[XFS] make btree tracing generic
Make the existing bmap btree tracing generic so that it applies to all
btree types.
Some fragments lifted from a patch by Dave Chinner.
SGI-PV: 985583
SGI-Modid: xfs-linux-melb:xfs-kern:32187a
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 60c121f..9c91dfc 100644
--- a/fs/xfs/xfs_alloc_btree.c
+++ b/fs/xfs/xfs_alloc_btree.c
@@ -2219,8 +2219,81 @@
cur->bc_btnum);
}
+#ifdef XFS_BTREE_TRACE
+ktrace_t *xfs_allocbt_trace_buf;
+
+STATIC void
+xfs_allocbt_trace_enter(
+ struct xfs_btree_cur *cur,
+ const char *func,
+ char *s,
+ int type,
+ int line,
+ __psunsigned_t a0,
+ __psunsigned_t a1,
+ __psunsigned_t a2,
+ __psunsigned_t a3,
+ __psunsigned_t a4,
+ __psunsigned_t a5,
+ __psunsigned_t a6,
+ __psunsigned_t a7,
+ __psunsigned_t a8,
+ __psunsigned_t a9,
+ __psunsigned_t a10)
+{
+ ktrace_enter(xfs_allocbt_trace_buf, (void *)(__psint_t)type,
+ (void *)func, (void *)s, NULL, (void *)cur,
+ (void *)a0, (void *)a1, (void *)a2, (void *)a3,
+ (void *)a4, (void *)a5, (void *)a6, (void *)a7,
+ (void *)a8, (void *)a9, (void *)a10);
+}
+
+STATIC void
+xfs_allocbt_trace_cursor(
+ struct xfs_btree_cur *cur,
+ __uint32_t *s0,
+ __uint64_t *l0,
+ __uint64_t *l1)
+{
+ *s0 = cur->bc_private.a.agno;
+ *l0 = cur->bc_rec.a.ar_startblock;
+ *l1 = cur->bc_rec.a.ar_blockcount;
+}
+
+STATIC void
+xfs_allocbt_trace_key(
+ struct xfs_btree_cur *cur,
+ union xfs_btree_key *key,
+ __uint64_t *l0,
+ __uint64_t *l1)
+{
+ *l0 = be32_to_cpu(key->alloc.ar_startblock);
+ *l1 = be32_to_cpu(key->alloc.ar_blockcount);
+}
+
+STATIC void
+xfs_allocbt_trace_record(
+ struct xfs_btree_cur *cur,
+ union xfs_btree_rec *rec,
+ __uint64_t *l0,
+ __uint64_t *l1,
+ __uint64_t *l2)
+{
+ *l0 = be32_to_cpu(rec->alloc.ar_startblock);
+ *l1 = be32_to_cpu(rec->alloc.ar_blockcount);
+ *l2 = 0;
+}
+#endif /* XFS_BTREE_TRACE */
+
static const struct xfs_btree_ops xfs_allocbt_ops = {
.dup_cursor = xfs_allocbt_dup_cursor,
+
+#ifdef XFS_BTREE_TRACE
+ .trace_enter = xfs_allocbt_trace_enter,
+ .trace_cursor = xfs_allocbt_trace_cursor,
+ .trace_key = xfs_allocbt_trace_key,
+ .trace_record = xfs_allocbt_trace_record,
+#endif
};
/*