Btrfs: Various small fixes.

This trivial patch contains two locking fixes and a off by one fix.

---

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

1 files changed, 2 insertions, 2 deletions

diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c
index 676e4bd65c52..db200e6baf7e 100644
--- a/fs/btrfs/ordered-data.c
+++ b/fs/btrfs/ordered-data.c
@@ -548,7 +548,7 @@ int btrfs_ordered_update_i_size(struct inode *inode,
                  */
                 test = rb_entry(node, struct btrfs_ordered_extent, rb_node);
                 if (test->file_offset > entry_end(ordered)) {
-                        i_size_test = test->file_offset - 1;
+                        i_size_test = test->file_offset;
                 }
         } else {
                 i_size_test = i_size_read(inode);
@@ -561,7 +561,7 @@ int btrfs_ordered_update_i_size(struct inode *inode,
          * disk_i_size to the end of the region.
          */
         if (i_size_test > entry_end(ordered) &&
-            !test_range_bit(io_tree, entry_end(ordered), i_size_test,
+            !test_range_bit(io_tree, entry_end(ordered), i_size_test - 1,
                            EXTENT_DELALLOC, 0)) {
                 new_i_size = min_t(u64, i_size_test, i_size_read(inode));
         }