xfs: get rid of the log item descriptor

It's just a connector between a transaction and a log item. There's
a 1:1 relationship between a log item descriptor and a log item,
and a 1:1 relationship between a log item descriptor and a
transaction. Both relationships are created and terminated at the
same time, so why do we even have the descriptor?

Replace it with a specific list_head in the log item and a new
log item dirtied flag to replace the XFS_LID_DIRTY flag.

Signed-Off-By: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
[darrick: fix up deferred agfl intent finish_item use of LID_DIRTY]
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/fs/xfs/xfs_trans_inode.c b/fs/xfs/xfs_trans_inode.c
index 07cea592dc01..f7bd7960a90f 100644
--- a/fs/xfs/xfs_trans_inode.c
+++ b/fs/xfs/xfs_trans_inode.c
@@ -133,14 +133,13 @@ xfs_trans_log_inode(
          * set however, then go ahead and bump the i_version counter
          * unconditionally.
          */
-        if (!(ip->i_itemp->ili_item.li_desc->lid_flags & XFS_LID_DIRTY) &&
+        if (!test_and_set_bit(XFS_LI_DIRTY, &ip->i_itemp->ili_item.li_flags) &&
             IS_I_VERSION(VFS_I(ip))) {
                 if (inode_maybe_inc_iversion(VFS_I(ip), flags & XFS_ILOG_CORE))
                         flags |= XFS_ILOG_CORE;
         }
 
         tp->t_flags |= XFS_TRANS_DIRTY;
-        ip->i_itemp->ili_item.li_desc->lid_flags |= XFS_LID_DIRTY;
 
         /*
          * Always OR in the bits from the ili_last_fields field.