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authorChris Mason <chris.mason@oracle.com>2007-03-16 02:03:33 +0300
committerDavid Woodhouse <dwmw2@hera.kernel.org>2007-03-16 02:03:33 +0300
commit1e1d27017c5986c1ea81181506042cf9cba3f6ea (patch)
treeaad9439d33f45543d7b041c3609ab180c2283526 /fs/btrfs/inode-item.c
parent1d4f6404de26df49eb8452f8fdf7672b59f407fc (diff)
downloadlinux-1e1d27017c5986c1ea81181506042cf9cba3f6ea.tar.xz
Btrfs: add inode item
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/inode-item.c')
-rw-r--r--fs/btrfs/inode-item.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/fs/btrfs/inode-item.c b/fs/btrfs/inode-item.c
new file mode 100644
index 000000000000..4908f9afdf86
--- /dev/null
+++ b/fs/btrfs/inode-item.c
@@ -0,0 +1,37 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include "kerncompat.h"
+#include "radix-tree.h"
+#include "ctree.h"
+#include "disk-io.h"
+
+int btrfs_insert_inode(struct btrfs_root *root, u64 objectid,
+ struct btrfs_inode_item *inode_item)
+{
+ struct btrfs_path path;
+ struct btrfs_key key;
+ int ret;
+ key.objectid = objectid;
+ key.flags = 0;
+ btrfs_set_key_type(&key, BTRFS_INODE_ITEM_KEY);
+ key.offset = 0;
+
+ btrfs_init_path(&path);
+ ret = btrfs_insert_item(root, &key, inode_item, sizeof(*inode_item));
+ btrfs_release_path(root, &path);
+ return ret;
+}
+
+int btrfs_lookup_inode(struct btrfs_root *root, struct btrfs_path *path,
+ u64 objectid, int mod)
+{
+ struct btrfs_key key;
+ int ins_len = mod < 0 ? -1 : 0;
+ int cow = mod != 0;
+
+ key.objectid = objectid;
+ key.flags = 0;
+ btrfs_set_key_type(&key, BTRFS_INODE_ITEM_KEY);
+ key.offset = 0;
+ return btrfs_search_slot(root, &key, path, ins_len, cow);
+}