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/linux/Documentation/networking/devlink/
H A Ddevlink-region.rst13 Region snapshots are collected by the driver, and can be accessed via read
14 or dump commands. This allows future analysis on the created snapshots.
15 Regions may optionally support triggering snapshots on demand.
18 All snapshots with the same snapshot id within a devlink instance
29 requested snapshots must implement the ``.snapshot`` callback for the region
H A Ddevlink-params.rst127 - Enable capture of ``devlink-region`` snapshots.
/linux/Documentation/admin-guide/device-mapper/
H A Dthin-provisioning.rst9 between them implement thin-provisioning and snapshots.
12 implementation of snapshots, is that it allows many virtual devices to
17 recursive snapshots (snapshots of snapshots of snapshots ...). The
18 previous implementation of snapshots did this by chaining together
78 are shared between thin devices (i.e. through snapshots). If you have
84 snapshots which are recording large amounts of change, you may find you
179 Internal snapshots
207 device-mapper snapshots.)
213 External snapshots
226 Of course, you may write to the thin device and take internal snapshots
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H A Dsnapshot.rst7 - To create snapshots of any block device i.e. mountable, saved states of
28 which will normally have one or more snapshots based on it.
51 snapshots less metadata must be saved on disk - they can be kept in
77 works with persistent snapshots. This target assumes the role of the
/linux/Documentation/filesystems/
H A Dnilfs2.rst17 change them into snapshots which will be preserved until they are
20 There is no limit on the number of snapshots until the volume gets
62 mounted. Checkpoints and snapshots are listed by lscp
80 read-only mounts or snapshots. This option will fail
165 Checkpoints and snapshots are managed by the following commands.
169 lscp list checkpoints or snapshots.
H A Dbtrfs.rst18 * Writable snapshots
H A Dceph.rst22 * Flexible snapshots (on any directory)
/linux/Documentation/arch/powerpc/
H A Dimc.rst101 hardware snapshots the program counter along with event counts and writes into
147 hardware snapshots the program counter along with event counts and updates the
177 trace mode snapshots the program counter and updates to the memory. And this
/linux/arch/parisc/math-emu/
H A DREADME1 All files except driver.c are snapshots from the HP-UX kernel. They've
/linux/Documentation/filesystems/ext4/
H A Dspecial_inodes.rst33 - The “exclude” inode, for snapshots(?)
/linux/drivers/md/
H A Ddm-snap.c321 struct list_head snapshots; member
462 list_for_each_entry(s, &o->snapshots, list) { in __find_snapshots_sharing_cow()
537 list_for_each_entry(l, &o->snapshots, list) in __insert_snapshot()
577 INIT_LIST_HEAD(&o->snapshots); in register_snapshot()
614 if (o && list_empty(&o->snapshots)) { in unregister_snapshot()
861 list_for_each_entry(snap, &o->snapshots, list) in __minimum_chunk_size()
2434 static int __origin_write(struct list_head *snapshots, sector_t sector, in __origin_write() argument
2447 list_for_each_entry(snap, snapshots, list) { in __origin_write()
2568 list_for_each_entry(s, &o->snapshots, list) in do_origin()
2573 r = __origin_write(&o->snapshots, bio->bi_iter.bi_sector, bio); in do_origin()
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H A DKconfig278 Allow volume managers to take writable snapshots of a device.
286 Provides thin provisioning and snapshots that share a data store.
341 vendor snapshots.
/linux/fs/nilfs2/
H A DKconfig18 and can change them into snapshots which will be preserved for long
/linux/fs/bcachefs/
H A Dsnapshot.c106 bool ret = __bch2_snapshot_is_ancestor_early(rcu_dereference(c->snapshots), id, ancestor); in bch2_snapshot_is_ancestor_early()
141 struct snapshot_table *t = rcu_dereference(c->snapshots); in __bch2_snapshot_is_ancestor()
179 old = rcu_dereference_protected(c->snapshots, true); in __snapshot_t_mut()
183 rcu_assign_pointer(c->snapshots, new); in __snapshot_t_mut()
186 return &rcu_dereference_protected(c->snapshots, in __snapshot_t_mut()
194 rcu_dereference_protected(c->snapshots, in snapshot_t_mut()
1814 kvfree(rcu_dereference_protected(c->snapshots, true)); in bch2_fs_snapshots_exit()
H A Dsnapshot.h45 return __snapshot_t(rcu_dereference(c->snapshots), id); in snapshot_t()
H A Dbcachefs.h796 struct snapshot_table __rcu *snapshots; member
H A Dbcachefs_format.h1316 x(snapshots, 9, 0, \
/linux/Documentation/admin-guide/acpi/
H A Dcppc_sysfs.rst66 taking two different snapshots of feedback counters at time T1 and T2.
/linux/Documentation/dev-tools/
H A Dsparse.rst81 Alternatively, you can get snapshots of the latest development version
/linux/Documentation/ABI/testing/
H A Dsysfs-fs-nilfs2224 Show number of snapshots on volume.
/linux/Documentation/driver-api/early-userspace/
H A Dearly_userspace_support.rst91 You can obtain somewhat infrequent snapshots of klibc from
/linux/Documentation/netlink/specs/
H A Ddevlink.yaml516 name: region-snapshots
518 nested-attributes: dl-region-snapshots
791 name: region-max-snapshots
1121 name: dl-region-snapshots
/linux/fs/smb/client/
H A DKconfig46 security features, per-share encryption, packet-signing, snapshots,
/linux/Documentation/driver-api/media/drivers/
H A Dpvrusb2.rst137 from ivtv or older kernel snapshots (or even the support modules
/linux/Documentation/bpf/
H A Dringbuf.rst130 Returned values are momentarily snapshots of ring buffer state and could be

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