xfs: factor ag btree root block initialisation
Cookie cutter code, easily factored. Signed-Off-By: Dave Chinner <dchinner@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
Родитель
9aebe805a5
Коммит
0410c3bb2b
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@ -71,199 +71,77 @@ xfs_growfs_get_hdr_buf(
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return bp;
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}
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struct aghdr_init_data {
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/* per ag data */
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xfs_agnumber_t agno; /* ag to init */
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xfs_extlen_t agsize; /* new AG size */
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struct list_head buffer_list; /* buffer writeback list */
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xfs_rfsblock_t nfree; /* cumulative new free space */
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/* per header data */
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xfs_daddr_t daddr; /* header location */
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size_t numblks; /* size of header */
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xfs_btnum_t type; /* type of btree root block */
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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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* Generic btree root block init function
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*/
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static int
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xfs_grow_ag_headers(
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static void
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xfs_btroot_init(
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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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struct list_head *buffer_list)
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struct xfs_buf *bp,
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struct aghdr_init_data *id)
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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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xfs_btree_init_block(mp, bp, id->type, 0, 0, id->agno, 0);
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}
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/*
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* AG freespace header block
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* Alloc btree root block init functions
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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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xfs_buf_delwri_queue(bp, buffer_list);
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xfs_buf_relse(bp);
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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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xfs_buf_delwri_queue(bp, buffer_list);
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xfs_buf_relse(bp);
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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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xfs_buf_delwri_queue(bp, buffer_list);
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xfs_buf_relse(bp);
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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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static void
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xfs_bnoroot_init(
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struct xfs_mount *mp,
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struct xfs_buf *bp,
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struct aghdr_init_data *id)
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{
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struct xfs_alloc_rec *arec;
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xfs_btree_init_block(mp, bp, XFS_BTNUM_BNO, 0, 1, id->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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xfs_buf_delwri_queue(bp, buffer_list);
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xfs_buf_relse(bp);
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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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arec->ar_blockcount = cpu_to_be32(id->agsize -
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be32_to_cpu(arec->ar_startblock));
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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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static void
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xfs_cntroot_init(
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struct xfs_mount *mp,
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struct xfs_buf *bp,
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struct aghdr_init_data *id)
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{
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struct xfs_alloc_rec *arec;
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xfs_btree_init_block(mp, bp, XFS_BTNUM_CNT, 0, 1, id->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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arec->ar_blockcount = cpu_to_be32(id->agsize -
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be32_to_cpu(arec->ar_startblock));
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}
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xfs_buf_delwri_queue(bp, buffer_list);
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xfs_buf_relse(bp);
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/* RMAP btree root block */
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if (xfs_sb_version_hasrmapbt(&mp->m_sb)) {
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/*
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* Reverse map root block init
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*/
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static void
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xfs_rmaproot_init(
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struct xfs_mount *mp,
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struct xfs_buf *bp,
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struct aghdr_init_data *id)
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{
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struct xfs_btree_block *block = XFS_BUF_TO_BLOCK(bp);
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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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xfs_btree_init_block(mp, bp, XFS_BTNUM_RMAP, 0, 4, id->agno, 0);
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/*
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* mark the AG header regions as static metadata The BNO
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@ -279,7 +157,6 @@ xfs_grow_ag_headers(
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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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@ -287,7 +164,6 @@ xfs_grow_ag_headers(
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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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@ -296,7 +172,6 @@ xfs_grow_ag_headers(
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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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@ -304,7 +179,6 @@ xfs_grow_ag_headers(
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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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@ -315,63 +189,226 @@ xfs_grow_ag_headers(
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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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}
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xfs_buf_delwri_queue(bp, buffer_list);
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static void
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xfs_agfblock_init(
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struct xfs_mount *mp,
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struct xfs_buf *bp,
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struct aghdr_init_data *id)
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{
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struct xfs_agf *agf = XFS_BUF_TO_AGF(bp);
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xfs_extlen_t tmpsize;
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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(id->agno);
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agf->agf_length = cpu_to_be32(id->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 = id->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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}
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static void
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xfs_agflblock_init(
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struct xfs_mount *mp,
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struct xfs_buf *bp,
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struct aghdr_init_data *id)
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{
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struct xfs_agfl *agfl = XFS_BUF_TO_AGFL(bp);
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__be32 *agfl_bno;
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int bucket;
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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(id->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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}
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static void
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xfs_agiblock_init(
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struct xfs_mount *mp,
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struct xfs_buf *bp,
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struct aghdr_init_data *id)
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{
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struct xfs_agi *agi = XFS_BUF_TO_AGI(bp);
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int bucket;
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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(id->agno);
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agi->agi_length = cpu_to_be32(id->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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}
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static int
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xfs_growfs_init_aghdr(
|
||||
struct xfs_mount *mp,
|
||||
struct aghdr_init_data *id,
|
||||
void (*work)(struct xfs_mount *, struct xfs_buf *,
|
||||
struct aghdr_init_data *),
|
||||
const struct xfs_buf_ops *ops)
|
||||
|
||||
{
|
||||
struct xfs_buf *bp;
|
||||
|
||||
bp = xfs_growfs_get_hdr_buf(mp, id->daddr, id->numblks, 0, ops);
|
||||
if (!bp)
|
||||
return -ENOMEM;
|
||||
|
||||
(*work)(mp, bp, id);
|
||||
|
||||
xfs_buf_delwri_queue(bp, &id->buffer_list);
|
||||
xfs_buf_relse(bp);
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* INO btree root block
|
||||
* Write new AG headers to disk. Non-transactional, but written
|
||||
* synchronously so they are completed prior to the growfs transaction
|
||||
* being logged.
|
||||
*/
|
||||
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;
|
||||
static int
|
||||
xfs_grow_ag_headers(
|
||||
struct xfs_mount *mp,
|
||||
struct aghdr_init_data *id)
|
||||
|
||||
{
|
||||
int error = 0;
|
||||
|
||||
/* Account for AG free space in new AG */
|
||||
id->nfree += id->agsize - mp->m_ag_prealloc_blocks;
|
||||
|
||||
/* AG freespace header block */
|
||||
id->daddr = XFS_AG_DADDR(mp, id->agno, XFS_AGF_DADDR(mp));
|
||||
id->numblks = XFS_FSS_TO_BB(mp, 1);
|
||||
error = xfs_growfs_init_aghdr(mp, id, xfs_agfblock_init,
|
||||
&xfs_agf_buf_ops);
|
||||
if (error)
|
||||
goto out_error;
|
||||
|
||||
/* AG freelist header block */
|
||||
id->daddr = XFS_AG_DADDR(mp, id->agno, XFS_AGFL_DADDR(mp));
|
||||
id->numblks = XFS_FSS_TO_BB(mp, 1);
|
||||
error = xfs_growfs_init_aghdr(mp, id, xfs_agflblock_init,
|
||||
&xfs_agfl_buf_ops);
|
||||
if (error)
|
||||
goto out_error;
|
||||
|
||||
/* AG inode header block */
|
||||
id->daddr = XFS_AG_DADDR(mp, id->agno, XFS_AGI_DADDR(mp));
|
||||
id->numblks = XFS_FSS_TO_BB(mp, 1);
|
||||
error = xfs_growfs_init_aghdr(mp, id, xfs_agiblock_init,
|
||||
&xfs_agi_buf_ops);
|
||||
if (error)
|
||||
goto out_error;
|
||||
|
||||
|
||||
/* BNO btree root block */
|
||||
id->daddr = XFS_AGB_TO_DADDR(mp, id->agno, XFS_BNO_BLOCK(mp));
|
||||
id->numblks = BTOBB(mp->m_sb.sb_blocksize);
|
||||
error = xfs_growfs_init_aghdr(mp, id, xfs_bnoroot_init,
|
||||
&xfs_allocbt_buf_ops);
|
||||
if (error)
|
||||
goto out_error;
|
||||
|
||||
|
||||
/* CNT btree root block */
|
||||
id->daddr = XFS_AGB_TO_DADDR(mp, id->agno, XFS_CNT_BLOCK(mp));
|
||||
id->numblks = BTOBB(mp->m_sb.sb_blocksize);
|
||||
error = xfs_growfs_init_aghdr(mp, id, xfs_cntroot_init,
|
||||
&xfs_allocbt_buf_ops);
|
||||
if (error)
|
||||
goto out_error;
|
||||
|
||||
/* RMAP btree root block */
|
||||
if (xfs_sb_version_hasrmapbt(&mp->m_sb)) {
|
||||
id->daddr = XFS_AGB_TO_DADDR(mp, id->agno, XFS_RMAP_BLOCK(mp));
|
||||
id->numblks = BTOBB(mp->m_sb.sb_blocksize);
|
||||
error = xfs_growfs_init_aghdr(mp, id, xfs_rmaproot_init,
|
||||
&xfs_rmapbt_buf_ops);
|
||||
if (error)
|
||||
goto out_error;
|
||||
|
||||
}
|
||||
|
||||
xfs_btree_init_block(mp, bp, XFS_BTNUM_INO , 0, 0, agno, 0);
|
||||
xfs_buf_delwri_queue(bp, buffer_list);
|
||||
xfs_buf_relse(bp);
|
||||
/* INO btree root block */
|
||||
id->daddr = XFS_AGB_TO_DADDR(mp, id->agno, XFS_IBT_BLOCK(mp));
|
||||
id->numblks = BTOBB(mp->m_sb.sb_blocksize);
|
||||
id->type = XFS_BTNUM_INO;
|
||||
error = xfs_growfs_init_aghdr(mp, id, xfs_btroot_init,
|
||||
&xfs_inobt_buf_ops);
|
||||
if (error)
|
||||
goto out_error;
|
||||
|
||||
|
||||
/*
|
||||
* 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,
|
||||
id->daddr = XFS_AGB_TO_DADDR(mp, id->agno, XFS_FIBT_BLOCK(mp));
|
||||
id->numblks = BTOBB(mp->m_sb.sb_blocksize);
|
||||
id->type = XFS_BTNUM_FINO;
|
||||
error = xfs_growfs_init_aghdr(mp, id, xfs_btroot_init,
|
||||
&xfs_inobt_buf_ops);
|
||||
if (!bp) {
|
||||
error = -ENOMEM;
|
||||
if (error)
|
||||
goto out_error;
|
||||
}
|
||||
|
||||
xfs_btree_init_block(mp, bp, XFS_BTNUM_FINO, 0, 0, agno, 0);
|
||||
xfs_buf_delwri_queue(bp, buffer_list);
|
||||
xfs_buf_relse(bp);
|
||||
}
|
||||
|
||||
/*
|
||||
* 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,
|
||||
id->daddr = XFS_AGB_TO_DADDR(mp, id->agno, xfs_refc_block(mp));
|
||||
id->numblks = BTOBB(mp->m_sb.sb_blocksize);
|
||||
id->type = XFS_BTNUM_REFC;
|
||||
error = xfs_growfs_init_aghdr(mp, id, xfs_btroot_init,
|
||||
&xfs_refcountbt_buf_ops);
|
||||
if (!bp) {
|
||||
error = -ENOMEM;
|
||||
if (error)
|
||||
goto out_error;
|
||||
}
|
||||
|
||||
xfs_btree_init_block(mp, bp, XFS_BTNUM_REFC, 0, 0, agno, 0);
|
||||
xfs_buf_delwri_queue(bp, buffer_list);
|
||||
xfs_buf_relse(bp);
|
||||
}
|
||||
|
||||
out_error:
|
||||
return error;
|
||||
}
|
||||
|
|
@ -384,7 +421,6 @@ xfs_growfs_data_private(
|
|||
xfs_agf_t *agf;
|
||||
xfs_agi_t *agi;
|
||||
xfs_agnumber_t agno;
|
||||
xfs_extlen_t agsize;
|
||||
xfs_buf_t *bp;
|
||||
int dpct;
|
||||
int error, saved_error = 0;
|
||||
|
|
@ -392,11 +428,11 @@ xfs_growfs_data_private(
|
|||
xfs_agnumber_t nagimax = 0;
|
||||
xfs_rfsblock_t nb, nb_mod;
|
||||
xfs_rfsblock_t new;
|
||||
xfs_rfsblock_t nfree;
|
||||
xfs_agnumber_t oagcount;
|
||||
int pct;
|
||||
xfs_trans_t *tp;
|
||||
LIST_HEAD (buffer_list);
|
||||
struct aghdr_init_data id = {};
|
||||
|
||||
nb = in->newblocks;
|
||||
pct = in->imaxpct;
|
||||
|
|
@ -448,27 +484,28 @@ xfs_growfs_data_private(
|
|||
* list to write, we can cancel the entire list without having written
|
||||
* anything.
|
||||
*/
|
||||
nfree = 0;
|
||||
for (agno = nagcount - 1; agno >= oagcount; agno--, new -= agsize) {
|
||||
INIT_LIST_HEAD(&id.buffer_list);
|
||||
for (id.agno = nagcount - 1;
|
||||
id.agno >= oagcount;
|
||||
id.agno--, new -= id.agsize) {
|
||||
|
||||
if (agno == nagcount - 1)
|
||||
agsize = nb -
|
||||
(agno * (xfs_rfsblock_t)mp->m_sb.sb_agblocks);
|
||||
if (id.agno == nagcount - 1)
|
||||
id.agsize = nb -
|
||||
(id.agno * (xfs_rfsblock_t)mp->m_sb.sb_agblocks);
|
||||
else
|
||||
agsize = mp->m_sb.sb_agblocks;
|
||||
id.agsize = mp->m_sb.sb_agblocks;
|
||||
|
||||
error = xfs_grow_ag_headers(mp, agno, agsize, &nfree,
|
||||
&buffer_list);
|
||||
error = xfs_grow_ag_headers(mp, &id);
|
||||
if (error) {
|
||||
xfs_buf_delwri_cancel(&buffer_list);
|
||||
xfs_buf_delwri_cancel(&id.buffer_list);
|
||||
goto error0;
|
||||
}
|
||||
}
|
||||
error = xfs_buf_delwri_submit(&buffer_list);
|
||||
error = xfs_buf_delwri_submit(&id.buffer_list);
|
||||
if (error)
|
||||
goto error0;
|
||||
|
||||
xfs_trans_agblocks_delta(tp, nfree);
|
||||
xfs_trans_agblocks_delta(tp, id.nfree);
|
||||
|
||||
/*
|
||||
* There are new blocks in the old last a.g.
|
||||
|
|
@ -479,7 +516,7 @@ xfs_growfs_data_private(
|
|||
/*
|
||||
* Change the agi length.
|
||||
*/
|
||||
error = xfs_ialloc_read_agi(mp, tp, agno, &bp);
|
||||
error = xfs_ialloc_read_agi(mp, tp, id.agno, &bp);
|
||||
if (error) {
|
||||
goto error0;
|
||||
}
|
||||
|
|
@ -492,7 +529,7 @@ xfs_growfs_data_private(
|
|||
/*
|
||||
* Change agf length.
|
||||
*/
|
||||
error = xfs_alloc_read_agf(mp, tp, agno, 0, &bp);
|
||||
error = xfs_alloc_read_agf(mp, tp, id.agno, 0, &bp);
|
||||
if (error) {
|
||||
goto error0;
|
||||
}
|
||||
|
|
@ -511,13 +548,13 @@ xfs_growfs_data_private(
|
|||
* this doesn't actually exist in the rmap btree.
|
||||
*/
|
||||
xfs_rmap_ag_owner(&oinfo, XFS_RMAP_OWN_NULL);
|
||||
error = xfs_rmap_free(tp, bp, agno,
|
||||
error = xfs_rmap_free(tp, bp, id.agno,
|
||||
be32_to_cpu(agf->agf_length) - new,
|
||||
new, &oinfo);
|
||||
if (error)
|
||||
goto error0;
|
||||
error = xfs_free_extent(tp,
|
||||
XFS_AGB_TO_FSB(mp, agno,
|
||||
XFS_AGB_TO_FSB(mp, id.agno,
|
||||
be32_to_cpu(agf->agf_length) - new),
|
||||
new, &oinfo, XFS_AG_RESV_NONE);
|
||||
if (error)
|
||||
|
|
@ -534,8 +571,8 @@ xfs_growfs_data_private(
|
|||
if (nb > mp->m_sb.sb_dblocks)
|
||||
xfs_trans_mod_sb(tp, XFS_TRANS_SB_DBLOCKS,
|
||||
nb - mp->m_sb.sb_dblocks);
|
||||
if (nfree)
|
||||
xfs_trans_mod_sb(tp, XFS_TRANS_SB_FDBLOCKS, nfree);
|
||||
if (id.nfree)
|
||||
xfs_trans_mod_sb(tp, XFS_TRANS_SB_FDBLOCKS, id.nfree);
|
||||
if (dpct)
|
||||
xfs_trans_mod_sb(tp, XFS_TRANS_SB_IMAXPCT, dpct);
|
||||
xfs_trans_set_sync(tp);
|
||||
|
|
@ -562,7 +599,7 @@ xfs_growfs_data_private(
|
|||
if (new) {
|
||||
struct xfs_perag *pag;
|
||||
|
||||
pag = xfs_perag_get(mp, agno);
|
||||
pag = xfs_perag_get(mp, id.agno);
|
||||
error = xfs_ag_resv_free(pag);
|
||||
xfs_perag_put(pag);
|
||||
if (error)
|
||||
|
|
|
|||
Загрузка…
Ссылка в новой задаче