[XFS] add keys_inorder and recs_inorder btree methods
Add methods to check whether two keys/records are in the righ order. This
replaces the xfs_btree_check_key and xfs_btree_check_rec methods. For the
callers from xfs_bmap.c just opencode the bmbt-specific asserts.
SGI-PV: 985583
SGI-Modid: xfs-linux-melb:xfs-kern:32208a
Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Signed-off-by: Bill O'Donnell <billodo@sgi.com>
Signed-off-by: David Chinner <david@fromorbit.com>
diff --git a/fs/xfs/xfs_alloc_btree.c b/fs/xfs/xfs_alloc_btree.c
index 4d44f03..9e63f8c 100644
--- a/fs/xfs/xfs_alloc_btree.c
+++ b/fs/xfs/xfs_alloc_btree.c
@@ -311,6 +311,45 @@
return 0;
}
+#ifdef DEBUG
+STATIC int
+xfs_allocbt_keys_inorder(
+ struct xfs_btree_cur *cur,
+ union xfs_btree_key *k1,
+ union xfs_btree_key *k2)
+{
+ if (cur->bc_btnum == XFS_BTNUM_BNO) {
+ return be32_to_cpu(k1->alloc.ar_startblock) <
+ be32_to_cpu(k2->alloc.ar_startblock);
+ } else {
+ return be32_to_cpu(k1->alloc.ar_blockcount) <
+ be32_to_cpu(k2->alloc.ar_blockcount) ||
+ (k1->alloc.ar_blockcount == k2->alloc.ar_blockcount &&
+ be32_to_cpu(k1->alloc.ar_startblock) <
+ be32_to_cpu(k2->alloc.ar_startblock));
+ }
+}
+
+STATIC int
+xfs_allocbt_recs_inorder(
+ struct xfs_btree_cur *cur,
+ union xfs_btree_rec *r1,
+ union xfs_btree_rec *r2)
+{
+ if (cur->bc_btnum == XFS_BTNUM_BNO) {
+ return be32_to_cpu(r1->alloc.ar_startblock) +
+ be32_to_cpu(r1->alloc.ar_blockcount) <=
+ be32_to_cpu(r2->alloc.ar_startblock);
+ } else {
+ return be32_to_cpu(r1->alloc.ar_blockcount) <
+ be32_to_cpu(r2->alloc.ar_blockcount) ||
+ (r1->alloc.ar_blockcount == r2->alloc.ar_blockcount &&
+ be32_to_cpu(r1->alloc.ar_startblock) <
+ be32_to_cpu(r2->alloc.ar_startblock));
+ }
+}
+#endif /* DEBUG */
+
#ifdef XFS_BTREE_TRACE
ktrace_t *xfs_allocbt_trace_buf;
@@ -395,6 +434,11 @@
.init_ptr_from_cur = xfs_allocbt_init_ptr_from_cur,
.key_diff = xfs_allocbt_key_diff,
+#ifdef DEBUG
+ .keys_inorder = xfs_allocbt_keys_inorder,
+ .recs_inorder = xfs_allocbt_recs_inorder,
+#endif
+
#ifdef XFS_BTREE_TRACE
.trace_enter = xfs_allocbt_trace_enter,
.trace_cursor = xfs_allocbt_trace_cursor,
diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c
index 5cceb8d..b7f99d7 100644
--- a/fs/xfs/xfs_bmap.c
+++ b/fs/xfs/xfs_bmap.c
@@ -6195,7 +6195,8 @@
}
if (prevp) {
- xfs_btree_check_key(XFS_BTNUM_BMAP, prevp, keyp);
+ ASSERT(be64_to_cpu(prevp->br_startoff) <
+ be64_to_cpu(keyp->br_startoff));
}
prevp = keyp;
@@ -6338,11 +6339,15 @@
ep = XFS_BTREE_REC_ADDR(xfs_bmbt, block, 1);
if (i) {
- xfs_btree_check_rec(XFS_BTNUM_BMAP, &last, ep);
+ ASSERT(xfs_bmbt_disk_get_startoff(&last) +
+ xfs_bmbt_disk_get_blockcount(&last) <=
+ xfs_bmbt_disk_get_startoff(ep));
}
for (j = 1; j < num_recs; j++) {
nextp = XFS_BTREE_REC_ADDR(xfs_bmbt, block, j + 1);
- xfs_btree_check_rec(XFS_BTNUM_BMAP, ep, nextp);
+ ASSERT(xfs_bmbt_disk_get_startoff(ep) +
+ xfs_bmbt_disk_get_blockcount(ep) <=
+ xfs_bmbt_disk_get_startoff(nextp));
ep = nextp;
}
diff --git a/fs/xfs/xfs_bmap_btree.c b/fs/xfs/xfs_bmap_btree.c
index 7a02d39..c5eeb32 100644
--- a/fs/xfs/xfs_bmap_btree.c
+++ b/fs/xfs/xfs_bmap_btree.c
@@ -699,6 +699,29 @@
cur->bc_rec.b.br_startoff;
}
+#ifdef DEBUG
+STATIC int
+xfs_bmbt_keys_inorder(
+ struct xfs_btree_cur *cur,
+ union xfs_btree_key *k1,
+ union xfs_btree_key *k2)
+{
+ return be64_to_cpu(k1->bmbt.br_startoff) <
+ be64_to_cpu(k2->bmbt.br_startoff);
+}
+
+STATIC int
+xfs_bmbt_recs_inorder(
+ struct xfs_btree_cur *cur,
+ union xfs_btree_rec *r1,
+ union xfs_btree_rec *r2)
+{
+ return xfs_bmbt_disk_get_startoff(&r1->bmbt) +
+ xfs_bmbt_disk_get_blockcount(&r1->bmbt) <=
+ xfs_bmbt_disk_get_startoff(&r2->bmbt);
+}
+#endif /* DEBUG */
+
#ifdef XFS_BTREE_TRACE
ktrace_t *xfs_bmbt_trace_buf;
@@ -801,6 +824,11 @@
.init_ptr_from_cur = xfs_bmbt_init_ptr_from_cur,
.key_diff = xfs_bmbt_key_diff,
+#ifdef DEBUG
+ .keys_inorder = xfs_bmbt_keys_inorder,
+ .recs_inorder = xfs_bmbt_recs_inorder,
+#endif
+
#ifdef XFS_BTREE_TRACE
.trace_enter = xfs_bmbt_trace_enter,
.trace_cursor = xfs_bmbt_trace_cursor,
diff --git a/fs/xfs/xfs_btree.c b/fs/xfs/xfs_btree.c
index 88eb00b..d667d30 100644
--- a/fs/xfs/xfs_btree.c
+++ b/fs/xfs/xfs_btree.c
@@ -52,122 +52,6 @@
XFS_ABTB_MAGIC, XFS_ABTC_MAGIC, XFS_BMAP_MAGIC, XFS_IBT_MAGIC
};
-/*
- * External routines.
- */
-
-#ifdef DEBUG
-/*
- * Debug routine: check that keys are in the right order.
- */
-void
-xfs_btree_check_key(
- xfs_btnum_t btnum, /* btree identifier */
- void *ak1, /* pointer to left (lower) key */
- void *ak2) /* pointer to right (higher) key */
-{
- switch (btnum) {
- case XFS_BTNUM_BNO: {
- xfs_alloc_key_t *k1;
- xfs_alloc_key_t *k2;
-
- k1 = ak1;
- k2 = ak2;
- ASSERT(be32_to_cpu(k1->ar_startblock) < be32_to_cpu(k2->ar_startblock));
- break;
- }
- case XFS_BTNUM_CNT: {
- xfs_alloc_key_t *k1;
- xfs_alloc_key_t *k2;
-
- k1 = ak1;
- k2 = ak2;
- 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: {
- xfs_bmbt_key_t *k1;
- xfs_bmbt_key_t *k2;
-
- k1 = ak1;
- k2 = ak2;
- ASSERT(be64_to_cpu(k1->br_startoff) < be64_to_cpu(k2->br_startoff));
- break;
- }
- case XFS_BTNUM_INO: {
- xfs_inobt_key_t *k1;
- xfs_inobt_key_t *k2;
-
- k1 = ak1;
- k2 = ak2;
- ASSERT(be32_to_cpu(k1->ir_startino) < be32_to_cpu(k2->ir_startino));
- break;
- }
- default:
- ASSERT(0);
- }
-}
-
-/*
- * Debug routine: check that records are in the right order.
- */
-void
-xfs_btree_check_rec(
- xfs_btnum_t btnum, /* btree identifier */
- void *ar1, /* pointer to left (lower) record */
- void *ar2) /* pointer to right (higher) record */
-{
- switch (btnum) {
- case XFS_BTNUM_BNO: {
- xfs_alloc_rec_t *r1;
- xfs_alloc_rec_t *r2;
-
- r1 = ar1;
- r2 = ar2;
- ASSERT(be32_to_cpu(r1->ar_startblock) +
- be32_to_cpu(r1->ar_blockcount) <=
- be32_to_cpu(r2->ar_startblock));
- break;
- }
- case XFS_BTNUM_CNT: {
- xfs_alloc_rec_t *r1;
- xfs_alloc_rec_t *r2;
-
- r1 = ar1;
- r2 = ar2;
- 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: {
- xfs_bmbt_rec_t *r1;
- xfs_bmbt_rec_t *r2;
-
- r1 = ar1;
- r2 = ar2;
- ASSERT(xfs_bmbt_disk_get_startoff(r1) +
- xfs_bmbt_disk_get_blockcount(r1) <=
- xfs_bmbt_disk_get_startoff(r2));
- break;
- }
- case XFS_BTNUM_INO: {
- xfs_inobt_rec_t *r1;
- xfs_inobt_rec_t *r2;
-
- r1 = ar1;
- r2 = ar2;
- ASSERT(be32_to_cpu(r1->ir_startino) + XFS_INODES_PER_CHUNK <=
- be32_to_cpu(r2->ir_startino));
- break;
- }
- default:
- ASSERT(0);
- }
-}
-#endif /* DEBUG */
int /* error (0 or EFSCORRUPTED) */
xfs_btree_check_lblock(
@@ -2032,9 +1916,8 @@
xfs_btree_log_keys(cur, lbp, lrecs, lrecs);
xfs_btree_log_ptrs(cur, lbp, lrecs, lrecs);
- xfs_btree_check_key(cur->bc_btnum,
- xfs_btree_key_addr(cur, lrecs - 1, left),
- lkp);
+ ASSERT(cur->bc_ops->keys_inorder(cur,
+ xfs_btree_key_addr(cur, lrecs - 1, left), lkp));
} else {
/* It's a leaf. Move records. */
union xfs_btree_rec *lrp; /* left record pointer */
@@ -2045,9 +1928,8 @@
xfs_btree_copy_recs(cur, lrp, rrp, 1);
xfs_btree_log_recs(cur, lbp, lrecs, lrecs);
- xfs_btree_check_rec(cur->bc_btnum,
- xfs_btree_rec_addr(cur, lrecs - 1, left),
- lrp);
+ ASSERT(cur->bc_ops->recs_inorder(cur,
+ xfs_btree_rec_addr(cur, lrecs - 1, left), lrp));
}
xfs_btree_set_numrecs(left, lrecs);
@@ -2222,8 +2104,8 @@
xfs_btree_log_keys(cur, rbp, 1, rrecs + 1);
xfs_btree_log_ptrs(cur, rbp, 1, rrecs + 1);
- xfs_btree_check_key(cur->bc_btnum, rkp,
- xfs_btree_key_addr(cur, 2, right));
+ ASSERT(cur->bc_ops->keys_inorder(cur, rkp,
+ xfs_btree_key_addr(cur, 2, right)));
} else {
/* It's a leaf. make a hole in the records */
union xfs_btree_rec *lrp;
@@ -2241,8 +2123,8 @@
cur->bc_ops->init_key_from_rec(&key, rrp);
rkp = &key;
- xfs_btree_check_rec(cur->bc_btnum, rrp,
- xfs_btree_rec_addr(cur, 2, right));
+ ASSERT(cur->bc_ops->recs_inorder(cur, rrp,
+ xfs_btree_rec_addr(cur, 2, right)));
}
/*
@@ -2849,11 +2731,11 @@
/* Check that the new entry is being inserted in the right place. */
if (ptr <= numrecs) {
if (level == 0) {
- xfs_btree_check_rec(cur->bc_btnum, recp,
- xfs_btree_rec_addr(cur, ptr, block));
+ ASSERT(cur->bc_ops->recs_inorder(cur, recp,
+ xfs_btree_rec_addr(cur, ptr, block)));
} else {
- xfs_btree_check_key(cur->bc_btnum, &key,
- xfs_btree_key_addr(cur, ptr, block));
+ ASSERT(cur->bc_ops->keys_inorder(cur, &key,
+ xfs_btree_key_addr(cur, ptr, block)));
}
}
#endif
@@ -2923,8 +2805,8 @@
xfs_btree_log_keys(cur, bp, ptr, numrecs);
#ifdef DEBUG
if (ptr < numrecs) {
- xfs_btree_check_key(cur->bc_btnum, kp,
- xfs_btree_key_addr(cur, ptr + 1, block));
+ ASSERT(cur->bc_ops->keys_inorder(cur, kp,
+ xfs_btree_key_addr(cur, ptr + 1, block)));
}
#endif
} else {
@@ -2941,8 +2823,8 @@
xfs_btree_log_recs(cur, bp, ptr, numrecs);
#ifdef DEBUG
if (ptr < numrecs) {
- xfs_btree_check_rec(cur->bc_btnum, rp,
- xfs_btree_rec_addr(cur, ptr + 1, block));
+ ASSERT(cur->bc_ops->recs_inorder(cur, rp,
+ xfs_btree_rec_addr(cur, ptr + 1, block)));
}
#endif
}
diff --git a/fs/xfs/xfs_btree.h b/fs/xfs/xfs_btree.h
index d6cc71e..25a488d 100644
--- a/fs/xfs/xfs_btree.h
+++ b/fs/xfs/xfs_btree.h
@@ -229,6 +229,18 @@
__int64_t (*key_diff)(struct xfs_btree_cur *cur,
union xfs_btree_key *key);
+#ifdef DEBUG
+ /* check that k1 is lower than k2 */
+ int (*keys_inorder)(struct xfs_btree_cur *cur,
+ union xfs_btree_key *k1,
+ union xfs_btree_key *k2);
+
+ /* check that r1 is lower than r2 */
+ int (*recs_inorder)(struct xfs_btree_cur *cur,
+ union xfs_btree_rec *r1,
+ union xfs_btree_rec *r2);
+#endif
+
/* btree tracing */
#ifdef XFS_BTREE_TRACE
void (*trace_enter)(struct xfs_btree_cur *, const char *,
@@ -379,30 +391,6 @@
int index, /* offset from ptr to check */
int level); /* btree block level */
-#ifdef DEBUG
-
-/*
- * Debug routine: check that keys are in the right order.
- */
-void
-xfs_btree_check_key(
- xfs_btnum_t btnum, /* btree identifier */
- void *ak1, /* pointer to left (lower) key */
- void *ak2); /* pointer to right (higher) key */
-
-/*
- * Debug routine: check that records are in the right order.
- */
-void
-xfs_btree_check_rec(
- xfs_btnum_t btnum, /* btree identifier */
- void *ar1, /* pointer to left (lower) record */
- void *ar2); /* pointer to right (higher) record */
-#else
-#define xfs_btree_check_key(a, b, c)
-#define xfs_btree_check_rec(a, b, c)
-#endif /* DEBUG */
-
/*
* Delete the btree cursor.
*/
diff --git a/fs/xfs/xfs_ialloc_btree.c b/fs/xfs/xfs_ialloc_btree.c
index 9f4e33c..dcd4a95 100644
--- a/fs/xfs/xfs_ialloc_btree.c
+++ b/fs/xfs/xfs_ialloc_btree.c
@@ -219,6 +219,28 @@
return 0;
}
+#ifdef DEBUG
+STATIC int
+xfs_inobt_keys_inorder(
+ struct xfs_btree_cur *cur,
+ union xfs_btree_key *k1,
+ union xfs_btree_key *k2)
+{
+ return be32_to_cpu(k1->inobt.ir_startino) <
+ be32_to_cpu(k2->inobt.ir_startino);
+}
+
+STATIC int
+xfs_inobt_recs_inorder(
+ struct xfs_btree_cur *cur,
+ union xfs_btree_rec *r1,
+ union xfs_btree_rec *r2)
+{
+ return be32_to_cpu(r1->inobt.ir_startino) + XFS_INODES_PER_CHUNK <=
+ be32_to_cpu(r2->inobt.ir_startino);
+}
+#endif /* DEBUG */
+
#ifdef XFS_BTREE_TRACE
ktrace_t *xfs_inobt_trace_buf;
@@ -302,6 +324,11 @@
.init_ptr_from_cur = xfs_inobt_init_ptr_from_cur,
.key_diff = xfs_inobt_key_diff,
+#ifdef DEBUG
+ .keys_inorder = xfs_inobt_keys_inorder,
+ .recs_inorder = xfs_inobt_recs_inorder,
+#endif
+
#ifdef XFS_BTREE_TRACE
.trace_enter = xfs_inobt_trace_enter,
.trace_cursor = xfs_inobt_trace_cursor,