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authorChristof Schmitt <christof.schmitt@de.ibm.com>2010-02-17 11:18:54 +0100
committerJames Bottomley <James.Bottomley@suse.de>2010-02-17 17:46:27 -0600
commitd21e9daa63e009ce5b87bbcaa6d11ce48e07bbbe (patch)
treee09b0f6c6e6016ad0a425afe0a7e10b89c3138ac /drivers/s390/scsi/zfcp_dbf.h
parent22ed130719987d1081831dc1481160b216224ffd (diff)
downloadlinux-d21e9daa63e009ce5b87bbcaa6d11ce48e07bbbe.tar.bz2
[SCSI] zfcp: Dont use 0 to indicate invalid LUN in rec trace
0 is a valid value for a LUN. It is slightly confusing to also see 0 in the trace entries relating to adapter and port. Change this to use 0xFFFFFFFFFFFFFFFF in the LUN field when the trace entry does not relate to a LUN or unit. Reviewed-by: Swen Schillig <swen@vnet.ibm.com> Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/s390/scsi/zfcp_dbf.h')
-rw-r--r--drivers/s390/scsi/zfcp_dbf.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/s390/scsi/zfcp_dbf.h b/drivers/s390/scsi/zfcp_dbf.h
index e4b5317fe902..ca841ee44c15 100644
--- a/drivers/s390/scsi/zfcp_dbf.h
+++ b/drivers/s390/scsi/zfcp_dbf.h
@@ -30,6 +30,8 @@
#define ZFCP_DBF_TAG_SIZE 4
#define ZFCP_DBF_ID_SIZE 7
+#define ZFCP_DBF_INVALID_LUN 0xFFFFFFFFFFFFFFFFull
+
struct zfcp_dbf_dump {
u8 tag[ZFCP_DBF_TAG_SIZE];
u32 total_size; /* size of total dump data */