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xfs: remove the ->data_dot_entry_p and ->data_dotdot_entry_p methods

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The only user of the ->data_dot_entry_p and ->data_dotdot_entry_p
methods is the xfs_dir2_sf_to_block function that builds block format
directorys from a short form directory.  It already uses pointer
arithmetics with a offset variable to do so for the real entries in
the directory, so switch the generation of the . and .. entries to
the same scheme, and clean up some of the later pointer arithmetics
to use bp->b_addr directly as well and avoid some casts.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
This commit is contained in:
Christoph Hellwig
2019-11-08 15:05:31 -08:00
committed by Darrick J. Wong
parent 2eb68a5d36
commit da3ca0df8b
3 changed files with 26 additions and 84 deletions
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4
fs/xfs/libxfs/xfs_dir2.h
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@@ -43,10 +43,6 @@ struct xfs_dir_ops {
xfs_dir2_data_aoff_t data_first_offset;
size_t data_entry_offset;
struct xfs_dir2_data_entry *
(*data_dot_entry_p)(struct xfs_dir2_data_hdr *hdr);
struct xfs_dir2_data_entry *
(*data_dotdot_entry_p)(struct xfs_dir2_data_hdr *hdr);
struct xfs_dir2_data_entry *
(*data_entry_p)(struct xfs_dir2_data_hdr *hdr);
struct xfs_dir2_data_unused *