btrfs: reorder btrfs_transaction members for better packing

There are now 20 bytes of holes, we can reduce that to 4 by minor
changes. Moving 'aborted' to the status and flags is also more logical,
similar for num_dirty_bgs. The size goes from 432 to 416.

Reviewed-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h
index 1805fd101767..6beee072b1bd 100644
--- a/fs/btrfs/transaction.h
+++ b/fs/btrfs/transaction.h
@@ -58,6 +58,7 @@ struct btrfs_transaction {
 
         /* Be protected by fs_info->trans_lock when we want to change it. */
         enum btrfs_trans_state state;
+        int aborted;
         struct list_head list;
         struct extent_io_tree dirty_pages;
         unsigned long start_time;
@@ -70,7 +71,6 @@ struct btrfs_transaction {
         struct list_head dirty_bgs;
         struct list_head io_bgs;
         struct list_head dropped_roots;
-        unsigned int num_dirty_bgs;
 
         /*
          * we need to make sure block group deletion doesn't race with
@@ -79,11 +79,11 @@ struct btrfs_transaction {
          */
         struct mutex cache_write_mutex;
         spinlock_t dirty_bgs_lock;
+        unsigned int num_dirty_bgs;
         /* Protected by spin lock fs_info->unused_bgs_lock. */
         struct list_head deleted_bgs;
         spinlock_t dropped_roots_lock;
         struct btrfs_delayed_ref_root delayed_refs;
-        int aborted;
         struct btrfs_fs_info *fs_info;
 };