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xfs: add a bests pointer to struct xfs_dir3_icfree_hdr

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All but two callers of the ->free_bests_p dir operation already have a
struct xfs_dir3_icfree_hdr from a previous call to
xfs_dir2_free_hdr_from_disk at hand.  Add a pointer to the bests to
struct xfs_dir3_icfree_hdr to clean up this pattern.  To optimize this
pattern, pass the struct xfs_dir3_icfree_hdr to xfs_dir2_free_log_bests
instead of recalculating the pointer there.

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 14:58:05 -08:00 • committed by Darrick J. Wong
parent 195b0a44ab
commit a84f3d5cb0
6 changed files with 48 additions and 83 deletions
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6
fs/xfs/libxfs/xfs_dir2_priv.h
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@ -31,6 +31,12 @@ struct xfs_dir3_icfree_hdr {
uint32_t firstdb;
uint32_t nvalid;
uint32_t nused;
/*
* Pointer to the on-disk format entries, which are behind the
* variable size (v4 vs v5) header in the on-disk block.
*/
__be16 *bests;
};
/* xfs_dir2.c */