>>>>> "Ted" == Ted Ts'o <tytso@xxxxxxx> writes: Ted> On Tue, Apr 12, 2011 at 01:25:08PM -0400, Mark Lord wrote: >> Ted et al. >> >> I've only just noticed this, so I have no idea how long it has been this way. >> >> When I build a kernel with CONFIG_EXT4_USE_FOR_EXT23=y and boot from it, >> the ext4 root filesystem shows up as "ext2" mode, rather than "ext4". >> >> This looks very wrong to me, and quite dangerous. Ted> It's a cosemtic bug, I agree, but I'm not sure why you consider it Ted> dangerous. Ted> CONFIG_EXT4_USE_FOR_EXT23 means that ext4 registers itself as Ted> ext2 and/or ext3, if ext2 and/or ext3 are not configured into the Ted> kernel. Since the kernel tries to mount the file system as ext2, Ted> ext3, and then ext4, and uses whichever one works first. Should it instead be: CONFIG_EXT4_MASQUERADE_AS_EXT23 instead, so it's blindingly obvious what's going on here. John -- 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
