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authorChristoph Hellwig <hch@sgi.com>2005-11-02 15:11:25 +1100
committerNathan Scott <nathans@sgi.com>2005-11-02 15:11:25 +1100
commit16259e7d952e26e949cc2c8c68b74f34b293935d (patch)
treea016791ecb67761236d32b9915efa9a92f6f3767 /fs/xfs/xfs_btree.c
parente2ed81fbbb7c76e0a1b3e2f1b5a7414f4d66a559 (diff)
downloadlwn-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.c104
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;
}
}