ext4/ext4dev no longer require a journal. w/o this blkid doesn't recognize after: # mkfs.ext4 /dev/blah # tune2fs -O ^has_journal # blkid /dev/blah We still must have one ext3-incompat-feature to flag as ext4(dev) so we shouldn't ever mis-recognize it. Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxx> --- Index: e2fsprogs/lib/blkid/probe.c =================================================================== --- e2fsprogs.orig/lib/blkid/probe.c +++ e2fsprogs/lib/blkid/probe.c @@ -281,11 +281,6 @@ static int probe_ext4dev(struct blkid_pr EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) return -BLKID_ERR_PARAM; - /* ext4dev requires a journal */ - if (!(blkid_le32(es->s_feature_compat) & - EXT3_FEATURE_COMPAT_HAS_JOURNAL)) - return -BLKID_ERR_PARAM; - /* * If the filesystem is marked as OK for use by in-development * filesystem code, but ext4dev is not supported, and ext4 is, @@ -317,11 +312,6 @@ static int probe_ext4(struct blkid_probe EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) return -BLKID_ERR_PARAM; - /* ext4 requires journal */ - if (!(blkid_le32(es->s_feature_compat) & - EXT3_FEATURE_COMPAT_HAS_JOURNAL)) - return -BLKID_ERR_PARAM; - /* Ext4 has at least one feature which ext3 doesn't understand */ if (!(blkid_le32(es->s_feature_ro_compat) & EXT3_FEATURE_RO_COMPAT_UNSUPPORTED) && -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html