summaryrefslogtreecommitdiff
path: root/lib
diff options
context:
space:
mode:
Diffstat (limited to 'lib')
-rw-r--r--lib/btrfs/btrfsitem/item_qgroupinfo.go21
-rw-r--r--lib/btrfs/btrfsitem/item_qgrouplimit.go46
-rw-r--r--lib/btrfs/btrfsitem/item_qgroupstatus.go43
-rw-r--r--lib/btrfs/btrfsitem/items_gen.go9
-rw-r--r--lib/btrfs/btrfsprim/itemtype.go6
-rw-r--r--lib/btrfs/btrfsprim/objid.go2
-rw-r--r--lib/btrfsprogs/btrfsinspect/print_tree.go30
7 files changed, 148 insertions, 9 deletions
diff --git a/lib/btrfs/btrfsitem/item_qgroupinfo.go b/lib/btrfs/btrfsitem/item_qgroupinfo.go
new file mode 100644
index 0000000..8cceb0b
--- /dev/null
+++ b/lib/btrfs/btrfsitem/item_qgroupinfo.go
@@ -0,0 +1,21 @@
+// Copyright (C) 2023 Luke Shumaker <lukeshu@lukeshu.com>
+//
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package btrfsitem
+
+import (
+ "git.lukeshu.com/btrfs-progs-ng/lib/binstruct"
+ "git.lukeshu.com/btrfs-progs-ng/lib/btrfs/btrfsprim"
+)
+
+// key.objectid = 0
+// key.offset = ID of the qgroup
+type QGroupInfo struct { // QGROUP_INFO=242
+ Generation btrfsprim.Generation `bin:"off=0, siz=8"`
+ ReferencedBytes uint64 `bin:"off=8, siz=8"`
+ ReferencedBytesCompressed uint64 `bin:"off=16, siz=8"`
+ ExclusiveBytes uint64 `bin:"off=24, siz=8"`
+ ExclusiveBytesCompressed uint64 `bin:"off=32, siz=8"`
+ binstruct.End `bin:"off=40"`
+}
diff --git a/lib/btrfs/btrfsitem/item_qgrouplimit.go b/lib/btrfs/btrfsitem/item_qgrouplimit.go
new file mode 100644
index 0000000..9d1e05f
--- /dev/null
+++ b/lib/btrfs/btrfsitem/item_qgrouplimit.go
@@ -0,0 +1,46 @@
+// Copyright (C) 2023 Luke Shumaker <lukeshu@lukeshu.com>
+//
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package btrfsitem
+
+import (
+ "git.lukeshu.com/btrfs-progs-ng/lib/binstruct"
+ "git.lukeshu.com/btrfs-progs-ng/lib/fmtutil"
+)
+
+type QGroupLimitFlags uint64
+
+const (
+ QGroupLimitFlagMaxRfer = 1 << iota
+ QGroupLimitFlagMaxExcl
+ QGroupLimitFlagRsvRfer
+ QGroupLimitFlagRsvExcl
+ QGroupLimitFlagRferCmpr
+ QGroupLimitFlagExclCmpr
+)
+
+var qgroupLimitFlagNames = []string{
+ "MAX_RFER",
+ "MAX_EXCL",
+ "RSV_RFER",
+ "RSV_EXCL",
+ "RFER_CMPR",
+ "EXCL_CMPR",
+}
+
+func (f QGroupLimitFlags) Has(req QGroupLimitFlags) bool { return f&req == req }
+func (f QGroupLimitFlags) String() string {
+ return fmtutil.BitfieldString(f, qgroupLimitFlagNames, fmtutil.HexNone)
+}
+
+// key.objectid = 0
+// key.offset = ID of the qgroup
+type QGroupLimit struct { // QGROUP_LIMIT=244
+ Flags QGroupLimitFlags `bin:"off=0, siz=8"`
+ MaxReferenced uint64 `bin:"off=8, siz=8"`
+ MaxExclusive uint64 `bin:"off=16, siz=8"`
+ RsvReferenced uint64 `bin:"off=24, siz=8"`
+ RsvExclusive uint64 `bin:"off=32, siz=8"`
+ binstruct.End `bin:"off=40"`
+}
diff --git a/lib/btrfs/btrfsitem/item_qgroupstatus.go b/lib/btrfs/btrfsitem/item_qgroupstatus.go
new file mode 100644
index 0000000..e7bd62c
--- /dev/null
+++ b/lib/btrfs/btrfsitem/item_qgroupstatus.go
@@ -0,0 +1,43 @@
+// Copyright (C) 2023 Luke Shumaker <lukeshu@lukeshu.com>
+//
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package btrfsitem
+
+import (
+ "git.lukeshu.com/btrfs-progs-ng/lib/binstruct"
+ "git.lukeshu.com/btrfs-progs-ng/lib/btrfs/btrfsprim"
+ "git.lukeshu.com/btrfs-progs-ng/lib/btrfs/btrfsvol"
+ "git.lukeshu.com/btrfs-progs-ng/lib/fmtutil"
+)
+
+type QGroupStatusFlags uint64
+
+const (
+ QGroupStatusFlagOn QGroupStatusFlags = 1 << iota
+ QGroupStatusFlagRescan
+ QGroupStatusFlagInconsistent
+)
+
+var qgroupStatusFlagNames = []string{
+ "ON",
+ "RESCAN",
+ "INCONSISTENT",
+}
+
+func (f QGroupStatusFlags) Has(req QGroupStatusFlags) bool { return f&req == req }
+func (f QGroupStatusFlags) String() string {
+ return fmtutil.BitfieldString(f, qgroupStatusFlagNames, fmtutil.HexNone)
+}
+
+const QGroupStatusVersion uint64 = 1
+
+// key.objectid = 0
+// key.offset = 0
+type QGroupStatus struct { // QGROUP_STATUS=240
+ Version uint64 `bin:"off=0, siz=8"`
+ Generation btrfsprim.Generation `bin:"off=8, siz=8"`
+ Flags QGroupStatusFlags `bin:"off=16, siz=8"`
+ RescanProgress btrfsvol.LogicalAddr `bin:"off=24, siz=8"`
+ binstruct.End `bin:"off=32"`
+}
diff --git a/lib/btrfs/btrfsitem/items_gen.go b/lib/btrfs/btrfsitem/items_gen.go
index 0ae69d4..9daef81 100644
--- a/lib/btrfs/btrfsitem/items_gen.go
+++ b/lib/btrfs/btrfsitem/items_gen.go
@@ -27,7 +27,10 @@ const (
METADATA_ITEM_KEY = btrfsprim.METADATA_ITEM_KEY
ORPHAN_ITEM_KEY = btrfsprim.ORPHAN_ITEM_KEY
PERSISTENT_ITEM_KEY = btrfsprim.PERSISTENT_ITEM_KEY
+ QGROUP_INFO_KEY = btrfsprim.QGROUP_INFO_KEY
+ QGROUP_LIMIT_KEY = btrfsprim.QGROUP_LIMIT_KEY
QGROUP_RELATION_KEY = btrfsprim.QGROUP_RELATION_KEY
+ QGROUP_STATUS_KEY = btrfsprim.QGROUP_STATUS_KEY
ROOT_BACKREF_KEY = btrfsprim.ROOT_BACKREF_KEY
ROOT_ITEM_KEY = btrfsprim.ROOT_ITEM_KEY
ROOT_REF_KEY = btrfsprim.ROOT_REF_KEY
@@ -59,7 +62,10 @@ var keytype2gotype = map[Type]reflect.Type{
METADATA_ITEM_KEY: reflect.TypeOf(Metadata{}),
ORPHAN_ITEM_KEY: reflect.TypeOf(Empty{}),
PERSISTENT_ITEM_KEY: reflect.TypeOf(DevStats{}),
+ QGROUP_INFO_KEY: reflect.TypeOf(QGroupInfo{}),
+ QGROUP_LIMIT_KEY: reflect.TypeOf(QGroupLimit{}),
QGROUP_RELATION_KEY: reflect.TypeOf(Empty{}),
+ QGROUP_STATUS_KEY: reflect.TypeOf(QGroupStatus{}),
ROOT_BACKREF_KEY: reflect.TypeOf(RootRef{}),
ROOT_ITEM_KEY: reflect.TypeOf(Root{}),
ROOT_REF_KEY: reflect.TypeOf(RootRef{}),
@@ -91,6 +97,9 @@ func (FreeSpaceInfo) isItem() {}
func (Inode) isItem() {}
func (InodeRefs) isItem() {}
func (Metadata) isItem() {}
+func (QGroupInfo) isItem() {}
+func (QGroupLimit) isItem() {}
+func (QGroupStatus) isItem() {}
func (Root) isItem() {}
func (RootRef) isItem() {}
func (SharedDataRef) isItem() {}
diff --git a/lib/btrfs/btrfsprim/itemtype.go b/lib/btrfs/btrfsprim/itemtype.go
index 5c7d0e8..0b6baee 100644
--- a/lib/btrfs/btrfsprim/itemtype.go
+++ b/lib/btrfs/btrfsprim/itemtype.go
@@ -25,7 +25,10 @@ const (
METADATA_ITEM_KEY = ItemType(169)
ORPHAN_ITEM_KEY = ItemType(48)
PERSISTENT_ITEM_KEY = ItemType(249)
+ QGROUP_INFO_KEY = ItemType(242)
+ QGROUP_LIMIT_KEY = ItemType(244)
QGROUP_RELATION_KEY = ItemType(246)
+ QGROUP_STATUS_KEY = ItemType(240)
ROOT_BACKREF_KEY = ItemType(144)
ROOT_ITEM_KEY = ItemType(132)
ROOT_REF_KEY = ItemType(156)
@@ -58,7 +61,10 @@ func (t ItemType) String() string {
METADATA_ITEM_KEY: "METADATA_ITEM",
ORPHAN_ITEM_KEY: "ORPHAN_ITEM",
PERSISTENT_ITEM_KEY: "PERSISTENT_ITEM",
+ QGROUP_INFO_KEY: "QGROUP_INFO",
+ QGROUP_LIMIT_KEY: "QGROUP_LIMIT",
QGROUP_RELATION_KEY: "QGROUP_RELATION",
+ QGROUP_STATUS_KEY: "QGROUP_STATUS",
ROOT_BACKREF_KEY: "ROOT_BACKREF",
ROOT_ITEM_KEY: "ROOT_ITEM",
ROOT_REF_KEY: "ROOT_REF",
diff --git a/lib/btrfs/btrfsprim/objid.go b/lib/btrfs/btrfsprim/objid.go
index 5ba213d..8ad290b 100644
--- a/lib/btrfs/btrfsprim/objid.go
+++ b/lib/btrfs/btrfsprim/objid.go
@@ -68,7 +68,7 @@ func (id ObjID) Format(typ ItemType) string {
case DEV_EXTENT_KEY:
return fmt.Sprintf("%d", int64(id))
case QGROUP_RELATION_KEY:
- //nolint:gomnd // TODO: I'm not sure what the 48/16 bit split means.
+ //nolint:gomnd // The left 48 bits are the "qgroup level", and the right 16 bits are the subvolume ID.
return fmt.Sprintf("%d/%d",
uint64(id)>>48,
uint64(id)&((1<<48)-1))
diff --git a/lib/btrfsprogs/btrfsinspect/print_tree.go b/lib/btrfsprogs/btrfsinspect/print_tree.go
index 62d1d7b..3fc3a3f 100644
--- a/lib/btrfsprogs/btrfsinspect/print_tree.go
+++ b/lib/btrfsprogs/btrfsinspect/print_tree.go
@@ -291,12 +291,26 @@ func printTree(ctx context.Context, out io.Writer, fs *btrfs.FS, treeID btrfspri
"\t\tchunk_tree_uuid %v\n",
body.ChunkTree, body.ChunkObjectID, body.ChunkOffset, body.Length,
body.ChunkTreeUUID)
- // case btrfsitem.QGROUP_STATUS_KEY:
- // // TODO
- // case btrfsitem.QGROUP_INFO_KEY:
- // // TODO
- // case btrfsitem.QGROUP_LIMIT_KEY:
- // // TODO
+ case btrfsitem.QGroupStatus:
+ textui.Fprintf(out, ""+
+ "\t\tversion %v generation %v flags %v scan %d\n",
+ body.Version, body.Generation, body.Flags, body.RescanProgress)
+ case btrfsitem.QGroupInfo:
+ textui.Fprintf(out, ""+
+ "\t\tgeneration %v\n"+
+ "\t\treferenced %d referenced_compressed %d\n"+
+ "\t\texclusive %d exclusive_compressed %d\n",
+ body.Generation,
+ body.ReferencedBytes, body.ReferencedBytesCompressed,
+ body.ExclusiveBytes, body.ExclusiveBytesCompressed)
+ case btrfsitem.QGroupLimit:
+ textui.Fprintf(out, ""+
+ "\t\tflags %x\n"+
+ "\t\tmax_referenced %d max_exclusive %d\n"+
+ "\t\trsv_referenced %d rsv_exclusive %d\n",
+ uint64(body.Flags),
+ body.MaxReferenced, body.MaxExclusive,
+ body.RsvReferenced, body.RsvExclusive)
case btrfsitem.UUIDMap:
textui.Fprintf(out, "\t\tsubvol_id %d\n", body.ObjID)
// case btrfsitem.STRING_ITEM_KEY:
@@ -426,8 +440,8 @@ func fmtKey(key btrfsprim.Key) string {
var out strings.Builder
textui.Fprintf(&out, "key (%v %v", key.ObjectID.Format(key.ItemType), key.ItemType)
switch key.ItemType {
- case btrfsitem.QGROUP_RELATION_KEY: // TODO, btrfsitem.QGROUP_INFO_KEY, btrfsitem.QGROUP_LIMIT_KEY:
- panic("TODO: printing qgroup items not yet implemented")
+ case btrfsitem.QGROUP_RELATION_KEY, btrfsitem.QGROUP_INFO_KEY, btrfsitem.QGROUP_LIMIT_KEY:
+ textui.Fprintf(&out, " %v)", btrfsprim.ObjID(key.Offset).Format(btrfsprim.QGROUP_RELATION_KEY))
case btrfsitem.UUID_SUBVOL_KEY, btrfsitem.UUID_RECEIVED_SUBVOL_KEY:
textui.Fprintf(&out, " %#08x)", key.Offset)
case btrfsitem.ROOT_ITEM_KEY:
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-05 13:54:10 +0000