Btrfs: wait on ordered extents at the last possible moment

[linux-2.6-block.git] / fs / btrfs / inode.c

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 35d15244493267bcf3c75940e54e4c97870e21e1..31a871ec48f2365c5e7d5bae564e88fa1ab2338f 100644 (file)
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -700,6 +700,8 @@ retry:
                em->start = async_extent->start;
                em->len = async_extent->ram_size;
                em->orig_start = em->start;
+               em->mod_start = em->start;
+               em->mod_len = em->len;
 
                em->block_start = ins.objectid;
                em->block_len = ins.offset;
@@ -892,6 +894,8 @@ static noinline int __cow_file_range(struct btrfs_trans_handle *trans,
                em->orig_start = em->start;
                ram_size = ins.offset;
                em->len = ins.offset;
+               em->mod_start = em->start;
+               em->mod_len = em->len;
 
                em->block_start = ins.objectid;
                em->block_len = ins.offset;
@@ -1338,6 +1342,8 @@ out_check:
                        em->block_start = disk_bytenr;
                        em->orig_block_len = disk_num_bytes;
                        em->bdev = root->fs_info->fs_devices->latest_bdev;
+                       em->mod_start = em->start;
+                       em->mod_len = em->len;
                        set_bit(EXTENT_FLAG_PINNED, &em->flags);
                        set_bit(EXTENT_FLAG_FILLING, &em->flags);
                        em->generation = -1;
@@ -5966,6 +5972,8 @@ static struct extent_map *create_pinned_em(struct inode *inode, u64 start,
 
        em->start = start;
        em->orig_start = orig_start;
+       em->mod_start = start;
+       em->mod_len = len;
        em->len = len;
        em->block_len = block_len;
        em->block_start = block_start;