From: Darrick J. Wong <darrick.wong@xxxxxxxxxx> This code isn't needed anymore, so get rid of it. Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx> --- repair/phase5.c | 242 ------------------------------------------------------- 1 file changed, 242 deletions(-) diff --git a/repair/phase5.c b/repair/phase5.c index c6062127..15358597 100644 --- a/repair/phase5.c +++ b/repair/phase5.c @@ -20,52 +20,6 @@ #include "rmap.h" #include "bload.h" -/* - * we maintain the current slice (path from root to leaf) - * of the btree incore. when we need a new block, we ask - * the block allocator for the address of a block on that - * level, map the block in, and set up the appropriate - * pointers (child, silbing, etc.) and keys that should - * point to the new block. - */ -typedef struct bt_stat_level { - /* - * set in setup_cursor routine and maintained in the tree-building - * routines - */ - xfs_buf_t *buf_p; /* 2 buffer pointers to ... */ - xfs_buf_t *prev_buf_p; - xfs_agblock_t agbno; /* current block being filled */ - xfs_agblock_t prev_agbno; /* previous block */ - /* - * set in calculate/init cursor routines for each btree level - */ - int num_recs_tot; /* # tree recs in level */ - int num_blocks; /* # tree blocks in level */ - int num_recs_pb; /* num_recs_tot / num_blocks */ - int modulo; /* num_recs_tot % num_blocks */ -} bt_stat_level_t; - -typedef struct bt_status { - int init; /* cursor set up once? */ - int num_levels; /* # of levels in btree */ - xfs_extlen_t num_tot_blocks; /* # blocks alloc'ed for tree */ - xfs_extlen_t num_free_blocks;/* # blocks currently unused */ - - xfs_agblock_t root; /* root block */ - /* - * list of blocks to be used to set up this tree - * and pointer to the first unused block on the list - */ - xfs_agblock_t *btree_blocks; /* block list */ - xfs_agblock_t *free_btree_blocks; /* first unused block */ - /* - * per-level status info - */ - bt_stat_level_t level[XFS_BTREE_MAXLEVELS]; - uint64_t owner; /* owner */ -} bt_status_t; - struct bt_rebuild { struct xrep_newbt newbt; struct xfs_btree_bload bload; @@ -188,148 +142,6 @@ mk_incore_fstree( return(num_extents); } -static xfs_agblock_t -get_next_blockaddr(xfs_agnumber_t agno, int level, bt_status_t *curs) -{ - ASSERT(curs->free_btree_blocks < curs->btree_blocks + - curs->num_tot_blocks); - ASSERT(curs->num_free_blocks > 0); - - curs->num_free_blocks--; - return(*curs->free_btree_blocks++); -} - -/* - * set up the dynamically allocated block allocation data in the btree - * cursor that depends on the info in the static portion of the cursor. - * allocates space from the incore bno/bcnt extent trees and sets up - * the first path up the left side of the tree. Also sets up the - * cursor pointer to the btree root. called by init_freespace_cursor() - * and init_ino_cursor() - */ -static void -setup_cursor(xfs_mount_t *mp, xfs_agnumber_t agno, bt_status_t *curs) -{ - int j; - unsigned int u; - xfs_extlen_t big_extent_len; - xfs_agblock_t big_extent_start; - extent_tree_node_t *ext_ptr; - extent_tree_node_t *bno_ext_ptr; - xfs_extlen_t blocks_allocated; - xfs_agblock_t *agb_ptr; - int error; - - /* - * get the number of blocks we need to allocate, then - * set up block number array, set the free block pointer - * to the first block in the array, and null the array - */ - big_extent_len = curs->num_tot_blocks; - blocks_allocated = 0; - - ASSERT(big_extent_len > 0); - - if ((curs->btree_blocks = malloc(sizeof(xfs_agblock_t) - * big_extent_len)) == NULL) - do_error(_("could not set up btree block array\n")); - - agb_ptr = curs->free_btree_blocks = curs->btree_blocks; - - for (j = 0; j < curs->num_free_blocks; j++, agb_ptr++) - *agb_ptr = NULLAGBLOCK; - - /* - * grab the smallest extent and use it up, then get the - * next smallest. This mimics the init_*_cursor code. - */ - ext_ptr = findfirst_bcnt_extent(agno); - - agb_ptr = curs->btree_blocks; - - /* - * set up the free block array - */ - while (blocks_allocated < big_extent_len) { - if (!ext_ptr) - do_error( -_("error - not enough free space in filesystem\n")); - /* - * use up the extent we've got - */ - for (u = 0; u < ext_ptr->ex_blockcount && - blocks_allocated < big_extent_len; u++) { - ASSERT(agb_ptr < curs->btree_blocks - + curs->num_tot_blocks); - *agb_ptr++ = ext_ptr->ex_startblock + u; - blocks_allocated++; - } - - error = rmap_add_ag_rec(mp, agno, ext_ptr->ex_startblock, u, - curs->owner); - if (error) - do_error(_("could not set up btree rmaps: %s\n"), - strerror(-error)); - - /* - * if we only used part of this last extent, then we - * need only to reset the extent in the extent - * trees and we're done - */ - if (u < ext_ptr->ex_blockcount) { - big_extent_start = ext_ptr->ex_startblock + u; - big_extent_len = ext_ptr->ex_blockcount - u; - - ASSERT(big_extent_len > 0); - - bno_ext_ptr = find_bno_extent(agno, - ext_ptr->ex_startblock); - ASSERT(bno_ext_ptr != NULL); - get_bno_extent(agno, bno_ext_ptr); - release_extent_tree_node(bno_ext_ptr); - - ext_ptr = get_bcnt_extent(agno, ext_ptr->ex_startblock, - ext_ptr->ex_blockcount); - release_extent_tree_node(ext_ptr); -#ifdef XR_BLD_FREE_TRACE - fprintf(stderr, "releasing extent: %u [%u %u]\n", - agno, ext_ptr->ex_startblock, - ext_ptr->ex_blockcount); - fprintf(stderr, "blocks_allocated = %d\n", - blocks_allocated); -#endif - - add_bno_extent(agno, big_extent_start, big_extent_len); - add_bcnt_extent(agno, big_extent_start, big_extent_len); - - return; - } - /* - * delete the used-up extent from both extent trees and - * find next biggest extent - */ -#ifdef XR_BLD_FREE_TRACE - fprintf(stderr, "releasing extent: %u [%u %u]\n", - agno, ext_ptr->ex_startblock, ext_ptr->ex_blockcount); -#endif - bno_ext_ptr = find_bno_extent(agno, ext_ptr->ex_startblock); - ASSERT(bno_ext_ptr != NULL); - get_bno_extent(agno, bno_ext_ptr); - release_extent_tree_node(bno_ext_ptr); - - ext_ptr = get_bcnt_extent(agno, ext_ptr->ex_startblock, - ext_ptr->ex_blockcount); - ASSERT(ext_ptr != NULL); - release_extent_tree_node(ext_ptr); - - ext_ptr = findfirst_bcnt_extent(agno); - } -#ifdef XR_BLD_FREE_TRACE - fprintf(stderr, "blocks_allocated = %d\n", - blocks_allocated); -#endif -} - /* * Estimate proper slack values for a btree that's being reloaded. * @@ -481,36 +293,6 @@ rebuild_alloc_block( return xrep_newbt_alloc_block(cur, &btr->newbt, ptr); } -static void -write_cursor(bt_status_t *curs) -{ - int i; - - for (i = 0; i < curs->num_levels; i++) { -#if defined(XR_BLD_FREE_TRACE) || defined(XR_BLD_INO_TRACE) - fprintf(stderr, "writing bt block %u\n", curs->level[i].agbno); -#endif - if (curs->level[i].prev_buf_p != NULL) { - ASSERT(curs->level[i].prev_agbno != NULLAGBLOCK); -#if defined(XR_BLD_FREE_TRACE) || defined(XR_BLD_INO_TRACE) - fprintf(stderr, "writing bt prev block %u\n", - curs->level[i].prev_agbno); -#endif - libxfs_buf_mark_dirty(curs->level[i].prev_buf_p); - libxfs_buf_relse(curs->level[i].prev_buf_p); - } - libxfs_buf_mark_dirty(curs->level[i].buf_p); - libxfs_buf_relse(curs->level[i].buf_p); - } -} - -static void -finish_cursor(bt_status_t *curs) -{ - ASSERT(curs->num_free_blocks == 0); - free(curs->btree_blocks); -} - /* * Scoop up leftovers from a rebuild cursor for later freeing, then free the * rebuild context. @@ -539,30 +321,6 @@ _("Insufficient memory saving lost blocks.\n")); xrep_newbt_destroy(&btr->newbt, 0); } -/* Map btnum to buffer ops for the types that need it. */ -static const struct xfs_buf_ops * -btnum_to_ops( - xfs_btnum_t btnum) -{ - switch (btnum) { - case XFS_BTNUM_BNO: - return &xfs_bnobt_buf_ops; - case XFS_BTNUM_CNT: - return &xfs_cntbt_buf_ops; - case XFS_BTNUM_INO: - return &xfs_inobt_buf_ops; - case XFS_BTNUM_FINO: - return &xfs_finobt_buf_ops; - case XFS_BTNUM_RMAP: - return &xfs_rmapbt_buf_ops; - case XFS_BTNUM_REFC: - return &xfs_refcountbt_buf_ops; - default: - ASSERT(0); - return NULL; - } -} - /* * Free Space Btrees *