Merge git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable

* git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable:
  Btrfs: btrfs_mark_extent_written uses the wrong slot

1 files changed, 4 insertions, 2 deletions

diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 9d080962996..6ed434ac037 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -720,13 +720,15 @@ again:
                                         inode->i_ino, orig_offset);
                 BUG_ON(ret);
         }
-        fi = btrfs_item_ptr(leaf, path->slots[0],
-                           struct btrfs_file_extent_item);
         if (del_nr == 0) {
+                fi = btrfs_item_ptr(leaf, path->slots[0],
+                           struct btrfs_file_extent_item);
                 btrfs_set_file_extent_type(leaf, fi,
                                            BTRFS_FILE_EXTENT_REG);
                 btrfs_mark_buffer_dirty(leaf);
         } else {
+                fi = btrfs_item_ptr(leaf, del_slot - 1,
+                           struct btrfs_file_extent_item);
                 btrfs_set_file_extent_type(leaf, fi,
                                            BTRFS_FILE_EXTENT_REG);
                 btrfs_set_file_extent_num_bytes(leaf, fi,