zygo: DEBUG: btrfs: wtf is the allocator _doing_?

(cherry picked from commit 7ec19335f8984c4a38e0e9fa6e1c095e26f19a7e)

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 05257b688b36fcb4428e9f8e40f01e18ed12135d..bb7f9feec8c77736f3169d094e37d291af93574d 100644 (file)
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -1980,6 +1980,7 @@ next:
               "max_hole_start=%llu max_hole_size=%llu search_end=%llu",
               max_hole_start, max_hole_size, search_end);
 out:
+       printk(KERN_ERR "device->devid = %llu, search_start=%llu, num_bytes = %llu -> max_hole_start = %llu, max_hole_size = %llu\n", device->devid, search_start, num_bytes, max_hole_start, max_hole_size);
        *start = max_hole_start;
        if (len)
                *len = max_hole_size;