[PATCH] BTRFS: Transpose parent_objectid and parent_gen in structbtrfs_fid

[David Howells]

Transpose parent_objectid and parent_gen in struct btrfs_fid so that gen and
parent_gen (both u32) are adjacent, thus packing nicely between the u64
members.

This would seem to be reasonable as the parent generation number is always
used if the parent objectid is.

Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
---

 fs/btrfs/export.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)


diff --git a/fs/btrfs/export.h b/fs/btrfs/export.h
index 074348a..319cc6e 100644
--- a/fs/btrfs/export.h
+++ b/fs/btrfs/export.h
@@ -10,8 +10,8 @@ struct btrfs_fid {
 	u64 root_objectid;
 	u32 gen;
 
-	u64 parent_objectid;
 	u32 parent_gen;
+	u64 parent_objectid;
 
 	u64 parent_root_objectid;
 } __attribute__ ((packed));

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