Re: [Qemu-devel] [PATCH v3 0/3] nvdimm: support MAP_SYNC for memory-backend-file

2018-01-24 Thread Haozhong Zhang
ping? On 01/17/18 16:13 +0800, Haozhong Zhang wrote: > v3 is based on Eduardo's machine-next tree. Changes of > memory-backend-file are based on my previous patches in that tree. > > > Linux 4.15 introduces a new mmap flag MAP_SYNC, which can be used to > guarantee the write persistence to mmap'

[Qemu-devel] [PATCH v3 0/3] nvdimm: support MAP_SYNC for memory-backend-file

2018-01-17 Thread Haozhong Zhang
v3 is based on Eduardo's machine-next tree. Changes of memory-backend-file are based on my previous patches in that tree. 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 mount