From 8fed323b14040f42e5755bbb9bd778415634c4b6 Mon Sep 17 00:00:00 2001 From: Kent Overstreet Date: Sun, 21 Jan 2024 02:41:06 -0500 Subject: bcachefs: snapshot_format.h Signed-off-by: Kent Overstreet --- fs/bcachefs/bcachefs_format.h | 34 +--------------------------------- fs/bcachefs/snapshot_format.h | 36 ++++++++++++++++++++++++++++++++++++ 2 files changed, 37 insertions(+), 33 deletions(-) create mode 100644 fs/bcachefs/snapshot_format.h (limited to 'fs') diff --git a/fs/bcachefs/bcachefs_format.h b/fs/bcachefs/bcachefs_format.h index e26b8000c26b..cfce8ca1f835 100644 --- a/fs/bcachefs/bcachefs_format.h +++ b/fs/bcachefs/bcachefs_format.h @@ -805,39 +805,6 @@ LE32_BITMASK(BCH_SUBVOLUME_RO, struct bch_subvolume, flags, 0, 1) LE32_BITMASK(BCH_SUBVOLUME_SNAP, struct bch_subvolume, flags, 1, 2) LE32_BITMASK(BCH_SUBVOLUME_UNLINKED, struct bch_subvolume, flags, 2, 3) -/* Snapshots */ - -struct bch_snapshot { - struct bch_val v; - __le32 flags; - __le32 parent; - __le32 children[2]; - __le32 subvol; - /* corresponds to a bch_snapshot_tree in BTREE_ID_snapshot_trees */ - __le32 tree; - __le32 depth; - __le32 skip[3]; - bch_le128 btime; -}; - -LE32_BITMASK(BCH_SNAPSHOT_DELETED, struct bch_snapshot, flags, 0, 1) - -/* True if a subvolume points to this snapshot node: */ -LE32_BITMASK(BCH_SNAPSHOT_SUBVOL, struct bch_snapshot, flags, 1, 2) - -/* - * Snapshot trees: - * - * The snapshot_trees btree gives us persistent indentifier for each tree of - * bch_snapshot nodes, and allow us to record and easily find the root/master - * subvolume that other snapshots were created from: - */ -struct bch_snapshot_tree { - struct bch_val v; - __le32 master_subvol; - __le32 root_snapshot; -}; - /* LRU btree: */ struct bch_lru { @@ -904,6 +871,7 @@ struct bch_sb_field { #include "dirent_format.h" #include "xattr_format.h" #include "quota_format.h" +#include "snapshot_format.h" #include "sb-counters_format.h" enum bch_sb_field_type { diff --git a/fs/bcachefs/snapshot_format.h b/fs/bcachefs/snapshot_format.h new file mode 100644 index 000000000000..aabcd3a74cd9 --- /dev/null +++ b/fs/bcachefs/snapshot_format.h @@ -0,0 +1,36 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _BCACHEFS_SNAPSHOT_FORMAT_H +#define _BCACHEFS_SNAPSHOT_FORMAT_H + +struct bch_snapshot { + struct bch_val v; + __le32 flags; + __le32 parent; + __le32 children[2]; + __le32 subvol; + /* corresponds to a bch_snapshot_tree in BTREE_ID_snapshot_trees */ + __le32 tree; + __le32 depth; + __le32 skip[3]; + bch_le128 btime; +}; + +LE32_BITMASK(BCH_SNAPSHOT_DELETED, struct bch_snapshot, flags, 0, 1) + +/* True if a subvolume points to this snapshot node: */ +LE32_BITMASK(BCH_SNAPSHOT_SUBVOL, struct bch_snapshot, flags, 1, 2) + +/* + * Snapshot trees: + * + * The snapshot_trees btree gives us persistent indentifier for each tree of + * bch_snapshot nodes, and allow us to record and easily find the root/master + * subvolume that other snapshots were created from: + */ +struct bch_snapshot_tree { + struct bch_val v; + __le32 master_subvol; + __le32 root_snapshot; +}; + +#endif /* _BCACHEFS_SNAPSHOT_FORMAT_H */ -- cgit v1.2.3