Lines Matching +full:keys +full:- +full:per +full:- +full:group

1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
44  * chunk tree stores translations from logical -> physical block numbering
51  * one per device.  The tree of tree roots points to the device tree
55 /* one per subvolume, storing files and directories */
73 /* Holds the block group items for extent tree v2. */
80 #define BTRFS_BALANCE_OBJECTID -4ULL
83 #define BTRFS_ORPHAN_OBJECTID -5ULL
86 #define BTRFS_TREE_LOG_OBJECTID -6ULL
87 #define BTRFS_TREE_LOG_FIXUP_OBJECTID -7ULL
90 #define BTRFS_TREE_RELOC_OBJECTID -8ULL
91 #define BTRFS_DATA_RELOC_TREE_OBJECTID -9ULL
98 #define BTRFS_EXTENT_CSUM_OBJECTID -10ULL
101 #define BTRFS_FREE_SPACE_OBJECTID -11ULL
107 #define BTRFS_FREE_INO_OBJECTID -12ULL
110 #define BTRFS_MULTIPLE_OBJECTIDS -255ULL
116 #define BTRFS_LAST_FREE_OBJECTID -256ULL
165 /* reserve 2-15 close to the inode for later flexibility */
168  * dir items are the name -> inode pointers in a directory.  There is one
215  * the length, so we save the level in key->offset instead of the length.
240  * Every block group is represented in the free space tree by a free space info
247  * A free space extent tracks an extent of space that is free in a block group.
253  * When a block group becomes very fragmented, we convert it to use bitmaps
272  * One key per qgroup, (0, BTRFS_QGROUP_INFO_KEY, qgroupid).
277  * One key per qgroup, (0, BTRFS_QGROUP_LIMIT_KEY, qgroupid).
281  * Records the child-parent relationship of qgroups. For
282  * each relation, 2 keys are present:
301  * - balance status item
320  * - device statistics, store IO stats in the device tree, one key for all
435  * so for a given inode, keys with type of 1 might refer to the inode data,
537  * The data is separate from the items to get the keys closer together during
546  * All non-leaf blocks are nodes, they hold only keys and pointers to other
594 	/* seek speed 0-100 where 100 is fastest */
597 	/* bandwidth 0-100 where 100 is fastest */
762 #define BTRFS_BACKREF_REV_MASK		(((u64)BTRFS_BACKREF_REV_MAX - 1) << \
870  * Internal in-memory flag that a subvolume has been marked for deletion but
911 	__le64 stransid; /* trans when sent. non-zero for received subvol */
912 	__le64 rtransid; /* trans when received. non-zero for received subvol */
948 	 * BTRFS_BALANCE_ARGS_USAGE_RANGE - range syntax, min..max
980 	 * BTRFS_BALANCE_ARGS_LIMIT_RANGE - the extend version can use minimum
1144  * fs_info->avail_*_alloc_bits (in-memory) and balance item fields
1145  * (on-disk).  The corresponding on-disk bit in chunk.type is reserved
1151  * A fake block group type that is used to communicate global block reserve
1202  * with a non-qgroup-aware version.