Merge tag 'xfs-for-linus-3.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git...

[pandora-kernel.git] / fs / btrfs / tree-log.c

diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index 9e1f2cd..7e0e6e3 100644 (file)
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -3298,7 +3298,7 @@ static noinline int copy_items(struct btrfs_trans_handle *trans,
        struct list_head ordered_sums;
        int skip_csum = BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM;
        bool has_extents = false;
-       bool need_find_last_extent = (*last_extent == 0);
+       bool need_find_last_extent = true;
        bool done = false;
 
        INIT_LIST_HEAD(&ordered_sums);
@@ -3352,8 +3352,7 @@ static noinline int copy_items(struct btrfs_trans_handle *trans,
                 */
                if (ins_keys[i].type == BTRFS_EXTENT_DATA_KEY) {
                        has_extents = true;
-                       if (need_find_last_extent &&
-                           first_key.objectid == (u64)-1)
+                       if (first_key.objectid == (u64)-1)
                                first_key = ins_keys[i];
                } else {
                        need_find_last_extent = false;
@@ -3427,6 +3426,16 @@ static noinline int copy_items(struct btrfs_trans_handle *trans,
        if (!has_extents)
                return ret;
 
+       if (need_find_last_extent && *last_extent == first_key.offset) {
+               /*
+                * We don't have any leafs between our current one and the one
+                * we processed before that can have file extent items for our
+                * inode (and have a generation number smaller than our current
+                * transaction id).
+                */
+               need_find_last_extent = false;
+       }
+
        /*
         * Because we use btrfs_search_forward we could skip leaves that were
         * not modified and then assume *last_extent is valid when it really
@@ -3537,7 +3546,7 @@ fill_holes:
                                               0, 0);
                if (ret)
                        break;
-               *last_extent = offset + len;
+               *last_extent = extent_end;
        }
        /*
         * Need to let the callers know we dropped the path so they should