>>>>> "Jamie" == Jamie Lokier <jamie@xxxxxxxxxxxxx> writes: Jamie> Ok. So I should always traverse the sysfs tree, and only use Jamie> the leaf values, combining them at MD nodes as I see fit, and Jamie> ignoring the values you provide at MD nodes? Yes. The intent was that "sloppy" programs would use the values exported in MD/DM, and that programs that really care (i.e. mkfs.xfs via libdisk) would traverse the tree. Sloppy in this case means "programs that aren't capable of dealing with heterogeneous storage anyway". Jamie> Is there enough information in sysfs for me to combine the Jamie> values? I.e. offsets of all child disks, etc.? With MD I'd think so. Neil generally exports everything on the planet. Haven't looked at DM yet. But let me take a stab at coming up with a richer kernel interface first... -- Martin K. Petersen Oracle Linux Engineering -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
