Commit 5893e4fe authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Darrick J. Wong
Browse files

xfs: move the max dir2 free bests count to struct xfs_da_geometry 



Move the max free bests count towards our structure for dir/attr
geometry parameters.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarDarrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: default avatarDarrick J. Wong <darrick.wong@oracle.com>
parent ed1d612f

fs/xfs/libxfs/xfs_da_btree.h

+1 −0
Original line number Diff line number Diff line
@@ -30,6 +30,7 @@ struct xfs_da_geometry { 
	unsigned int	leaf_max_ents;	/* # of entries in dir2 leaf */

	xfs_dablk_t	leafblk;	/* blockno of leaf data v2 */

	unsigned int	free_hdr_size;	/* dir2 free header size */

	unsigned int	free_max_bests;	/* # of bests entries in dir2 free */

	xfs_dablk_t	freeblk;	/* blockno of free data v2 */

};

fs/xfs/libxfs/xfs_da_format.c

+4 −25
Original line number Diff line number Diff line
@@ -400,17 +400,6 @@ xfs_dir3_data_unused_p(struct xfs_dir2_data_hdr *hdr) 
		((char *)hdr + sizeof(struct xfs_dir3_data_hdr));

}





/*

 * Directory free space block operations

 */

static int

xfs_dir2_free_max_bests(struct xfs_da_geometry *geo)

{

	return (geo->blksize - sizeof(struct xfs_dir2_free_hdr)) /

		sizeof(xfs_dir2_data_off_t);

}



/*

 * Convert data space db to the corresponding free db.

 */
@@ -418,7 +407,7 @@ static xfs_dir2_db_t 
xfs_dir2_db_to_fdb(struct xfs_da_geometry *geo, xfs_dir2_db_t db)

{

	return xfs_dir2_byte_to_db(geo, XFS_DIR2_FREE_OFFSET) +

			(db / xfs_dir2_free_max_bests(geo));

			(db / geo->free_max_bests);

}



/*
@@ -427,14 +416,7 @@ xfs_dir2_db_to_fdb(struct xfs_da_geometry *geo, xfs_dir2_db_t db) 
static int

xfs_dir2_db_to_fdindex(struct xfs_da_geometry *geo, xfs_dir2_db_t db)

{

	return db % xfs_dir2_free_max_bests(geo);

}



static int

xfs_dir3_free_max_bests(struct xfs_da_geometry *geo)

{

	return (geo->blksize - sizeof(struct xfs_dir3_free_hdr)) /

		sizeof(xfs_dir2_data_off_t);

	return db % geo->free_max_bests;

}



/*
@@ -444,7 +426,7 @@ static xfs_dir2_db_t 
xfs_dir3_db_to_fdb(struct xfs_da_geometry *geo, xfs_dir2_db_t db)

{

	return xfs_dir2_byte_to_db(geo, XFS_DIR2_FREE_OFFSET) +

			(db / xfs_dir3_free_max_bests(geo));

			(db / geo->free_max_bests);

}



/*
@@ -453,7 +435,7 @@ xfs_dir3_db_to_fdb(struct xfs_da_geometry *geo, xfs_dir2_db_t db) 
static int

xfs_dir3_db_to_fdindex(struct xfs_da_geometry *geo, xfs_dir2_db_t db)

{

	return db % xfs_dir3_free_max_bests(geo);

	return db % geo->free_max_bests;

}



static const struct xfs_dir_ops xfs_dir2_ops = {
@@ -486,7 +468,6 @@ static const struct xfs_dir_ops xfs_dir2_ops = { 
	.data_entry_p = xfs_dir2_data_entry_p,

	.data_unused_p = xfs_dir2_data_unused_p,



	.free_max_bests = xfs_dir2_free_max_bests,

	.db_to_fdb = xfs_dir2_db_to_fdb,

	.db_to_fdindex = xfs_dir2_db_to_fdindex,

};
@@ -521,7 +502,6 @@ static const struct xfs_dir_ops xfs_dir2_ftype_ops = { 
	.data_entry_p = xfs_dir2_data_entry_p,

	.data_unused_p = xfs_dir2_data_unused_p,



	.free_max_bests = xfs_dir2_free_max_bests,

	.db_to_fdb = xfs_dir2_db_to_fdb,

	.db_to_fdindex = xfs_dir2_db_to_fdindex,

};
@@ -556,7 +536,6 @@ static const struct xfs_dir_ops xfs_dir3_ops = { 
	.data_entry_p = xfs_dir3_data_entry_p,

	.data_unused_p = xfs_dir3_data_unused_p,



	.free_max_bests = xfs_dir3_free_max_bests,

	.db_to_fdb = xfs_dir3_db_to_fdb,

	.db_to_fdindex = xfs_dir3_db_to_fdindex,

};

fs/xfs/libxfs/xfs_dir2.c

+2 −0
Original line number Diff line number Diff line
@@ -133,6 +133,8 @@ xfs_da_mount( 
	}

	dageo->leaf_max_ents = (dageo->blksize - dageo->leaf_hdr_size) /

			sizeof(struct xfs_dir2_leaf_entry);

	dageo->free_max_bests = (dageo->blksize - dageo->free_hdr_size) /

			sizeof(xfs_dir2_data_off_t);



	/*

	 * Now we've set up the block conversion variables, we can calculate the

fs/xfs/libxfs/xfs_dir2.h

+0 −1
Original line number Diff line number Diff line
@@ -72,7 +72,6 @@ struct xfs_dir_ops { 
	struct xfs_dir2_data_unused *

		(*data_unused_p)(struct xfs_dir2_data_hdr *hdr);



	int	(*free_max_bests)(struct xfs_da_geometry *geo);

	xfs_dir2_db_t (*db_to_fdb)(struct xfs_da_geometry *geo,

				   xfs_dir2_db_t db);

	int	(*db_to_fdindex)(struct xfs_da_geometry *geo,

fs/xfs/libxfs/xfs_dir2_node.c

+5 −7
Original line number Diff line number Diff line
@@ -160,10 +160,9 @@ xfs_dir3_free_header_check( 
	struct xfs_buf		*bp)

{

	struct xfs_mount	*mp = dp->i_mount;

	int			maxbests = mp->m_dir_geo->free_max_bests;

	unsigned int		firstdb;

	int			maxbests;



	maxbests = dp->d_ops->free_max_bests(mp->m_dir_geo);

	firstdb = (xfs_dir2_da_to_db(mp->m_dir_geo, fbno) -

		   xfs_dir2_byte_to_db(mp->m_dir_geo, XFS_DIR2_FREE_OFFSET)) *

			maxbests;
@@ -562,8 +561,7 @@ xfs_dir2_free_hdr_check( 


	xfs_dir2_free_hdr_from_disk(dp->i_mount, &hdr, bp->b_addr);



	ASSERT((hdr.firstdb %

		dp->d_ops->free_max_bests(dp->i_mount->m_dir_geo)) == 0);

	ASSERT((hdr.firstdb % dp->i_mount->m_dir_geo->free_max_bests) == 0);

	ASSERT(hdr.firstdb <= db);

	ASSERT(db < hdr.firstdb + hdr.nvalid);

}
@@ -1340,7 +1338,7 @@ xfs_dir2_leafn_remove( 
		struct xfs_dir3_icfree_hdr freehdr;



		xfs_dir2_free_hdr_from_disk(dp->i_mount, &freehdr, free);

		ASSERT(freehdr.firstdb == dp->d_ops->free_max_bests(args->geo) *

		ASSERT(freehdr.firstdb == args->geo->free_max_bests *

			(fdb - xfs_dir2_byte_to_db(args->geo,

						   XFS_DIR2_FREE_OFFSET)));

	}
@@ -1733,7 +1731,7 @@ xfs_dir2_node_add_datablk( 
		/* Remember the first slot as our empty slot. */

		hdr->firstdb = (fbno - xfs_dir2_byte_to_db(args->geo,

							XFS_DIR2_FREE_OFFSET)) *

				dp->d_ops->free_max_bests(args->geo);

				args->geo->free_max_bests;

	} else {

		xfs_dir2_free_hdr_from_disk(mp, hdr, fbp->b_addr);

	}
@@ -1743,7 +1741,7 @@ xfs_dir2_node_add_datablk( 


	/* Extend the freespace table if the new data block is off the end. */

	if (*findex >= hdr->nvalid) {

		ASSERT(*findex < dp->d_ops->free_max_bests(args->geo));

		ASSERT(*findex < args->geo->free_max_bests);

		hdr->nvalid = *findex + 1;

		hdr->bests[*findex] = cpu_to_be16(NULLDATAOFF);

	}

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