diff options
author | Christoph Hellwig <hch@sgi.com> | 2005-11-02 15:11:25 +1100 |
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committer | Nathan Scott <nathans@sgi.com> | 2005-11-02 15:11:25 +1100 |
commit | 16259e7d952e26e949cc2c8c68b74f34b293935d (patch) | |
tree | a016791ecb67761236d32b9915efa9a92f6f3767 /fs/xfs/xfs_btree.c | |
parent | e2ed81fbbb7c76e0a1b3e2f1b5a7414f4d66a559 (diff) | |
download | lwn-16259e7d952e26e949cc2c8c68b74f34b293935d.tar.gz lwn-16259e7d952e26e949cc2c8c68b74f34b293935d.zip |
[XFS] Endianess annotations for various allocator data structures
SGI-PV: 943272
SGI-Modid: xfs-linux:xfs-kern:201006a
Signed-off-by: Christoph Hellwig <hch@sgi.com>
Signed-off-by: Nathan Scott <nathans@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_btree.c')
-rw-r--r-- | fs/xfs/xfs_btree.c | 104 |
1 files changed, 54 insertions, 50 deletions
diff --git a/fs/xfs/xfs_btree.c b/fs/xfs/xfs_btree.c index 9de5a1f312c0..52d5d095fc35 100644 --- a/fs/xfs/xfs_btree.c +++ b/fs/xfs/xfs_btree.c @@ -90,11 +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; @@ -140,7 +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: { @@ -149,9 +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: { @@ -194,16 +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) @@ -251,8 +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: { @@ -261,9 +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: { @@ -311,17 +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, @@ -352,7 +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; } @@ -591,15 +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); @@ -663,9 +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; } /* @@ -693,7 +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; } @@ -863,38 +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; @@ -926,14 +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; } } |