On Tue, Jun 22, 2010 at 01:30:54PM +0300, Amir Goldstein wrote: > My on-disk format change request is to re-assign a ro_compat feature > for IS_SNAPSHOT (currently in s_flags). OK, so in addition to: #define EXT4_FEATURE_RO_COMPAT_HAS_SNAPSHOT 0x0080 You would also like: #define EXT4_FEATURE_RO_COMPAT_IS_SNAPSHOT 0x0100 which is a feature flag that the kernel will never support, since this is a hint that snapshot should only be mounted read-only, correct? - Ted -- 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