From 371935de1870f14564a49effc98d0a10a145ecae Mon Sep 17 00:00:00 2001
From: hyche <cvghy116@gmail.com>
Date: Tue, 29 Aug 2017 06:21:42 +0700
Subject: [PATCH] BTRFS: Implement Insert() in Inode that inserts inode_item.

Signed-off-by: Augustin Cavalier <waddlesplash@gmail.com>
---
 .../kernel/file_systems/btrfs/Inode.cpp       | 24 ++++++++++++++++++-
 src/add-ons/kernel/file_systems/btrfs/Inode.h |  2 ++
 src/add-ons/kernel/file_systems/btrfs/btrfs.h |  1 +
 3 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/src/add-ons/kernel/file_systems/btrfs/Inode.cpp b/src/add-ons/kernel/file_systems/btrfs/Inode.cpp
index bb3b49c775..f9229ade26 100644
--- a/src/add-ons/kernel/file_systems/btrfs/Inode.cpp
+++ b/src/add-ons/kernel/file_systems/btrfs/Inode.cpp
@@ -7,7 +7,6 @@
 
 
 #include "Inode.h"
-#include "BTree.h"
 #include "CachedBlock.h"
 #include "Utility.h"
 
@@ -372,3 +371,26 @@ Inode::FindParent(ino_t* id)
 	return B_OK;
 }
 
+
+/* Insert inode_item
+ */
+status_t
+Inode::Insert(Transaction& transaction, BTree::Path* path)
+{
+	BTree* tree = path->Tree();
+
+	btrfs_entry item;
+	item.key.SetObjectID(fID);
+	item.key.SetType(BTRFS_KEY_TYPE_INODE_ITEM);
+	item.key.SetOffset(0);
+	item.SetSize(sizeof(btrfs_inode));
+
+	void* data[1];
+	data[0] = (void*)&fNode;
+	status_t status = tree->InsertEntries(transaction, path, &item, data, 1);
+	if (status != B_OK)
+		return status;
+
+
+	return B_OK;
+}
diff --git a/src/add-ons/kernel/file_systems/btrfs/Inode.h b/src/add-ons/kernel/file_systems/btrfs/Inode.h
index 29c106d1c0..60c5aa083e 100644
--- a/src/add-ons/kernel/file_systems/btrfs/Inode.h
+++ b/src/add-ons/kernel/file_systems/btrfs/Inode.h
@@ -10,6 +10,7 @@
 #include "btrfs.h"
 #include "Volume.h"
 #include "Journal.h"
+#include "BTree.h"
 
 
 //#define TRACE_BTRFS
@@ -70,6 +71,7 @@ public:
 	static	Inode*		Create(Transaction& transaction, ino_t id,
 							Inode* parent, int32 mode, uint64 size = 0,
 							uint64 flags = 0);
+			status_t	Insert(Transaction& transaction, BTree::Path* path);
 private:
 						Inode(Volume* volume);
 						Inode(const Inode&);
diff --git a/src/add-ons/kernel/file_systems/btrfs/btrfs.h b/src/add-ons/kernel/file_systems/btrfs/btrfs.h
index 2567c3b61d..a1121f4881 100644
--- a/src/add-ons/kernel/file_systems/btrfs/btrfs.h
+++ b/src/add-ons/kernel/file_systems/btrfs/btrfs.h
@@ -145,6 +145,7 @@ struct btrfs_entry {
 	uint32 Size() const
 		{ return B_LENDIAN_TO_HOST_INT32(size); }
 	void SetOffset(uint32 off) { offset = B_HOST_TO_LENDIAN_INT32(off); }
+	void SetSize(uint32 itemSize) { size = B_HOST_TO_LENDIAN_INT32(itemSize); }
 } _PACKED;