| /linux-4.1.27/drivers/md/ |
| H A D | dm-snap.c | 27 #define DM_MSG_PREFIX "snapshots"
57 /* List of snapshots per Origin */
207 * Hash table mapping origin volumes to lists of snapshots and
291 /* List of snapshots for this origin */
292 struct list_head snapshots; member in struct:origin
403 * Returns number of snapshots registered using the supplied cow device, plus:
430 list_for_each_entry(s, &o->snapshots, list) { __find_snapshots_sharing_cow()
507 list_for_each_entry(l, &o->snapshots, list) __insert_snapshot()
547 INIT_LIST_HEAD(&o->snapshots); register_snapshot()
584 if (o && list_empty(&o->snapshots)) { unregister_snapshot()
763 * Return a minimum chunk size of all snapshots that have the specified origin.
764 * Return zero if the origin has no snapshots.
772 list_for_each_entry(snap, &o->snapshots, list) __minimum_chunk_size()
1006 * Reallocate any exceptions needed in other snapshots then snapshot_merge_next_chunks()
1199 /* Add snapshot to the list of snapshots for this origin */ snapshot_ctr()
1676 /* Full snapshots are not usable */ snapshot_map()
1766 * exceptions in other snapshots and not in the one that is being
1771 * which in turn might generate exceptions in other snapshots.
1796 /* Full merging snapshots are redirected to the origin */ snapshot_merge_map()
2047 static int __origin_write(struct list_head *snapshots, sector_t sector, __origin_write() argument
2058 /* Do all the snapshots on this origin */ list_for_each_entry()
2059 list_for_each_entry (snap, snapshots, list) { list_for_each_entry()
2069 /* Only deal with valid and active snapshots */ list_for_each_entry()
2078 * Remember, different snapshots can have list_for_each_entry()
2168 r = __origin_write(&o->snapshots, bio->bi_iter.bi_sector, bio); do_origin()
2175 * Trigger exceptions in all non-merging snapshots.
2179 * chunks in other snapshots.
2181 * We scan all the overlapping exceptions in the other snapshots.
2201 if (__origin_write(&o->snapshots, sector + n, NULL) == origin_write_extent()
2280 /* Only tell snapshots if this is a write */ origin_map()
2285 * Set the target "max_io_len" field to the minimum of all the snapshots'
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| H A D | dm-snap-transient.c | 20 * Implementation of the store for non-persistent snapshots.
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| H A D | dm-snap-persistent.c | 24 * Persistent snapshots, by persistent we mean that the snapshot
36 * snapshots with different disk versions than the kernel will
53 * Magic for persistent snapshots: "SnAp" - Feeble isn't it.
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| H A D | dm-era-target.c | 993 * Metadata snapshots allow userland to access era data.
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| H A D | dm-cache-target.c | 134 * (eg, rolling back snapshots). Reads and writes always go to the
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| /linux-4.1.27/include/linux/ceph/ |
| H A D | libceph.h | 145 * snapshots
149 * A "snap context" is the set of existing snapshots when we
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| /linux-4.1.27/include/linux/ |
| H A D | compiler-gcc.h | 164 * Early snapshots of gcc 4.3 don't support this and we can't detect this
188 * Early snapshots of gcc 4.5 don't support this and we can't detect
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| H A D | nilfs2_fs.h | 598 * @ch_nsnapshots: number of snapshots
810 * @cs_nsss: number of snapshots
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| /linux-4.1.27/include/uapi/linux/ |
| H A D | btrfs.h | 470 * Do not add the leading stream header. Used when multiple snapshots
477 * of the stream. This option is used when multiple snapshots are
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| H A D | nl80211.h | 1284 * @NL80211_ATTR_GENERATION: Used to indicate consistent snapshots for
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| /linux-4.1.27/fs/btrfs/ |
| H A D | transaction.c | 1139 * dead roots are old snapshots that need to be deleted. This allocates
1245 * new snapshots need to be created at a very specific time in the
1251 * the creation of the pending snapshots, just return 0.
1513 * create all the snapshots we've scheduled for creation
1948 * We insert the dir indexes of the snapshots and update the inode btrfs_commit_transaction()
1949 * of the snapshots' parents after the snapshot creation, so there btrfs_commit_transaction()
1953 * We needn't worry that this operation will corrupt the snapshots, btrfs_commit_transaction()
2147 * The return value indicates there are certainly more snapshots to delete, but
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| H A D | ctree.h | 914 * between two snapshots (useful if some bytes in the middle of the
2025 * root backrefs tie subvols and snapshots to the directory entries that
2031 * root refs make a fast index for listing all of the snapshots and
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| H A D | inode.c | 1199 * when nowcow writeback call back. This checks for snapshots or COW copies
1202 * If no cow copies or snapshots exist, we write directly to the existing
1349 * if there are pending snapshots for this root, run_delalloc_nocow()
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| H A D | ioctl.c | 1647 * Subvolume creation is not restricted, but snapshots btrfs_ioctl_snap_create_transid()
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| H A D | extent-tree.c | 934 * - multiple snapshots, subvolumes, or different generations in one subvol
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| /linux-4.1.27/drivers/staging/lustre/include/linux/libcfs/ |
| H A D | libcfs_ioctl.h | 105 /* ioctls for manipulating snapshots 30- */
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| /linux-4.1.27/arch/powerpc/platforms/pseries/ |
| H A D | hvCall.S | 33 * areas to save snapshots and opcode.
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| /linux-4.1.27/arch/arc/kernel/ |
| H A D | perf_event.c | 76 * ARC supports making 'snapshots' of the counters, so we don't arc_pmu_read_counter()
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| /linux-4.1.27/fs/ceph/ |
| H A D | snap.c | 14 * implement snapshots at a single point in the system, ceph's
20 * clients, however, snapshots may appear to be applied at slightly
28 * snapshots. An individual realm's snap set contains snapshots
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| H A D | super.h | 622 * the same set of snapshots that apply to it. The realms themselves
624 * the snapshots of their parents.
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| H A D | addr.c | 28 * count dirty pages on the inode. In the absence of snapshots,
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| /linux-4.1.27/arch/x86/xen/ |
| H A D | time.c | 38 /* snapshots of runstate info */
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| /linux-4.1.27/include/xen/interface/ |
| H A D | platform.h | 313 /* System time when the idletime snapshots were taken. */
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| /linux-4.1.27/fs/nilfs2/ |
| H A D | sysfs.c | 233 * NILFS mounted snapshots attrs *
340 "(2) snapshots_number\n\tshow number of snapshots on volume.\n\n"
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| H A D | cpfile.c | 522 ret = 0; /* No snapshots (started from a hole block) */ nilfs_cpfile_do_get_ssinfo()
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| H A D | super.c | 1343 * tree is not mounted and only snapshots use this sb. nilfs_mount()
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| /linux-4.1.27/drivers/block/ |
| H A D | rbd.c | 889 * that limits the number of snapshots. rbd_dev_ondisk_valid()
1035 * Note that result is for snapshots in *descending* order.
3601 * snapshot ids, followed by the names of those snapshots as rbd_dev_v1_header_info()
3603 * the number of snapshots could change by the time we read rbd_dev_v1_header_info()
4469 /* ignore no-longer existing snapshots */ rbd_v2_snap_id_by_name()
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| /linux-4.1.27/drivers/media/i2c/soc_camera/ |
| H A D | rj54n1cb0c.c | 661 /* Idea: use the read mode for snapshots, handle separate geometries */ rj54n1_sensor_scale()
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| /linux-4.1.27/drivers/staging/lustre/lustre/include/lustre/ |
| H A D | lustre_user.h | 119 * of snapshots, etc.) of the same file system object. Not currently
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| /linux-4.1.27/drivers/staging/lustre/lustre/include/ |
| H A D | lustre_fid.h | 61 * distinguishes between different FID instantiations, such as snapshots or
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| /linux-4.1.27/fs/ufs/ |
| H A D | ufs_fs.h | 446 __fs32 fs_active;/* used by snapshots to track fs */
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| /linux-4.1.27/fs/proc/ |
| H A D | task_mmu.c | 32 * worth the effort, such snapshots can always be inconsistent. task_mem()
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| /linux-4.1.27/kernel/irq/ |
| H A D | manage.c | 1808 * This call snapshots the internal irqchip state of an
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| /linux-4.1.27/arch/sparc/include/asm/ |
| H A D | hypervisor.h | 1268 * relocate a trap trace buffer or create "snapshots" of information.
1379 * "snapshots" of any dump-buffer information. Each call to
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| /linux-4.1.27/drivers/net/wireless/ath/ath5k/ |
| H A D | reg.h | 148 #define AR5K_BSR_SNAPSHOTSVALID 0x00001000 /* BCR snapshots are valid (?) */
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| /linux-4.1.27/arch/sparc/kernel/ |
| H A D | traps_64.c | 1198 /* Now dump the cache snapshots. */ cheetah_log_errors()
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| /linux-4.1.27/net/ceph/ |
| H A D | osd_client.c | 2731 BUG_ON(vino.snap != CEPH_NOSNAP); /* snapshots aren't writeable */ ceph_osdc_writepages()
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| /linux-4.1.27/kernel/trace/ |
| H A D | trace.c | 602 * tracing buffer. You can use this to take snapshots of the live
709 * tracing buffer. You can use this to take snapshots of the live
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| /linux-4.1.27/fs/ext4/ |
| H A D | ext4.h | 285 __le32 bg_exclude_bitmap_lo; /* Exclude bitmap for snapshots */
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| /linux-4.1.27/kernel/rcu/ |
| H A D | tree.c | 1870 /* Collect dyntick-idle snapshots. */ rcu_gp_fqs()
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| /linux-4.1.27/kernel/sched/ |
| H A D | fair.c | 3513 * fact that rq->clock snapshots this value.
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