Commit c6c4ff65 authored by Kent Overstreet's avatar Kent Overstreet
Browse files

bcachefs: subvolume_format.h 



Signed-off-by: default avatarKent Overstreet <kent.overstreet@linux.dev>
parent 8fed323b

fs/bcachefs/bcachefs_format.h

+1 −32
Original line number Diff line number Diff line
@@ -773,38 +773,6 @@ struct bch_inline_data { 
	u8			data[];

};



/* Subvolumes: */



#define SUBVOL_POS_MIN		POS(0, 1)

#define SUBVOL_POS_MAX		POS(0, S32_MAX)

#define BCACHEFS_ROOT_SUBVOL	1



struct bch_subvolume {

	struct bch_val		v;

	__le32			flags;

	__le32			snapshot;

	__le64			inode;

	/*

	 * Snapshot subvolumes form a tree, separate from the snapshot nodes

	 * tree - if this subvolume is a snapshot, this is the ID of the

	 * subvolume it was created from:

	 *

	 * This is _not_ necessarily the subvolume of the directory containing

	 * this subvolume:

	 */

	__le32			parent;

	__le32			pad;

	bch_le128		otime;

};



LE32_BITMASK(BCH_SUBVOLUME_RO,		struct bch_subvolume, flags,  0,  1)

/*

 * We need to know whether a subvolume is a snapshot so we can know whether we

 * can delete it (or whether it should just be rm -rf'd)

 */

LE32_BITMASK(BCH_SUBVOLUME_SNAP,	struct bch_subvolume, flags,  1,  2)

LE32_BITMASK(BCH_SUBVOLUME_UNLINKED,	struct bch_subvolume, flags,  2,  3)



/* LRU btree: */



struct bch_lru {
@@ -872,6 +840,7 @@ struct bch_sb_field { 
#include "xattr_format.h"

#include "quota_format.h"

#include "snapshot_format.h"

#include "subvolume_format.h"

#include "sb-counters_format.h"



enum bch_sb_field_type {

fs/bcachefs/subvolume_format.h

0 → 100644
+35 −0
Original line number Diff line number Diff line 
/* SPDX-License-Identifier: GPL-2.0 */

#ifndef _BCACHEFS_SUBVOLUME_FORMAT_H

#define _BCACHEFS_SUBVOLUME_FORMAT_H



#define SUBVOL_POS_MIN		POS(0, 1)

#define SUBVOL_POS_MAX		POS(0, S32_MAX)

#define BCACHEFS_ROOT_SUBVOL	1



struct bch_subvolume {

	struct bch_val		v;

	__le32			flags;

	__le32			snapshot;

	__le64			inode;

	/*

	 * Snapshot subvolumes form a tree, separate from the snapshot nodes

	 * tree - if this subvolume is a snapshot, this is the ID of the

	 * subvolume it was created from:

	 *

	 * This is _not_ necessarily the subvolume of the directory containing

	 * this subvolume:

	 */

	__le32			parent;

	__le32			pad;

	bch_le128		otime;

};



LE32_BITMASK(BCH_SUBVOLUME_RO,		struct bch_subvolume, flags,  0,  1)

/*

 * We need to know whether a subvolume is a snapshot so we can know whether we

 * can delete it (or whether it should just be rm -rf'd)

 */

LE32_BITMASK(BCH_SUBVOLUME_SNAP,	struct bch_subvolume, flags,  1,  2)

LE32_BITMASK(BCH_SUBVOLUME_UNLINKED,	struct bch_subvolume, flags,  2,  3)



#endif /* _BCACHEFS_SUBVOLUME_FORMAT_H */