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Diffstat (limited to 'fs/btrfs/extent-tree.c')
-rw-r--r--fs/btrfs/extent-tree.c18
1 files changed, 2 insertions, 16 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index d56589571012..47c1ba141082 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -710,8 +710,8 @@ void btrfs_clear_space_info_full(struct btrfs_fs_info *info)
710 rcu_read_unlock(); 710 rcu_read_unlock();
711} 711}
712 712
713/* simple helper to search for an existing extent at a given offset */ 713/* simple helper to search for an existing data extent at a given offset */
714int btrfs_lookup_extent(struct btrfs_root *root, u64 start, u64 len) 714int btrfs_lookup_data_extent(struct btrfs_root *root, u64 start, u64 len)
715{ 715{
716 int ret; 716 int ret;
717 struct btrfs_key key; 717 struct btrfs_key key;
@@ -726,12 +726,6 @@ int btrfs_lookup_extent(struct btrfs_root *root, u64 start, u64 len)
726 key.type = BTRFS_EXTENT_ITEM_KEY; 726 key.type = BTRFS_EXTENT_ITEM_KEY;
727 ret = btrfs_search_slot(NULL, root->fs_info->extent_root, &key, path, 727 ret = btrfs_search_slot(NULL, root->fs_info->extent_root, &key, path,
728 0, 0); 728 0, 0);
729 if (ret > 0) {
730 btrfs_item_key_to_cpu(path->nodes[0], &key, path->slots[0]);
731 if (key.objectid == start &&
732 key.type == BTRFS_METADATA_ITEM_KEY)
733 ret = 0;
734 }
735 btrfs_free_path(path); 729 btrfs_free_path(path);
736 return ret; 730 return ret;
737} 731}
@@ -786,7 +780,6 @@ search_again:
786 else 780 else
787 key.type = BTRFS_EXTENT_ITEM_KEY; 781 key.type = BTRFS_EXTENT_ITEM_KEY;
788 782
789again:
790 ret = btrfs_search_slot(trans, root->fs_info->extent_root, 783 ret = btrfs_search_slot(trans, root->fs_info->extent_root,
791 &key, path, 0, 0); 784 &key, path, 0, 0);
792 if (ret < 0) 785 if (ret < 0)
@@ -802,13 +795,6 @@ again:
802 key.offset == root->nodesize) 795 key.offset == root->nodesize)
803 ret = 0; 796 ret = 0;
804 } 797 }
805 if (ret) {
806 key.objectid = bytenr;
807 key.type = BTRFS_EXTENT_ITEM_KEY;
808 key.offset = root->nodesize;
809 btrfs_release_path(path);
810 goto again;
811 }
812 } 798 }
813 799
814 if (ret == 0) { 800 if (ret == 0) {