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Commit 8d90857c authored by Darrick J. Wong's avatar Darrick J. Wong
Browse files

xfs: refactor free space btree record initialization 



Refactor the code that populates the free space btrees of a new AG so
that we can avoid code duplication once things start getting
complicated.

Signed-off-by: default avatarDarrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: default avatarAllison Collins <allison.henderson@oracle.com>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
parent 7e36a3a6

fs/xfs/libxfs/xfs_ag.c

+16 −11
Original line number Diff line number Diff line
@@ -56,37 +56,42 @@ xfs_btroot_init( 
	xfs_btree_init_block(mp, bp, id->type, 0, 0, id->agno);

}



/*

 * Alloc btree root block init functions

 */

/* Finish initializing a free space btree. */

static void

xfs_bnoroot_init(

xfs_freesp_init_recs(

	struct xfs_mount	*mp,

	struct xfs_buf		*bp,

	struct aghdr_init_data	*id)

{

	struct xfs_alloc_rec	*arec;



	xfs_btree_init_block(mp, bp, XFS_BTNUM_BNO, 0, 1, id->agno);

	arec = XFS_ALLOC_REC_ADDR(mp, XFS_BUF_TO_BLOCK(bp), 1);

	arec->ar_startblock = cpu_to_be32(mp->m_ag_prealloc_blocks);

	arec->ar_blockcount = cpu_to_be32(id->agsize -

					  be32_to_cpu(arec->ar_startblock));

}



/*

 * Alloc btree root block init functions

 */

static void

xfs_cntroot_init(

xfs_bnoroot_init(

	struct xfs_mount	*mp,

	struct xfs_buf		*bp,

	struct aghdr_init_data	*id)

{

	struct xfs_alloc_rec	*arec;

	xfs_btree_init_block(mp, bp, XFS_BTNUM_BNO, 0, 1, id->agno);

	xfs_freesp_init_recs(mp, bp, id);

}



static void

xfs_cntroot_init(

	struct xfs_mount	*mp,

	struct xfs_buf		*bp,

	struct aghdr_init_data	*id)

{

	xfs_btree_init_block(mp, bp, XFS_BTNUM_CNT, 0, 1, id->agno);

	arec = XFS_ALLOC_REC_ADDR(mp, XFS_BUF_TO_BLOCK(bp), 1);

	arec->ar_startblock = cpu_to_be32(mp->m_ag_prealloc_blocks);

	arec->ar_blockcount = cpu_to_be32(id->agsize -

					  be32_to_cpu(arec->ar_startblock));

	xfs_freesp_init_recs(mp, bp, id);

}



/*