On 11/17/2011 04:54 PM, Liu Yuan wrote: > This is an atemp to abstract store IO interface to adopt sheepdog to more > kv-stores. > > changes v3: > - use io control structure to pass internal information between interfaces. This > aims to make interface more generic and flexible. > - move fallocate() and ftruncate() into default store's open. This aims to remove > higher level code's awareness of store's internal iocb. > - rename store_write_obj_fd into do_write_obj. > - split simple store out of store.c > miss below update: for journel.c - split journel_perform() into journel_begin() and journel_end() > changes v2: > - use void pointer for private data transfer. > - open: return the return value, and the private data in the argument. > - open: use create flag for creating new file instead of posix flags. > > As is sugguested by Christoph Hellwig. Thanks! > > - read/write: use xpread/xpwrite for short rw and other conditions, but > not return SD_RES_EIO, just retrn -1 in error case as system call read/write. > > Thanks, > Yuan |