diff options
Diffstat (limited to 'sys/dev/dm/dm_target_snapshot.c')
| -rw-r--r-- | sys/dev/dm/dm_target_snapshot.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/sys/dev/dm/dm_target_snapshot.c b/sys/dev/dm/dm_target_snapshot.c index c83b7513d68..755440e3b3a 100644 --- a/sys/dev/dm/dm_target_snapshot.c +++ b/sys/dev/dm/dm_target_snapshot.c @@ -1,4 +1,4 @@ -/* $NetBSD: dm_target_snapshot.c,v 1.27 2019/12/08 10:35:53 tkusumi Exp $ */ +/* $NetBSD: dm_target_snapshot.c,v 1.28 2019/12/08 10:50:21 tkusumi Exp $ */ /* * Copyright (c) 2008 The NetBSD Foundation, Inc. @@ -29,7 +29,7 @@ * POSSIBILITY OF SUCH DAMAGE. */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: dm_target_snapshot.c,v 1.27 2019/12/08 10:35:53 tkusumi Exp $"); +__KERNEL_RCSID(0, "$NetBSD: dm_target_snapshot.c,v 1.28 2019/12/08 10:50:21 tkusumi Exp $"); /* * 1. Suspend my_data to temporarily stop any I/O while the snapshot is being @@ -103,6 +103,20 @@ int dm_target_snapshot_orig_deps(dm_table_entry_t *, prop_array_t); int dm_target_snapshot_orig_destroy(dm_table_entry_t *); int dm_target_snapshot_orig_upcall(dm_table_entry_t *, struct buf *); +typedef struct target_snapshot_config { + dm_pdev_t *tsc_snap_dev; + /* cow dev is set only for persistent snapshot devices */ + dm_pdev_t *tsc_cow_dev; + + uint64_t tsc_chunk_size; + uint32_t tsc_persistent_dev; +} dm_target_snapshot_config_t; + +typedef struct target_snapshot_origin_config { + dm_pdev_t *tsoc_real_dev; + /* list of snapshots ? */ +} dm_target_snapshot_origin_config_t; + #ifdef DM_TARGET_MODULE /* * Every target can be compiled directly to dm driver or as a |
