Re: [Qemu-devel] [PATCH V5_resend 0/7] nvdimm: support MAP_SYNC for memory-backend-file

2018-11-25 Thread Yi Zhang
Ping for any review/comments Thanks Yi On 2018-11-20 at 15:47:58 +0800, Zhang Yi wrote: > Linux 4.15 introduces a new mmap flag MAP_SYNC, which can be used to > guarantee the write persistence to mmap'ed files supporting DAX (e.g., > files on ext4/xfs file system mounted with '-o dax'). > > A

[Qemu-devel] [PATCH V5_resend 0/7] nvdimm: support MAP_SYNC for memory-backend-file

2018-11-19 Thread Zhang Yi
Linux 4.15 introduces a new mmap flag MAP_SYNC, which can be used to guarantee the write persistence to mmap'ed files supporting DAX (e.g., files on ext4/xfs file system mounted with '-o dax'). A description of MAP_SYNC and MAP_SHARED_VALIDATE can be found at