Commit df968c4e authored by NeilBrown's avatar NeilBrown Committed by Linus Torvalds
Browse files

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

So be more explicit, and say it it is not a valid v0.90 superblock.
Signed-off-by: default avatarNeil Brown <>
Signed-off-by: default avatarAndrew Morton <>
Signed-off-by: default avatarLinus Torvalds <>
parent afd44034
......@@ -2073,9 +2073,11 @@ static mdk_rdev_t *md_import_device(dev_t newdev, int super_format, int super_mi
err = super_types[super_format].
load_super(rdev, NULL, super_minor);
if (err == -EINVAL) {
"md: %s has invalid sb, not importing!\n",
"md: %s does not have a valid v%d.%d "
"superblock, not importing!\n",
super_format, super_minor);
goto abort_free;
if (err < 0) {
......@@ -5771,7 +5773,7 @@ static void autostart_arrays(int part)
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))
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