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/linux/fs/jfs/
H A Djfs_logmgr.c80 #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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H A Djfs_txnmgr.c151 static void diLog(struct jfs_log *log, struct tblock *tblk, struct lrd *lrd,
153 static void 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 void txLog(struct jfs_log *log, struct tblock *tblk,
166 static void xtLog(struct jfs_log * log, struct tblock * tblk, struct lrd * lrd,
353 struct jfs_log *log; in txBegin() local
356 log = JFS_SBI(sb)->log; in txBegin()
358 if (!log) { in txBegin()
372 if (test_bit(log_SYNCBARRIER, &log->flag) || in txBegin()
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H A Djfs_logmgr.h336 } 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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/linux/drivers/gpu/drm/xe/
H A Dxe_guc_log.c23 log_to_guc(struct xe_guc_log *log) in log_to_guc() argument
25 return container_of(log, struct xe_guc, log); in log_to_guc()
29 log_to_gt(struct xe_guc_log *log) in log_to_gt() argument
31 return container_of(log, struct xe_gt, uc.guc.log); in log_to_gt()
35 log_to_xe(struct xe_guc_log *log) in log_to_xe() argument
37 return gt_to_xe(log_to_gt(log)); in log_to_xe()
67 static struct xe_guc_log_snapshot *xe_guc_log_snapshot_alloc(struct xe_guc_log *log, bool atomic) in xe_guc_log_snapshot_alloc() argument
82 snapshot->size = xe_bo_size(log->bo); in xe_guc_log_snapshot_alloc()
142 struct xe_guc_log_snapshot *xe_guc_log_snapshot_capture(struct xe_guc_log *log, bool atomic) in xe_guc_log_snapshot_capture() argument
145 struct xe_device *xe = log_to_xe(log); in xe_guc_log_snapshot_capture()
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/linux/drivers/pci/pcie/
H A Dtlp.c64 unsigned int tlp_len, bool flit, struct pcie_tlp_log *log) in pcie_read_tlp_log() argument
69 if (tlp_len > ARRAY_SIZE(log->dw)) in pcie_read_tlp_log()
70 tlp_len = ARRAY_SIZE(log->dw); in pcie_read_tlp_log()
72 memset(log, 0, sizeof(*log)); in pcie_read_tlp_log()
80 ret = pci_read_config_dword(dev, off, &log->dw[i]); in pcie_read_tlp_log()
89 log->header_len = flit ? tlp_len : 4; in pcie_read_tlp_log()
90 log->flit = flit; in pcie_read_tlp_log()
107 const struct pcie_tlp_log *log, const char *level, in pcie_print_tlp_log() argument
116 log->dw[0], log->dw[1], log->dw[2], log->dw[3]); in pcie_print_tlp_log()
118 if (log->flit) { in pcie_print_tlp_log()
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/linux/drivers/gpu/drm/i915/gt/uc/
H A Dintel_guc_log_debugfs.c31 static u32 guc_log_dump_size(struct intel_guc_log *log) in guc_log_dump_size() argument
33 struct intel_guc *guc = log_to_guc(log); in guc_log_dump_size()
38 if (!log->vma) in guc_log_dump_size()
41 return obj_to_guc_log_dump_size(log->vma->obj); in guc_log_dump_size()
59 static u32 guc_load_err_dump_size(struct intel_guc_log *log) in guc_load_err_dump_size() argument
61 struct intel_guc *guc = log_to_guc(log); in guc_load_err_dump_size()
84 struct intel_guc_log *log = data; in guc_log_level_get() local
86 if (!log->vma) in guc_log_level_get()
89 *val = intel_guc_log_get_level(log); in guc_log_level_get()
96 struct intel_guc_log *log = data; in guc_log_level_set() local
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/linux/drivers/md/
H A Ddm-log.c154 struct dm_dirty_log *log; in dm_dirty_log_create() local
156 log = kmalloc(sizeof(*log), GFP_KERNEL); in dm_dirty_log_create()
157 if (!log) in dm_dirty_log_create()
162 kfree(log); in dm_dirty_log_create()
166 log->flush_callback_fn = flush_callback_fn; in dm_dirty_log_create()
167 log->type = type; in dm_dirty_log_create()
168 if (type->ctr(log, ti, argc, argv)) { in dm_dirty_log_create()
169 kfree(log); in dm_dirty_log_create()
174 return log; in dm_dirty_log_create()
178 void dm_dirty_log_destroy(struct dm_dirty_log *log) in dm_dirty_log_destroy() argument
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H A Draid5-ppl.c136 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()
253 bio_init(&io->bio, log->rdev->bdev, io->biovec, PPL_IO_INLINE_BVECS, in ppl_new_iounit()
267 static int ppl_log_stripe(struct ppl_log *log, struct stripe_head *sh) in ppl_log_stripe() argument
269 struct ppl_io_unit *io = log->current_io; in ppl_log_stripe()
280 if (io && (io->pp_size == log->entry_space || in ppl_log_stripe()
289 io = ppl_new_iounit(log, sh); in ppl_log_stripe()
292 spin_lock_irq(&log->io_list_lock); in ppl_log_stripe()
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H A Draid5-log.h7 int r5l_write_stripe(struct r5l_log *log, struct stripe_head *head_sh);
8 void r5l_write_stripe_run(struct r5l_log *log);
9 void r5l_flush_stripe_to_raid(struct r5l_log *log);
11 int r5l_handle_flush_request(struct r5l_log *log, struct bio *bio);
12 void r5l_quiesce(struct r5l_log *log, int quiesce);
14 bool r5c_is_writeback(struct r5l_log *log);
21 void r5l_wake_reclaim(struct r5l_log *log, sector_t space);
24 int r5c_cache_data(struct r5l_log *log, struct stripe_head *sh);
32 int r5l_start(struct r5l_log *log);
61 if (conf->log) { in log_stripe()
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H A Ddm-log-userspace-base.c191 static int userspace_ctr(struct dm_dirty_log *log, struct dm_target *ti, in userspace_ctr() argument
321 log->context = lc; in userspace_ctr()
327 static void userspace_dtr(struct dm_dirty_log *log) in userspace_dtr() argument
329 struct log_c *lc = log->context; in userspace_dtr()
351 static int userspace_presuspend(struct dm_dirty_log *log) in userspace_presuspend() argument
354 struct log_c *lc = log->context; in userspace_presuspend()
362 static int userspace_postsuspend(struct dm_dirty_log *log) in userspace_postsuspend() argument
365 struct log_c *lc = log->context; in userspace_postsuspend()
379 static int userspace_resume(struct dm_dirty_log *log) in userspace_resume() argument
382 struct log_c *lc = log->context; in userspace_resume()
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/linux/include/linux/
H A Ddm-dirty-log.h36 int (*ctr)(struct dm_dirty_log *log, struct dm_target *ti,
38 void (*dtr)(struct dm_dirty_log *log);
44 int (*presuspend)(struct dm_dirty_log *log);
45 int (*postsuspend)(struct dm_dirty_log *log);
46 int (*resume)(struct dm_dirty_log *log);
52 uint32_t (*get_region_size)(struct dm_dirty_log *log);
58 int (*is_clean)(struct dm_dirty_log *log, region_t region);
71 int (*in_sync)(struct dm_dirty_log *log, region_t region,
78 int (*flush)(struct dm_dirty_log *log);
86 void (*mark_region)(struct dm_dirty_log *log, region_t region);
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/linux/tools/perf/tests/shell/base_report/
H A Dtest_basic.sh26 $CMD_PERF report --help > $LOGS_DIR/basic_helpmsg.log 2> $LOGS_DIR/basic_helpmsg.err
31 "OVERHEAD\s+CALCULATION" "SEE ALSO" < $LOGS_DIR/basic_helpmsg.log
36 < $LOGS_DIR/basic_helpmsg.log
41 < $LOGS_DIR/basic_helpmsg.log
46 < $LOGS_DIR/basic_helpmsg.log
51 < $LOGS_DIR/basic_helpmsg.log
56 < $LOGS_DIR/basic_helpmsg.log
72 $CMD_PERF report -i $CURRENT_TEST_DIR/perf.data --stdio > $LOGS_DIR/basic_basic.log 2> $LOGS_DIR/ba…
81 "$REGEX_LINES_HEADER" "$REGEX_LINES" < $LOGS_DIR/basic_basic.log
94 … $CURRENT_TEST_DIR/perf.data --show-nr-samples > $LOGS_DIR/basic_nrsamples.log 2> $LOGS_DIR/basic_…
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/linux/drivers/char/tpm/eventlog/
H A Defi.c23 struct tpm_bios_log *log; in tpm_read_log_efi() local
35 log = &chip->log; in tpm_read_log_efi()
59 log->bios_event_log = devm_kmemdup(&chip->dev, log_tbl->log, log_size, GFP_KERNEL); in tpm_read_log_efi()
60 if (!log->bios_event_log) { in tpm_read_log_efi()
65 log->bios_event_log_end = log->bios_event_log + log_size; in tpm_read_log_efi()
80 devm_kfree(&chip->dev, log->bios_event_log); in tpm_read_log_efi()
95 tmp = devm_krealloc(&chip->dev, log->bios_event_log, in tpm_read_log_efi()
99 devm_kfree(&chip->dev, log->bios_event_log); in tpm_read_log_efi()
104 log->bios_event_log = tmp; in tpm_read_log_efi()
111 memcpy((void *)log->bios_event_log + log_size, in tpm_read_log_efi()
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H A Dof.c34 chip->log.bios_event_log = devm_memremap(&chip->dev, res.start, resource_size(&res), in tpm_read_log_memory_region()
36 if (IS_ERR(chip->log.bios_event_log)) in tpm_read_log_memory_region()
39 chip->log.bios_event_log_end = chip->log.bios_event_log + resource_size(&res); in tpm_read_log_memory_region()
50 struct tpm_bios_log *log; in tpm_read_log_of() local
54 log = &chip->log; in tpm_read_log_of()
93 log->bios_event_log = devm_kmemdup(&chip->dev, __va(base), size, GFP_KERNEL); in tpm_read_log_of()
94 if (!log->bios_event_log) in tpm_read_log_of()
97 log->bios_event_log_end = log->bios_event_log + size; in tpm_read_log_of()
/linux/Documentation/admin-guide/device-mapper/
H A Dlog-writes.rst2 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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H A Ddm-log.rst16 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/tools/testing/selftests/rcutorture/bin/
H A Dkvm-series.sh42 git log --pretty=format:"%h" "${commit_list}" > $T/commits
68 echo " --- " $scriptname $args | tee -a $T/log
69 echo " --- Results directory: " $ds | tee -a $T/log
77 echo Starting ${config}/${sha1} at `date` | tee -a $T/log
100 echo ${nsuccess} SUCCESSES: | tee -a $T/log
101 echo ${successlist} | fmt | tee -a $T/log
102 echo | tee -a $T/log
103 echo ${nfail} FAILURES: | tee -a $T/log
104 echo ${faillist} | fmt | tee -a $T/log
107 echo | tee -a $T/log
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H A Dtorture.sh267 echo " --- " $scriptname $args | tee -a $T/log
268 echo " --- Results directory: " $ds | tee -a $T/log
276 echo " --- Everything disabled, so explicit --do-normal overridden" | tee -a $T/log
289 echo " --- Zero time for rcutorture, disabling" | tee -a $T/log
301 echo " --- Zero time for locktorture, disabling" | tee -a $T/log
313 echo " --- Zero time for scftorture, disabling" | tee -a $T/log
340 echo " --- $curflavor:" Start `date` | tee -a $T/log
351 cat $T/$curflavor.out | tee -a $T/log
352 echo retcode=$retcode | tee -a $T/log
420 echo " --- allmodconfig:" Start `date` | tee -a $T/log
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/linux/tools/testing/selftests/amd-pstate/
H A Dgitsource.sh63 rm -rf $OUTFILE_GIT*.log
91 …KUP_DIR/$OUTFILE_GIT.time-gitsource-$1-$2.log make test -j$MAKE_CPUS > $BACKUP_DIR/$OUTFILE_GIT-pe…
104 … results/tracer-gitsource-$1-$2/cpu.csv | sed -e '1d' | sed s/,// > $OUTFILE_GIT-des-perf-$1-$2.log
105 …perf=$(awk 'BEGIN {i=0; sum=0};{i++; sum += $1};END {print sum/i}' $OUTFILE_GIT-des-perf-$1-$2.log)
108 …$7}' results/tracer-gitsource-$1-$2/cpu.csv | sed -e '1d' | sed s/,// > $OUTFILE_GIT-freq-$1-$2.log
109 avg_freq=$(awk 'BEGIN {i=0; sum=0};{i++; sum += $1};END {print sum/i}' $OUTFILE_GIT-freq-$1-$2.log)
112 …11}' results/tracer-gitsource-$1-$2/cpu.csv | sed -e '1d' | sed s/,// > $OUTFILE_GIT-load-$1-$2.log
113 avg_load=$(awk 'BEGIN {i=0; sum=0};{i++; sum += $1};END {print sum/i}' $OUTFILE_GIT-load-$1-$2.log)
116 … user $OUTFILE_GIT.time-gitsource-$1-$2.log | awk '{print $1}' | sed -e 's/user//' > $OUTFILE_GIT-…
117 time_sum=$(awk 'BEGIN {sum=0};{sum += $1};END {print sum}' $OUTFILE_GIT-time-$1-$2.log)
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H A Dtbench.sh58 rm -rf $OUTFILE_TBENCH*.log
71 … 1000 -e power/energy-pkg/ tbench -t $TIME_LIMIT $PROCESS_NUM > $OUTFILE_TBENCH-perf-$1-$2.log 2>&1
86 … results/tracer-tbench-$1-$2/cpu.csv | sed -e '1d' | sed s/,// > $OUTFILE_TBENCH-des-perf-$1-$2.log
87 …f=$(awk 'BEGIN {i=0; sum=0};{i++; sum += $1};END {print sum/i}' $OUTFILE_TBENCH-des-perf-$1-$2.log)
90 …$7}' results/tracer-tbench-$1-$2/cpu.csv | sed -e '1d' | sed s/,// > $OUTFILE_TBENCH-freq-$1-$2.log
91 …_freq=$(awk 'BEGIN {i=0; sum=0};{i++; sum += $1};END {print sum/i}' $OUTFILE_TBENCH-freq-$1-$2.log)
94 …11}' results/tracer-tbench-$1-$2/cpu.csv | sed -e '1d' | sed s/,// > $OUTFILE_TBENCH-load-$1-$2.log
95 …_load=$(awk 'BEGIN {i=0; sum=0};{i++; sum += $1};END {print sum/i}' $OUTFILE_TBENCH-load-$1-$2.log)
98 …grep Throughput $OUTFILE_TBENCH-perf-$1-$2.log | awk '{print $2}' > $OUTFILE_TBENCH-throughput-$1-…
99 tp_sum=$(awk 'BEGIN {sum=0};{sum += $1};END {print sum}' $OUTFILE_TBENCH-throughput-$1-$2.log)
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/linux/Documentation/ABI/testing/
H A Dsysfs-fs-xfs1 What: /sys/fs/xfs/<disk>/log/log_head_lsn
6 The log sequence number (LSN) of the current head of the
7 log. The LSN is exported in "cycle:basic block" format.
10 What: /sys/fs/xfs/<disk>/log/log_tail_lsn
15 The log sequence number (LSN) of the current tail of the
16 log. The LSN is exported in "cycle:basic block" format.
18 What: /sys/fs/xfs/<disk>/log/reserve_grant_head_bytes
23 The current state of the log reserve grant head. It
24 represents the total log reservation of all currently
28 What: /sys/fs/xfs/<disk>/log/write_grant_head_bytes
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/linux/tools/testing/selftests/powerpc/eeh/
H A Deeh-functions.sh6 log() { function
56 log "debugfs EEH testing files are missing. Is debugfs mounted?"
68 log "$dev, Skipped: bridge"
77 log "$dev, Skipped: ahci doesn't support recovery"
87 log "$dev, Skipped: Bad initial PE state"
101 log "Error: '$dev' must be a sysfs device name (DDDD:BB:DD.F)"
125 log "$dev, waited $i/${max_wait}"
130 log "$dev, Failed to recover!"
134 log "$dev, Recovered after $i seconds"
208 log "Unable to enable VFs on $pf, skipping"
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/linux/fs/xfs/
H A Dxfs_buf_item_recover.c37 #define XLOG_BUF_CANCEL_BUCKET(log, blkno) \ argument
38 ((log)->l_buf_cancel_table + ((uint64_t)blkno % XLOG_BC_TABLE_SIZE))
53 struct xlog *log, in xlog_find_buffer_cancelled() argument
60 if (!log->l_buf_cancel_table) in xlog_find_buffer_cancelled()
63 bucket = XLOG_BUF_CANCEL_BUCKET(log, blkno); in xlog_find_buffer_cancelled()
74 struct xlog *log, in xlog_add_buffer_cancelled() argument
87 bcp = xlog_find_buffer_cancelled(log, blkno, len); in xlog_add_buffer_cancelled()
97 list_add_tail(&bcp->bc_list, XLOG_BUF_CANCEL_BUCKET(log, blkno)); in xlog_add_buffer_cancelled()
106 struct xlog *log, in xlog_is_buffer_cancelled() argument
110 return xlog_find_buffer_cancelled(log, blkno, len) != NULL; in xlog_is_buffer_cancelled()
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H A Dxfs_dquot_item_recover.c26 struct xlog *log, in xlog_recover_dquot_ra_pass2() argument
29 struct xfs_mount *mp = log->l_mp; in xlog_recover_dquot_ra_pass2()
45 if (log->l_quotaoffs_flag & type) in xlog_recover_dquot_ra_pass2()
52 xlog_buf_readahead(log, dq_f->qlf_blkno, in xlog_recover_dquot_ra_pass2()
62 struct xlog *log, in xlog_recover_dquot_commit_pass2() argument
67 struct xfs_mount *mp = log->l_mp; in xlog_recover_dquot_commit_pass2()
84 xfs_alert(log->l_mp, "NULL dquot in %s.", __func__); in xlog_recover_dquot_commit_pass2()
88 xfs_alert(log->l_mp, "dquot too small (%zd) in %s.", in xlog_recover_dquot_commit_pass2()
98 if (log->l_quotaoffs_flag & type) in xlog_recover_dquot_commit_pass2()
157 fa = xfs_dqblk_verify(log->l_mp, dqb, dq_f->qlf_id); in xlog_recover_dquot_commit_pass2()
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/linux/Documentation/ABI/stable/
H A Dsysfs-firmware-opal-elog5 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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