On 2017/7/18 11:45, sunqiuyang wrote: > From: Qiuyang Sun <sunqiuyang@xxxxxxxxxx> > > This patch implements Direct Access (DAX) in F2FS, including: > - a mount option to choose whether to enable DAX or not > - read/write and mmap of regular files in the DAX way > - zero-out of unaligned partial blocks in the DAX way > - garbage collection of DAX files, by mapping both old and new physical > addresses of a data page into memory and copy data between them directly > - incompatibility of DAX with inline data, atomic or volatile write, etc. > > Signed-off-by: Qiuyang Sun <sunqiuyang@xxxxxxxxxx> Reviewed-by: Chao Yu <yuchao0@xxxxxxxxxx>
