diff options
Diffstat (limited to 'fs/xfs/xfs_btree.c')
-rw-r--r-- | fs/xfs/xfs_btree.c | 160 |
1 files changed, 72 insertions, 88 deletions
diff --git a/fs/xfs/xfs_btree.c b/fs/xfs/xfs_btree.c index 0cc63d6..52d5d09 100644 --- a/fs/xfs/xfs_btree.c +++ b/fs/xfs/xfs_btree.c @@ -1,45 +1,26 @@ /* - * Copyright (c) 2000-2002 Silicon Graphics, Inc. All Rights Reserved. + * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc. + * All Rights Reserved. * - * This program is free software; you can redistribute it and/or modify it - * under the terms of version 2 of the GNU General Public License as + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation. * - * This program is distributed in the hope that it would be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. * - * Further, this software is distributed without any warranty that it is - * free of the rightful claim of any third person regarding infringement - * or the like. Any license provided herein, whether implied or - * otherwise, applies only to this software file. Patent licenses, if - * any, provided herein do not apply to combinations of this program with - * other software, or any other product whatsoever. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write the Free Software Foundation, Inc., 59 - * Temple Place - Suite 330, Boston MA 02111-1307, USA. - * - * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, - * Mountain View, CA 94043, or: - * - * http://www.sgi.com - * - * For further information regarding this notice, see: - * - * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/ + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ - -/* - * This file contains common code for the space manager's btree implementations. - */ - #include "xfs.h" - -#include "xfs_macros.h" +#include "xfs_fs.h" #include "xfs_types.h" -#include "xfs_inum.h" +#include "xfs_bit.h" #include "xfs_log.h" +#include "xfs_inum.h" #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" @@ -47,17 +28,16 @@ #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" -#include "xfs_alloc_btree.h" #include "xfs_bmap_btree.h" +#include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" -#include "xfs_btree.h" -#include "xfs_ialloc.h" -#include "xfs_attr_sf.h" #include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" +#include "xfs_attr_sf.h" #include "xfs_dinode.h" #include "xfs_inode.h" -#include "xfs_bit.h" +#include "xfs_btree.h" +#include "xfs_ialloc.h" #include "xfs_error.h" /* @@ -110,11 +90,14 @@ xfs_btree_maxrecs( switch (cur->bc_btnum) { case XFS_BTNUM_BNO: case XFS_BTNUM_CNT: - return (int)XFS_ALLOC_BLOCK_MAXRECS(INT_GET(block->bb_h.bb_level, ARCH_CONVERT), cur); + return (int)XFS_ALLOC_BLOCK_MAXRECS( + be16_to_cpu(block->bb_h.bb_level), cur); case XFS_BTNUM_BMAP: - return (int)XFS_BMAP_BLOCK_IMAXRECS(INT_GET(block->bb_h.bb_level, ARCH_CONVERT), cur); + return (int)XFS_BMAP_BLOCK_IMAXRECS( + be16_to_cpu(block->bb_h.bb_level), cur); case XFS_BTNUM_INO: - return (int)XFS_INOBT_BLOCK_MAXRECS(INT_GET(block->bb_h.bb_level, ARCH_CONVERT), cur); + return (int)XFS_INOBT_BLOCK_MAXRECS( + be16_to_cpu(block->bb_h.bb_level), cur); default: ASSERT(0); return 0; @@ -160,7 +143,7 @@ xfs_btree_check_key( k1 = ak1; k2 = ak2; - ASSERT(INT_GET(k1->ar_startblock, ARCH_CONVERT) < INT_GET(k2->ar_startblock, ARCH_CONVERT)); + ASSERT(be32_to_cpu(k1->ar_startblock) < be32_to_cpu(k2->ar_startblock)); break; } case XFS_BTNUM_CNT: { @@ -169,9 +152,9 @@ xfs_btree_check_key( k1 = ak1; k2 = ak2; - ASSERT(INT_GET(k1->ar_blockcount, ARCH_CONVERT) < INT_GET(k2->ar_blockcount, ARCH_CONVERT) || - (INT_GET(k1->ar_blockcount, ARCH_CONVERT) == INT_GET(k2->ar_blockcount, ARCH_CONVERT) && - INT_GET(k1->ar_startblock, ARCH_CONVERT) < INT_GET(k2->ar_startblock, ARCH_CONVERT))); + ASSERT(be32_to_cpu(k1->ar_blockcount) < be32_to_cpu(k2->ar_blockcount) || + (k1->ar_blockcount == k2->ar_blockcount && + be32_to_cpu(k1->ar_startblock) < be32_to_cpu(k2->ar_startblock))); break; } case XFS_BTNUM_BMAP: { @@ -214,16 +197,16 @@ xfs_btree_check_lblock( mp = cur->bc_mp; lblock_ok = - INT_GET(block->bb_magic, ARCH_CONVERT) == xfs_magics[cur->bc_btnum] && - INT_GET(block->bb_level, ARCH_CONVERT) == level && - INT_GET(block->bb_numrecs, ARCH_CONVERT) <= + be32_to_cpu(block->bb_magic) == xfs_magics[cur->bc_btnum] && + be16_to_cpu(block->bb_level) == level && + be16_to_cpu(block->bb_numrecs) <= xfs_btree_maxrecs(cur, (xfs_btree_block_t *)block) && block->bb_leftsib && - (INT_GET(block->bb_leftsib, ARCH_CONVERT) == NULLDFSBNO || - XFS_FSB_SANITY_CHECK(mp, INT_GET(block->bb_leftsib, ARCH_CONVERT))) && + (be64_to_cpu(block->bb_leftsib) == NULLDFSBNO || + XFS_FSB_SANITY_CHECK(mp, be64_to_cpu(block->bb_leftsib))) && block->bb_rightsib && - (INT_GET(block->bb_rightsib, ARCH_CONVERT) == NULLDFSBNO || - XFS_FSB_SANITY_CHECK(mp, INT_GET(block->bb_rightsib, ARCH_CONVERT))); + (be64_to_cpu(block->bb_rightsib) == NULLDFSBNO || + XFS_FSB_SANITY_CHECK(mp, be64_to_cpu(block->bb_rightsib))); if (unlikely(XFS_TEST_ERROR(!lblock_ok, mp, XFS_ERRTAG_BTREE_CHECK_LBLOCK, XFS_RANDOM_BTREE_CHECK_LBLOCK))) { if (bp) @@ -271,8 +254,9 @@ xfs_btree_check_rec( r1 = ar1; r2 = ar2; - ASSERT(INT_GET(r1->ar_startblock, ARCH_CONVERT) + INT_GET(r1->ar_blockcount, ARCH_CONVERT) <= - INT_GET(r2->ar_startblock, ARCH_CONVERT)); + ASSERT(be32_to_cpu(r1->ar_startblock) + + be32_to_cpu(r1->ar_blockcount) <= + be32_to_cpu(r2->ar_startblock)); break; } case XFS_BTNUM_CNT: { @@ -281,9 +265,9 @@ xfs_btree_check_rec( r1 = ar1; r2 = ar2; - ASSERT(INT_GET(r1->ar_blockcount, ARCH_CONVERT) < INT_GET(r2->ar_blockcount, ARCH_CONVERT) || - (INT_GET(r1->ar_blockcount, ARCH_CONVERT) == INT_GET(r2->ar_blockcount, ARCH_CONVERT) && - INT_GET(r1->ar_startblock, ARCH_CONVERT) < INT_GET(r2->ar_startblock, ARCH_CONVERT))); + ASSERT(be32_to_cpu(r1->ar_blockcount) < be32_to_cpu(r2->ar_blockcount) || + (r1->ar_blockcount == r2->ar_blockcount && + be32_to_cpu(r1->ar_startblock) < be32_to_cpu(r2->ar_startblock))); break; } case XFS_BTNUM_BMAP: { @@ -331,17 +315,17 @@ xfs_btree_check_sblock( agbp = cur->bc_private.a.agbp; agf = XFS_BUF_TO_AGF(agbp); - agflen = INT_GET(agf->agf_length, ARCH_CONVERT); + agflen = be32_to_cpu(agf->agf_length); sblock_ok = - INT_GET(block->bb_magic, ARCH_CONVERT) == xfs_magics[cur->bc_btnum] && - INT_GET(block->bb_level, ARCH_CONVERT) == level && - INT_GET(block->bb_numrecs, ARCH_CONVERT) <= + be32_to_cpu(block->bb_magic) == xfs_magics[cur->bc_btnum] && + be16_to_cpu(block->bb_level) == level && + be16_to_cpu(block->bb_numrecs) <= xfs_btree_maxrecs(cur, (xfs_btree_block_t *)block) && - (INT_GET(block->bb_leftsib, ARCH_CONVERT) == NULLAGBLOCK || - INT_GET(block->bb_leftsib, ARCH_CONVERT) < agflen) && + (be32_to_cpu(block->bb_leftsib) == NULLAGBLOCK || + be32_to_cpu(block->bb_leftsib) < agflen) && block->bb_leftsib && - (INT_GET(block->bb_rightsib, ARCH_CONVERT) == NULLAGBLOCK || - INT_GET(block->bb_rightsib, ARCH_CONVERT) < agflen) && + (be32_to_cpu(block->bb_rightsib) == NULLAGBLOCK || + be32_to_cpu(block->bb_rightsib) < agflen) && block->bb_rightsib; if (unlikely(XFS_TEST_ERROR(!sblock_ok, cur->bc_mp, XFS_ERRTAG_BTREE_CHECK_SBLOCK, @@ -372,7 +356,7 @@ xfs_btree_check_sptr( XFS_WANT_CORRUPTED_RETURN( level > 0 && ptr != NULLAGBLOCK && ptr != 0 && - ptr < INT_GET(agf->agf_length, ARCH_CONVERT)); + ptr < be32_to_cpu(agf->agf_length)); return 0; } @@ -611,15 +595,15 @@ xfs_btree_init_cursor( case XFS_BTNUM_BNO: case XFS_BTNUM_CNT: agf = XFS_BUF_TO_AGF(agbp); - nlevels = INT_GET(agf->agf_levels[btnum], ARCH_CONVERT); + nlevels = be32_to_cpu(agf->agf_levels[btnum]); break; case XFS_BTNUM_BMAP: ifp = XFS_IFORK_PTR(ip, whichfork); - nlevels = INT_GET(ifp->if_broot->bb_level, ARCH_CONVERT) + 1; + nlevels = be16_to_cpu(ifp->if_broot->bb_level) + 1; break; case XFS_BTNUM_INO: agi = XFS_BUF_TO_AGI(agbp); - nlevels = INT_GET(agi->agi_level, ARCH_CONVERT); + nlevels = be32_to_cpu(agi->agi_level); break; default: ASSERT(0); @@ -683,9 +667,9 @@ xfs_btree_islastblock( block = xfs_btree_get_block(cur, level, &bp); xfs_btree_check_block(cur, block, level, bp); if (XFS_BTREE_LONG_PTRS(cur->bc_btnum)) - return INT_GET(block->bb_u.l.bb_rightsib, ARCH_CONVERT) == NULLDFSBNO; + return be64_to_cpu(block->bb_u.l.bb_rightsib) == NULLDFSBNO; else - return INT_GET(block->bb_u.s.bb_rightsib, ARCH_CONVERT) == NULLAGBLOCK; + return be32_to_cpu(block->bb_u.s.bb_rightsib) == NULLAGBLOCK; } /* @@ -713,7 +697,7 @@ xfs_btree_lastrec( /* * Set the ptr value to numrecs, that's the last record/key. */ - cur->bc_ptrs[level] = INT_GET(block->bb_h.bb_numrecs, ARCH_CONVERT); + cur->bc_ptrs[level] = be16_to_cpu(block->bb_h.bb_numrecs); return 1; } @@ -883,38 +867,38 @@ xfs_btree_readahead_core( case XFS_BTNUM_BNO: case XFS_BTNUM_CNT: a = XFS_BUF_TO_ALLOC_BLOCK(cur->bc_bufs[lev]); - if ((lr & XFS_BTCUR_LEFTRA) && INT_GET(a->bb_leftsib, ARCH_CONVERT) != NULLAGBLOCK) { + if ((lr & XFS_BTCUR_LEFTRA) && be32_to_cpu(a->bb_leftsib) != NULLAGBLOCK) { xfs_btree_reada_bufs(cur->bc_mp, cur->bc_private.a.agno, - INT_GET(a->bb_leftsib, ARCH_CONVERT), 1); + be32_to_cpu(a->bb_leftsib), 1); rval++; } - if ((lr & XFS_BTCUR_RIGHTRA) && INT_GET(a->bb_rightsib, ARCH_CONVERT) != NULLAGBLOCK) { + if ((lr & XFS_BTCUR_RIGHTRA) && be32_to_cpu(a->bb_rightsib) != NULLAGBLOCK) { xfs_btree_reada_bufs(cur->bc_mp, cur->bc_private.a.agno, - INT_GET(a->bb_rightsib, ARCH_CONVERT), 1); + be32_to_cpu(a->bb_rightsib), 1); rval++; } break; case XFS_BTNUM_BMAP: b = XFS_BUF_TO_BMBT_BLOCK(cur->bc_bufs[lev]); - if ((lr & XFS_BTCUR_LEFTRA) && INT_GET(b->bb_leftsib, ARCH_CONVERT) != NULLDFSBNO) { - xfs_btree_reada_bufl(cur->bc_mp, INT_GET(b->bb_leftsib, ARCH_CONVERT), 1); + if ((lr & XFS_BTCUR_LEFTRA) && be64_to_cpu(b->bb_leftsib) != NULLDFSBNO) { + xfs_btree_reada_bufl(cur->bc_mp, be64_to_cpu(b->bb_leftsib), 1); rval++; } - if ((lr & XFS_BTCUR_RIGHTRA) && INT_GET(b->bb_rightsib, ARCH_CONVERT) != NULLDFSBNO) { - xfs_btree_reada_bufl(cur->bc_mp, INT_GET(b->bb_rightsib, ARCH_CONVERT), 1); + if ((lr & XFS_BTCUR_RIGHTRA) && be64_to_cpu(b->bb_rightsib) != NULLDFSBNO) { + xfs_btree_reada_bufl(cur->bc_mp, be64_to_cpu(b->bb_rightsib), 1); rval++; } break; case XFS_BTNUM_INO: i = XFS_BUF_TO_INOBT_BLOCK(cur->bc_bufs[lev]); - if ((lr & XFS_BTCUR_LEFTRA) && INT_GET(i->bb_leftsib, ARCH_CONVERT) != NULLAGBLOCK) { + if ((lr & XFS_BTCUR_LEFTRA) && be32_to_cpu(i->bb_leftsib) != NULLAGBLOCK) { xfs_btree_reada_bufs(cur->bc_mp, cur->bc_private.i.agno, - INT_GET(i->bb_leftsib, ARCH_CONVERT), 1); + be32_to_cpu(i->bb_leftsib), 1); rval++; } - if ((lr & XFS_BTCUR_RIGHTRA) && INT_GET(i->bb_rightsib, ARCH_CONVERT) != NULLAGBLOCK) { + if ((lr & XFS_BTCUR_RIGHTRA) && be32_to_cpu(i->bb_rightsib) != NULLAGBLOCK) { xfs_btree_reada_bufs(cur->bc_mp, cur->bc_private.i.agno, - INT_GET(i->bb_rightsib, ARCH_CONVERT), 1); + be32_to_cpu(i->bb_rightsib), 1); rval++; } break; @@ -946,14 +930,14 @@ xfs_btree_setbuf( return; b = XFS_BUF_TO_BLOCK(bp); if (XFS_BTREE_LONG_PTRS(cur->bc_btnum)) { - if (INT_GET(b->bb_u.l.bb_leftsib, ARCH_CONVERT) == NULLDFSBNO) + if (be64_to_cpu(b->bb_u.l.bb_leftsib) == NULLDFSBNO) cur->bc_ra[lev] |= XFS_BTCUR_LEFTRA; - if (INT_GET(b->bb_u.l.bb_rightsib, ARCH_CONVERT) == NULLDFSBNO) + if (be64_to_cpu(b->bb_u.l.bb_rightsib) == NULLDFSBNO) cur->bc_ra[lev] |= XFS_BTCUR_RIGHTRA; } else { - if (INT_GET(b->bb_u.s.bb_leftsib, ARCH_CONVERT) == NULLAGBLOCK) + if (be32_to_cpu(b->bb_u.s.bb_leftsib) == NULLAGBLOCK) cur->bc_ra[lev] |= XFS_BTCUR_LEFTRA; - if (INT_GET(b->bb_u.s.bb_rightsib, ARCH_CONVERT) == NULLAGBLOCK) + if (be32_to_cpu(b->bb_u.s.bb_rightsib) == NULLAGBLOCK) cur->bc_ra[lev] |= XFS_BTCUR_RIGHTRA; } } |