O_DSYNC          2273 include/linux/fs.h 	if (!(file->f_flags & O_DSYNC) && !IS_SYNC(file->f_mapping->host))
O_DSYNC            40 include/uapi/asm-generic/fcntl.h #ifndef O_DSYNC
O_DSYNC            80 include/uapi/asm-generic/fcntl.h #define O_SYNC		(__O_SYNC|O_DSYNC)