diff options
Diffstat (limited to 'fs/xfs/xfs_alloc_btree.c')
-rw-r--r-- | fs/xfs/xfs_alloc_btree.c | 99 |
1 files changed, 4 insertions, 95 deletions
diff --git a/fs/xfs/xfs_alloc_btree.c b/fs/xfs/xfs_alloc_btree.c index 9e2421c31a36..febc2d5ea295 100644 --- a/fs/xfs/xfs_alloc_btree.c +++ b/fs/xfs/xfs_alloc_btree.c @@ -303,7 +303,7 @@ xfs_alloc_delrec( */ i = xfs_btree_lastrec(tcur, level); XFS_WANT_CORRUPTED_GOTO(i == 1, error0); - if ((error = xfs_alloc_increment(tcur, level, &i))) + if ((error = xfs_btree_increment(tcur, level, &i))) goto error0; XFS_WANT_CORRUPTED_GOTO(i == 1, error0); i = xfs_btree_lastrec(tcur, level); @@ -517,7 +517,7 @@ xfs_alloc_delrec( * us, increment the cursor at that level. */ else if (level + 1 < cur->bc_nlevels && - (error = xfs_alloc_increment(cur, level + 1, &i))) + (error = xfs_btree_increment(cur, level + 1, &i))) return error; /* * Fix up the number of records in the surviving block. @@ -1134,7 +1134,7 @@ xfs_alloc_lookup( int i; cur->bc_ptrs[0] = keyno; - if ((error = xfs_alloc_increment(cur, 0, &i))) + if ((error = xfs_btree_increment(cur, 0, &i))) return error; XFS_WANT_CORRUPTED_RETURN(i == 1); *stat = 1; @@ -1570,7 +1570,7 @@ xfs_alloc_rshift( return error; i = xfs_btree_lastrec(tcur, level); XFS_WANT_CORRUPTED_GOTO(i == 1, error0); - if ((error = xfs_alloc_increment(tcur, level, &i)) || + if ((error = xfs_btree_increment(tcur, level, &i)) || (error = xfs_alloc_updkey(tcur, rkp, level + 1))) goto error0; xfs_btree_del_cursor(tcur, XFS_BTREE_NOERROR); @@ -1943,97 +1943,6 @@ xfs_alloc_get_rec( } /* - * Increment cursor by one record at the level. - * For nonzero levels the leaf-ward information is untouched. - */ -int /* error */ -xfs_alloc_increment( - xfs_btree_cur_t *cur, /* btree cursor */ - int level, /* level in btree, 0 is leaf */ - int *stat) /* success/failure */ -{ - xfs_alloc_block_t *block; /* btree block */ - xfs_buf_t *bp; /* tree block buffer */ - int error; /* error return value */ - int lev; /* btree level */ - - ASSERT(level < cur->bc_nlevels); - /* - * Read-ahead to the right at this level. - */ - xfs_btree_readahead(cur, level, XFS_BTCUR_RIGHTRA); - /* - * Get a pointer to the btree block. - */ - bp = cur->bc_bufs[level]; - block = XFS_BUF_TO_ALLOC_BLOCK(bp); -#ifdef DEBUG - if ((error = xfs_btree_check_sblock(cur, block, level, bp))) - return error; -#endif - /* - * Increment the ptr at this level. If we're still in the block - * then we're done. - */ - if (++cur->bc_ptrs[level] <= be16_to_cpu(block->bb_numrecs)) { - *stat = 1; - return 0; - } - /* - * If we just went off the right edge of the tree, return failure. - */ - if (be32_to_cpu(block->bb_rightsib) == NULLAGBLOCK) { - *stat = 0; - return 0; - } - /* - * March up the tree incrementing pointers. - * Stop when we don't go off the right edge of a block. - */ - for (lev = level + 1; lev < cur->bc_nlevels; lev++) { - bp = cur->bc_bufs[lev]; - block = XFS_BUF_TO_ALLOC_BLOCK(bp); -#ifdef DEBUG - if ((error = xfs_btree_check_sblock(cur, block, lev, bp))) - return error; -#endif - if (++cur->bc_ptrs[lev] <= be16_to_cpu(block->bb_numrecs)) - break; - /* - * Read-ahead the right block, we're going to read it - * in the next loop. - */ - xfs_btree_readahead(cur, lev, XFS_BTCUR_RIGHTRA); - } - /* - * If we went off the root then we are seriously confused. - */ - ASSERT(lev < cur->bc_nlevels); - /* - * Now walk back down the tree, fixing up the cursor's buffer - * pointers and key numbers. - */ - for (bp = cur->bc_bufs[lev], block = XFS_BUF_TO_ALLOC_BLOCK(bp); - lev > level; ) { - xfs_agblock_t agbno; /* block number of btree block */ - - agbno = be32_to_cpu(*XFS_ALLOC_PTR_ADDR(block, cur->bc_ptrs[lev], cur)); - if ((error = xfs_btree_read_bufs(cur->bc_mp, cur->bc_tp, - cur->bc_private.a.agno, agbno, 0, &bp, - XFS_ALLOC_BTREE_REF))) - return error; - lev--; - xfs_btree_setbuf(cur, lev, bp); - block = XFS_BUF_TO_ALLOC_BLOCK(bp); - if ((error = xfs_btree_check_sblock(cur, block, lev, bp))) - return error; - cur->bc_ptrs[lev] = 1; - } - *stat = 1; - return 0; -} - -/* * Insert the current record at the point referenced by cur. * The cursor may be inconsistent on return if splits have been done. */ |