}
+/*
+ * XXX: this code is mostly common with the kernel growfs code.
+ * These initialisations should be pulled into libxfs to keep the
+ * kernel/userspace header initialisation code the same.
+ */
+static void
+initialise_ag_headers(
+ struct mkfs_params *cfg,
+ struct xfs_mount *mp,
+ struct xfs_sb *sbp,
+ xfs_agnumber_t agno,
+ int *worst_freelist)
+{
+ struct xfs_perag *pag = libxfs_perag_get(mp, agno);
+ struct xfs_agfl *agfl;
+ struct xfs_agf *agf;
+ struct xfs_agi *agi;
+ struct xfs_buf *buf;
+ struct xfs_btree_block *block;
+ struct xfs_alloc_rec *arec;
+ struct xfs_alloc_rec *nrec;
+ int bucket;
+ uint64_t agsize = cfg->agsize;
+ xfs_agblock_t agblocks;
+ bool is_log_ag = false;
+ int c;
+
+ if (cfg->loginternal && agno == cfg->logagno)
+ is_log_ag = true;
+
+ /*
+ * Superblock.
+ */
+ buf = libxfs_getbuf(mp->m_ddev_targp,
+ XFS_AG_DADDR(mp, agno, XFS_SB_DADDR),
+ XFS_FSS_TO_BB(mp, 1));
+ buf->b_ops = &xfs_sb_buf_ops;
+ memset(XFS_BUF_PTR(buf), 0, cfg->sectorsize);
+ libxfs_sb_to_disk((void *)XFS_BUF_PTR(buf), sbp);
+ libxfs_writebuf(buf, LIBXFS_EXIT_ON_FAILURE);
+
+ /*
+ * AG header block: freespace
+ */
+ buf = libxfs_getbuf(mp->m_ddev_targp,
+ XFS_AG_DADDR(mp, agno, XFS_AGF_DADDR(mp)),
+ XFS_FSS_TO_BB(mp, 1));
+ buf->b_ops = &xfs_agf_buf_ops;
+ agf = XFS_BUF_TO_AGF(buf);
+ memset(agf, 0, cfg->sectorsize);
+ if (agno == cfg->agcount - 1)
+ agsize = cfg->dblocks - (xfs_rfsblock_t)(agno * agsize);
+ agf->agf_magicnum = cpu_to_be32(XFS_AGF_MAGIC);
+ agf->agf_versionnum = cpu_to_be32(XFS_AGF_VERSION);
+ agf->agf_seqno = cpu_to_be32(agno);
+ agf->agf_length = cpu_to_be32(agsize);
+ agf->agf_roots[XFS_BTNUM_BNOi] = cpu_to_be32(XFS_BNO_BLOCK(mp));
+ agf->agf_roots[XFS_BTNUM_CNTi] = cpu_to_be32(XFS_CNT_BLOCK(mp));
+ agf->agf_levels[XFS_BTNUM_BNOi] = cpu_to_be32(1);
+ agf->agf_levels[XFS_BTNUM_CNTi] = cpu_to_be32(1);
+ pag->pagf_levels[XFS_BTNUM_BNOi] = 1;
+ pag->pagf_levels[XFS_BTNUM_CNTi] = 1;
+
+ if (xfs_sb_version_hasrmapbt(sbp)) {
+ agf->agf_roots[XFS_BTNUM_RMAPi] = cpu_to_be32(XFS_RMAP_BLOCK(mp));
+ agf->agf_levels[XFS_BTNUM_RMAPi] = cpu_to_be32(1);
+ agf->agf_rmap_blocks = cpu_to_be32(1);
+ }
+
+ if (xfs_sb_version_hasreflink(sbp)) {
+ agf->agf_refcount_root = cpu_to_be32(libxfs_refc_block(mp));
+ agf->agf_refcount_level = cpu_to_be32(1);
+ agf->agf_refcount_blocks = cpu_to_be32(1);
+ }
+
+ agf->agf_flfirst = 0;
+ agf->agf_fllast = cpu_to_be32(XFS_AGFL_SIZE(mp) - 1);
+ agf->agf_flcount = 0;
+ agblocks = (xfs_agblock_t)(agsize - libxfs_prealloc_blocks(mp));
+ agf->agf_freeblks = cpu_to_be32(agblocks);
+ agf->agf_longest = cpu_to_be32(agblocks);
+
+ if (xfs_sb_version_hascrc(sbp))
+ platform_uuid_copy(&agf->agf_uuid, &sbp->sb_uuid);
+
+ if (is_log_ag) {
+ be32_add_cpu(&agf->agf_freeblks, -(int64_t)cfg->logblocks);
+ agf->agf_longest = cpu_to_be32(agsize -
+ XFS_FSB_TO_AGBNO(mp, cfg->logstart) - cfg->logblocks);
+ }
+ if (libxfs_alloc_min_freelist(mp, pag) > *worst_freelist)
+ *worst_freelist = libxfs_alloc_min_freelist(mp, pag);
+ libxfs_writebuf(buf, LIBXFS_EXIT_ON_FAILURE);
+
+ /*
+ * AG freelist header block
+ */
+ buf = libxfs_getbuf(mp->m_ddev_targp,
+ XFS_AG_DADDR(mp, agno, XFS_AGFL_DADDR(mp)),
+ XFS_FSS_TO_BB(mp, 1));
+ buf->b_ops = &xfs_agfl_buf_ops;
+ agfl = XFS_BUF_TO_AGFL(buf);
+ /* setting to 0xff results in initialisation to NULLAGBLOCK */
+ memset(agfl, 0xff, cfg->sectorsize);
+ if (xfs_sb_version_hascrc(sbp)) {
+ agfl->agfl_magicnum = cpu_to_be32(XFS_AGFL_MAGIC);
+ agfl->agfl_seqno = cpu_to_be32(agno);
+ platform_uuid_copy(&agfl->agfl_uuid, &sbp->sb_uuid);
+ for (bucket = 0; bucket < XFS_AGFL_SIZE(mp); bucket++)
+ agfl->agfl_bno[bucket] = cpu_to_be32(NULLAGBLOCK);
+ }
+
+ libxfs_writebuf(buf, LIBXFS_EXIT_ON_FAILURE);
+
+ /*
+ * AG header block: inodes
+ */
+ buf = libxfs_getbuf(mp->m_ddev_targp,
+ XFS_AG_DADDR(mp, agno, XFS_AGI_DADDR(mp)),
+ XFS_FSS_TO_BB(mp, 1));
+ agi = XFS_BUF_TO_AGI(buf);
+ buf->b_ops = &xfs_agi_buf_ops;
+ memset(agi, 0, cfg->sectorsize);
+ 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);
+ if (xfs_sb_version_hasfinobt(sbp)) {
+ agi->agi_free_root = cpu_to_be32(XFS_FIBT_BLOCK(mp));
+ agi->agi_free_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(sbp))
+ platform_uuid_copy(&agi->agi_uuid, &sbp->sb_uuid);
+ for (c = 0; c < XFS_AGI_UNLINKED_BUCKETS; c++)
+ agi->agi_unlinked[c] = cpu_to_be32(NULLAGINO);
+ libxfs_writebuf(buf, LIBXFS_EXIT_ON_FAILURE);
+
+ /*
+ * BNO btree root block
+ */
+ buf = libxfs_getbuf(mp->m_ddev_targp,
+ XFS_AGB_TO_DADDR(mp, agno, XFS_BNO_BLOCK(mp)),
+ BTOBB(cfg->blocksize));
+ buf->b_ops = &xfs_allocbt_buf_ops;
+ block = XFS_BUF_TO_BLOCK(buf);
+ memset(block, 0, cfg->blocksize);
+ libxfs_btree_init_block(mp, buf, XFS_BTNUM_BNO, 0, 1, agno, 0);
+
+ arec = XFS_ALLOC_REC_ADDR(mp, block, 1);
+ arec->ar_startblock = cpu_to_be32(libxfs_prealloc_blocks(mp));
+ if (is_log_ag) {
+ xfs_agblock_t start = XFS_FSB_TO_AGBNO(mp, cfg->logstart);
+
+ ASSERT(start >= libxfs_prealloc_blocks(mp));
+ if (start != libxfs_prealloc_blocks(mp)) {
+ /*
+ * Modify first record to pad stripe align of log
+ */
+ arec->ar_blockcount = cpu_to_be32(start -
+ libxfs_prealloc_blocks(mp));
+ nrec = arec + 1;
+ /*
+ * Insert second record at start of internal log
+ * which then gets trimmed.
+ */
+ nrec->ar_startblock = cpu_to_be32(
+ be32_to_cpu(arec->ar_startblock) +
+ be32_to_cpu(arec->ar_blockcount));
+ arec = nrec;
+ be16_add_cpu(&block->bb_numrecs, 1);
+ }
+ /*
+ * Change record start to after the internal log
+ */
+ be32_add_cpu(&arec->ar_startblock, cfg->logblocks);
+ }
+ /*
+ * Calculate the record block count and check for the case where
+ * the log might have consumed all available space in the AG. If
+ * so, reset the record count to 0 to avoid exposure of an invalid
+ * record start block.
+ */
+ arec->ar_blockcount = cpu_to_be32(agsize -
+ be32_to_cpu(arec->ar_startblock));
+ if (!arec->ar_blockcount)
+ block->bb_numrecs = 0;
+
+ libxfs_writebuf(buf, LIBXFS_EXIT_ON_FAILURE);
+
+ /*
+ * CNT btree root block
+ */
+ buf = libxfs_getbuf(mp->m_ddev_targp,
+ XFS_AGB_TO_DADDR(mp, agno, XFS_CNT_BLOCK(mp)),
+ BTOBB(cfg->blocksize));
+ buf->b_ops = &xfs_allocbt_buf_ops;
+ block = XFS_BUF_TO_BLOCK(buf);
+ memset(block, 0, cfg->blocksize);
+ libxfs_btree_init_block(mp, buf, XFS_BTNUM_CNT, 0, 1, agno, 0);
+
+ arec = XFS_ALLOC_REC_ADDR(mp, block, 1);
+ arec->ar_startblock = cpu_to_be32(libxfs_prealloc_blocks(mp));
+ if (is_log_ag) {
+ xfs_agblock_t start = XFS_FSB_TO_AGBNO(mp, cfg->logstart);
+
+ ASSERT(start >= libxfs_prealloc_blocks(mp));
+ if (start != libxfs_prealloc_blocks(mp)) {
+ arec->ar_blockcount = cpu_to_be32(start -
+ libxfs_prealloc_blocks(mp));
+ nrec = arec + 1;
+ nrec->ar_startblock = cpu_to_be32(
+ be32_to_cpu(arec->ar_startblock) +
+ be32_to_cpu(arec->ar_blockcount));
+ arec = nrec;
+ be16_add_cpu(&block->bb_numrecs, 1);
+ }
+ be32_add_cpu(&arec->ar_startblock, cfg->logblocks);
+ }
+ /*
+ * Calculate the record block count and check for the case where
+ * the log might have consumed all available space in the AG. If
+ * so, reset the record count to 0 to avoid exposure of an invalid
+ * record start block.
+ */
+ arec->ar_blockcount = cpu_to_be32(agsize -
+ be32_to_cpu(arec->ar_startblock));
+ if (!arec->ar_blockcount)
+ block->bb_numrecs = 0;
+
+ libxfs_writebuf(buf, LIBXFS_EXIT_ON_FAILURE);
+
+ /*
+ * refcount btree root block
+ */
+ if (xfs_sb_version_hasreflink(sbp)) {
+ buf = libxfs_getbuf(mp->m_ddev_targp,
+ XFS_AGB_TO_DADDR(mp, agno, libxfs_refc_block(mp)),
+ BTOBB(cfg->blocksize));
+ buf->b_ops = &xfs_refcountbt_buf_ops;
+
+ block = XFS_BUF_TO_BLOCK(buf);
+ memset(block, 0, cfg->blocksize);
+ libxfs_btree_init_block(mp, buf, XFS_BTNUM_REFC, 0, 0, agno, 0);
+ libxfs_writebuf(buf, LIBXFS_EXIT_ON_FAILURE);
+ }
+
+ /*
+ * INO btree root block
+ */
+ buf = libxfs_getbuf(mp->m_ddev_targp,
+ XFS_AGB_TO_DADDR(mp, agno, XFS_IBT_BLOCK(mp)),
+ BTOBB(cfg->blocksize));
+ buf->b_ops = &xfs_inobt_buf_ops;
+ block = XFS_BUF_TO_BLOCK(buf);
+ memset(block, 0, cfg->blocksize);
+ libxfs_btree_init_block(mp, buf, XFS_BTNUM_INO, 0, 0, agno, 0);
+ libxfs_writebuf(buf, LIBXFS_EXIT_ON_FAILURE);
+
+ /*
+ * Free INO btree root block
+ */
+ if (xfs_sb_version_hasfinobt(sbp)) {
+ buf = libxfs_getbuf(mp->m_ddev_targp,
+ XFS_AGB_TO_DADDR(mp, agno, XFS_FIBT_BLOCK(mp)),
+ BTOBB(cfg->blocksize));
+ buf->b_ops = &xfs_inobt_buf_ops;
+ block = XFS_BUF_TO_BLOCK(buf);
+ memset(block, 0, cfg->blocksize);
+ libxfs_btree_init_block(mp, buf, XFS_BTNUM_FINO, 0, 0, agno, 0);
+ libxfs_writebuf(buf, LIBXFS_EXIT_ON_FAILURE);
+ }
+
+ /* RMAP btree root block */
+ if (xfs_sb_version_hasrmapbt(sbp)) {
+ struct xfs_rmap_rec *rrec;
+
+ buf = libxfs_getbuf(mp->m_ddev_targp,
+ XFS_AGB_TO_DADDR(mp, agno, XFS_RMAP_BLOCK(mp)),
+ BTOBB(cfg->blocksize));
+ buf->b_ops = &xfs_rmapbt_buf_ops;
+ block = XFS_BUF_TO_BLOCK(buf);
+ memset(block, 0, cfg->blocksize);
+
+ libxfs_btree_init_block(mp, buf, XFS_BTNUM_RMAP, 0, 0, agno, 0);
+
+ /*
+ * 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.
+ */
+ 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 refcount btree root */
+ if (xfs_sb_version_hasreflink(sbp)) {
+ rrec = XFS_RMAP_REC_ADDR(block, 5);
+ rrec->rm_startblock = cpu_to_be32(libxfs_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);
+ }
+
+ /* account for the log space */
+ if (is_log_ag) {
+ rrec = XFS_RMAP_REC_ADDR(block,
+ be16_to_cpu(block->bb_numrecs) + 1);
+ rrec->rm_startblock = cpu_to_be32(
+ XFS_FSB_TO_AGBNO(mp, cfg->logstart));
+ rrec->rm_blockcount = cpu_to_be32(cfg->logblocks);
+ rrec->rm_owner = cpu_to_be64(XFS_RMAP_OWN_LOG);
+ rrec->rm_offset = 0;
+ be16_add_cpu(&block->bb_numrecs, 1);
+ }
+
+ libxfs_writebuf(buf, LIBXFS_EXIT_ON_FAILURE);
+ }
+
+ libxfs_perag_put(pag);
+}
+
+static void
+initialise_ag_freespace(
+ struct xfs_mount *mp,
+ xfs_agnumber_t agno,
+ int worst_freelist)
+{
+ struct xfs_alloc_arg args;
+ struct xfs_trans *tp;
+ struct xfs_trans_res tres = {0};
+ int c;
+
+ c = libxfs_trans_alloc(mp, &tres, worst_freelist, 0, 0, &tp);
+ if (c)
+ res_failed(c);
+
+ memset(&args, 0, sizeof(args));
+ args.tp = tp;
+ args.mp = mp;
+ args.agno = agno;
+ args.alignment = 1;
+ args.pag = libxfs_perag_get(mp, agno);
+
+ libxfs_alloc_fix_freelist(&args, 0);
+ libxfs_perag_put(args.pag);
+ libxfs_trans_commit(tp);
+}
+
int
main(
int argc,
char **argv)
{
uint64_t agcount;
- xfs_agf_t *agf;
- xfs_agi_t *agi;
xfs_agnumber_t agno;
uint64_t agsize;
- xfs_alloc_rec_t *arec;
- struct xfs_btree_block *block;
int blflag;
int blocklog;
int bsflag;
- int bsize;
xfs_buf_t *buf;
int c;
int daflag;
int nlflag;
int nodsflag;
int norsflag;
- xfs_alloc_rec_t *nrec;
int nsflag;
int nvflag;
int Nflag;
validate_log_size(logblocks, blocklog, min_logblocks);
protostring = setup_proto(protofile);
- bsize = 1 << (blocklog - BBSHIFT);
mp = &mbuf;
sbp = &mp->m_sb;
memset(mp, 0, sizeof(xfs_mount_t));
}
/*
- * XXX: this code is effectively shared with the kernel growfs code.
- * These initialisations should be pulled into libxfs to keep the
- * kernel/userspace header initialisation code the same.
+ * Initialise all the static on disk metadata.
*/
- for (agno = 0; agno < agcount; agno++) {
- struct xfs_agfl *agfl;
- int bucket;
- struct xfs_perag *pag = libxfs_perag_get(mp, agno);
-
- /*
- * Superblock.
- */
- buf = libxfs_getbuf(mp->m_ddev_targp,
- XFS_AG_DADDR(mp, agno, XFS_SB_DADDR),
- XFS_FSS_TO_BB(mp, 1));
- buf->b_ops = &xfs_sb_buf_ops;
- memset(XFS_BUF_PTR(buf), 0, sectorsize);
- libxfs_sb_to_disk((void *)XFS_BUF_PTR(buf), sbp);
- libxfs_writebuf(buf, LIBXFS_EXIT_ON_FAILURE);
-
- /*
- * AG header block: freespace
- */
- buf = libxfs_getbuf(mp->m_ddev_targp,
- XFS_AG_DADDR(mp, agno, XFS_AGF_DADDR(mp)),
- XFS_FSS_TO_BB(mp, 1));
- buf->b_ops = &xfs_agf_buf_ops;
- agf = XFS_BUF_TO_AGF(buf);
- memset(agf, 0, sectorsize);
- if (agno == agcount - 1)
- agsize = dblocks - (xfs_rfsblock_t)(agno * agsize);
- agf->agf_magicnum = cpu_to_be32(XFS_AGF_MAGIC);
- agf->agf_versionnum = cpu_to_be32(XFS_AGF_VERSION);
- agf->agf_seqno = cpu_to_be32(agno);
- agf->agf_length = cpu_to_be32(agsize);
- agf->agf_roots[XFS_BTNUM_BNOi] = cpu_to_be32(XFS_BNO_BLOCK(mp));
- agf->agf_roots[XFS_BTNUM_CNTi] = cpu_to_be32(XFS_CNT_BLOCK(mp));
- agf->agf_levels[XFS_BTNUM_BNOi] = cpu_to_be32(1);
- agf->agf_levels[XFS_BTNUM_CNTi] = cpu_to_be32(1);
- pag->pagf_levels[XFS_BTNUM_BNOi] = 1;
- pag->pagf_levels[XFS_BTNUM_CNTi] = 1;
- if (xfs_sb_version_hasrmapbt(&mp->m_sb)) {
- agf->agf_roots[XFS_BTNUM_RMAPi] =
- cpu_to_be32(XFS_RMAP_BLOCK(mp));
- agf->agf_levels[XFS_BTNUM_RMAPi] = cpu_to_be32(1);
- agf->agf_rmap_blocks = cpu_to_be32(1);
- }
- if (xfs_sb_version_hasreflink(&mp->m_sb)) {
- agf->agf_refcount_root = cpu_to_be32(
- libxfs_refc_block(mp));
- agf->agf_refcount_level = cpu_to_be32(1);
- agf->agf_refcount_blocks = cpu_to_be32(1);
- }
- agf->agf_flfirst = 0;
- agf->agf_fllast = cpu_to_be32(XFS_AGFL_SIZE(mp) - 1);
- agf->agf_flcount = 0;
- nbmblocks = (xfs_extlen_t)(agsize - libxfs_prealloc_blocks(mp));
- agf->agf_freeblks = cpu_to_be32(nbmblocks);
- agf->agf_longest = cpu_to_be32(nbmblocks);
- if (xfs_sb_version_hascrc(&mp->m_sb))
- platform_uuid_copy(&agf->agf_uuid, &mp->m_sb.sb_uuid);
-
- if (loginternal && agno == logagno) {
- be32_add_cpu(&agf->agf_freeblks, -logblocks);
- agf->agf_longest = cpu_to_be32(agsize -
- XFS_FSB_TO_AGBNO(mp, logstart) - logblocks);
- }
- if (libxfs_alloc_min_freelist(mp, pag) > worst_freelist)
- worst_freelist = libxfs_alloc_min_freelist(mp, pag);
- libxfs_writebuf(buf, LIBXFS_EXIT_ON_FAILURE);
-
- /*
- * AG freelist header block
- */
- buf = libxfs_getbuf(mp->m_ddev_targp,
- XFS_AG_DADDR(mp, agno, XFS_AGFL_DADDR(mp)),
- XFS_FSS_TO_BB(mp, 1));
- buf->b_ops = &xfs_agfl_buf_ops;
- agfl = XFS_BUF_TO_AGFL(buf);
- /* setting to 0xff results in initialisation to NULLAGBLOCK */
- memset(agfl, 0xff, sectorsize);
- if (xfs_sb_version_hascrc(&mp->m_sb)) {
- agfl->agfl_magicnum = cpu_to_be32(XFS_AGFL_MAGIC);
- agfl->agfl_seqno = cpu_to_be32(agno);
- platform_uuid_copy(&agfl->agfl_uuid, &mp->m_sb.sb_uuid);
- for (bucket = 0; bucket < XFS_AGFL_SIZE(mp); bucket++)
- agfl->agfl_bno[bucket] = cpu_to_be32(NULLAGBLOCK);
- }
-
- libxfs_writebuf(buf, LIBXFS_EXIT_ON_FAILURE);
-
- /*
- * AG header block: inodes
- */
- buf = libxfs_getbuf(mp->m_ddev_targp,
- XFS_AG_DADDR(mp, agno, XFS_AGI_DADDR(mp)),
- XFS_FSS_TO_BB(mp, 1));
- agi = XFS_BUF_TO_AGI(buf);
- buf->b_ops = &xfs_agi_buf_ops;
- memset(agi, 0, sectorsize);
- 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((xfs_agblock_t)agsize);
- agi->agi_count = 0;
- agi->agi_root = cpu_to_be32(XFS_IBT_BLOCK(mp));
- agi->agi_level = cpu_to_be32(1);
- if (sb_feat.finobt) {
- agi->agi_free_root = cpu_to_be32(XFS_FIBT_BLOCK(mp));
- agi->agi_free_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))
- platform_uuid_copy(&agi->agi_uuid, &mp->m_sb.sb_uuid);
- for (c = 0; c < XFS_AGI_UNLINKED_BUCKETS; c++)
- agi->agi_unlinked[c] = cpu_to_be32(NULLAGINO);
- libxfs_writebuf(buf, LIBXFS_EXIT_ON_FAILURE);
-
- /*
- * BNO btree root block
- */
- buf = libxfs_getbuf(mp->m_ddev_targp,
- XFS_AGB_TO_DADDR(mp, agno, XFS_BNO_BLOCK(mp)),
- bsize);
- buf->b_ops = &xfs_allocbt_buf_ops;
- block = XFS_BUF_TO_BLOCK(buf);
- memset(block, 0, blocksize);
- libxfs_btree_init_block(mp, buf, XFS_BTNUM_BNO, 0, 1, agno, 0);
-
- arec = XFS_ALLOC_REC_ADDR(mp, block, 1);
- arec->ar_startblock = cpu_to_be32(libxfs_prealloc_blocks(mp));
- if (loginternal && agno == logagno) {
- if (lalign) {
- /*
- * Have to insert two records
- * Insert pad record for stripe align of log
- */
- arec->ar_blockcount = cpu_to_be32(
- XFS_FSB_TO_AGBNO(mp, logstart) -
- be32_to_cpu(arec->ar_startblock));
- nrec = arec + 1;
- /*
- * Insert record at start of internal log
- */
- nrec->ar_startblock = cpu_to_be32(
- be32_to_cpu(arec->ar_startblock) +
- be32_to_cpu(arec->ar_blockcount));
- arec = nrec;
- be16_add_cpu(&block->bb_numrecs, 1);
- }
- /*
- * Change record start to after the internal log
- */
- be32_add_cpu(&arec->ar_startblock, logblocks);
- }
- /*
- * Calculate the record block count and check for the case where
- * the log might have consumed all available space in the AG. If
- * so, reset the record count to 0 to avoid exposure of an invalid
- * record start block.
- */
- arec->ar_blockcount = cpu_to_be32(agsize -
- be32_to_cpu(arec->ar_startblock));
- if (!arec->ar_blockcount)
- block->bb_numrecs = 0;
-
- libxfs_writebuf(buf, LIBXFS_EXIT_ON_FAILURE);
-
- /*
- * CNT btree root block
- */
- buf = libxfs_getbuf(mp->m_ddev_targp,
- XFS_AGB_TO_DADDR(mp, agno, XFS_CNT_BLOCK(mp)),
- bsize);
- buf->b_ops = &xfs_allocbt_buf_ops;
- block = XFS_BUF_TO_BLOCK(buf);
- memset(block, 0, blocksize);
- libxfs_btree_init_block(mp, buf, XFS_BTNUM_CNT, 0, 1, agno, 0);
-
- arec = XFS_ALLOC_REC_ADDR(mp, block, 1);
- arec->ar_startblock = cpu_to_be32(libxfs_prealloc_blocks(mp));
- if (loginternal && agno == logagno) {
- if (lalign) {
- arec->ar_blockcount = cpu_to_be32(
- XFS_FSB_TO_AGBNO(mp, logstart) -
- be32_to_cpu(arec->ar_startblock));
- nrec = arec + 1;
- nrec->ar_startblock = cpu_to_be32(
- be32_to_cpu(arec->ar_startblock) +
- be32_to_cpu(arec->ar_blockcount));
- arec = nrec;
- be16_add_cpu(&block->bb_numrecs, 1);
- }
- be32_add_cpu(&arec->ar_startblock, logblocks);
- }
- /*
- * Calculate the record block count and check for the case where
- * the log might have consumed all available space in the AG. If
- * so, reset the record count to 0 to avoid exposure of an invalid
- * record start block.
- */
- arec->ar_blockcount = cpu_to_be32(agsize -
- be32_to_cpu(arec->ar_startblock));
- if (!arec->ar_blockcount)
- block->bb_numrecs = 0;
-
- libxfs_writebuf(buf, LIBXFS_EXIT_ON_FAILURE);
-
- /*
- * refcount btree root block
- */
- if (xfs_sb_version_hasreflink(&mp->m_sb)) {
- buf = libxfs_getbuf(mp->m_ddev_targp,
- XFS_AGB_TO_DADDR(mp, agno,
- libxfs_refc_block(mp)),
- bsize);
- buf->b_ops = &xfs_refcountbt_buf_ops;
-
- block = XFS_BUF_TO_BLOCK(buf);
- memset(block, 0, blocksize);
- libxfs_btree_init_block(mp, buf, XFS_BTNUM_REFC, 0,
- 0, agno, 0);
-
- libxfs_writebuf(buf, LIBXFS_EXIT_ON_FAILURE);
- }
-
- /*
- * INO btree root block
- */
- buf = libxfs_getbuf(mp->m_ddev_targp,
- XFS_AGB_TO_DADDR(mp, agno, XFS_IBT_BLOCK(mp)),
- bsize);
- buf->b_ops = &xfs_inobt_buf_ops;
- block = XFS_BUF_TO_BLOCK(buf);
- memset(block, 0, blocksize);
- libxfs_btree_init_block(mp, buf, XFS_BTNUM_INO, 0, 0, agno, 0);
- libxfs_writebuf(buf, LIBXFS_EXIT_ON_FAILURE);
-
- /*
- * Free INO btree root block
- */
- if (sb_feat.finobt) {
- buf = libxfs_getbuf(mp->m_ddev_targp,
- XFS_AGB_TO_DADDR(mp, agno, XFS_FIBT_BLOCK(mp)),
- bsize);
- buf->b_ops = &xfs_inobt_buf_ops;
- block = XFS_BUF_TO_BLOCK(buf);
- memset(block, 0, blocksize);
- libxfs_btree_init_block(mp, buf, XFS_BTNUM_FINO, 0, 0, agno, 0);
- libxfs_writebuf(buf, LIBXFS_EXIT_ON_FAILURE);
- }
-
- /* RMAP btree root block */
- if (xfs_sb_version_hasrmapbt(&mp->m_sb)) {
- struct xfs_rmap_rec *rrec;
-
- buf = libxfs_getbuf(mp->m_ddev_targp,
- XFS_AGB_TO_DADDR(mp, agno, XFS_RMAP_BLOCK(mp)),
- bsize);
- buf->b_ops = &xfs_rmapbt_buf_ops;
- block = XFS_BUF_TO_BLOCK(buf);
- memset(block, 0, blocksize);
-
- libxfs_btree_init_block(mp, buf, XFS_BTNUM_RMAP, 0, 0, agno, 0);
-
- /*
- * 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.
- */
- 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 refcount btree root */
- if (xfs_sb_version_hasreflink(&mp->m_sb)) {
- rrec = XFS_RMAP_REC_ADDR(block, 5);
- rrec->rm_startblock = cpu_to_be32(
- libxfs_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);
- }
-
- /* account for the log space */
- if (loginternal && agno == logagno) {
- rrec = XFS_RMAP_REC_ADDR(block,
- be16_to_cpu(block->bb_numrecs) + 1);
- rrec->rm_startblock = cpu_to_be32(
- XFS_FSB_TO_AGBNO(mp, logstart));
- rrec->rm_blockcount = cpu_to_be32(logblocks);
- rrec->rm_owner = cpu_to_be64(XFS_RMAP_OWN_LOG);
- rrec->rm_offset = 0;
- be16_add_cpu(&block->bb_numrecs, 1);
- }
-
- libxfs_writebuf(buf, LIBXFS_EXIT_ON_FAILURE);
- }
-
- libxfs_perag_put(pag);
- }
+ for (agno = 0; agno < cfg.agcount; agno++)
+ initialise_ag_headers(&cfg, mp, sbp, agno, &worst_freelist);
/*
- * BNO, CNT free block list
+ * Initialise the freespace freelists (i.e. AGFLs) in each AG.
*/
- for (agno = 0; agno < agcount; agno++) {
- xfs_alloc_arg_t args;
- xfs_trans_t *tp;
- struct xfs_trans_res tres = {0};
-
- c = libxfs_trans_alloc(mp, &tres, worst_freelist, 0, 0, &tp);
- if (c)
- res_failed(c);
-
- memset(&args, 0, sizeof(args));
- args.tp = tp;
- args.mp = mp;
- args.agno = agno;
- args.alignment = 1;
- args.pag = libxfs_perag_get(mp,agno);
-
- libxfs_alloc_fix_freelist(&args, 0);
- libxfs_perag_put(args.pag);
- libxfs_trans_commit(tp);
- }
+ for (agno = 0; agno < cfg.agcount; agno++)
+ initialise_ag_freespace(mp, agno, worst_freelist);
/*
* Allocate the root inode and anything else in the proto file.
projects / thirdparty / xfsprogs-dev.git / commitdiff
