Add btrfs subvol find-new command

btrfs-subvol find-new <subvol> <id> will search through a given subvol
and print out all the files with extents newer than a given id.

Care must be taken to make sure any pending delalloc is on disk before
running this because that won't show up in the output.

1 files changed, 1 insertions, 1 deletions

diff --git a/ioctl.h b/ioctl.h
index 0859caed..776d7a9f 100644
--- a/ioctl.h
+++ b/ioctl.h
@@ -72,7 +72,7 @@ struct btrfs_ioctl_search_header {
 	__u64 offset;
 	__u32 type;
 	__u32 len;
-};
+} __attribute__((may_alias));
 
 #define BTRFS_SEARCH_ARGS_BUFSIZE (4096 - sizeof(struct btrfs_ioctl_search_key))
 /*