md: improve message about invalid superblock during autodetect
People try to use raid auto-detect with version-1 superblocks (which is not
supported) and get confused when they are told they have an invalid
superblock.
So be more explicit, and say it it is not a valid v0.90 superblock.
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 9aefc4a..3d5a6be 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -2073,9 +2073,11 @@
err = super_types[super_format].
load_super(rdev, NULL, super_minor);
if (err == -EINVAL) {
- printk(KERN_WARNING
- "md: %s has invalid sb, not importing!\n",
- bdevname(rdev->bdev,b));
+ printk(KERN_WARNING
+ "md: %s does not have a valid v%d.%d "
+ "superblock, not importing!\n",
+ bdevname(rdev->bdev,b),
+ super_format, super_minor);
goto abort_free;
}
if (err < 0) {
@@ -5771,7 +5773,7 @@
for (i = 0; i < dev_cnt; i++) {
dev_t dev = detected_devices[i];
- rdev = md_import_device(dev,0, 0);
+ rdev = md_import_device(dev,0, 90);
if (IS_ERR(rdev))
continue;