Btrfs: record first logical byte in memory

[linux-imx.git] / fs / btrfs / disk-io.c

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 1db8a99388293d7699a7c2f8c46cc14af1e759a7..04f98e3ffd90e6c6e0bc40f49b7ebdfdeccd0504 100644 (file)
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -2130,6 +2130,7 @@ int open_ctree(struct super_block *sb,
 
        spin_lock_init(&fs_info->block_group_cache_lock);
        fs_info->block_group_cache_tree = RB_ROOT;
+       fs_info->first_logical_byte = (u64)-1;
 
        extent_io_tree_init(&fs_info->freed_extents[0],
                             fs_info->btree_inode->i_mapping);