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authorMike Snitzer <snitzer@redhat.com>2018-05-18 10:39:20 -0400
committerMike Snitzer <snitzer@redhat.com>2018-06-08 09:50:15 -0400
commitb2b04e7e2d3bffd301d1769700ba013f58ca01b7 (patch)
tree50c85f43ad92c3364a2071e78060c9cbb244a4da /drivers/md
parent2a2a4c510b761e800098992cac61281c86527e5d (diff)
dm: report which conflicting type caused error during table_load()
Eases troubleshooting to know the before vs after types. Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'drivers/md')
-rw-r--r--drivers/md/dm-ioctl.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c
index 5acf77de5945..b810ea77e6b1 100644
--- a/drivers/md/dm-ioctl.c
+++ b/drivers/md/dm-ioctl.c
@@ -1344,7 +1344,8 @@ static int table_load(struct file *filp, struct dm_ioctl *param, size_t param_si
goto err_unlock_md_type;
}
} else if (!is_valid_type(dm_get_md_type(md), dm_table_get_type(t))) {
- DMWARN("can't change device type after initial table load.");
+ DMWARN("can't change device type (old=%u vs new=%u) after initial table load.",
+ dm_get_md_type(md), dm_table_get_type(t));
r = -EINVAL;
goto err_unlock_md_type;
}