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xfs: get rid of the log item descriptor

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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>
This commit is contained in:
Dave Chinner 2018-05-09 07:49:37 -07:00 • committed by Darrick J. Wong
parent 1a2ebf835a
commit e6631f8554
18 changed files with 63 additions and 124 deletions
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2
fs/xfs/xfs_icreate_item.c
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@ -184,5 +184,5 @@ xfs_icreate_log(
xfs_trans_add_item(tp, &icp->ic_item);
tp->t_flags |= XFS_TRANS_DIRTY;
icp->ic_item.li_desc->lid_flags |= XFS_LID_DIRTY;
set_bit(XFS_LI_DIRTY, &icp->ic_item.li_flags);
}