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/Linux-v5.15/Documentation/filesystems/
Dxfs-delayed-logging-design.rst308 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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Dnilfs2.rst61 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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Df2fs.rst52 the upper index structures such as inode, inode map, and checkpoint block are
168 data_flush Enable data flushing before checkpoint in order to
241 checkpoint=%s[:%u[%]] Set to "disable" to turn off checkpointing. Set to "enable"
246 While mounting with checkpoint=disabled, the filesystem must
253 with checkpoint=disable:100% would always succeed, but it may
256 This space is reclaimed once checkpoint=enable.
257 checkpoint_merge When checkpoint is enabled, this can be used to create a kernel
258 daemon and make it to merge concurrent checkpoint requests as
259 much as possible to eliminate redundant checkpoint issues. Plus,
260 we can eliminate the sluggish issue caused by slow checkpoint
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Djournalling.rst67 checkpoint all your transactions.
127 jbd2_journal_flush() // checkpoint everything.
Dxfs-self-describing-metadata.rst142 checkpoint and hence have some idea of how much modification occurred between
/Linux-v5.15/Documentation/ABI/testing/
Dsysfs-fs-f2fs37 over total volume size, f2fs tries to conduct checkpoint to
98 checkpoint is triggered, and issued during the checkpoint.
155 Description: Controls the checkpoint timing, set to 60 seconds by default.
194 ratio exceeds configured threshold, checkpoint will
303 Description: If checkpoint=disable, it displays the number of blocks that
305 If checkpoint=enable it displays the number of blocks that
306 would be unusable if checkpoint=disable were to be set.
322 Description: Number of checkpoint operations performed on demand. Available when
328 Description: Number of checkpoint operations performed in the background to
414 0x1 SBI_IS_DIRTY dirty flag for checkpoint
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Dsysfs-fs-nilfs2109 Show checkpoint number of the latest segment.
141 Show next checkpoint number.
230 Show checkpoint number of the latest segment.
236 Show next checkpoint number.
/Linux-v5.15/fs/jbd2/
DMakefile8 jbd2-objs := transaction.o commit.o recovery.o checkpoint.o revoke.o journal.o
/Linux-v5.15/fs/f2fs/
DMakefile5 f2fs-y += checkpoint.o gc.o data.o node.o segment.o recovery.o
/Linux-v5.15/Documentation/admin-guide/device-mapper/
Dera.rst35 checkpoint section in Messages
78 - Send a checkpoint message to the era target
/Linux-v5.15/drivers/net/ppp/
Dbsd_comp.c151 unsigned int checkpoint; /* when to next check the ratio */ member
230 db->checkpoint = CHECK_GAP; in bsd_clear()
251 if (db->in_count >= db->checkpoint) in bsd_check()
260 db->checkpoint = db->in_count + CHECK_GAP; in bsd_check()
/Linux-v5.15/drivers/char/xillybus/
Dxillyusb.c1442 u32 checkpoint; in xillyusb_read() local
1477 checkpoint = complete_checkpoint; in xillyusb_read()
1480 checkpoint = fifo_checkpoint; in xillyusb_read()
1484 leap = (checkpoint - chan->in_current_checkpoint) << sh; in xillyusb_read()
1501 chan->in_current_checkpoint = checkpoint; in xillyusb_read()
1504 checkpoint); in xillyusb_read()
/Linux-v5.15/Documentation/admin-guide/mm/
Dsoft-dirty.rst43 This feature is actively used by the checkpoint-restore project. You
/Linux-v5.15/fs/udf/
Decma_167.h575 __le32 checkpoint; member
804 __le32 checkpoint; member
Dinode.c1499 iinfo->i_checkpoint = le32_to_cpu(fe->checkpoint); in udf_read_inode()
1514 iinfo->i_checkpoint = le32_to_cpu(efe->checkpoint); in udf_read_inode()
1793 fe->checkpoint = cpu_to_le32(iinfo->i_checkpoint); in udf_update_inode()
1830 efe->checkpoint = cpu_to_le32(iinfo->i_checkpoint); in udf_update_inode()
/Linux-v5.15/arch/arm/boot/dts/
Dkirkwood-l-50.dts14 compatible = "checkpoint,l-50", "marvell,kirkwood-88f6281", "marvell,kirkwood";
/Linux-v5.15/drivers/mtd/ubi/
DKconfig69 only has to locate a checkpoint (called fastmap) on the device.
/Linux-v5.15/Documentation/admin-guide/cgroup-v1/
Dfreezer-subsystem.rst14 of tasks. The freezer allows the checkpoint code to obtain a consistent
/Linux-v5.15/Documentation/filesystems/ext4/
Djournal.rst740 in the checkpoint. Checkpointing is used internally during critical updates to
744 A journal checkpoint can be triggered from userspace via the ioctl
753 discarded or zero-filled, respectively, after the journal checkpoint is
/Linux-v5.15/net/tipc/
Dlink.c210 u16 checkpoint; member
871 if (l->snd_nxt == l->checkpoint) { in tipc_link_timeout()
875 l->checkpoint = l->snd_nxt; in tipc_link_timeout()
/Linux-v5.15/kernel/power/
DKconfig48 system and powers it off; and restores that checkpoint on reboot.
/Linux-v5.15/init/
DKconfig1253 Enables additional kernel features in a sake of checkpoint/restore.