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xfs: factor out AG header initialisation from growfs core
The intialisation of new AG headers is mostly common with the userspace mkfs code and growfs in the kernel, so start factoring it out so we can move it to libxfs and use it in both places. Signed-Off-By: Dave Chinner <dchinner@redhat.com> Reviewed-by: Brian Foster <bfoster@redhat.com> 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
Darrick J. Wong
parent
879de98ead
commit
cce77bcf48
1 changed files with 331 additions and 306 deletions
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@ -71,20 +71,344 @@ xfs_growfs_get_hdr_buf(
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return bp;
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}
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/*
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* Write new AG headers to disk. Non-transactional, but written
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* synchronously so they are completed prior to the growfs transaction
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* being logged.
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*/
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static int
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xfs_grow_ag_headers(
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struct xfs_mount *mp,
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xfs_agnumber_t agno,
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xfs_extlen_t agsize,
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xfs_rfsblock_t *nfree)
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{
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struct xfs_agf *agf;
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struct xfs_agi *agi;
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struct xfs_agfl *agfl;
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__be32 *agfl_bno;
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xfs_alloc_rec_t *arec;
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struct xfs_buf *bp;
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int bucket;
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xfs_extlen_t tmpsize;
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int error = 0;
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/*
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* AG freespace header block
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*/
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bp = xfs_growfs_get_hdr_buf(mp,
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XFS_AG_DADDR(mp, agno, XFS_AGF_DADDR(mp)),
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XFS_FSS_TO_BB(mp, 1), 0,
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&xfs_agf_buf_ops);
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if (!bp) {
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error = -ENOMEM;
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goto out_error;
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}
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agf = XFS_BUF_TO_AGF(bp);
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agf->agf_magicnum = cpu_to_be32(XFS_AGF_MAGIC);
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agf->agf_versionnum = cpu_to_be32(XFS_AGF_VERSION);
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agf->agf_seqno = cpu_to_be32(agno);
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agf->agf_length = cpu_to_be32(agsize);
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agf->agf_roots[XFS_BTNUM_BNOi] = cpu_to_be32(XFS_BNO_BLOCK(mp));
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agf->agf_roots[XFS_BTNUM_CNTi] = cpu_to_be32(XFS_CNT_BLOCK(mp));
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agf->agf_levels[XFS_BTNUM_BNOi] = cpu_to_be32(1);
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agf->agf_levels[XFS_BTNUM_CNTi] = cpu_to_be32(1);
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if (xfs_sb_version_hasrmapbt(&mp->m_sb)) {
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agf->agf_roots[XFS_BTNUM_RMAPi] =
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cpu_to_be32(XFS_RMAP_BLOCK(mp));
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agf->agf_levels[XFS_BTNUM_RMAPi] = cpu_to_be32(1);
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agf->agf_rmap_blocks = cpu_to_be32(1);
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}
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agf->agf_flfirst = cpu_to_be32(1);
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agf->agf_fllast = 0;
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agf->agf_flcount = 0;
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tmpsize = agsize - mp->m_ag_prealloc_blocks;
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agf->agf_freeblks = cpu_to_be32(tmpsize);
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agf->agf_longest = cpu_to_be32(tmpsize);
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if (xfs_sb_version_hascrc(&mp->m_sb))
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uuid_copy(&agf->agf_uuid, &mp->m_sb.sb_meta_uuid);
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if (xfs_sb_version_hasreflink(&mp->m_sb)) {
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agf->agf_refcount_root = cpu_to_be32(
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xfs_refc_block(mp));
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agf->agf_refcount_level = cpu_to_be32(1);
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agf->agf_refcount_blocks = cpu_to_be32(1);
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}
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error = xfs_bwrite(bp);
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xfs_buf_relse(bp);
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if (error)
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goto out_error;
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/*
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* AG freelist header block
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*/
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bp = xfs_growfs_get_hdr_buf(mp,
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XFS_AG_DADDR(mp, agno, XFS_AGFL_DADDR(mp)),
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XFS_FSS_TO_BB(mp, 1), 0,
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&xfs_agfl_buf_ops);
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if (!bp) {
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error = -ENOMEM;
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goto out_error;
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}
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agfl = XFS_BUF_TO_AGFL(bp);
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if (xfs_sb_version_hascrc(&mp->m_sb)) {
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agfl->agfl_magicnum = cpu_to_be32(XFS_AGFL_MAGIC);
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agfl->agfl_seqno = cpu_to_be32(agno);
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uuid_copy(&agfl->agfl_uuid, &mp->m_sb.sb_meta_uuid);
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}
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agfl_bno = XFS_BUF_TO_AGFL_BNO(mp, bp);
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for (bucket = 0; bucket < xfs_agfl_size(mp); bucket++)
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agfl_bno[bucket] = cpu_to_be32(NULLAGBLOCK);
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error = xfs_bwrite(bp);
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xfs_buf_relse(bp);
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if (error)
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goto out_error;
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/*
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* AG inode header block
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*/
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bp = xfs_growfs_get_hdr_buf(mp,
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XFS_AG_DADDR(mp, agno, XFS_AGI_DADDR(mp)),
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XFS_FSS_TO_BB(mp, 1), 0,
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&xfs_agi_buf_ops);
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if (!bp) {
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error = -ENOMEM;
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goto out_error;
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}
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agi = XFS_BUF_TO_AGI(bp);
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agi->agi_magicnum = cpu_to_be32(XFS_AGI_MAGIC);
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agi->agi_versionnum = cpu_to_be32(XFS_AGI_VERSION);
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agi->agi_seqno = cpu_to_be32(agno);
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agi->agi_length = cpu_to_be32(agsize);
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agi->agi_count = 0;
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agi->agi_root = cpu_to_be32(XFS_IBT_BLOCK(mp));
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agi->agi_level = cpu_to_be32(1);
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agi->agi_freecount = 0;
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agi->agi_newino = cpu_to_be32(NULLAGINO);
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agi->agi_dirino = cpu_to_be32(NULLAGINO);
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if (xfs_sb_version_hascrc(&mp->m_sb))
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uuid_copy(&agi->agi_uuid, &mp->m_sb.sb_meta_uuid);
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if (xfs_sb_version_hasfinobt(&mp->m_sb)) {
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agi->agi_free_root = cpu_to_be32(XFS_FIBT_BLOCK(mp));
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agi->agi_free_level = cpu_to_be32(1);
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}
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for (bucket = 0; bucket < XFS_AGI_UNLINKED_BUCKETS; bucket++)
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agi->agi_unlinked[bucket] = cpu_to_be32(NULLAGINO);
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error = xfs_bwrite(bp);
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xfs_buf_relse(bp);
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if (error)
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goto out_error;
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/*
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* BNO btree root block
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*/
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bp = xfs_growfs_get_hdr_buf(mp,
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XFS_AGB_TO_DADDR(mp, agno, XFS_BNO_BLOCK(mp)),
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BTOBB(mp->m_sb.sb_blocksize), 0,
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&xfs_allocbt_buf_ops);
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if (!bp) {
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error = -ENOMEM;
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goto out_error;
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}
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xfs_btree_init_block(mp, bp, XFS_BTNUM_BNO, 0, 1, agno, 0);
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arec = XFS_ALLOC_REC_ADDR(mp, XFS_BUF_TO_BLOCK(bp), 1);
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arec->ar_startblock = cpu_to_be32(mp->m_ag_prealloc_blocks);
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arec->ar_blockcount = cpu_to_be32(
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agsize - be32_to_cpu(arec->ar_startblock));
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error = xfs_bwrite(bp);
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xfs_buf_relse(bp);
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if (error)
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goto out_error;
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/*
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* CNT btree root block
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*/
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bp = xfs_growfs_get_hdr_buf(mp,
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XFS_AGB_TO_DADDR(mp, agno, XFS_CNT_BLOCK(mp)),
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BTOBB(mp->m_sb.sb_blocksize), 0,
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&xfs_allocbt_buf_ops);
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if (!bp) {
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error = -ENOMEM;
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goto out_error;
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}
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xfs_btree_init_block(mp, bp, XFS_BTNUM_CNT, 0, 1, agno, 0);
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arec = XFS_ALLOC_REC_ADDR(mp, XFS_BUF_TO_BLOCK(bp), 1);
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arec->ar_startblock = cpu_to_be32(mp->m_ag_prealloc_blocks);
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arec->ar_blockcount = cpu_to_be32(
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agsize - be32_to_cpu(arec->ar_startblock));
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*nfree += be32_to_cpu(arec->ar_blockcount);
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error = xfs_bwrite(bp);
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xfs_buf_relse(bp);
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if (error)
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goto out_error;
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/* RMAP btree root block */
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if (xfs_sb_version_hasrmapbt(&mp->m_sb)) {
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struct xfs_rmap_rec *rrec;
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struct xfs_btree_block *block;
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bp = xfs_growfs_get_hdr_buf(mp,
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XFS_AGB_TO_DADDR(mp, agno, XFS_RMAP_BLOCK(mp)),
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BTOBB(mp->m_sb.sb_blocksize), 0,
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&xfs_rmapbt_buf_ops);
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if (!bp) {
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error = -ENOMEM;
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goto out_error;
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}
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xfs_btree_init_block(mp, bp, XFS_BTNUM_RMAP, 0, 0,
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agno, 0);
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block = XFS_BUF_TO_BLOCK(bp);
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/*
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* mark the AG header regions as static metadata The BNO
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* btree block is the first block after the headers, so
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* it's location defines the size of region the static
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* metadata consumes.
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*
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* Note: unlike mkfs, we never have to account for log
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* space when growing the data regions
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*/
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rrec = XFS_RMAP_REC_ADDR(block, 1);
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rrec->rm_startblock = 0;
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rrec->rm_blockcount = cpu_to_be32(XFS_BNO_BLOCK(mp));
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rrec->rm_owner = cpu_to_be64(XFS_RMAP_OWN_FS);
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rrec->rm_offset = 0;
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be16_add_cpu(&block->bb_numrecs, 1);
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/* account freespace btree root blocks */
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rrec = XFS_RMAP_REC_ADDR(block, 2);
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rrec->rm_startblock = cpu_to_be32(XFS_BNO_BLOCK(mp));
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rrec->rm_blockcount = cpu_to_be32(2);
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rrec->rm_owner = cpu_to_be64(XFS_RMAP_OWN_AG);
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rrec->rm_offset = 0;
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be16_add_cpu(&block->bb_numrecs, 1);
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/* account inode btree root blocks */
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rrec = XFS_RMAP_REC_ADDR(block, 3);
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rrec->rm_startblock = cpu_to_be32(XFS_IBT_BLOCK(mp));
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rrec->rm_blockcount = cpu_to_be32(XFS_RMAP_BLOCK(mp) -
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XFS_IBT_BLOCK(mp));
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rrec->rm_owner = cpu_to_be64(XFS_RMAP_OWN_INOBT);
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rrec->rm_offset = 0;
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be16_add_cpu(&block->bb_numrecs, 1);
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/* account for rmap btree root */
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rrec = XFS_RMAP_REC_ADDR(block, 4);
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rrec->rm_startblock = cpu_to_be32(XFS_RMAP_BLOCK(mp));
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rrec->rm_blockcount = cpu_to_be32(1);
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rrec->rm_owner = cpu_to_be64(XFS_RMAP_OWN_AG);
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rrec->rm_offset = 0;
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be16_add_cpu(&block->bb_numrecs, 1);
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/* account for refc btree root */
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if (xfs_sb_version_hasreflink(&mp->m_sb)) {
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rrec = XFS_RMAP_REC_ADDR(block, 5);
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rrec->rm_startblock = cpu_to_be32(xfs_refc_block(mp));
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rrec->rm_blockcount = cpu_to_be32(1);
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rrec->rm_owner = cpu_to_be64(XFS_RMAP_OWN_REFC);
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rrec->rm_offset = 0;
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be16_add_cpu(&block->bb_numrecs, 1);
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}
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error = xfs_bwrite(bp);
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xfs_buf_relse(bp);
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if (error)
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goto out_error;
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}
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/*
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* INO btree root block
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*/
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bp = xfs_growfs_get_hdr_buf(mp,
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XFS_AGB_TO_DADDR(mp, agno, XFS_IBT_BLOCK(mp)),
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BTOBB(mp->m_sb.sb_blocksize), 0,
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&xfs_inobt_buf_ops);
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if (!bp) {
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error = -ENOMEM;
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goto out_error;
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}
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xfs_btree_init_block(mp, bp, XFS_BTNUM_INO , 0, 0, agno, 0);
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error = xfs_bwrite(bp);
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xfs_buf_relse(bp);
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if (error)
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goto out_error;
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/*
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* FINO btree root block
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*/
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if (xfs_sb_version_hasfinobt(&mp->m_sb)) {
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bp = xfs_growfs_get_hdr_buf(mp,
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XFS_AGB_TO_DADDR(mp, agno, XFS_FIBT_BLOCK(mp)),
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BTOBB(mp->m_sb.sb_blocksize), 0,
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&xfs_inobt_buf_ops);
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if (!bp) {
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error = -ENOMEM;
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goto out_error;
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}
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xfs_btree_init_block(mp, bp, XFS_BTNUM_FINO,
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0, 0, agno, 0);
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error = xfs_bwrite(bp);
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xfs_buf_relse(bp);
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if (error)
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goto out_error;
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}
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/*
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* refcount btree root block
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*/
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if (xfs_sb_version_hasreflink(&mp->m_sb)) {
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bp = xfs_growfs_get_hdr_buf(mp,
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XFS_AGB_TO_DADDR(mp, agno, xfs_refc_block(mp)),
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BTOBB(mp->m_sb.sb_blocksize), 0,
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&xfs_refcountbt_buf_ops);
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if (!bp) {
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error = -ENOMEM;
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goto out_error;
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}
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xfs_btree_init_block(mp, bp, XFS_BTNUM_REFC,
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0, 0, agno, 0);
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error = xfs_bwrite(bp);
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xfs_buf_relse(bp);
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if (error)
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goto out_error;
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}
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out_error:
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return error;
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}
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static int
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xfs_growfs_data_private(
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xfs_mount_t *mp, /* mount point for filesystem */
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xfs_growfs_data_t *in) /* growfs data input struct */
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{
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xfs_agf_t *agf;
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struct xfs_agfl *agfl;
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xfs_agi_t *agi;
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xfs_agnumber_t agno;
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xfs_extlen_t agsize;
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xfs_extlen_t tmpsize;
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xfs_alloc_rec_t *arec;
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xfs_buf_t *bp;
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int bucket;
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int dpct;
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int error, saved_error = 0;
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xfs_agnumber_t nagcount;
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@ -141,318 +465,19 @@ xfs_growfs_data_private(
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*/
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nfree = 0;
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for (agno = nagcount - 1; agno >= oagcount; agno--, new -= agsize) {
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__be32 *agfl_bno;
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/*
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* AG freespace header block
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*/
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bp = xfs_growfs_get_hdr_buf(mp,
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XFS_AG_DADDR(mp, agno, XFS_AGF_DADDR(mp)),
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XFS_FSS_TO_BB(mp, 1), 0,
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&xfs_agf_buf_ops);
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if (!bp) {
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error = -ENOMEM;
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goto error0;
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}
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agf = XFS_BUF_TO_AGF(bp);
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agf->agf_magicnum = cpu_to_be32(XFS_AGF_MAGIC);
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agf->agf_versionnum = cpu_to_be32(XFS_AGF_VERSION);
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agf->agf_seqno = cpu_to_be32(agno);
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if (agno == nagcount - 1)
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agsize =
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nb -
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agsize = nb -
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(agno * (xfs_rfsblock_t)mp->m_sb.sb_agblocks);
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else
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agsize = mp->m_sb.sb_agblocks;
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agf->agf_length = cpu_to_be32(agsize);
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agf->agf_roots[XFS_BTNUM_BNOi] = cpu_to_be32(XFS_BNO_BLOCK(mp));
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agf->agf_roots[XFS_BTNUM_CNTi] = cpu_to_be32(XFS_CNT_BLOCK(mp));
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agf->agf_levels[XFS_BTNUM_BNOi] = cpu_to_be32(1);
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agf->agf_levels[XFS_BTNUM_CNTi] = cpu_to_be32(1);
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if (xfs_sb_version_hasrmapbt(&mp->m_sb)) {
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agf->agf_roots[XFS_BTNUM_RMAPi] =
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cpu_to_be32(XFS_RMAP_BLOCK(mp));
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agf->agf_levels[XFS_BTNUM_RMAPi] = cpu_to_be32(1);
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agf->agf_rmap_blocks = cpu_to_be32(1);
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}
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agf->agf_flfirst = cpu_to_be32(1);
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agf->agf_fllast = 0;
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agf->agf_flcount = 0;
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tmpsize = agsize - mp->m_ag_prealloc_blocks;
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agf->agf_freeblks = cpu_to_be32(tmpsize);
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agf->agf_longest = cpu_to_be32(tmpsize);
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if (xfs_sb_version_hascrc(&mp->m_sb))
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uuid_copy(&agf->agf_uuid, &mp->m_sb.sb_meta_uuid);
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if (xfs_sb_version_hasreflink(&mp->m_sb)) {
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||||
agf->agf_refcount_root = cpu_to_be32(
|
||||
xfs_refc_block(mp));
|
||||
agf->agf_refcount_level = cpu_to_be32(1);
|
||||
agf->agf_refcount_blocks = cpu_to_be32(1);
|
||||
}
|
||||
|
||||
error = xfs_bwrite(bp);
|
||||
xfs_buf_relse(bp);
|
||||
error = xfs_grow_ag_headers(mp, agno, agsize, &nfree);
|
||||
if (error)
|
||||
goto error0;
|
||||
|
||||
/*
|
||||
* AG freelist header block
|
||||
*/
|
||||
bp = xfs_growfs_get_hdr_buf(mp,
|
||||
XFS_AG_DADDR(mp, agno, XFS_AGFL_DADDR(mp)),
|
||||
XFS_FSS_TO_BB(mp, 1), 0,
|
||||
&xfs_agfl_buf_ops);
|
||||
if (!bp) {
|
||||
error = -ENOMEM;
|
||||
goto error0;
|
||||
}
|
||||
|
||||
agfl = XFS_BUF_TO_AGFL(bp);
|
||||
if (xfs_sb_version_hascrc(&mp->m_sb)) {
|
||||
agfl->agfl_magicnum = cpu_to_be32(XFS_AGFL_MAGIC);
|
||||
agfl->agfl_seqno = cpu_to_be32(agno);
|
||||
uuid_copy(&agfl->agfl_uuid, &mp->m_sb.sb_meta_uuid);
|
||||
}
|
||||
|
||||
agfl_bno = XFS_BUF_TO_AGFL_BNO(mp, bp);
|
||||
for (bucket = 0; bucket < xfs_agfl_size(mp); bucket++)
|
||||
agfl_bno[bucket] = cpu_to_be32(NULLAGBLOCK);
|
||||
|
||||
error = xfs_bwrite(bp);
|
||||
xfs_buf_relse(bp);
|
||||
if (error)
|
||||
goto error0;
|
||||
|
||||
/*
|
||||
* AG inode header block
|
||||
*/
|
||||
bp = xfs_growfs_get_hdr_buf(mp,
|
||||
XFS_AG_DADDR(mp, agno, XFS_AGI_DADDR(mp)),
|
||||
XFS_FSS_TO_BB(mp, 1), 0,
|
||||
&xfs_agi_buf_ops);
|
||||
if (!bp) {
|
||||
error = -ENOMEM;
|
||||
goto error0;
|
||||
}
|
||||
|
||||
agi = XFS_BUF_TO_AGI(bp);
|
||||
agi->agi_magicnum = cpu_to_be32(XFS_AGI_MAGIC);
|
||||
agi->agi_versionnum = cpu_to_be32(XFS_AGI_VERSION);
|
||||
agi->agi_seqno = cpu_to_be32(agno);
|
||||
agi->agi_length = cpu_to_be32(agsize);
|
||||
agi->agi_count = 0;
|
||||
agi->agi_root = cpu_to_be32(XFS_IBT_BLOCK(mp));
|
||||
agi->agi_level = cpu_to_be32(1);
|
||||
agi->agi_freecount = 0;
|
||||
agi->agi_newino = cpu_to_be32(NULLAGINO);
|
||||
agi->agi_dirino = cpu_to_be32(NULLAGINO);
|
||||
if (xfs_sb_version_hascrc(&mp->m_sb))
|
||||
uuid_copy(&agi->agi_uuid, &mp->m_sb.sb_meta_uuid);
|
||||
if (xfs_sb_version_hasfinobt(&mp->m_sb)) {
|
||||
agi->agi_free_root = cpu_to_be32(XFS_FIBT_BLOCK(mp));
|
||||
agi->agi_free_level = cpu_to_be32(1);
|
||||
}
|
||||
for (bucket = 0; bucket < XFS_AGI_UNLINKED_BUCKETS; bucket++)
|
||||
agi->agi_unlinked[bucket] = cpu_to_be32(NULLAGINO);
|
||||
|
||||
error = xfs_bwrite(bp);
|
||||
xfs_buf_relse(bp);
|
||||
if (error)
|
||||
goto error0;
|
||||
|
||||
/*
|
||||
* BNO btree root block
|
||||
*/
|
||||
bp = xfs_growfs_get_hdr_buf(mp,
|
||||
XFS_AGB_TO_DADDR(mp, agno, XFS_BNO_BLOCK(mp)),
|
||||
BTOBB(mp->m_sb.sb_blocksize), 0,
|
||||
&xfs_allocbt_buf_ops);
|
||||
|
||||
if (!bp) {
|
||||
error = -ENOMEM;
|
||||
goto error0;
|
||||
}
|
||||
|
||||
xfs_btree_init_block(mp, bp, XFS_BTNUM_BNO, 0, 1, agno, 0);
|
||||
|
||||
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(
|
||||
agsize - be32_to_cpu(arec->ar_startblock));
|
||||
|
||||
error = xfs_bwrite(bp);
|
||||
xfs_buf_relse(bp);
|
||||
if (error)
|
||||
goto error0;
|
||||
|
||||
/*
|
||||
* CNT btree root block
|
||||
*/
|
||||
bp = xfs_growfs_get_hdr_buf(mp,
|
||||
XFS_AGB_TO_DADDR(mp, agno, XFS_CNT_BLOCK(mp)),
|
||||
BTOBB(mp->m_sb.sb_blocksize), 0,
|
||||
&xfs_allocbt_buf_ops);
|
||||
if (!bp) {
|
||||
error = -ENOMEM;
|
||||
goto error0;
|
||||
}
|
||||
|
||||
xfs_btree_init_block(mp, bp, XFS_BTNUM_CNT, 0, 1, agno, 0);
|
||||
|
||||
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(
|
||||
agsize - be32_to_cpu(arec->ar_startblock));
|
||||
nfree += be32_to_cpu(arec->ar_blockcount);
|
||||
|
||||
error = xfs_bwrite(bp);
|
||||
xfs_buf_relse(bp);
|
||||
if (error)
|
||||
goto error0;
|
||||
|
||||
/* RMAP btree root block */
|
||||
if (xfs_sb_version_hasrmapbt(&mp->m_sb)) {
|
||||
struct xfs_rmap_rec *rrec;
|
||||
struct xfs_btree_block *block;
|
||||
|
||||
bp = xfs_growfs_get_hdr_buf(mp,
|
||||
XFS_AGB_TO_DADDR(mp, agno, XFS_RMAP_BLOCK(mp)),
|
||||
BTOBB(mp->m_sb.sb_blocksize), 0,
|
||||
&xfs_rmapbt_buf_ops);
|
||||
if (!bp) {
|
||||
error = -ENOMEM;
|
||||
goto error0;
|
||||
}
|
||||
|
||||
xfs_btree_init_block(mp, bp, XFS_BTNUM_RMAP, 0, 0,
|
||||
agno, 0);
|
||||
block = XFS_BUF_TO_BLOCK(bp);
|
||||
|
||||
|
||||
/*
|
||||
* mark the AG header regions as static metadata The BNO
|
||||
* btree block is the first block after the headers, so
|
||||
* it's location defines the size of region the static
|
||||
* metadata consumes.
|
||||
*
|
||||
* Note: unlike mkfs, we never have to account for log
|
||||
* space when growing the data regions
|
||||
*/
|
||||
rrec = XFS_RMAP_REC_ADDR(block, 1);
|
||||
rrec->rm_startblock = 0;
|
||||
rrec->rm_blockcount = cpu_to_be32(XFS_BNO_BLOCK(mp));
|
||||
rrec->rm_owner = cpu_to_be64(XFS_RMAP_OWN_FS);
|
||||
rrec->rm_offset = 0;
|
||||
be16_add_cpu(&block->bb_numrecs, 1);
|
||||
|
||||
/* account freespace btree root blocks */
|
||||
rrec = XFS_RMAP_REC_ADDR(block, 2);
|
||||
rrec->rm_startblock = cpu_to_be32(XFS_BNO_BLOCK(mp));
|
||||
rrec->rm_blockcount = cpu_to_be32(2);
|
||||
rrec->rm_owner = cpu_to_be64(XFS_RMAP_OWN_AG);
|
||||
rrec->rm_offset = 0;
|
||||
be16_add_cpu(&block->bb_numrecs, 1);
|
||||
|
||||
/* account inode btree root blocks */
|
||||
rrec = XFS_RMAP_REC_ADDR(block, 3);
|
||||
rrec->rm_startblock = cpu_to_be32(XFS_IBT_BLOCK(mp));
|
||||
rrec->rm_blockcount = cpu_to_be32(XFS_RMAP_BLOCK(mp) -
|
||||
XFS_IBT_BLOCK(mp));
|
||||
rrec->rm_owner = cpu_to_be64(XFS_RMAP_OWN_INOBT);
|
||||
rrec->rm_offset = 0;
|
||||
be16_add_cpu(&block->bb_numrecs, 1);
|
||||
|
||||
/* account for rmap btree root */
|
||||
rrec = XFS_RMAP_REC_ADDR(block, 4);
|
||||
rrec->rm_startblock = cpu_to_be32(XFS_RMAP_BLOCK(mp));
|
||||
rrec->rm_blockcount = cpu_to_be32(1);
|
||||
rrec->rm_owner = cpu_to_be64(XFS_RMAP_OWN_AG);
|
||||
rrec->rm_offset = 0;
|
||||
be16_add_cpu(&block->bb_numrecs, 1);
|
||||
|
||||
/* account for refc btree root */
|
||||
if (xfs_sb_version_hasreflink(&mp->m_sb)) {
|
||||
rrec = XFS_RMAP_REC_ADDR(block, 5);
|
||||
rrec->rm_startblock = cpu_to_be32(
|
||||
xfs_refc_block(mp));
|
||||
rrec->rm_blockcount = cpu_to_be32(1);
|
||||
rrec->rm_owner = cpu_to_be64(XFS_RMAP_OWN_REFC);
|
||||
rrec->rm_offset = 0;
|
||||
be16_add_cpu(&block->bb_numrecs, 1);
|
||||
}
|
||||
|
||||
error = xfs_bwrite(bp);
|
||||
xfs_buf_relse(bp);
|
||||
if (error)
|
||||
goto error0;
|
||||
}
|
||||
|
||||
/*
|
||||
* INO btree root block
|
||||
*/
|
||||
bp = xfs_growfs_get_hdr_buf(mp,
|
||||
XFS_AGB_TO_DADDR(mp, agno, XFS_IBT_BLOCK(mp)),
|
||||
BTOBB(mp->m_sb.sb_blocksize), 0,
|
||||
&xfs_inobt_buf_ops);
|
||||
if (!bp) {
|
||||
error = -ENOMEM;
|
||||
goto error0;
|
||||
}
|
||||
|
||||
xfs_btree_init_block(mp, bp, XFS_BTNUM_INO , 0, 0, agno, 0);
|
||||
|
||||
error = xfs_bwrite(bp);
|
||||
xfs_buf_relse(bp);
|
||||
if (error)
|
||||
goto error0;
|
||||
|
||||
/*
|
||||
* FINO btree root block
|
||||
*/
|
||||
if (xfs_sb_version_hasfinobt(&mp->m_sb)) {
|
||||
bp = xfs_growfs_get_hdr_buf(mp,
|
||||
XFS_AGB_TO_DADDR(mp, agno, XFS_FIBT_BLOCK(mp)),
|
||||
BTOBB(mp->m_sb.sb_blocksize), 0,
|
||||
&xfs_inobt_buf_ops);
|
||||
if (!bp) {
|
||||
error = -ENOMEM;
|
||||
goto error0;
|
||||
}
|
||||
|
||||
xfs_btree_init_block(mp, bp, XFS_BTNUM_FINO,
|
||||
0, 0, agno, 0);
|
||||
|
||||
error = xfs_bwrite(bp);
|
||||
xfs_buf_relse(bp);
|
||||
if (error)
|
||||
goto error0;
|
||||
}
|
||||
|
||||
/*
|
||||
* refcount btree root block
|
||||
*/
|
||||
if (xfs_sb_version_hasreflink(&mp->m_sb)) {
|
||||
bp = xfs_growfs_get_hdr_buf(mp,
|
||||
XFS_AGB_TO_DADDR(mp, agno, xfs_refc_block(mp)),
|
||||
BTOBB(mp->m_sb.sb_blocksize), 0,
|
||||
&xfs_refcountbt_buf_ops);
|
||||
if (!bp) {
|
||||
error = -ENOMEM;
|
||||
goto error0;
|
||||
}
|
||||
|
||||
xfs_btree_init_block(mp, bp, XFS_BTNUM_REFC,
|
||||
0, 0, agno, 0);
|
||||
|
||||
error = xfs_bwrite(bp);
|
||||
xfs_buf_relse(bp);
|
||||
if (error)
|
||||
goto error0;
|
||||
}
|
||||
}
|
||||
xfs_trans_agblocks_delta(tp, nfree);
|
||||
|
||||
/*
|
||||
* There are new blocks in the old last a.g.
|
||||
*/
|
||||
|
|
|
|||
Loading…
Reference in a new issue