Hi, Shiyang, On 11/22/2020 4:41 PM, Shiyang Ruan wrote:
This patchset is a try to resolve the problem of tracking shared page for fsdax. Change from v1: - Intorduce ->block_lost() for block device - Support mapped device - Add 'not available' warning for realtime device in XFS - Rebased to v5.10-rc1 This patchset moves owner tracking from dax_assocaite_entry() to pmem device, by introducing an interface ->memory_failure() of struct pagemap. The interface is called by memory_failure() in mm, and implemented by pmem device. Then pmem device calls its ->block_lost() to find the filesystem which the damaged page located in, and call ->storage_lost() to track files or metadata assocaited with this page. Finally we are able to try to fix the damaged data in filesystem and do
Does that mean clearing poison? if so, would you mind to elaborate specifically which change does that?
Thanks! -jane
other necessary processing, such as killing processes who are using the files affected.