Btrfs: fall back to non-inline if we don't have enough space

If cow_file_range_inline fails with ENOSPC we abort the transaction which
isn't very nice.  This really shouldn't be happening anyways but there's no
sense in making it a horrible error when we can easily just go allocate
normal data space for this stuff.  Thanks,

Signed-off-by: Josef Bacik <josef@redhat.com>

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 0298928..92df0a5 100644 (file)
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -257,10 +257,13 @@ static noinline int cow_file_range_inline(struct btrfs_trans_handle *trans,
        ret = insert_inline_extent(trans, root, inode, start,
                                   inline_len, compressed_size,
                                   compress_type, compressed_pages);
-       if (ret) {
+       if (ret && ret != -ENOSPC) {
                btrfs_abort_transaction(trans, root, ret);
                return ret;
+       } else if (ret == -ENOSPC) {
+               return 1;
        }
+
        btrfs_delalloc_release_metadata(inode, end + 1 - start);
        btrfs_drop_extent_cache(inode, start, aligned_end - 1, 0);
        return 0;