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>

1 files changed, 4 insertions, 1 deletions

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 029892887fc1..92df0a5d1d94 100644
--- 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;