Lines Matching refs:snap_src
449 struct dm_snapshot **snap_src, in __find_snapshots_sharing_cow() argument
473 if (snap_src) in __find_snapshots_sharing_cow()
474 *snap_src = s; in __find_snapshots_sharing_cow()
491 struct dm_snapshot *snap_src = NULL, *snap_dest = NULL; in __validate_exception_handover() local
495 if ((__find_snapshots_sharing_cow(snap, &snap_src, &snap_dest, in __validate_exception_handover()
506 if (!snap_src) in __validate_exception_handover()
523 if (!snap_src->store->type->prepare_merge || in __validate_exception_handover()
524 !snap_src->store->type->commit_merge) { in __validate_exception_handover()
1437 static void __handover_exceptions(struct dm_snapshot *snap_src, in __handover_exceptions() argument
1449 snap_dest->complete = snap_src->complete; in __handover_exceptions()
1450 snap_src->complete = u.table_swap; in __handover_exceptions()
1453 snap_dest->store = snap_src->store; in __handover_exceptions()
1455 snap_src->store = u.store_swap; in __handover_exceptions()
1458 snap_src->store->snap = snap_src; in __handover_exceptions()
1461 snap_dest->valid = snap_src->valid; in __handover_exceptions()
1462 snap_dest->snapshot_overflowed = snap_src->snapshot_overflowed; in __handover_exceptions()
1467 snap_src->valid = 0; in __handover_exceptions()
1476 struct dm_snapshot *snap_src = NULL, *snap_dest = NULL; in snapshot_dtr() local
1480 (void) __find_snapshots_sharing_cow(s, &snap_src, &snap_dest, NULL); in snapshot_dtr()
1481 if (snap_src && snap_dest && (s == snap_src)) { in snapshot_dtr()
2206 struct dm_snapshot *snap_src = NULL, *snap_dest = NULL; in snapshot_preresume() local
2209 (void) __find_snapshots_sharing_cow(s, &snap_src, &snap_dest, NULL); in snapshot_preresume()
2210 if (snap_src && snap_dest) { in snapshot_preresume()
2211 down_read(&snap_src->lock); in snapshot_preresume()
2212 if (s == snap_src) { in snapshot_preresume()
2215 } else if (!dm_suspended(snap_src->ti)) { in snapshot_preresume()
2219 up_read(&snap_src->lock); in snapshot_preresume()
2229 struct dm_snapshot *snap_src = NULL, *snap_dest = NULL, *snap_merging = NULL; in snapshot_resume() local
2263 (void) __find_snapshots_sharing_cow(s, &snap_src, &snap_dest, NULL); in snapshot_resume()
2264 if (snap_src && snap_dest) { in snapshot_resume()
2265 down_write(&snap_src->lock); in snapshot_resume()
2267 __handover_exceptions(snap_src, snap_dest); in snapshot_resume()
2269 up_write(&snap_src->lock); in snapshot_resume()
2405 struct dm_snapshot *snap_src = NULL, *snap_dest = NULL; in snapshot_io_hints() local
2409 (void) __find_snapshots_sharing_cow(snap, &snap_src, &snap_dest, NULL); in snapshot_io_hints()
2410 if (snap_src && snap_dest) in snapshot_io_hints()
2411 snap = snap_src; in snapshot_io_hints()