Btrfs: Drop some debugging around the extent_map pinned flag

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

2 files changed, 1 insertions, 31 deletions

diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index d3f2fe0b7c6c..c78f184ee5cc 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -380,15 +380,7 @@ int btrfs_drop_extent_cache(struct inode *inode, u64 start, u64 end)
                         spin_unlock(&em_tree->lock);
                         break;
                 }
-                if (test_bit(EXTENT_FLAG_PINNED, &em->flags)) {
-                        printk(KERN_CRIT "inode %lu trying to drop pinned "
-                               "extent start %llu end %llu, em [%llu %llu]\n",
-                               inode->i_ino,
-                               (unsigned long long)start,
-                               (unsigned long long)end,
-                               (unsigned long long)em->start,
-                               (unsigned long long)em->len);
-                }
+                clear_bit(EXTENT_FLAG_PINNED, &em->flags);
                 remove_extent_mapping(em_tree, em);
 
                 if (em->block_start < EXTENT_MAP_LAST_BYTE &&
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 31d52c51acc3..76365ad9bfbf 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -505,15 +505,9 @@ static int btrfs_finish_ordered_io(struct inode *inode, u64 start, u64 end)
         struct btrfs_trans_handle *trans;
         struct btrfs_ordered_extent *ordered_extent;
         struct extent_io_tree *io_tree = &BTRFS_I(inode)->io_tree;
-        struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree;
-        struct extent_map *em;
-        struct extent_map *em_orig;
         u64 alloc_hint = 0;
-        u64 clear_start;
-        u64 clear_end;
         struct list_head list;
         struct btrfs_key ins;
-        struct rb_node *rb;
         int ret;
 
         ret = btrfs_dec_test_ordered_pending(inode, start, end - start + 1);
@@ -542,22 +536,6 @@ static int btrfs_finish_ordered_io(struct inode *inode, u64 start, u64 end)
 
         mutex_lock(&BTRFS_I(inode)->extent_mutex);
 
-        spin_lock(&em_tree->lock);
-        clear_start = ordered_extent->file_offset;
-        clear_end = ordered_extent->file_offset + ordered_extent->len;
-        em = lookup_extent_mapping(em_tree, clear_start,
-                                   ordered_extent->len);
-        em_orig = em;
-        while(em && clear_start < extent_map_end(em) && clear_end > em->start) {
-                clear_bit(EXTENT_FLAG_PINNED, &em->flags);
-                rb = rb_next(&em->rb_node);
-                if (!rb)
-                        break;
-                em = rb_entry(rb, struct extent_map, rb_node);
-        }
-        free_extent_map(em_orig);
-        spin_unlock(&em_tree->lock);
-
         ret = btrfs_drop_extents(trans, root, inode,
                                  ordered_extent->file_offset,
                                  ordered_extent->file_offset +