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authorJose Castillo <jcastillo@redhat.com>2014-01-29 17:52:45 +0100
committerMike Snitzer <snitzer@redhat.com>2014-03-27 21:56:25 +0100
commita356e42620271deb5afb6570606154d160783bba (patch)
treed6a7fcc0cc7da081ebdaf2f73bafa06b5a373b23 /drivers/md
parentdm-mpath: do not activate failed paths (diff)
downloadlinux-a356e42620271deb5afb6570606154d160783bba.tar.xz
linux-a356e42620271deb5afb6570606154d160783bba.zip
dm mpath: print more useful warnings in multipath_message()
The warning message "Unrecognised multipath message received" is displayed in two different situations in multipath_message(): when the number of arguments passed is invalid and when the string passed in argv[0] is not recognized. Make it easier to identify where the problem is by making these warnings more specific with additional context for each case. Signed-off-by: Jose Castillo <jcastillo@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'drivers/md')
-rw-r--r--drivers/md/dm-mpath.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index b1fb01efd56c..aa009e865871 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -1478,7 +1478,7 @@ static int multipath_message(struct dm_target *ti, unsigned argc, char **argv)
}
if (argc != 2) {
- DMWARN("Unrecognised multipath message received.");
+ DMWARN("Invalid multipath message arguments. Expected 2 arguments, got %d.", argc);
goto out;
}
@@ -1496,7 +1496,7 @@ static int multipath_message(struct dm_target *ti, unsigned argc, char **argv)
else if (!strcasecmp(argv[0], "fail_path"))
action = fail_path;
else {
- DMWARN("Unrecognised multipath message received.");
+ DMWARN("Unrecognised multipath message received: %s", argv[0]);
goto out;
}