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BTRFS: Implement Insert() in Inode that inserts inode_item. 

Signed-off-by: Augustin Cavalier <waddlesplash@gmail.com>
This commit is contained in:
hyche 2017-08-29 06:21:42 +07:00 committed by Augustin Cavalier
parent 36a24fb34e
commit 371935de18
3 changed files with 26 additions and 1 deletions
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24
src/add-ons/kernel/file_systems/btrfs/Inode.cpp
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@ -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;
}

2
src/add-ons/kernel/file_systems/btrfs/Inode.h
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@ -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&);

1
src/add-ons/kernel/file_systems/btrfs/btrfs.h
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@ -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;