"Yang, Xiao/杨 晓" <yangx.jy@xxxxxxxxxxx> writes: > Hi Ross, Toshi, Jeff and others > > After reading the kernel patches[1][2][3] about dm, I think only three > types(linear, stripe and log-writes) of dm can support DAX now, right? Right. > I wonder why only three types of dm need to support DAX? Is there any > reason/history and use case? It was easy to add DAX support to those targets. Note that if a target needs to intercept I/O, then it is fundamentally incompatible with DAX. Cheers, Jeff -- dm-devel mailing list dm-devel@xxxxxxxxxx https://listman.redhat.com/mailman/listinfo/dm-devel