Btrfs: drop owner and parentid

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

6 files changed, 6 insertions, 47 deletions

diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 39b551564fcf..f31ac843bf2e 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -688,8 +688,6 @@ static int insert_new_root(struct btrfs_trans_handle *trans, struct btrfs_root
         btrfs_set_header_level(&c->header, level);
         btrfs_set_header_blocknr(&c->header, t->b_blocknr);
         btrfs_set_header_generation(&c->header, trans->transid);
-        btrfs_set_header_parentid(&c->header,
-              btrfs_header_parentid(btrfs_buffer_header(root->node)));
         lower = btrfs_buffer_node(path->nodes[level-1]);
         memcpy(c->header.fsid, root->fs_info->disk_super->fsid,
                sizeof(c->header.fsid));
@@ -784,8 +782,6 @@ static int split_node(struct btrfs_trans_handle *trans, struct btrfs_root
         btrfs_set_header_level(&split->header, btrfs_header_level(&c->header));
         btrfs_set_header_blocknr(&split->header, split_buffer->b_blocknr);
         btrfs_set_header_generation(&split->header, trans->transid);
-        btrfs_set_header_parentid(&split->header,
-              btrfs_header_parentid(btrfs_buffer_header(root->node)));
         memcpy(split->header.fsid, root->fs_info->disk_super->fsid,
                sizeof(split->header.fsid));
         mid = (c_nritems + 1) / 2;
@@ -1145,8 +1141,6 @@ static int split_leaf(struct btrfs_trans_handle *trans, struct btrfs_root
         btrfs_set_header_blocknr(&right->header, right_buffer->b_blocknr);
         btrfs_set_header_generation(&right->header, trans->transid);
         btrfs_set_header_level(&right->header, 0);
-        btrfs_set_header_parentid(&right->header,
-              btrfs_header_parentid(btrfs_buffer_header(root->node)));
         memcpy(right->header.fsid, root->fs_info->disk_super->fsid,
                sizeof(right->header.fsid));
         if (mid <= slot) {
@@ -1237,8 +1231,6 @@ static int split_leaf(struct btrfs_trans_handle *trans, struct btrfs_root
         btrfs_set_header_blocknr(&right->header, right_buffer->b_blocknr);
         btrfs_set_header_generation(&right->header, trans->transid);
         btrfs_set_header_level(&right->header, 0);
-        btrfs_set_header_parentid(&right->header,
-              btrfs_header_parentid(btrfs_buffer_header(root->node)));
         memcpy(right->header.fsid, root->fs_info->disk_super->fsid,
                sizeof(right->header.fsid));
         btrfs_cpu_key_to_disk(&disk_key, ins_key);
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 5103709bb2b9..0ba560f0d2a6 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -60,7 +60,6 @@ struct btrfs_header {
         u8 fsid[16]; /* FS specific uuid */
         __le64 blocknr; /* which block this node is supposed to live in */
         __le64 generation;
-        __le64 parentid; /* objectid of the tree root */
         __le16 nritems;
         __le16 flags;
         u8 level;
@@ -147,7 +146,6 @@ struct btrfs_path {
  */
 struct btrfs_extent_item {
         __le32 refs;
-        __le64 owner;
 } __attribute__ ((__packed__));
 
 struct btrfs_inode_timespec {
@@ -443,16 +441,6 @@ static inline void btrfs_set_timespec_nsec(struct btrfs_inode_timespec *ts,
         ts->nsec = cpu_to_le32(val);
 }
 
-static inline u64 btrfs_extent_owner(struct btrfs_extent_item *ei)
-{
-        return le64_to_cpu(ei->owner);
-}
-
-static inline void btrfs_set_extent_owner(struct btrfs_extent_item *ei, u64 val)
-{
-        ei->owner = cpu_to_le64(val);
-}
-
 static inline u32 btrfs_extent_refs(struct btrfs_extent_item *ei)
 {
         return le32_to_cpu(ei->refs);
@@ -652,17 +640,6 @@ static inline void btrfs_set_header_generation(struct btrfs_header *h,
         h->generation = cpu_to_le64(val);
 }
 
-static inline u64 btrfs_header_parentid(struct btrfs_header *h)
-{
-        return le64_to_cpu(h->parentid);
-}
-
-static inline void btrfs_set_header_parentid(struct btrfs_header *h,
-                                             u64 parentid)
-{
-        h->parentid = cpu_to_le64(parentid);
-}
-
 static inline u16 btrfs_header_nritems(struct btrfs_header *h)
 {
         return le16_to_cpu(h->nritems);
@@ -919,7 +896,7 @@ struct buffer_head *btrfs_alloc_free_block(struct btrfs_trans_handle *trans,
                                             struct btrfs_root *root);
 int btrfs_alloc_extent(struct btrfs_trans_handle *trans, struct btrfs_root
                         *root, u64 num_blocks, u64 search_start, u64
-                        search_end, u64 owner, struct btrfs_key *ins);
+                        search_end, struct btrfs_key *ins);
 int btrfs_inc_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root,
                   struct buffer_head *buf);
 int btrfs_free_extent(struct btrfs_trans_handle *trans, struct btrfs_root
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index efc604eea0b0..be9630df506c 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -157,8 +157,6 @@ static int finish_current_insert(struct btrfs_trans_handle *trans, struct
         struct btrfs_fs_info *info = extent_root->fs_info;
 
         btrfs_set_extent_refs(&extent_item, 1);
-        btrfs_set_extent_owner(&extent_item,
-                btrfs_header_parentid(btrfs_buffer_header(extent_root->node)));
         ins.offset = 1;
         ins.flags = 0;
         btrfs_set_key_type(&ins, BTRFS_EXTENT_ITEM_KEY);
@@ -457,7 +455,7 @@ error:
  */
 int btrfs_alloc_extent(struct btrfs_trans_handle *trans, struct btrfs_root
                         *root, u64 num_blocks, u64 search_start, u64
-                        search_end, u64 owner, struct btrfs_key *ins)
+                        search_end, struct btrfs_key *ins)
 {
         int ret;
         int pending_ret;
@@ -467,7 +465,6 @@ int btrfs_alloc_extent(struct btrfs_trans_handle *trans, struct btrfs_root
         struct btrfs_extent_item extent_item;
 
         btrfs_set_extent_refs(&extent_item, 1);
-        btrfs_set_extent_owner(&extent_item, owner);
 
         if (root == extent_root) {
                 BUG_ON(extent_root->fs_info->current_insert.offset == 0);
@@ -510,8 +507,7 @@ struct buffer_head *btrfs_alloc_free_block(struct btrfs_trans_handle *trans,
         int ret;
         struct buffer_head *buf;
 
-        ret = btrfs_alloc_extent(trans, root, 1, 0, (unsigned long)-1,
-                btrfs_header_parentid(btrfs_buffer_header(root->node)), &ins);
+        ret = btrfs_alloc_extent(trans, root, 1, 0, (unsigned long)-1, &ins);
         if (ret) {
                 BUG();
                 return NULL;
diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c
index 2c98b620c594..d9fd7f4d3794 100644
--- a/fs/btrfs/file-item.c
+++ b/fs/btrfs/file-item.c
@@ -19,7 +19,7 @@ int btrfs_alloc_file_extent(struct btrfs_trans_handle *trans,
         BUG_ON(!path);
         btrfs_init_path(path);
         ret = btrfs_alloc_extent(trans, root, num_blocks, hint_block,
-                                 (u64)-1, objectid, &ins);
+                                 (u64)-1, &ins);
         BUG_ON(ret);
         file_key.objectid = objectid;
         file_key.offset = offset;
diff --git a/fs/btrfs/print-tree.c b/fs/btrfs/print-tree.c
index 854d47d9bdc9..0732a2fbb23a 100644
--- a/fs/btrfs/print-tree.c
+++ b/fs/btrfs/print-tree.c
@@ -50,8 +50,8 @@ void btrfs_print_leaf(struct btrfs_root *root, struct btrfs_leaf *l)
                         break;
                 case BTRFS_EXTENT_ITEM_KEY:
                         ei = btrfs_item_ptr(l, i, struct btrfs_extent_item);
-                        printk("\t\textent data refs %u owner %Lu\n",
-                                btrfs_extent_refs(ei), btrfs_extent_owner(ei));
+                        printk("\t\textent data refs %u\n",
+                                btrfs_extent_refs(ei));
                         break;
                 case BTRFS_STRING_ITEM_KEY:
                         printk("\t\titem data %.*s\n", btrfs_item_size(item),
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 54978d1bd958..f64c1729b0e1 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -163,7 +163,6 @@ int add_dirty_roots(struct btrfs_trans_handle *trans,
         int i;
         int ret;
         int err;
-printk("add dirty\n");
         while(1) {
                 ret = radix_tree_gang_lookup_tag(radix, (void **)gang, 0,
                                                  ARRAY_SIZE(gang),
@@ -188,7 +187,6 @@ printk("add dirty\n");
                         dirty->commit_root = root->commit_root;
                         root->commit_root = NULL;
                         dirty->root = root;
-printk("adding dirty root %Lu gen %Lu blocknr %Lu\n", root->root_key.objectid, root->root_key.offset, dirty->commit_root->b_blocknr);
                         root->root_key.offset = root->fs_info->generation;
                         btrfs_set_root_blocknr(&root->root_item,
                                                root->node->b_blocknr);
@@ -199,7 +197,6 @@ printk("adding dirty root %Lu gen %Lu blocknr %Lu\n", root->root_key.objectid, r
                         list_add(&dirty->list, list);
                 }
         }
-printk("add dirty done\n");
         return 0;
 }
 
@@ -213,12 +210,10 @@ int drop_dirty_roots(struct btrfs_root *tree_root, struct list_head *list)
                 dirty = list_entry(list->next, struct dirty_root, list);
                 list_del_init(&dirty->list);
                 trans = btrfs_start_transaction(tree_root, 1);
-printk("drop snapshot root %p, commit_root blocknr %Lu generation %Lu\n", dirty->root, dirty->commit_root->b_blocknr, dirty->snap_key.offset);
                 ret = btrfs_drop_snapshot(trans, dirty->root,
                                           dirty->commit_root);
                 BUG_ON(ret);
 
-printk("del root objectid %Lu, offset %Lu\n", dirty->snap_key.objectid, dirty->snap_key.offset);
                 ret = btrfs_del_root(trans, tree_root, &dirty->snap_key);
                 BUG_ON(ret);
                 ret = btrfs_end_transaction(trans, tree_root);
@@ -240,7 +235,6 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
 
         mutex_lock(&root->fs_info->trans_mutex);
         if (trans->transaction->in_commit) {
-printk("already in commit!, waiting\n");
                 cur_trans = trans->transaction;
                 trans->transaction->use_count++;
                 btrfs_end_transaction(trans, root);