btrfs: Add handler for invalidate page

[deliverable/linux.git] / fs / btrfs / ioctl.c

diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 685df7e1b24e531ae9a6f15c81c0475f8e25251c..7ed033a842121531c93f8b18c3e23f3eb8707817 100644 (file)
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1120,7 +1120,8 @@ static int cluster_pages_for_defrag(struct inode *inode,
        page_cnt = min_t(u64, (u64)num_pages, (u64)file_end - start_index + 1);
 
        ret = btrfs_delalloc_reserve_space(inode,
-                                          page_cnt << PAGE_CACHE_SHIFT);
+                       start_index << PAGE_CACHE_SHIFT,
+                       page_cnt << PAGE_CACHE_SHIFT);
        if (ret)
                return ret;
        i_done = 0;
@@ -1210,7 +1211,8 @@ again:
                BTRFS_I(inode)->outstanding_extents++;
                spin_unlock(&BTRFS_I(inode)->lock);
                btrfs_delalloc_release_space(inode,
-                                    (page_cnt - i_done) << PAGE_CACHE_SHIFT);
+                               start_index << PAGE_CACHE_SHIFT,
+                               (page_cnt - i_done) << PAGE_CACHE_SHIFT);
        }
 
 
@@ -1235,7 +1237,9 @@ out:
                unlock_page(pages[i]);
                page_cache_release(pages[i]);
        }
-       btrfs_delalloc_release_space(inode, page_cnt << PAGE_CACHE_SHIFT);
+       btrfs_delalloc_release_space(inode,
+                       start_index << PAGE_CACHE_SHIFT,
+                       page_cnt << PAGE_CACHE_SHIFT);
        return ret;
 
 }