| /kernel/linux/linux-5.10/include/uapi/linux/ |
| D | nilfs2_api.h | 20 * struct nilfs_cpinfo - checkpoint information
23 * @ci_cno: checkpoint number
25 * @ci_nblk_inc: number of blocks incremented by this checkpoint
28 * @ci_next: next checkpoint number in snapshot list
41 /* checkpoint flags */
143 * struct nilfs_cpmode - change checkpoint mode structure
144 * @cm_cno: checkpoint number
145 * @cm_mode: mode of checkpoint
171 * struct nilfs_period - period of checkpoint numbers
172 * @p_start: start checkpoint number (inclusive)
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| D | nilfs2_ondisk.h | 82 * @sr_cpfile: checkpoint file inode
162 __le64 s_last_cno; /* Last checkpoint number */
187 __le16 s_checkpoint_size; /* Size of a checkpoint */
240 #define NILFS_CPFILE_INO 4 /* checkpoint file */
339 * @fi_cno: checkpoint number
396 * @ss_cno: checkpoint number
469 * @de_start: start checkpoint number
470 * @de_end: end checkpoint number
484 * @ssl_next: next checkpoint number on snapshot list
485 * @ssl_prev: previous checkpoint number on snapshot list
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| /kernel/linux/linux-6.6/include/uapi/linux/ |
| D | nilfs2_api.h | 20 * struct nilfs_cpinfo - checkpoint information
23 * @ci_cno: checkpoint number
25 * @ci_nblk_inc: number of blocks incremented by this checkpoint
28 * @ci_next: next checkpoint number in snapshot list
41 /* checkpoint flags */
143 * struct nilfs_cpmode - change checkpoint mode structure
144 * @cm_cno: checkpoint number
145 * @cm_mode: mode of checkpoint
171 * struct nilfs_period - period of checkpoint numbers
172 * @p_start: start checkpoint number (inclusive)
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| D | nilfs2_ondisk.h | 82 * @sr_cpfile: checkpoint file inode
162 __le64 s_last_cno; /* Last checkpoint number */
187 __le16 s_checkpoint_size; /* Size of a checkpoint */
240 #define NILFS_CPFILE_INO 4 /* checkpoint file */
339 * @fi_cno: checkpoint number
396 * @ss_cno: checkpoint number
469 * @de_start: start checkpoint number
470 * @de_end: end checkpoint number
484 * @ssl_next: next checkpoint number on snapshot list
485 * @ssl_prev: previous checkpoint number on snapshot list
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| /kernel/linux/linux-5.10/Documentation/filesystems/ |
| D | xfs-delayed-logging-design.rst | 308 size of a checkpoint to be slightly less than a half the log.
310 Apart from this size requirement, a checkpoint transaction looks no different
313 perspective, the checkpoint transaction is also no different - just a lot
317 Because the checkpoint is just another transaction and all the changes to log
320 minimise the time we hold the CIL locked while writing the checkpoint
324 per-checkpoint context that travels through the log write process through to
325 checkpoint completion.
327 Hence a checkpoint has a context that tracks the state of the current
328 checkpoint from initiation to checkpoint completion. A new context is initiated
329 at the same time a checkpoint transaction is started. That is, when we remove
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| D | nilfs2.rst | 61 cp=n Specify the checkpoint-number of the snapshot to be
68 checkpoint if no metadata update is going. This mode
100 NILFS_IOCTL_CHANGE_CPMODE Change mode of given checkpoint between
101 checkpoint and snapshot state. This ioctl is
104 NILFS_IOCTL_DELETE_CHECKPOINT Remove checkpoint from NILFS2 file system.
143 NILFS_IOCTL_SYNC Make a checkpoint. This ioctl is used in
170 mkcp make a checkpoint or a snapshot.
171 chcp change an existing checkpoint to a snapshot or vice versa.
172 rmcp invalidate specified checkpoint(s).
179 where <cno> is the checkpoint number of the snapshot.
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| /kernel/linux/linux-6.6/fs/nilfs2/ |
| D | cpfile.c | 3 * NILFS checkpoint file.
147 * @start_cno: start checkpoint number (inclusive)
148 * @end_cno: end checkpoint number (inclusive)
149 * @cnop: place to store the next checkpoint number
190 * nilfs_cpfile_get_checkpoint - get a checkpoint
191 * @cpfile: inode of checkpoint file
192 * @cno: checkpoint number
194 * @cpp: pointer to a checkpoint
197 * Description: nilfs_cpfile_get_checkpoint() acquires the checkpoint
198 * specified by @cno. A new checkpoint will be created if @cno is the current
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| D | the_nilfs.h | 54 * @ns_cno: next checkpoint number
61 * @ns_last_cno: checkpoint number of the latest segment
67 * @ns_cpfile: checkpoint file inode
79 * @ns_interval: checkpoint creation interval
106 * - loading the latest checkpoint exclusively.
153 /* Checkpoint tree */
229 * @cno: checkpoint number
255 /* Special checkpoint number */
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| /kernel/linux/linux-5.10/fs/nilfs2/ |
| D | cpfile.c | 3 * cpfile.c - NILFS checkpoint file.
147 * @start_cno: start checkpoint number (inclusive)
148 * @end_cno: end checkpoint number (inclusive)
149 * @cnop: place to store the next checkpoint number
190 * nilfs_cpfile_get_checkpoint - get a checkpoint
191 * @cpfile: inode of checkpoint file
192 * @cno: checkpoint number
194 * @cpp: pointer to a checkpoint
197 * Description: nilfs_cpfile_get_checkpoint() acquires the checkpoint
198 * specified by @cno. A new checkpoint will be created if @cno is the current
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| D | the_nilfs.h | 54 * @ns_cno: next checkpoint number
61 * @ns_last_cno: checkpoint number of the latest segment
67 * @ns_cpfile: checkpoint file inode
79 * @ns_interval: checkpoint creation interval
106 * - loading the latest checkpoint exclusively.
153 /* Checkpoint tree */
229 * @cno: checkpoint number
255 /* Special checkpoint number */
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| /kernel/linux/linux-6.6/Documentation/filesystems/ |
| D | xfs-delayed-logging-design.rst | 591 size of a checkpoint to be slightly less than a half the log.
593 Apart from this size requirement, a checkpoint transaction looks no different
596 perspective, the checkpoint transaction is also no different - just a lot
600 Because the checkpoint is just another transaction and all the changes to log
603 minimise the time we hold the CIL locked while writing the checkpoint
607 per-checkpoint context that travels through the log write process through to
608 checkpoint completion.
610 Hence a checkpoint has a context that tracks the state of the current
611 checkpoint from initiation to checkpoint completion. A new context is initiated
612 at the same time a checkpoint transaction is started. That is, when we remove
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| D | nilfs2.rst | 61 cp=n Specify the checkpoint-number of the snapshot to be
68 checkpoint if no metadata update is going. This mode
100 NILFS_IOCTL_CHANGE_CPMODE Change mode of given checkpoint between
101 checkpoint and snapshot state. This ioctl is
104 NILFS_IOCTL_DELETE_CHECKPOINT Remove checkpoint from NILFS2 file system.
143 NILFS_IOCTL_SYNC Make a checkpoint. This ioctl is used in
170 mkcp make a checkpoint or a snapshot.
171 chcp change an existing checkpoint to a snapshot or vice versa.
172 rmcp invalidate specified checkpoint(s).
179 where <cno> is the checkpoint number of the snapshot.
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| /kernel/linux/linux-6.6/fs/jbd2/ |
| D | checkpoint.c | 3 * linux/fs/jbd2/checkpoint.c
9 * Checkpoint routines for the generic filesystem journaling code.
26 * Unlink a buffer from a transaction checkpoint list.
47 * for a checkpoint to free up some space in the log.
63 * were waiting for the checkpoint lock. If there are no in __jbd2_log_wait_for_space()
147 * Perform an actual checkpoint. We take the first transaction on the
162 jbd2_debug(1, "Start checkpoint\n"); in jbd2_log_do_checkpoint()
196 /* checkpoint all of the transaction's buffers */ in jbd2_log_do_checkpoint()
251 BUFFER_TRACE(bh, "remove from checkpoint"); in jbd2_log_do_checkpoint()
253 * If the transaction was released or the checkpoint in jbd2_log_do_checkpoint()
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| /kernel/linux/linux-5.10/fs/jbd2/ |
| D | checkpoint.c | 3 * linux/fs/jbd2/checkpoint.c
9 * Checkpoint routines for the generic filesystem journaling code.
26 * Unlink a buffer from a transaction checkpoint list.
44 * Unlink a buffer from a transaction checkpoint(io) list.
61 * Move a buffer from the checkpoint list to the checkpoint io list
83 * Check a checkpoint buffer could be release or not.
98 * for a checkpoint to free up some space in the log.
114 * were waiting for the checkpoint lock. If there are no in __jbd2_log_wait_for_space()
194 * Perform an actual checkpoint. We take the first transaction on the
209 jbd_debug(1, "Start checkpoint\n"); in jbd2_log_do_checkpoint()
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| /kernel/linux/linux-5.10/net/sched/ |
| D | sch_plug.c | 10 * Output commit property is commonly used by applications using checkpoint
11 * based fault-tolerance to ensure that the checkpoint from which a system
15 * wherein a VM is checkpointed, say every 50ms. The checkpoint is replicated
22 * 2.1 Stop VM and take checkpoint(i).
25 * checkpoint(i) to backup host.
76 * issued after committing a checkpoint at the target.
82 * be released (committed checkpoint).
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| /kernel/linux/linux-6.6/net/sched/ |
| D | sch_plug.c | 10 * Output commit property is commonly used by applications using checkpoint
11 * based fault-tolerance to ensure that the checkpoint from which a system
15 * wherein a VM is checkpointed, say every 50ms. The checkpoint is replicated
22 * 2.1 Stop VM and take checkpoint(i).
25 * checkpoint(i) to backup host.
76 * issued after committing a checkpoint at the target.
82 * be released (committed checkpoint).
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| /kernel/linux/linux-5.10/fs/xfs/ |
| D | xfs_log_priv.h | 225 * passed to the iclog for checkpoint post-commit processing. After being
227 * next set of transactions to be aggregated into a checkpoint.
253 * This structure tracks the list of committing checkpoint contexts so
255 * flush until we have a the commit record LSN of the checkpoint. We can
258 * checkpoint is still in the process of committing, we can block waiting for
285 * track both space consumed and the number of vectors in the checkpoint
296 * logged in order to prevent checkpoint ticket overruns.
307 * space needed by the checkpoint transaction. This means that we never need to
308 * specifically reserve space for the CIL checkpoint transaction, nor do we
309 * need to regrant space once the checkpoint completes. This also means the
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| D | xfs_log_cil.c | 53 * initialise the first CIL checkpoint context.
262 * tell in future commits whether this is the first checkpoint in xfs_cil_prepare_item()
380 * consumed by the item. Add the space to the checkpoint ticket and calculate
382 * as well. Remove the amount of space we added to the checkpoint ticket from
401 * We can do this safely because the context can't checkpoint until we in xlog_cil_insert_items()
419 * for the checkpoint. The context ticket is special - the unit in xlog_cil_insert_items()
768 * For example, if we get an EFI in one checkpoint and the EFD in the in xlog_cil_push_work()
769 * next (e.g. due to log forces), we do not want the checkpoint with in xlog_cil_push_work()
770 * the EFD to be committed before the checkpoint with the EFI. Hence in xlog_cil_push_work()
772 * that: a) the checkpoint callbacks are attached to the iclogs in the in xlog_cil_push_work()
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| /kernel/linux/linux-6.6/fs/xfs/ |
| D | xfs_log_cil.c | 79 * first checkpoint it is written to. Hence if it is different to the in xlog_item_in_current_chkpt()
80 * current sequence, we're in a new checkpoint. in xlog_item_in_current_chkpt()
199 * initialise the first CIL checkpoint context.
410 * tell in future commits whether this is the first checkpoint in xfs_cil_prepare_item()
541 * consumed by the item. Add the space to the checkpoint ticket and calculate
543 * as well. Remove the amount of space we added to the checkpoint ticket from
565 * We can do this safely because the context can't checkpoint until we in xlog_cil_insert_items()
591 * We need to take the CIL checkpoint unit reservation on the first in xlog_cil_insert_items()
772 * contain the start record for the checkpoint. Otherwise this write contains
773 * the commit record for the checkpoint.
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| D | xfs_log_priv.h | 214 * passed to the iclog for checkpoint post-commit processing. After being
216 * next set of transactions to be aggregated into a checkpoint.
260 * This structure tracks the list of committing checkpoint contexts so
262 * flush until we have a the commit record LSN of the checkpoint. We can
265 * checkpoint is still in the process of committing, we can block waiting for
300 * track both space consumed and the number of vectors in the checkpoint
311 * logged in order to prevent checkpoint ticket overruns.
322 * space needed by the checkpoint transaction. This means that we never need to
323 * specifically reserve space for the CIL checkpoint transaction, nor do we
324 * need to regrant space once the checkpoint completes. This also means the
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| /kernel/linux/linux-5.10/Documentation/ABI/testing/ |
| D | sysfs-fs-f2fs | 37 over total volume size, f2fs tries to conduct checkpoint to
99 checkpoint is triggered, and issued during the checkpoint.
156 Description: Controls the checkpoint timing, set to 60 seconds by default.
195 ratio exceeds configured threshold, checkpoint will
277 Description: If checkpoint=disable, it displays the number of blocks that
279 If checkpoint=enable it displays the enumber of blocks that
280 would be unusable if checkpoint=disable were to be set.
296 Description: Number of checkpoint operations performed on demand. Available when
302 Description: Number of checkpoint operations performed in the background to
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| /kernel/linux/linux-6.6/Documentation/bpf/ |
| D | verifier.rst | 335 --- checkpoint ---
434 --- checkpoint #0 ---
436 --- checkpoint #1 ---
439 --- checkpoint #2 ---
441 --- checkpoint #3 ---
447 Checkpoint +-------------------------------+-------------------------------+
452 Checkpoint +-------------------------------+
460 Checkpoint +-------------------------------+-------------------------------+
466 Checkpoint +-------------------------------+-------------------------------+
477 all the way up to checkpoint #1.
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| /kernel/linux/linux-5.10/drivers/misc/vmw_vmci/ |
| D | vmci_doorbell.h | 29 * written to the checkpoint as is, so changing this structure will
30 * break checkpoint compatibility.
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| /kernel/linux/linux-6.6/drivers/misc/vmw_vmci/ |
| D | vmci_doorbell.h | 29 * written to the checkpoint as is, so changing this structure will
30 * break checkpoint compatibility.
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| /kernel/linux/linux-6.6/Documentation/ABI/testing/ |
| D | sysfs-fs-f2fs | 37 over total volume size, f2fs tries to conduct checkpoint to
106 checkpoint, and issued by issue_discard thread after checkpoint.
196 Description: Controls the checkpoint timing, set to 60 seconds by default.
235 ratio exceeds configured threshold, checkpoint will
352 Description: If checkpoint=disable, it displays the number of blocks that
354 If checkpoint=enable it displays the number of blocks that
355 would be unusable if checkpoint=disable were to be set.
371 Description: Number of checkpoint operations performed on demand. Available when
377 Description: Number of checkpoint operations performed in the background to
463 0x1 SBI_IS_DIRTY dirty flag for checkpoint
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