Btrfs: Create extent_buffer interface for large blocksizes

Signed-off-by: Chris Mason <chris.mason@oracle.com>

1 files changed, 9 insertions, 8 deletions

diff --git a/fs/btrfs/inode-map.c b/fs/btrfs/inode-map.c
index 405470866254..ab74977adf5c 100644
--- a/fs/btrfs/inode-map.c
+++ b/fs/btrfs/inode-map.c
@@ -24,8 +24,9 @@ int btrfs_find_highest_inode(struct btrfs_root *root, u64 *objectid)
 {
         struct btrfs_path *path;
         int ret;
-        struct btrfs_leaf *l;
+        struct extent_buffer *l;
         struct btrfs_key search_key;
+        struct btrfs_key found_key;
         int slot;
 
         path = btrfs_alloc_path();
@@ -39,8 +40,9 @@ int btrfs_find_highest_inode(struct btrfs_root *root, u64 *objectid)
         BUG_ON(ret == 0);
         if (path->slots[0] > 0) {
                 slot = path->slots[0] - 1;
-                l = btrfs_buffer_leaf(path->nodes[0]);
-                *objectid = btrfs_disk_key_objectid(&l->items[slot].key);
+                l = path->nodes[0];
+                btrfs_item_key_to_cpu(l, &found_key, slot);
+                *objectid = found_key.objectid;
         } else {
                 *objectid = BTRFS_FIRST_FREE_OBJECTID;
         }
@@ -64,13 +66,12 @@ int btrfs_find_free_objectid(struct btrfs_trans_handle *trans,
         int slot = 0;
         u64 last_ino = 0;
         int start_found;
-        struct btrfs_leaf *l;
+        struct extent_buffer *l;
         struct btrfs_key search_key;
         u64 search_start = dirid;
 
         path = btrfs_alloc_path();
         BUG_ON(!path);
-        search_key.flags = 0;
         search_start = root->last_inode_alloc;
         search_start = max(search_start, BTRFS_FIRST_FREE_OBJECTID);
         search_key.objectid = search_start;
@@ -86,9 +87,9 @@ int btrfs_find_free_objectid(struct btrfs_trans_handle *trans,
                 path->slots[0]--;
 
         while (1) {
-                l = btrfs_buffer_leaf(path->nodes[0]);
+                l = path->nodes[0];
                 slot = path->slots[0];
-                if (slot >= btrfs_header_nritems(&l->header)) {
+                if (slot >= btrfs_header_nritems(l)) {
                         ret = btrfs_next_leaf(root, path);
                         if (ret == 0)
                                 continue;
@@ -103,7 +104,7 @@ int btrfs_find_free_objectid(struct btrfs_trans_handle *trans,
                                 last_ino : search_start;
                         goto found;
                 }
-                btrfs_disk_key_to_cpu(&key, &l->items[slot].key);
+                btrfs_item_key_to_cpu(l, &key, slot);
                 if (key.objectid >= search_start) {
                         if (start_found) {
                                 if (last_ino < search_start)