff = (lsn) - (log)->syncpt;\
487 diff += (log)->logsize;\
492 extern int lmLogShutdown(struct jfs_log * log);
493 extern int lmLogInit(struct jfs_log * log);
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| D | jfs_umount.c | 44 struct jfs_log *log; in jfs_umount() local
54 if ((log = sbi->log)) in jfs_umount()
58 jfs_flush_journal(log, 2); in jfs_umount()
108 if (log) { /* log = NULL if read-only mount */ in jfs_umount()
126 struct jfs_log *log = sbi->log; in jfs_umount_rw() local
128 if (!log) in jfs_umount_rw()
136 jfs_flush_journal(log, 2); in jfs_umount_rw()
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| /Linux-v5.4/drivers/gpu/drm/i915/gt/uc/ |
| D | intel_guc_log.c | 13 static void guc_log_capture_logs(struct intel_guc_log *log);
58 static inline struct intel_guc *log_to_guc(struct intel_guc_log *log) in log_to_guc() argument
60 return container_of(log, struct intel_guc, log); in log_to_guc()
63 static void guc_log_enable_flush_events(struct intel_guc_log *log) in guc_log_enable_flush_events() argument
65 intel_guc_enable_msg(log_to_guc(log), in guc_log_enable_flush_events()
70 static void guc_log_disable_flush_events(struct intel_guc_log *log) in guc_log_disable_flush_events() argument
72 intel_guc_disable_msg(log_to_guc(log), in guc_log_disable_flush_events()
148 static void guc_move_to_next_buf(struct intel_guc_log *log) in guc_move_to_next_buf() argument
157 relay_reserve(log->relay.channel, log->vma->obj->base.size); in guc_move_to_next_buf()
160 relay_flush(log->relay.channel); in guc_move_to_next_buf()
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| D | intel_guc_log.h | 63 void intel_guc_log_init_early(struct intel_guc_log *log);
64 int intel_guc_log_create(struct intel_guc_log *log);
65 void intel_guc_log_destroy(struct intel_guc_log *log);
67 int intel_guc_log_set_level(struct intel_guc_log *log, u32 level);
68 bool intel_guc_log_relay_enabled(const struct intel_guc_log *log);
69 int intel_guc_log_relay_open(struct intel_guc_log *log);
70 void intel_guc_log_relay_flush(struct intel_guc_log *log);
71 void intel_guc_log_relay_close(struct intel_guc_log *log);
73 void intel_guc_log_handle_flush_event(struct intel_guc_log *log);
75 static inline u32 intel_guc_log_get_level(struct intel_guc_log *log) in intel_guc_log_get_level() argument
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| /Linux-v5.4/drivers/md/ |
| D | raid5-cache.c | 212 struct r5l_log *log; member
252 bool r5c_is_writeback(struct r5l_log *log) in r5c_is_writeback() argument
254 return (log != NULL && in r5c_is_writeback()
255 log->r5c_journal_mode == R5C_JOURNAL_MODE_WRITE_BACK); in r5c_is_writeback()
258 static sector_t r5l_ring_add(struct r5l_log *log, sector_t start, sector_t inc) in r5l_ring_add() argument
261 if (start >= log->device_size) in r5l_ring_add()
262 start = start - log->device_size; in r5l_ring_add()
266 static sector_t r5l_ring_distance(struct r5l_log *log, sector_t start, in r5l_ring_distance() argument
272 return end + log->device_size - start; in r5l_ring_distance()
275 static bool r5l_has_free_space(struct r5l_log *log, sector_t size) in r5l_has_free_space() argument
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| D | dm-log.c | 153 struct dm_dirty_log *log; in dm_dirty_log_create() local
155 log = kmalloc(sizeof(*log), GFP_KERNEL); in dm_dirty_log_create()
156 if (!log) in dm_dirty_log_create()
161 kfree(log); in dm_dirty_log_create()
165 log->flush_callback_fn = flush_callback_fn; in dm_dirty_log_create()
166 log->type = type; in dm_dirty_log_create()
167 if (type->ctr(log, ti, argc, argv)) { in dm_dirty_log_create()
168 kfree(log); in dm_dirty_log_create()
173 return log; in dm_dirty_log_create()
177 void dm_dirty_log_destroy(struct dm_dirty_log *log) in dm_dirty_log_destroy() argument
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| D | raid5-log.h | 7 extern int r5l_write_stripe(struct r5l_log *log, struct stripe_head *head_sh);
8 extern void r5l_write_stripe_run(struct r5l_log *log);
9 extern void r5l_flush_stripe_to_raid(struct r5l_log *log);
11 extern int r5l_handle_flush_request(struct r5l_log *log, struct bio *bio);
12 extern void r5l_quiesce(struct r5l_log *log, int quiesce);
14 extern bool r5c_is_writeback(struct r5l_log *log);
23 extern void r5l_wake_reclaim(struct r5l_log *log, sector_t space);
26 extern int r5c_cache_data(struct r5l_log *log, struct stripe_head *sh);
35 extern int r5l_start(struct r5l_log *log);
47 extern int ppl_handle_flush_request(struct r5l_log *log, struct bio *bio);
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| D | raid5-ppl.c | 136 struct ppl_log *log; member
232 static struct ppl_io_unit *ppl_new_iounit(struct ppl_log *log, in ppl_new_iounit() argument
235 struct ppl_conf *ppl_conf = log->ppl_conf; in ppl_new_iounit()
248 io->log = log; in ppl_new_iounit()
266 static int ppl_log_stripe(struct ppl_log *log, struct stripe_head *sh) in ppl_log_stripe() argument
268 struct ppl_io_unit *io = log->current_io; in ppl_log_stripe()
279 if (io && (io->pp_size == log->entry_space || in ppl_log_stripe()
288 io = ppl_new_iounit(log, sh); in ppl_log_stripe()
291 spin_lock_irq(&log->io_list_lock); in ppl_log_stripe()
292 list_add_tail(&io->log_sibling, &log->io_list); in ppl_log_stripe()
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| D | dm-log-userspace-base.c | 190 static int userspace_ctr(struct dm_dirty_log *log, struct dm_target *ti, in userspace_ctr() argument
320 log->context = lc; in userspace_ctr()
326 static void userspace_dtr(struct dm_dirty_log *log) in userspace_dtr() argument
328 struct log_c *lc = log->context; in userspace_dtr()
352 static int userspace_presuspend(struct dm_dirty_log *log) in userspace_presuspend() argument
355 struct log_c *lc = log->context; in userspace_presuspend()
363 static int userspace_postsuspend(struct dm_dirty_log *log) in userspace_postsuspend() argument
366 struct log_c *lc = log->context; in userspace_postsuspend()
380 static int userspace_resume(struct dm_dirty_log *log) in userspace_resume() argument
383 struct log_c *lc = log->context; in userspace_resume()
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| /Linux-v5.4/fs/xfs/ |
| D | xfs_log.c | 29 struct xlog *log,
42 struct xlog *log,
46 struct xlog *log);
54 struct xlog *log,
62 struct xlog *log,
66 struct xlog *log,
71 struct xlog *log,
76 struct xlog *log,
80 struct xlog *log,
84 struct xlog *log,
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| D | xfs_log_recover.c | 52 #define xlog_recover_check_summary(log) argument
80 struct xlog *log, in xlog_verify_bno() argument
84 if (blk_no < 0 || blk_no >= log->l_logBBsize) in xlog_verify_bno()
86 if (bbcount <= 0 || (blk_no + bbcount) > log->l_logBBsize) in xlog_verify_bno()
97 struct xlog *log, in xlog_alloc_buffer() argument
100 int align_mask = xfs_buftarg_dma_alignment(log->l_targ); in xlog_alloc_buffer()
106 if (!xlog_verify_bno(log, 0, nbblks)) { in xlog_alloc_buffer()
107 xfs_warn(log->l_mp, "Invalid block length (0x%x) for buffer", in xlog_alloc_buffer()
109 XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_HIGH, log->l_mp); in xlog_alloc_buffer()
127 if (nbblks > 1 && log->l_sectBBsize > 1) in xlog_alloc_buffer()
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| D | xfs_log_priv.h | 332 #define XLOG_CIL_SPACE_LIMIT(log) (log->l_logsize >> 3) argument
409 #define XLOG_BUF_CANCEL_BUCKET(log, blkno) \ argument
410 ((log)->l_buf_cancel_table + ((uint64_t)blkno % XLOG_BC_TABLE_SIZE))
412 #define XLOG_FORCED_SHUTDOWN(log) ((log)->l_flags & XLOG_IO_ERROR) argument
417 struct xlog *log);
420 struct xlog *log);
424 extern __le32 xlog_cksum(struct xlog *log, struct xlog_rec_header *rhead,
430 struct xlog *log,
450 struct xlog *log,
515 int xlog_cil_init(struct xlog *log);
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| D | xfs_log_cil.c | 36 struct xlog *log) in xlog_cil_ticket_alloc() argument
40 tic = xlog_ticket_alloc(log, 0, 1, XFS_TRANSACTION, 0, in xlog_cil_ticket_alloc()
63 struct xlog *log) in xlog_cil_init_post_recovery() argument
65 log->l_cilp->xc_ctx->ticket = xlog_cil_ticket_alloc(log); in xlog_cil_init_post_recovery()
66 log->l_cilp->xc_ctx->sequence = 1; in xlog_cil_init_post_recovery()
126 struct xlog *log, in xlog_cil_alloc_shadow_bufs() argument
226 struct xlog *log, in xfs_cil_prepare_item() argument
267 lv->lv_item->li_seq = log->l_cilp->xc_ctx->sequence; in xfs_cil_prepare_item()
300 struct xlog *log, in xlog_cil_insert_format_items() argument
375 xfs_cil_prepare_item(log, lv, old_lv, diff_len, diff_iovecs); in xlog_cil_insert_format_items()
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| /Linux-v5.4/include/linux/ |
| D | dm-dirty-log.h | 35 int (*ctr)(struct dm_dirty_log *log, struct dm_target *ti,
37 void (*dtr)(struct dm_dirty_log *log);
43 int (*presuspend)(struct dm_dirty_log *log);
44 int (*postsuspend)(struct dm_dirty_log *log);
45 int (*resume)(struct dm_dirty_log *log);
51 uint32_t (*get_region_size)(struct dm_dirty_log *log);
57 int (*is_clean)(struct dm_dirty_log *log, region_t region);
70 int (*in_sync)(struct dm_dirty_log *log, region_t region,
77 int (*flush)(struct dm_dirty_log *log);
85 void (*mark_region)(struct dm_dirty_log *log, region_t region);
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| /Linux-v5.4/drivers/char/tpm/eventlog/ |
| D | efi.c | 21 struct tpm_bios_log *log; in tpm_read_log_efi() local
33 log = &chip->log; in tpm_read_log_efi()
52 log->bios_event_log = kmemdup(log_tbl->log, log_size, GFP_KERNEL); in tpm_read_log_efi()
53 if (!log->bios_event_log) { in tpm_read_log_efi()
58 log->bios_event_log_end = log->bios_event_log + log_size; in tpm_read_log_efi()
73 kfree(log->bios_event_log); in tpm_read_log_efi()
80 tmp = krealloc(log->bios_event_log, in tpm_read_log_efi()
84 kfree(log->bios_event_log); in tpm_read_log_efi()
89 log->bios_event_log = tmp; in tpm_read_log_efi()
96 memcpy((void *)log->bios_event_log + log_size, in tpm_read_log_efi()
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| D | acpi.c | 51 struct tpm_bios_log *log; in tpm_read_log_acpi() local
56 log = &chip->log; in tpm_read_log_acpi()
88 log->bios_event_log = kmalloc(len, GFP_KERNEL); in tpm_read_log_acpi()
89 if (!log->bios_event_log) in tpm_read_log_acpi()
92 log->bios_event_log_end = log->bios_event_log + len; in tpm_read_log_acpi()
98 memcpy_fromio(log->bios_event_log, virt, len); in tpm_read_log_acpi()
104 kfree(log->bios_event_log); in tpm_read_log_acpi()
105 log->bios_event_log = NULL; in tpm_read_log_acpi()
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| /Linux-v5.4/tools/testing/selftests/bpf/ |
| D | test_verifier_log.c | 48 static int load(char *log, size_t log_len, int log_level) in load() argument
57 attr.log_buf = ptr_to_u64(log); in load()
88 static void test_log_good(char *log, size_t buf_len, size_t log_len, in test_log_good() argument
94 memset(log, 1, buf_len); in test_log_good()
96 ret = load(log, log_len, 1); in test_log_good()
99 len = strnlen(log, buf_len); in test_log_good()
110 if (strchr(log, 1)) { in test_log_good()
115 check_ones(log + len + 1, buf_len - len - 1, in test_log_good()
118 if (memcmp(full_log, log, LOG_SIZE)) { in test_log_good()
124 static void test_log_bad(char *log, size_t log_len, int log_level) in test_log_bad() argument
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| /Linux-v5.4/Documentation/admin-guide/device-mapper/ |
| D | log-writes.rst | 2 dm-log-writes
5 This target takes 2 devices, one to pass all IO to normally, and one to log all
9 able to take arbitrary data from userspace to insert into the log. The data
10 that is in the WRITE requests is copied into the log to make the replay happen
16 We log things in order of completion once we are sure the write is no longer in
19 the log in a way that correlates to what is on disk and not what is in cache,
24 the FLUSH request completes we log all of the WRITEs and then the FLUSH. Only
31 The log would show the following:
52 which isn't quite what happened and wouldn't be caught during the log replay.
59 log-writes <dev_path> <log_dev_path>
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| D | dm-log.rst | 16 dm_dirty_log_type in include/linux/dm-dirty-log.h). Various different
23 disk drivers/md/dm-log.c
24 core drivers/md/dm-log.c
25 userspace drivers/md/dm-log-userspace* include/linux/dm-log-userspace.h
28 The "disk" log type
30 This log implementation commits the log state to disk. This way, the
33 The "core" log type
35 This log implementation keeps the log state in memory. The log state
38 available for storing log state.
40 The "userspace" log type
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| /Linux-v5.4/Documentation/filesystems/ |
| D | xfs-delayed-logging-design.txt | 11 logged. The reason for these differences is to reduce the amount of log space
18 modifications to a single object to be carried in the log at any given time.
19 This allows the log to avoid needing to flush each change to disk before
23 changes in the new transaction that is written to the log.
26 written to disk after change D, we would see in the log the following series
27 of transactions, their contents and the log sequence number (LSN) of the
40 the aggregation of all the previous changes currently held only in the log.
42 This relogging technique also allows objects to be moved forward in the log so
43 that an object being relogged does not prevent the tail of the log from ever
46 direct encoding of the location in the log of the transaction.
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| /Linux-v5.4/tools/perf/tests/ |
| D | attr.py | 95 log.debug(" %s = %s" % (key, val))
99 log.debug(" Event %s" % name);
107 log.debug(" [%s] %s %s" % (t, self[t], other[t]));
124 log.warning("expected %s=%s, got %s" % (t, self[t], other[t]))
145 log.warning("running '%s'" % path)
160 log.warning("test limitation '%s'" % self.arch)
166 log.debug(" loading expected events");
187 log.warning("excluded architecture list %s" % arch_list)
232 log.info(" '%s' ret '%s', expected '%s'" % (cmd, str(ret), str(self.ret)))
240 log.debug(" compare");
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| /Linux-v5.4/Documentation/ABI/testing/ |
| D | sysfs-fs-xfs | 1 What: /sys/fs/xfs/<disk>/log/log_head_lsn
6 The log sequence number (LSN) of the current head of the
7 log. The LSN is exported in "cycle:basic block" format.
10 What: /sys/fs/xfs/<disk>/log/log_tail_lsn
15 The log sequence number (LSN) of the current tail of the
16 log. The LSN is exported in "cycle:basic block" format.
18 What: /sys/fs/xfs/<disk>/log/reserve_grant_head
23 The current state of the log reserve grant head. It
24 represents the total log reservation of all currently
29 What: /sys/fs/xfs/<disk>/log/write_grant_head
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| /Linux-v5.4/Documentation/ABI/stable/ |
| D | sysfs-firmware-opal-elog | 5 This directory exposes error log entries retrieved
8 Each error log is identified by a unique ID and will
11 Each log entry has a directory in /sys/firmware/opal/elog.
15 Linux if there is no room for more log entries.
17 In the event that Linux has retrieved the log entries
19 the service processor needs more room for log entries,
20 the only remaining copy of a log message may be in
26 The service processor may be able to store more log
31 The raw log format is a binary format. We currently
38 For each log entry (directory), there are the following
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