| /linux/fs/jfs/ |
| H A D | jfs_logmgr.c | 8 * jfs_logmgr.c: log manager
15 * log buffer manager:
16 * special purpose buffer manager supporting log i/o requirements.
17 * per log serial pageout of logpage
25 * log page during the pageout of previous/current log page(s) are
29 * transactions are committed asynchronously when the log page
33 * . a per log lock serialize log write.
34 * . a per log lock serialize group commit.
35 * . a per log lock serialize log open/close;
37 * TBD log integrity:
[all …]
|
| H A D | jfs_logmgr.h | 15 * log manager configuration parameters
18 /* log page size */
22 #define LOGPAGES 16 /* Log pages per mounted file system */
25 * log logical volume
27 * a log is used to make the commit operation on journalled
29 * a log is implemented with a logical volume.
30 * there is one log per logical volume group.
32 * block 0 of the log logical volume is not used (ipl etc).
33 * block 1 contains a log "superblock" and is used by logFormat(),
35 * of the log but is not otherwise used during normal processing.
[all …]
|
| H A D | jfs_umount.c | 44 struct jfs_log *log; in jfs_umount() local
50 * update superblock and close log in jfs_umount()
52 * if mounted read-write and log based recovery was enabled in jfs_umount()
54 if ((log = sbi->log)) in jfs_umount()
56 * Wait for outstanding transactions to be written to log: in jfs_umount()
58 jfs_flush_journal(log, 2); in jfs_umount()
103 * consistent state) and log superblock active file system in jfs_umount()
106 if (log) { /* log = NULL if read-only mount */ in jfs_umount()
110 * close log: in jfs_umount()
112 * remove file system from log active file system list. in jfs_umount()
[all …]
|
| /linux/fs/xfs/ |
| H A D | xfs_log.c | 36 struct xlog *log);
42 struct xlog *log);
45 struct xlog *log,
52 struct xlog *log,
58 struct xlog *log,
63 struct xlog *log,
72 struct xlog *log);
82 * However, this padding does not get written into the log, and hence we have to
83 * track the space used by the log vectors separately to prevent log space hangs
84 * due to inaccurate accounting (i.e. a leak) of the used log space through the
[all …]
|
| H A D | xfs_log_recover.c | 51 * Verify the log-relative block number and length in basic blocks are valid for
52 * an operation involving the given XFS log buffer. Returns true if the fields
57 struct xlog *log, in xlog_verify_bno() argument
61 if (blk_no < 0 || blk_no >= log->l_logBBsize) in xlog_verify_bno()
63 if (bbcount <= 0 || (blk_no + bbcount) > log->l_logBBsize) in xlog_verify_bno()
69 * Allocate a buffer to hold log data. The buffer needs to be able to map to
70 * a range of nbblks basic blocks at any valid offset within the log.
74 struct xlog *log, in xlog_alloc_buffer() argument
78 * Pass log block 0 since we don't have an addr yet, buffer will be in xlog_alloc_buffer()
81 if (XFS_IS_CORRUPT(log->l_mp, !xlog_verify_bno(log, 0, nbblks))) { in xlog_alloc_buffer()
[all …]
|
| H A D | xfs_log_priv.h | 34 * In core log state
37 XLOG_STATE_ACTIVE, /* Current IC log being written to */
39 XLOG_STATE_SYNCING, /* This IC log is syncing */
42 XLOG_STATE_DIRTY, /* Dirty IC log, not ready for ACTIVE status */
54 * In core log flags
65 * Log ticket flags
75 * log write such that no allocation transactions will be re-done during
77 * log write.
79 * These states are used to insert dummy log entries to cover
92 * in the log record header needs to point beyond the last possible
[all …]
|
| H A D | xfs_log_cil.c | 35 struct xlog *log) in xlog_cil_ticket_alloc() argument
39 tic = xlog_ticket_alloc(log, 0, 1, 0); in xlog_cil_ticket_alloc()
53 struct xlog *log = cil->xc_log; in xlog_cil_set_iclog_hdr_count() local
56 (XLOG_CIL_BLOCKING_SPACE_LIMIT(log) / in xlog_cil_set_iclog_hdr_count()
57 (log->l_iclog_size - log->l_iclog_hsize))); in xlog_cil_set_iclog_hdr_count()
61 * Check if the current log item was first committed in this sequence.
62 * We can't rely on just the log item being in the CIL, we have to check
78 * li_seq is written on the first commit of a log item to record the in xlog_item_in_current_chkpt()
194 * After the first stage of log recovery is done, we know where the head and
195 * tail of the log are. We need this log initialisation done before we can
[all …]
|
| /linux/drivers/gpu/drm/xe/ |
| H A D | xe_guc_log.c | 23 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()
43 * GuC Log buffer Layout in guc_log_size()
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
78 * NB: kmalloc has a hard limit well below the maximum GuC log buffer size. in xe_guc_log_snapshot_alloc()
82 snapshot->size = xe_bo_size(log->bo); in xe_guc_log_snapshot_alloc()
[all …]
|
| /linux/drivers/pci/pcie/ |
| H A D | tlp.c | 3 * PCIe TLP Log handling
17 * aer_tlp_log_len - Calculate AER Capability TLP Header/Prefix Log length
21 * Return: TLP Header/Prefix Log length
35 * dpc_tlp_log_len - Calculate DPC RP PIO TLP Header/Prefix Log length
38 * Return: TLP Header/Prefix Log length
42 /* Remove ImpSpec Log register from the count */ in dpc_tlp_log_len()
51 * pcie_read_tlp_log - read TLP Header Log
53 * @where: PCI Config offset of TLP Header Log
54 * @where2: PCI Config offset of TLP Prefix Log
55 * @tlp_len: TLP Log length (Header Log + TLP Prefix Log in DWORDs)
[all …]
|
| /linux/drivers/char/tpm/eventlog/ |
| H A D | efi.c | 16 /* read binary bios log from EFI configuration table */
23 struct tpm_bios_log *log; in tpm_read_log_efi() local
35 log = &chip->log; in tpm_read_log_efi()
39 pr_err("Could not map UEFI TPM log table !\n"); in tpm_read_log_efi()
47 pr_warn("UEFI TPM log area empty\n"); in tpm_read_log_efi()
54 pr_err("Could not map UEFI TPM log table payload!\n"); 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()
79 pr_err("Could not map UEFI TPM final log\n"); in tpm_read_log_efi()
[all …]
|
| /linux/kernel/bpf/ |
| H A D | log.c | 16 static bool bpf_verifier_log_attr_valid(const struct bpf_verifier_log *log) in bpf_verifier_log_attr_valid() argument
19 if (!!log->ubuf != !!log->len_total) in bpf_verifier_log_attr_valid()
21 /* log buf without log_level is meaningless */ in bpf_verifier_log_attr_valid()
22 if (log->ubuf && log->level == 0) in bpf_verifier_log_attr_valid()
24 if (log->level & ~BPF_LOG_MASK) in bpf_verifier_log_attr_valid()
26 if (log->len_total > UINT_MAX >> 2) in bpf_verifier_log_attr_valid()
31 int bpf_vlog_init(struct bpf_verifier_log *log, u32 log_level, in bpf_vlog_init() argument
34 log in bpf_vlog_init()
45 bpf_vlog_update_len_max(struct bpf_verifier_log * log,u32 add_len) bpf_vlog_update_len_max() argument
60 bpf_verifier_vlog(struct bpf_verifier_log * log,const char * fmt,va_list args) bpf_verifier_vlog() argument
149 bpf_vlog_reset(struct bpf_verifier_log * log,u64 new_pos) bpf_vlog_reset() argument
188 bpf_vlog_reverse_ubuf(struct bpf_verifier_log * log,int start,int end) bpf_vlog_reverse_ubuf() argument
226 bpf_vlog_finalize(struct bpf_verifier_log * log,u32 * log_size_actual) bpf_vlog_finalize() argument
318 bpf_log(struct bpf_verifier_log * log,const char * fmt,...) bpf_log() argument
[all...] |
| /linux/Documentation/admin-guide/device-mapper/ |
| H A 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
13 Log Ordering
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.
[all …]
|
| H A 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
[all …]
|
| /linux/drivers/md/ |
| H A D | dm-log.c | 14 #include <linux/dm-dirty-log.h>
18 #define DM_MSG_PREFIX "dirty region log"
56 * Log modules are named "dm-log-" followed by the 'type_name'.
58 * This function will first try the module "dm-log-<type_name>",
62 * 'dm-log-clustered-disk' then 'dm-log-clustered'.
80 DMWARN("No memory left to attempt log module load for \"%s\"", in get_type()
85 while (request_module("dm-log-%s", type_name_dup) || in get_type()
154 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()
[all …]
|
| H A D | raid5-ppl.c | 3 * Partial Parity Log for closing the RAID5 write hole
15 #include "raid5-log.h"
76 * data+parity is written). The log->io_list tracks all io_units of a log
97 atomic64_t seq; /* current log write sequence number */
116 struct ppl_conf *ppl_conf; /* shared between all log instances */
119 * this log instance */
124 struct list_head io_list; /* all io_units of this log */
136 struct ppl_log *log; member
143 u64 seq; /* sequence number of this log write */
144 struct list_head log_sibling; /* log->io_list */
[all …]
|
| H A D | raid5-log.h | 7 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()
[all …]
|
| /linux/drivers/gpu/drm/i915/gt/uc/ |
| H A D | intel_guc_log_debugfs.c | 31 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
[all …]
|
| /linux/fs/xfs/libxfs/ |
| H A D | xfs_log_recover.h | 10 * Each log item type (XFS_LI_*) gets its own xlog_recover_item_ops to
11 * define how recovery should work for that type of log item.
16 /* Sorting hat for log items as they're read in. */
28 * Help sort recovered log items into the order required to replay them
29 * correctly. Log item types that always use XLOG_REORDER_ITEM_LIST do
37 void (*ra_pass2)(struct xlog *log, struct xlog_recover_item *item);
40 int (*commit_pass1)(struct xlog *log, struct xlog_recover_item *item);
43 * This function should do whatever work is needed for pass2 of log
47 * the recovered item to construct an in-core log intent item and
48 * insert it into the AIL. The in-core log intent item should have 1
[all …]
|
| H A D | xfs_log_format.h | 13 * On-disk Log Format definitions.
15 * This file contains all the on-disk format definitions used within the log. It
16 * includes the physical log structure itself, as well as all the log item
17 * format structures that are written into the log and intepreted by log
18 * recovery. We start with the physical log format definitions, and then work
19 * through all the log items definitions and everything they encode into the
20 * log.
28 #define XLOG_VERSION_2 2 /* Large IClogs, Log sunit */
40 /* Minimum number of transactions that must fit in the log (defined by mkfs) */
43 #define XLOG_REC_SHIFT(log) \ argument
[all …]
|
| /linux/include/linux/ |
| H A D | dm-dirty-log.h | 6 * Device-Mapper dirty region log.
36 int (*ctr)(struct dm_dirty_log *log, struct dm_target *ti,
38 void (*dtr)(struct dm_dirty_log *log);
41 * There are times when we don't want the log to touch
44 int (*presuspend)(struct dm_dirty_log *log);
45 int (*postsuspend)(struct dm_dirty_log *log);
46 int (*resume)(struct dm_dirty_log *log);
49 * Retrieves the smallest size of region that the log can
52 uint32_t (*get_region_size)(struct dm_dirty_log *log);
58 int (*is_clean)(struct dm_dirty_log *log, region_t region);
[all …]
|
| /linux/include/uapi/linux/ |
| H A D | dm-log-userspace.h | 15 * The device-mapper userspace log module consists of a kernel component and
17 * in dm-dirty-log.h. Its purpose is simply to pass the parameters and
22 * dirty log API. Each of these is described in more detail below.
50 * DM_ULOG_CTR corresponds to (found in dm-dirty-log.h):
51 * int (*ctr)(struct dm_dirty_log *log, struct dm_target *ti,
58 * as the backing store for the log data. 'dm_get_device' will be called
61 * for log data, 'data_size' in the dm_ulog_request struct should be 0.
64 * will be used by all request types to a specific log. The constructor must
69 * data field with the log device if necessary, and setting 'data_size'
75 * DM_ULOG_DTR corresponds to (found in dm-dirty-log.h):
[all …]
|
| /linux/tools/testing/selftests/rcutorture/bin/ |
| H A D | kvm-remote.sh | 77 touch "$oldrun/remote-log"
78 echo $scriptname $args >> "$oldrun/remote-log"
79 echo | tee -a "$oldrun/remote-log"
80 echo " ----" kvm.sh output: "(`date`)" | tee -a "$oldrun/remote-log"
81 cat $T/kvm.sh.out | tee -a "$oldrun/remote-log"
88 echo $scriptname: kvm-again.sh failed exit code $? | tee -a "$oldrun/remote-log"
89 cat $T/kvm-again.sh.out | tee -a "$oldrun/remote-log"
100 touch "$oldrun/remote-log"
101 echo $scriptname $args >> "$oldrun/remote-log"
106 echo $scriptname: kvm-again.sh failed exit code $? | tee -a "$oldrun/remote-log"
[all …]
|
| /linux/Documentation/ABI/stable/ |
| H A 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.
13 Log entries may be purged by the service processor
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
[all …]
|
| /linux/drivers/staging/greybus/ |
| H A D | log.c | 3 * Greybus driver for the log protocol
32 dev_err(dev, "log request too small (%zu < %zu)\n", in gb_log_request_handler()
39 dev_err(dev, "log request wrong size %d vs %zu\n", len, in gb_log_request_handler()
44 dev_err(dev, "log request of 0 bytes?\n"); in gb_log_request_handler()
49 dev_err(dev, "log request too big: %d\n", len); in gb_log_request_handler()
70 struct gb_log *log; in gb_log_probe() local
80 log = kzalloc(sizeof(*log), GFP_KERNEL); in gb_log_probe()
81 if (!log) in gb_log_probe()
91 log->connection = connection; in gb_log_probe()
92 greybus_set_drvdata(bundle, log); in gb_log_probe()
[all …]
|
| /linux/Documentation/ABI/testing/ |
| H A 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_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
[all …]
|