[dm-devel] [PATCH 11/28] libmultipath: add debug messages to hwentry lookup/merging code
Martin Wilck
mwilck at suse.com
Fri Jun 8 10:20:24 UTC 2018
Signed-off-by: Martin Wilck <mwilck at suse.com>
---
libmultipath/config.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/libmultipath/config.c b/libmultipath/config.c
index d2812e4a..9e2f166f 100644
--- a/libmultipath/config.c
+++ b/libmultipath/config.c
@@ -103,6 +103,16 @@ out:
return retval;
}
+static void _log_match(const char *fn, const struct hwentry *h,
+ const char *vendor, const char *product,
+ const char *revision)
+{
+ condlog(4, "%s: found match /%s:%s:%s/ for '%s:%s:%s'", fn,
+ h->vendor, h->product, h->revision,
+ vendor, product, revision);
+}
+#define log_match(h, v, p, r) _log_match(__func__, (h), (v), (p), (r))
+
struct hwentry *
find_hwe (const struct _vector *hwtable,
const char * vendor, const char * product, const char * revision)
@@ -120,6 +130,7 @@ find_hwe (const struct _vector *hwtable,
if (hwe_regmatch(tmp, vendor, product, revision))
continue;
ret = tmp;
+ log_match(tmp, vendor, product, revision);
break;
}
return ret;
@@ -457,8 +468,13 @@ restart:
hwe2->product, hwe2->revision))
continue;
/* dup */
+ log_match(hwe1, hwe2->vendor,
+ hwe2->product, hwe2->revision);
merge_hwe(hwe2, hwe1);
if (hwe_strmatch(hwe2, hwe1) == 0) {
+ condlog(4, "%s: removing hwentry %s:%s:%s",
+ __func__, hwe1->vendor, hwe1->product,
+ hwe1->revision);
vector_del_slot(hw, i);
free_hwe(hwe1);
n -= 1;
--
2.17.0
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