Hi,
This patch adds a check for removed device in rdac checker. After volume
access inquiry returns, the checker will check the peripheral qualifier
field to see if the device is deleted/unmapped. If so, mark path as
failed.
Signed off by: Yanqing Liu <Yanqing_Liu@xxxxxxxx>
---
--- libcheckers/rdac.c.orig 2008-10-22 02:52:33.000000000 -0400
+++ libcheckers/rdac.c 2008-10-17 03:43:13.000000000 -0400
@@ -27,6 +27,7 @@
#define MSG_RDAC_UP "rdac checker reports path is up"
#define MSG_RDAC_DOWN "rdac checker reports path is down"
#define MSG_RDAC_GHOST "rdac checker reports path is ghost"
+#define MSG_RDAC_DELETED "rdac checker reports path deleted"
struct rdac_checker_context {
void * dummy;
@@ -90,7 +91,8 @@
struct volume_access_inq
{
- char dontcare0[8];
+ char qualifier;
+ char dontcare0[7];
char avtcvp;
char dontcare1[39];
};
@@ -104,6 +106,12 @@
MSG(c, MSG_RDAC_DOWN);
return PATH_DOWN;
}
+
+ if (0 != inq.qualifier) {
+ MSG(c, MSG_RDAC_DELETED);
+ return PATH_DOWN;
+ }
+
return ((inq.avtcvp & 0x1) ? PATH_UP : PATH_GHOST); }
--
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