#ifndef FSYNC_MODE_H #define FSYNC_MODE_H enum fsync_mode { /* fsync when it's necessary for data safety. */ FSYNC_MODE_OPTIMIZED = 0, /* never fsync (in case of a crash can lose data) */ FSYNC_MODE_NEVER, /* fsync after all writes. this is necessary with NFS to avoid write failures being delayed until file is close(). */ FSYNC_MODE_ALWAYS }; #endif