>>>>> "Yunpeng" == Gao, Yunpeng <yunpeng.gao@xxxxxxxxx> writes: Yunpeng> So, my question is, is there any plan or discussion on Yunpeng> supporting this feature (passing data type info to low level Yunpeng> block device driver) on file system developments? Especially Yunpeng> for ext4/btrfs, since now they are very hot in Linux? Thanks. Yes, I have been working on some changes that allow us to tag bios and pass the information out to storage. These patches have been on the back burner for a while due to other commitments. But I'll dig them out and post them later. We just discussed them a couple of weeks ago at the Linux Storage Workshop. In the meantime: Can you point me to the relevant eMMC stuff so I can see how many tiers or classes we have to work with there? -- Martin K. Petersen Oracle Linux Engineering -- 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
